Malicious
Malicious
Infection Chain
Summary by MalvaGPT
Characteristics

Symbol Obfuscation Score

Medium

Hash
 Hash Value
MD5
8090c32b447f955e276ad8f005ea4775
Sha1
d498af82aba3f8d9be1a5df2bcd07ae5a4011883
Sha256
240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f
Sha384
2e208086816a6e541110dc510514292203506938b9d7012eabdbced40f66f71a376c43992b5ba5e0fa05883939c4b5b1
Sha512
e3880ff6cdbc91ad58c0820fe4e400aa9feb9e2d7d32c22ee2e25055b13d62763f8d5d645efcf0034879460e1d189ef7a59fc11d6ee1501461bfc9ea6929dc4d
SSDeep
49152:DqW07wRPirm2NnPTKKm77LrwCB6uan36z6:DqWjoZNn2Km77LrwkFW
TLSH
FDA5F151B3F5820AF1BF2BB9A47604590773F942AA35E74E098CA1AD1FB37408E507B7

PeID

.NET executable
Microsoft Visual C# / Basic .NET
Microsoft Visual C# / Basic.NET / MS Visual Basic 2005 - ASL
Microsoft Visual C# v7.0 / Basic .NET
Microsoft Visual Studio .NET
File Structure
8090c32b447f955e276ad8f005ea4775
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
.Net Resources
Shadow.Client.FrmRemoteChat.resources
costura.aforge.dll.compressed
costura.aforge.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.aforge.video.dll.compressed
costura.aforge.video.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.aforge.video.directshow.dll.compressed
costura.aforge.video.directshow.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
AForge.Video.DirectShow.Properties.Resources.resources
camera
[NBF]root.Data
[NBF]root.Data-preview.png
AForge.Video.DirectShow.VideoCaptureDeviceForm.resources
costura.gma.system.mousekeyhook.dll.compressed
costura.gma.system.mousekeyhook.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.naudio.core.dll.compressed
costura.naudio.core.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.naudio.wasapi.dll.compressed
costura.naudio.wasapi.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.naudio.winforms.dll.compressed
costura.naudio.winforms.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
NAudio.WinForms.Gui.PanSlider.resources
$this.DefaultModifiers
$this.GridSize
$this.Language
NAudio.WinForms.Gui.VolumeSlider.resources
costura.naudio.winmm.dll.compressed
costura.naudio.winmm.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.protobuf-net.dll.compressed
costura.protobuf-net.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.protobuf-net.core.dll.compressed
costura.protobuf-net.core.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.dll.compressed
costura.sharpdx.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.pdb.compressed
costura.sharpdx.pdb
costura.sharpdx.d3dcompiler.dll.compressed
costura.sharpdx.d3dcompiler.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.d3dcompiler.pdb.compressed
costura.sharpdx.d3dcompiler.pdb
costura.sharpdx.direct2d1.dll.compressed
costura.sharpdx.direct2d1.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.direct2d1.pdb.compressed
costura.sharpdx.direct2d1.pdb
costura.sharpdx.direct3d11.dll.compressed
costura.sharpdx.direct3d11.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.direct3d11.pdb.compressed
costura.sharpdx.direct3d11.pdb
costura.sharpdx.dxgi.dll.compressed
costura.sharpdx.dxgi.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.dxgi.pdb.compressed
costura.sharpdx.dxgi.pdb
costura.sharpdx.mathematics.dll.compressed
costura.sharpdx.mathematics.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.mathematics.pdb.compressed
costura.sharpdx.mathematics.pdb
costura.system.buffers.dll.compressed
costura.system.buffers.dll
[Authenticode]_8c38879e.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
FxResources.System.Buffers.SR.resources
costura.system.collections.immutable.dll.compressed
costura.system.collections.immutable.dll
[Authenticode]_16f812e0.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
FxResources.System.Collections.Immutable.SR.resources
ILLink.Substitutions.xml
costura.system.memory.dll.compressed
costura.system.memory.dll
[Authenticode]_15ab3250.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
FxResources.System.Memory.SR.resources
costura.system.numerics.vectors.dll.compressed
costura.system.numerics.vectors.dll
[Authenticode]_ae030d4d.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
FxResources.System.Numerics.Vectors.SR.resources
costura.system.runtime.compilerservices.unsafe.dll.compressed
costura.system.runtime.compilerservices.unsafe.dll
[Authenticode]_81de04f4.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.shadow.common.dll.compressed
costura.shadow.common.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.metadata
Malware Configuration - QuasarRAT config.
Config. Field
 Value
Conf. AES-Salt

BF-EB-1E-56-FB-CD-97-3B-B2-19-02-24-30-A5-78-43-00-3D-56-44-D2-1E-62-B9-D4-F1-80-E7-E6-C3-39-41
Conf. AES-Key

Version

ObjectLength
Port

ChainingModeGCM
Host

ChainingModeGCM
ReconnectDelay

AuthTagLength
Key

ChainingMode
SubDirectory

KeyDataBlob
InstallName

AES
Install

Microsoft Primitive Provider
Startup

1
Mutex

1
StartupKey

-1073700862
HideFile

Ec8lprVX96wl4/96CynH7NhNxYR0rU9jgY6iz1JKDZfm1dLpiLas4sc+86QnevjG0Ocy1FggslBkzOY2+StjNQ==
EnableLogger

Z7fC0bQBYrzWTC1zhy38NDIhnFMghJ0/QfH96mo/wa6hZqHJ7lPpC3ihW7GPW2kpVlI+xuNappq7omU5btRbbP6XR1ysYga0uxXJXfLANTM=
EncryptionKey

3000
Informations
Name
 Value
Info

PE Detect: PeReader OK (file layout)
Info

PDB Path: ?
Module Name

Client.exe
Full Name

Client.exe
EntryPoint

System.Void krntjnqxudpjebmonyai.1GCgguMpLwLtqUR7pFZY::Main(System.String[])
Scope Name

Client.exe
Scope Type

ModuleDef
Kind

Windows
Runtime Version

v4.0.30319
Tables Header Version

512
WinMD Version

<null>
Assembly Name

Client
Assembly Version

2.6.4.0
Assembly Culture

<null>
Has PublicKey

False
PublicKey Token

<null>
Target Framework

.NETFramework,Version=v4.7.2
Total Strings

2756
Main Method

System.Void krntjnqxudpjebmonyai.1GCgguMpLwLtqUR7pFZY::Main(System.String[])
Main IL Instruction Count

13
Main IL

ldc.i4 3072 call System.Void System.Net.ServicePointManager::set_SecurityProtocol(System.Net.SecurityProtocolType) ldc.i4.2 <null> call System.Void System.Windows.Forms.Application::SetUnhandledExceptionMode(System.Windows.Forms.UnhandledExceptionMode) call System.Void System.Windows.Forms.Application::EnableVisualStyles() ldc.i4.0 <null> call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean) call System.Void krntjnqxudpjebmonyai.1GCgguMpLwLtqUR7pFZY::3CjtUe5IHGkuxeEk1v5() call System.Void krntjnqxudpjebmonyai.1GCgguMpLwLtqUR7pFZY::hqcwVkzJodF1() call System.Void krntjnqxudpjebmonyai.1GCgguMpLwLtqUR7pFZY::5cd5sUx1kIKAhgZO() newobj System.Void krntjnqxudpjebmonyai.AllHv13Mvcg::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Module Name

Client.exe
Full Name

Client.exe
EntryPoint

System.Void krntjnqxudpjebmonyai.1GCgguMpLwLtqUR7pFZY::Main(System.String[])
Scope Name

Client.exe
Scope Type

ModuleDef
Kind

Windows
Runtime Version

v4.0.30319
Tables Header Version

512
WinMD Version

<null>
Assembly Name

Client
Assembly Version

2.6.4.0
Assembly Culture

<null>
Has PublicKey

False
PublicKey Token

<null>
Target Framework

.NETFramework,Version=v4.7.2
Total Strings

2756
Main Method

System.Void krntjnqxudpjebmonyai.1GCgguMpLwLtqUR7pFZY::Main(System.String[])
Main IL Instruction Count

13
Main IL

ldc.i4 3072 call System.Void System.Net.ServicePointManager::set_SecurityProtocol(System.Net.SecurityProtocolType) ldc.i4.2 <null> call System.Void System.Windows.Forms.Application::SetUnhandledExceptionMode(System.Windows.Forms.UnhandledExceptionMode) call System.Void System.Windows.Forms.Application::EnableVisualStyles() ldc.i4.0 <null> call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean) call System.Void krntjnqxudpjebmonyai.1GCgguMpLwLtqUR7pFZY::3CjtUe5IHGkuxeEk1v5() call System.Void krntjnqxudpjebmonyai.1GCgguMpLwLtqUR7pFZY::hqcwVkzJodF1() call System.Void krntjnqxudpjebmonyai.1GCgguMpLwLtqUR7pFZY::5cd5sUx1kIKAhgZO() newobj System.Void krntjnqxudpjebmonyai.AllHv13Mvcg::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Artefacts
Name
 Value
CnC

ChainingModeGCM
Port

ChainingModeGCM
8090c32b447f955e276ad8f005ea4775 (2.18 MB)
File Structure
8090c32b447f955e276ad8f005ea4775
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
.Net Resources
Shadow.Client.FrmRemoteChat.resources
costura.aforge.dll.compressed
costura.aforge.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.aforge.video.dll.compressed
costura.aforge.video.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.aforge.video.directshow.dll.compressed
costura.aforge.video.directshow.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
AForge.Video.DirectShow.Properties.Resources.resources
camera
[NBF]root.Data
[NBF]root.Data-preview.png
AForge.Video.DirectShow.VideoCaptureDeviceForm.resources
costura.gma.system.mousekeyhook.dll.compressed
costura.gma.system.mousekeyhook.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.naudio.core.dll.compressed
costura.naudio.core.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.naudio.wasapi.dll.compressed
costura.naudio.wasapi.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.naudio.winforms.dll.compressed
costura.naudio.winforms.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
NAudio.WinForms.Gui.PanSlider.resources
$this.DefaultModifiers
$this.GridSize
$this.Language
NAudio.WinForms.Gui.VolumeSlider.resources
costura.naudio.winmm.dll.compressed
costura.naudio.winmm.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.protobuf-net.dll.compressed
costura.protobuf-net.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.protobuf-net.core.dll.compressed
costura.protobuf-net.core.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.dll.compressed
costura.sharpdx.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.pdb.compressed
costura.sharpdx.pdb
costura.sharpdx.d3dcompiler.dll.compressed
costura.sharpdx.d3dcompiler.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.d3dcompiler.pdb.compressed
costura.sharpdx.d3dcompiler.pdb
costura.sharpdx.direct2d1.dll.compressed
costura.sharpdx.direct2d1.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.direct2d1.pdb.compressed
costura.sharpdx.direct2d1.pdb
costura.sharpdx.direct3d11.dll.compressed
costura.sharpdx.direct3d11.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.direct3d11.pdb.compressed
costura.sharpdx.direct3d11.pdb
costura.sharpdx.dxgi.dll.compressed
costura.sharpdx.dxgi.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.dxgi.pdb.compressed
costura.sharpdx.dxgi.pdb
costura.sharpdx.mathematics.dll.compressed
costura.sharpdx.mathematics.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.sharpdx.mathematics.pdb.compressed
costura.sharpdx.mathematics.pdb
costura.system.buffers.dll.compressed
costura.system.buffers.dll
[Authenticode]_8c38879e.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
FxResources.System.Buffers.SR.resources
costura.system.collections.immutable.dll.compressed
costura.system.collections.immutable.dll
[Authenticode]_16f812e0.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
FxResources.System.Collections.Immutable.SR.resources
ILLink.Substitutions.xml
costura.system.memory.dll.compressed
costura.system.memory.dll
[Authenticode]_15ab3250.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
FxResources.System.Memory.SR.resources
costura.system.numerics.vectors.dll.compressed
costura.system.numerics.vectors.dll
[Authenticode]_ae030d4d.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
.Net Resources
FxResources.System.Numerics.Vectors.SR.resources
costura.system.runtime.compilerservices.unsafe.dll.compressed
costura.system.runtime.compilerservices.unsafe.dll
[Authenticode]_81de04f4.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.shadow.common.dll.compressed
costura.shadow.common.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.metadata
Characteristics
Malware Configuration - QuasarRAT config.
Config. Field
 Value
Conf. AES-Salt

BF-EB-1E-56-FB-CD-97-3B-B2-19-02-24-30-A5-78-43-00-3D-56-44-D2-1E-62-B9-D4-F1-80-E7-E6-C3-39-41
Conf. AES-Key

Version

ObjectLength
Port

ChainingModeGCM
Host

ChainingModeGCM
ReconnectDelay

AuthTagLength
Key

ChainingMode
SubDirectory

KeyDataBlob
InstallName

AES
Install

Microsoft Primitive Provider
Startup

1
Mutex

1
StartupKey

-1073700862
HideFile

Ec8lprVX96wl4/96CynH7NhNxYR0rU9jgY6iz1JKDZfm1dLpiLas4sc+86QnevjG0Ocy1FggslBkzOY2+StjNQ==
EnableLogger

Z7fC0bQBYrzWTC1zhy38NDIhnFMghJ0/QfH96mo/wa6hZqHJ7lPpC3ihW7GPW2kpVlI+xuNappq7omU5btRbbP6XR1ysYga0uxXJXfLANTM=
EncryptionKey

3000
Artefacts
Name
 Value Location
CnC

ChainingModeGCM

Malicious

8090c32b447f955e276ad8f005ea4775
Port

ChainingModeGCM

Malicious

8090c32b447f955e276ad8f005ea4775
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