Malicious
Malicious

ceff49810f7f435b242b61c630d7d56b

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PE Executable
MD5: ceff49810f7f435b242b61c630d7d56b
Size: 646.66 KB
application/x-dosexec
Summary by MalvaGPT
Characteristics

Symbol Obfuscation Score

High

Hash
 Hash Value
MD5
ceff49810f7f435b242b61c630d7d56b
Sha1
2a43f221cb19a008b0a58478216e6599369c62a3
Sha256
99baf47b126d485495849a9e52e81bd2eb5cb4b9a1ee8ea4180a65107c31542c
Sha384
d3c80b22eed05796528da71c94f0fb903dc696bc3964c7bc853499cba2cd551e1a957132be3650be61d33e52870aff7d
Sha512
bf3b8542ed7331b908d5f6c52ad83e54343104485ac781932c71f4d2428f56e10890c2e1114bd2a60a11452caf1f8d21d79af607bd778a3533fa4c08a3537af7
SSDeep
12288:gPRb9sASjkqjVnl36ud0zR/6CtQ9PUHIG8Dl8gSD+37PWY1Y1+f7LfNaX3I/qs:gJ9ojkqjVnlqud+/2P+AlUDcPt1aKFaK
TLSH
67D4022037FD8557E1BF66B998F162006676F663A623EB4C0C8462FD4533341E9D23BA

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
ceff49810f7f435b242b61c630d7d56b
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
InvokedClient.InvokedClientApplication.resources
costura.costura.dll.compressed
costura.costura.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.costura.pdb.compressed
costura.costura.pdb
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.newtonsoft.json.dll.compressed
costura.newtonsoft.json.dll
[Authenticode]_220cad77.p7b
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.system.diagnostics.diagnosticsource.dll.compressed
costura.system.diagnostics.diagnosticsource.dll
[Authenticode]_50c89911.p7b
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.invokedcommon.dll.compressed
costura.invokedcommon.dll
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
costura.metadata
ILRepack.List
Malware Configuration - QuasarRAT config.
Config. Field
 Value
Conf. AES-Salt
BF-EB-huhuhuhuhuhuhuhuhuhuhu
Conf. AES-Key
Version
Yq/IrIhuhuhuhuhuhuhuhuhuhuhu
Port
wdN0T/huhuhuhuhuhuhuhuhuhuhu
Host
wdN0T/huhuhuhuhuhuhuhuhuhuhu
ReconnectDelay
3huhuhuhu
Key
pxElAkhuhuhuhuhuhuhuhuhuhuhu
SubDirectory
3/LKZUhuhuhuhuhuhuhuhuhuhuhu
InstallName
0huhuhuhu
Install
0huhuhuhu
Startup
Hhh8mXhuhuhuhuhuhuhuhuhuhuhu
Mutex
9/U2rThuhuhuhuhuhuhuhuhuhuhu
StartupKey
0huhuhuhu
HideFile
1huhuhuhu
EnableLogger
9CC761huhuhuhuhuhuhuhuhuhuhu
EncryptionKey
3UpT2+huhuhuhuhuhuhuhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
Unlock with Essential
Informations
Name
 Value
Info

PE Detect: PeReader OK (file layout)
Module Name

Client
Full Name

Client
EntryPoint

System.Void ꕻ旐䀝긤狆왹귝辋넅紌햚肳ꚍ鷥㪮뢖ໟ㥔::Main()
Scope Name

Client
Scope Type

ModuleDef
Kind

Windows
Runtime Version

v4.0.30319
Tables Header Version

512
WinMD Version

<null>
Assembly Name

Client
Assembly Version

0.0.0.0
Assembly Culture

<null>
Has PublicKey

False
PublicKey Token

<null>
Target Framework

.NETFramework,Version=v4.8
Total Strings

613
Main Method

System.Void ꕻ旐䀝긤狆왹귝辋넅紌햚肳ꚍ鷥㪮뢖ໟ㥔::Main()
Main IL Instruction Count

21
Main IL

call System.Boolean ꕻ旐䀝긤狆왹귝辋넅紌햚肳ꚍ鷥㪮뢖ໟ㥔::ɸ슇몷ށ搄䷔臇婢䓉䟭삧桠ᶵ榹럃껹ꞻ() pop <null> 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) ldnull <null> ldftn System.Void ꕻ旐䀝긤狆왹귝辋넅紌햚肳ꚍ鷥㪮뢖ໟ㥔::ꕉ홖୘왁깭䤊뢣臖鴰㊾涐㑗頇璩쿺(System.Object,System.Threading.ThreadExceptionEventArgs) newobj System.Void System.Threading.ThreadExceptionEventHandler::.ctor(System.Object,System.IntPtr) call System.Void System.Windows.Forms.Application::add_ThreadException(System.Threading.ThreadExceptionEventHandler) call System.AppDomain System.AppDomain::get_CurrentDomain() ldnull <null> ldftn System.Void ꕻ旐䀝긤狆왹귝辋넅紌햚肳ꚍ鷥㪮뢖ໟ㥔::૆礱ሙ⣽㤑峣ﰔ㔥좴胷쾼쯼䦯䍹༦仛(System.Object,System.UnhandledExceptionEventArgs) newobj System.Void System.UnhandledExceptionEventHandler::.ctor(System.Object,System.IntPtr) callvirt System.Void System.AppDomain::add_UnhandledException(System.UnhandledExceptionEventHandler) call System.Void System.Windows.Forms.Application::EnableVisualStyles() ldc.i4.0 <null> call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean) newobj System.Void 牋⁇큏넾뺻ᢷ掄杁쀀綏Ʇ꒵䖻嘼쩯첞烔匐買::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Module Name

Client
Full Name

Client
EntryPoint

System.Void ꕻ旐䀝긤狆왹귝辋넅紌햚肳ꚍ鷥㪮뢖ໟ㥔::Main()
Scope Name

Client
Scope Type

ModuleDef
Kind

Windows
Runtime Version

v4.0.30319
Tables Header Version

512
WinMD Version

<null>
Assembly Name

Client
Assembly Version

0.0.0.0
Assembly Culture

<null>
Has PublicKey

False
PublicKey Token

<null>
Target Framework

.NETFramework,Version=v4.8
Total Strings

613
Main Method

System.Void ꕻ旐䀝긤狆왹귝辋넅紌햚肳ꚍ鷥㪮뢖ໟ㥔::Main()
Main IL Instruction Count

21
Main IL

call System.Boolean ꕻ旐䀝긤狆왹귝辋넅紌햚肳ꚍ鷥㪮뢖ໟ㥔::ɸ슇몷ށ搄䷔臇婢䓉䟭삧桠ᶵ榹럃껹ꞻ() pop <null> 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) ldnull <null> ldftn System.Void ꕻ旐䀝긤狆왹귝辋넅紌햚肳ꚍ鷥㪮뢖ໟ㥔::ꕉ홖୘왁깭䤊뢣臖鴰㊾涐㑗頇璩쿺(System.Object,System.Threading.ThreadExceptionEventArgs) newobj System.Void System.Threading.ThreadExceptionEventHandler::.ctor(System.Object,System.IntPtr) call System.Void System.Windows.Forms.Application::add_ThreadException(System.Threading.ThreadExceptionEventHandler) call System.AppDomain System.AppDomain::get_CurrentDomain() ldnull <null> ldftn System.Void ꕻ旐䀝긤狆왹귝辋넅紌햚肳ꚍ鷥㪮뢖ໟ㥔::૆礱ሙ⣽㤑峣ﰔ㔥좴胷쾼쯼䦯䍹༦仛(System.Object,System.UnhandledExceptionEventArgs) newobj System.Void System.UnhandledExceptionEventHandler::.ctor(System.Object,System.IntPtr) callvirt System.Void System.AppDomain::add_UnhandledException(System.UnhandledExceptionEventHandler) call System.Void System.Windows.Forms.Application::EnableVisualStyles() ldc.i4.0 <null> call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean) newobj System.Void 牋⁇큏넾뺻ᢷ掄杁쀀綏Ʇ꒵䖻嘼쩯첞烔匐買::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Artefacts
Name
 Value
CnC
wdN0T/huhuhuhuhuhuhuhuhuhuhu
Port
wdN0T/huhuhuhuhuhuhuhuhuhuhu
Full artefact values (URLs, paths, registry keys…) are available with Essential.
Unlock with Essential
ceff49810f7f435b242b61c630d7d56b (646.66 KB)
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