Malicious
Malicious

527856018b0bf5e70be3205e4d5fa859

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PE Executable
MD5: 527856018b0bf5e70be3205e4d5fa859
Size: 46.08 KB
application/x-dosexec
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Symbol Obfuscation Score Low
MD5 527856018b0bf5e70be3205e4d5fa859
Sha1 0533e20989bd296a8a40af3265896c26e105c7f5
Sha256 2515293d974aab63382091ac7bdc575f27b7ab5470bf6fa3b9a335a5d0e9c4e6
Sha384 903f43d1ab76155c45bda64fe4fe6284d6bfffc1a2b8513aa220a1b4eb08f46805255307601ecba2f03da21c9d1c1338
Sha512 f5a50fc4b9ef211073af9de8091619377e98481474433bf729e67fa44d9d5d1f347bc16eb9238a1c4c897f4314a78983cea23d94e27ddcf9bb066212f3a9d5a4
SSDeep 768:9uISdTYEXlTWU/+qhmo2qb6O5QfCBQPiNjPISzjbwgX3io+IU75K4K5mvA8BDZXx:9uISdTYUN29O5c/iKS3b3XSo+t7VKzaz
TLSH 9C232A0037E8812BF2BE5F7899F26145867AF2633603D94E2CC451DB5713BC69642AFE
PeID
.NET executableMicrosoft Visual C# / Basic .NETMicrosoft Visual C# / Basic.NET / MS Visual Basic 2005 - ASL Microsoft Visual C# v7.0 / Basic .NETMicrosoft Visual Studio .NET
527856018b0bf5e70be3205e4d5fa859
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
STICH beta Structural Threat Infection Chain Hash

A content-independent fingerprint of the infection method: successive formats, internal objects and MITRE techniques from the initial file to each final payload.

STICH Path = the fingerprint (canonical chain with techniques) STICH Shape = structure only Only determinant branches produce STICH Paths.
Path pe:exe>pe:rsrc>bin
Shape pe:exe>pe:rsrc>bin
malicious 3 nodes
Config. Field Value
Key (AES_256) RTdBb1huhuhuhuhuhuhuhuhuhuhu
Pastebin -huhuhuhu
Certificate MIIE8jhuhuhuhuhuhuhuhuhuhuhu
ServerSignature J+k+J6huhuhuhuhuhuhuhuhuhuhu
Install thuhuhuhu
BDOS thuhuhuhu
Anti-VM thuhuhuhu
Install File Chromhuhuhuhuhuhuhu
Install-Folder %Aphuhuhuhu
Hosts fifaclhuhuhuhuhuhuhu
Ports 4huhuhuhu
Mutex IwF9huhuhuhu
Version 0huhuhuhu
Delay 3huhuhuhu
Group fifaclhuhuhuhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
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Name Value
Info
PE Detect: PeReader OK (file layout)
Module Name
svchost.exe
Full Name
svchost.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
svchost.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
svchost
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
.NETFramework,Version=v4.0,Profile=Client
Total Strings
120
Main Method
System.Void Client.Program::Main()
Main IL Instruction Count
51
Main IL 
ldc.i4.0 <null>
stloc.0 <null>
br IL_0015: ldloc.0
ldc.i4 1000
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldloc.0 <null>
ldc.i4.1 <null>
add <null>
stloc.0 <null>
ldloc.0 <null>
ldsfld System.String Client.Settings::Delay
call System.Int32 System.Convert::ToInt32(System.String)
blt.s IL_0007: ldc.i4 1000
call System.Boolean Client.Settings::InitializeSettings()
brtrue IL_0032: nop
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
nop <null>
call System.Boolean Client.Helper.MutexControl::CreateMutex()
brtrue IL_0043: ldsfld System.String Client.Settings::Anti
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
ldsfld System.String Client.Settings::Anti
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_0057: ldsfld System.String Client.Settings::Install
call System.Void Client.Helper.Anti_Analysis::RunAntiAnalysis()
ldsfld System.String Client.Settings::Install
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_006B: ldsfld System.String Client.Settings::BDOS
call System.Void Client.Install.NormalStartup::Install()
ldsfld System.String Client.Settings::BDOS
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_0089: call System.Void Client.Helper.Methods::PreventSleep()
call System.Boolean Client.Helper.Methods::IsAdmin()
brfalse IL_0089: call System.Void Client.Helper.Methods::PreventSleep()
call System.Void Client.Helper.ProcessCritical::Set()
call System.Void Client.Helper.Methods::PreventSleep()
leave IL_0099: nop
pop <null>
leave IL_0099: nop
nop <null>
call System.Boolean Client.Connection.ClientSocket::get_IsConnected()
brtrue IL_00AE: leave IL_00B9
call System.Void Client.Connection.ClientSocket::Reconnect()
call System.Void Client.Connection.ClientSocket::InitializeClient()
leave IL_00B9: ldc.i4 5000
pop <null>
leave IL_00B9: ldc.i4 5000
ldc.i4 5000
call System.Void System.Threading.Thread::Sleep(System.Int32)
br.s IL_0099: nop
Module Name
svchost.exe
Full Name
svchost.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
svchost.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
svchost
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
.NETFramework,Version=v4.0,Profile=Client
Total Strings
120
Main Method
System.Void Client.Program::Main()
Main IL Instruction Count
51
Main IL 
ldc.i4.0 <null>
stloc.0 <null>
br IL_0015: ldloc.0
ldc.i4 1000
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldloc.0 <null>
ldc.i4.1 <null>
add <null>
stloc.0 <null>
ldloc.0 <null>
ldsfld System.String Client.Settings::Delay
call System.Int32 System.Convert::ToInt32(System.String)
blt.s IL_0007: ldc.i4 1000
call System.Boolean Client.Settings::InitializeSettings()
brtrue IL_0032: nop
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
nop <null>
call System.Boolean Client.Helper.MutexControl::CreateMutex()
brtrue IL_0043: ldsfld System.String Client.Settings::Anti
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
ldsfld System.String Client.Settings::Anti
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_0057: ldsfld System.String Client.Settings::Install
call System.Void Client.Helper.Anti_Analysis::RunAntiAnalysis()
ldsfld System.String Client.Settings::Install
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_006B: ldsfld System.String Client.Settings::BDOS
call System.Void Client.Install.NormalStartup::Install()
ldsfld System.String Client.Settings::BDOS
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_0089: call System.Void Client.Helper.Methods::PreventSleep()
call System.Boolean Client.Helper.Methods::IsAdmin()
brfalse IL_0089: call System.Void Client.Helper.Methods::PreventSleep()
call System.Void Client.Helper.ProcessCritical::Set()
call System.Void Client.Helper.Methods::PreventSleep()
leave IL_0099: nop
pop <null>
leave IL_0099: nop
nop <null>
call System.Boolean Client.Connection.ClientSocket::get_IsConnected()
brtrue IL_00AE: leave IL_00B9
call System.Void Client.Connection.ClientSocket::Reconnect()
call System.Void Client.Connection.ClientSocket::InitializeClient()
leave IL_00B9: ldc.i4 5000
pop <null>
leave IL_00B9: ldc.i4 5000
ldc.i4 5000
call System.Void System.Threading.Thread::Sleep(System.Int32)
br.s IL_0099: nop
Key (AES_256) MUTEXmalicious
RTdBb1huhuhuhuhuhuhuhuhuhuhu
CnC CNCmalicious
fifaclhuhuhuhuhuhuhu
Ports PORTmalicious
4huhuhuhu
Mutex MUTEXmalicious
IwF9huhuhuhu
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