Malicious
Malicious

c7235b3be7873e0743aba6235cd3d677

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PE Executable
MD5: c7235b3be7873e0743aba6235cd3d677
Size: 179.71 KB
application/x-dosexec
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Symbol Obfuscation Score Low
MD5 c7235b3be7873e0743aba6235cd3d677
Sha1 2481321813caff4ded19135c86301f899fb19f66
Sha256 4902c56dfa5b513df7c00f8fe5df90dcc46a03f194dca424ebbf6f03e7904486
Sha384 a57613a10787ef8b973dd4b8ab236220b81420a02e7747cb79761e1a3e6c4c15f3c6645033e7ac074110c7169c763cbf
Sha512 7310beb111ca489fd6348d40cea921d8854d99858cb2b9dc7d8211009a8c958374832f585f2cb25962e7ed3a453ca11102b7fb47be0eff8d2a7bc2b564928860
SSDeep 3072:r+ljDT+LbaRzegOBIIj6HLLYLCYJqvc1Dvu0gRsBaV/m4IauJX9bSM2dE+rBiQ+t:UDubaBBOBIIj6HLLYLCYJqvc1D2NsBMy
TLSH CA044A1037D80929E3FF5BB4F4B002168B31F9279A17E7AF1A9555EE0D32354E921BA3
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
c7235b3be7873e0743aba6235cd3d677
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) cnRCdGhuhuhuhuhuhuhuhuhuhuhu
Pastebin -huhuhuhu
Certificate MIIE9jhuhuhuhuhuhuhuhuhuhuhu
ServerSignature eyEXLhhuhuhuhuhuhuhuhuhuhuhu
Install fhuhuhuhu
BDOS fhuhuhuhu
Anti-VM fhuhuhuhu
Install-Folder %Aphuhuhuhu
Hosts 127huhuhuhu
Ports 6606huhuhuhuhuhuhu
Mutex AsyncMhuhuhuhuhuhuhu
Delay 3huhuhuhu
Group 605huhuhuhu
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
let.exe
Full Name
let.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
let.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
let
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
.NETFramework,Version=v4.5
Total Strings
1965
Main Method
System.Void Client.Program::Main()
Main IL Instruction Count
57
Main IL 
ldc.i4.1 <null>
call System.Void System.Net.ServicePointManager::set_Expect100Continue(System.Boolean)
ldc.i4 3072
call System.Void System.Net.ServicePointManager::set_SecurityProtocol(System.Net.SecurityProtocolType)
call System.Boolean Client.Settings::InitializeSettings()
brtrue.s IL_001D: nop
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
nop <null>
call System.String Client.Program::Save()
ldc.i4.0 <null>
call System.Void Client.telegram::UploadFile(System.String,System.Boolean)
call System.Boolean Client.Helper.MutexControl::CreateMutex()
brtrue.s IL_0036: 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.s IL_0047: 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.s IL_0058: 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.s IL_0070: call System.Void Client.Helper.Methods::PreventSleep()
call System.Boolean Client.Helper.Methods::IsAdmin()
brfalse.s IL_0070: call System.Void Client.Helper.Methods::PreventSleep()
call System.Void Client.Helper.ProcessCritical::Set()
call System.Void Client.Helper.Methods::PreventSleep()
leave.s IL_007A: nop
pop <null>
leave.s IL_007A: nop
nop <null>
call System.Boolean Client.Connection.ClientSocket::get_IsConnected()
brtrue.s IL_00C8: leave.s IL_00CD
call System.Void Client.Connection.ClientSocket::Reconnect()
call System.Void Client.Connection.ClientSocket::InitializeClient()
call System.Void Client.Program::HideConsoleWindow()
call System.Void Client.Program::elevatePrevileges()
call System.Void Client.Program::installSelf()
call System.Void Client.Program::setAutorun()
call System.Void Client.Program::MeltFile()
call System.Void Client.Program::isConnectedToInternet()
ldsfld System.Threading.Thread Client.Program::processCheckerThread
callvirt System.Void System.Threading.Thread::Start()
call System.Void Client.Program::protectProcess()
call System.Void Client.Program::PreventSleep()
newobj System.Void Client.Program/MainForm::.ctor()
call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form)
leave.s IL_00CD: ldc.i4 5000
pop <null>
leave.s IL_00CD: ldc.i4 5000
ldc.i4 5000
call System.Void System.Threading.Thread::Sleep(System.Int32)
br.s IL_007A: nop
Module Name
let.exe
Full Name
let.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
let.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
let
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
.NETFramework,Version=v4.5
Total Strings
1965
Main Method
System.Void Client.Program::Main()
Main IL Instruction Count
57
Main IL 
ldc.i4.1 <null>
call System.Void System.Net.ServicePointManager::set_Expect100Continue(System.Boolean)
ldc.i4 3072
call System.Void System.Net.ServicePointManager::set_SecurityProtocol(System.Net.SecurityProtocolType)
call System.Boolean Client.Settings::InitializeSettings()
brtrue.s IL_001D: nop
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
nop <null>
call System.String Client.Program::Save()
ldc.i4.0 <null>
call System.Void Client.telegram::UploadFile(System.String,System.Boolean)
call System.Boolean Client.Helper.MutexControl::CreateMutex()
brtrue.s IL_0036: 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.s IL_0047: 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.s IL_0058: 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.s IL_0070: call System.Void Client.Helper.Methods::PreventSleep()
call System.Boolean Client.Helper.Methods::IsAdmin()
brfalse.s IL_0070: call System.Void Client.Helper.Methods::PreventSleep()
call System.Void Client.Helper.ProcessCritical::Set()
call System.Void Client.Helper.Methods::PreventSleep()
leave.s IL_007A: nop
pop <null>
leave.s IL_007A: nop
nop <null>
call System.Boolean Client.Connection.ClientSocket::get_IsConnected()
brtrue.s IL_00C8: leave.s IL_00CD
call System.Void Client.Connection.ClientSocket::Reconnect()
call System.Void Client.Connection.ClientSocket::InitializeClient()
call System.Void Client.Program::HideConsoleWindow()
call System.Void Client.Program::elevatePrevileges()
call System.Void Client.Program::installSelf()
call System.Void Client.Program::setAutorun()
call System.Void Client.Program::MeltFile()
call System.Void Client.Program::isConnectedToInternet()
ldsfld System.Threading.Thread Client.Program::processCheckerThread
callvirt System.Void System.Threading.Thread::Start()
call System.Void Client.Program::protectProcess()
call System.Void Client.Program::PreventSleep()
newobj System.Void Client.Program/MainForm::.ctor()
call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form)
leave.s IL_00CD: ldc.i4 5000
pop <null>
leave.s IL_00CD: ldc.i4 5000
ldc.i4 5000
call System.Void System.Threading.Thread::Sleep(System.Int32)
br.s IL_007A: nop
Key (AES_256) MUTEXmalicious
cnRCdGhuhuhuhuhuhuhuhuhuhuhu
CnC CNCmalicious
127huhuhuhu
Ports PORTmalicious
6huhuhuhu
Ports PORTmalicious
7huhuhuhu
Ports PORTmalicious
8huhuhuhu
Mutex MUTEXmalicious
AsyncMhuhuhuhuhuhuhu
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