Malicious
Malicious

dbf711d4a44e930c625f601007056d3f

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PE Executable
MD5: dbf711d4a44e930c625f601007056d3f
Size: 46.08 KB
application/x-dosexec
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File
Type
Portable Executable file
Size
46.08 KB · 46,080 B
Hashes
MD5 dbf711d4a44e930c625f601007056d3f Sha1 195f729943b7f5e4ce926b0b6889b3dcfb07ee09 Sha256 1a82e6aebae1050a62c1aac0f671f9350e4c76a33b45f82875f818de5ae26fd9 Sha384 3f8c502fbf2d97971c591c9565ba419ac11064c06504f21049c976d30a5b043fc83578bd48491b1cca1eca7f8f001407 Sha512 aa4dfe0f732472783477257290e095a082ce1dcaf16bef2af973fd4d2a859a1fe9ce9e67ac8fbcec0ad2ea8971426b52cf7c90f317c473e6d63ec7560eea8b63 SSDeep 768:huwpFTAY3IQWUe9jqmo2qLeO5QfCBQPiNjPISzjbwgX3iVmjsVuIBDZCx:huwpFTA4/2tO5c/iKS3b3XSVrVuudCx TLSH 37232C003BD8812BF2BE5F7898F26145467AF6633603E54E2CC451DB5713BC69A42AFE
Detection
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
Symbol obfuscation
Low
1 malicious · 3 files
EXEdbf711d4a44e930c625f601007056d3fAsyncRAT
Structure
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) SERLcjhuhuhuhuhuhuhuhuhuhuhu
Pastebin -huhuhuhu
Certificate MIIE8jhuhuhuhuhuhuhuhuhuhuhu
ServerSignature bj6KQmhuhuhuhuhuhuhuhuhuhuhu
Install thuhuhuhu
BDOS thuhuhuhu
Anti-VM thuhuhuhu
Install File svchuhuhuhu
Install-Folder %Aphuhuhuhu
Hosts tubidhuhuhuhuhuhuhu
Ports 4huhuhuhu
Mutex 0wTFhuhuhuhu
Version 0huhuhuhu
Delay 3huhuhuhu
Group Dehuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
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Name Value
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
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
Key (AES_256) MUTEXmalicious
SERLcjhuhuhuhuhuhuhuhuhuhuhu
CnC CNCmalicious
tubidhuhuhuhuhuhuhu
Ports PORTmalicious
4huhuhuhu
Mutex MUTEXmalicious
0wTFhuhuhuhu
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