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PE Executable
MD5:
Size: 0 B
application/x-dosexec
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File
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
EXEa31969513ca453e781efa1d276463185AsyncRAT
Structure
Config. Field Value
Key (AES_256) Tkdib3huhuhuhuhuhuhuhuhuhuhu
Pastebin -huhuhuhu
Certificate MIIE8jhuhuhuhuhuhuhuhuhuhuhu
ServerSignature Is0vTOhuhuhuhuhuhuhuhuhuhuhu
Install fhuhuhuhu
BDOS fhuhuhuhu
Anti-VM thuhuhuhu
Install-Folder %Aphuhuhuhu
Ports 8huhuhuhu
Mutex Asynchuhuhuhuhuhuhu
Group Ahuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
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Name Value
Module Name
v12.exe
Full Name
v12.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
v12.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
v12
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
348
Main Method
System.Void Client.Program::Main()
Main IL Instruction Count
78
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()
ldnull <null>
ldftn System.Void Client.Helper.Methods::LastAct()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
callvirt System.Void System.Threading.Thread::Start()
ldsfld System.String Client.Settings::offlineKL
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_00C9: ldsfld System.String Client.Settings::clipper
ldnull <null>
ldftn System.Void Client.Helper.LimeLogger::callk()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
callvirt System.Void System.Threading.Thread::Start()
ldsfld System.String Client.Settings::clipper
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_0104: leave IL_010F
ldsfld System.Threading.ThreadStart Client.Program/<>c::<>9__1_0
dup <null>
brtrue IL_00FA: newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
pop <null>
ldsfld Client.Program/<>c Client.Program/<>c::<>9
ldftn System.Void Client.Program/<>c::<Main>b__1_0()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
dup <null>
stsfld System.Threading.ThreadStart Client.Program/<>c::<>9__1_0
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
call System.Void System.Threading.Thread::Start()
leave IL_010F: nop
pop <null>
leave IL_010F: nop
nop <null>
call System.Boolean Client.Connection.ClientSocket::get_IsConnected()
brtrue IL_0124: leave IL_012F
call System.Void Client.Connection.ClientSocket::Reconnect()
call System.Void Client.Connection.ClientSocket::InitializeClient()
leave IL_012F: ldc.i4 5000
pop <null>
leave IL_012F: ldc.i4 5000
ldc.i4 5000
call System.Void System.Threading.Thread::Sleep(System.Int32)
br.s IL_010F: nop
Module Name
v12.exe
Full Name
v12.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
v12.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
v12
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
348
Main Method
System.Void Client.Program::Main()
Main IL Instruction Count
78
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()
ldnull <null>
ldftn System.Void Client.Helper.Methods::LastAct()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
callvirt System.Void System.Threading.Thread::Start()
ldsfld System.String Client.Settings::offlineKL
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_00C9: ldsfld System.String Client.Settings::clipper
ldnull <null>
ldftn System.Void Client.Helper.LimeLogger::callk()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
callvirt System.Void System.Threading.Thread::Start()
ldsfld System.String Client.Settings::clipper
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_0104: leave IL_010F
ldsfld System.Threading.ThreadStart Client.Program/<>c::<>9__1_0
dup <null>
brtrue IL_00FA: newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
pop <null>
ldsfld Client.Program/<>c Client.Program/<>c::<>9
ldftn System.Void Client.Program/<>c::<Main>b__1_0()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
dup <null>
stsfld System.Threading.ThreadStart Client.Program/<>c::<>9__1_0
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
call System.Void System.Threading.Thread::Start()
leave IL_010F: nop
pop <null>
leave IL_010F: nop
nop <null>
call System.Boolean Client.Connection.ClientSocket::get_IsConnected()
brtrue IL_0124: leave IL_012F
call System.Void Client.Connection.ClientSocket::Reconnect()
call System.Void Client.Connection.ClientSocket::InitializeClient()
leave IL_012F: ldc.i4 5000
pop <null>
leave IL_012F: ldc.i4 5000
ldc.i4 5000
call System.Void System.Threading.Thread::Sleep(System.Int32)
br.s IL_010F: nop
Key (AES_256) MUTEXmalicious
Tkdib3huhuhuhuhuhuhuhuhuhuhu
Ports PORTmalicious
8huhuhuhu
Mutex MUTEXmalicious
Asynchuhuhuhuhuhuhu
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
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