Malicious
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PE Executable
MD5:
Size: 0 B
application/x-dosexec
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File
Type
Portable Executable 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
Very high
1 malicious · 3 files
EXE0d161fe363fdcb75c6d99489573f3384XWorm
Structure
Config. Field Value
Mutex 8Cbs4huhuhuhuhuhuhu
Hosts 82.huhuhuhu
Port 7huhuhuhu
KEY <806huhuhuhuhuhuhu
USBNM <Xwhuhuhuhu
family xhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
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Name Value
Module Name
System64.exe
Full Name
System64.exe
EntryPoint
System.Void Stub.NX6SBA7IuwhJXLkooQk7t::7tNUrBYeyOhFQa07qz0Qk()
Scope Name
System64.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
System64
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
210
Main Method
System.Void Stub.NX6SBA7IuwhJXLkooQk7t::7tNUrBYeyOhFQa07qz0Qk()
Main IL Instruction Count
54
Main IL 
ldsfld System.Int32 xFn2IlTeGsVM7adLhdC8x::nfjUkI0iLP7ImkVDOHyRq
ldc.i4 1000
mul.ovf <null>
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldsfld System.String xFn2IlTeGsVM7adLhdC8x::vbnarMVPFtsEzlc4ywgre
call System.Object Stub.CshlsKB73SDvRVKiTOyJY::s9vNemA8iQIVK0niSqQ01(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String xFn2IlTeGsVM7adLhdC8x::vbnarMVPFtsEzlc4ywgre
ldsfld System.String xFn2IlTeGsVM7adLhdC8x::Tw6VQocWB8QTogNtLg9S6
call System.Object Stub.CshlsKB73SDvRVKiTOyJY::s9vNemA8iQIVK0niSqQ01(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String xFn2IlTeGsVM7adLhdC8x::Tw6VQocWB8QTogNtLg9S6
ldsfld System.String xFn2IlTeGsVM7adLhdC8x::ESzTQG8yUiQnNAxsMoP1d
call System.Object Stub.CshlsKB73SDvRVKiTOyJY::s9vNemA8iQIVK0niSqQ01(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String xFn2IlTeGsVM7adLhdC8x::ESzTQG8yUiQnNAxsMoP1d
ldsfld System.String xFn2IlTeGsVM7adLhdC8x::13axEQ8dYzXbV663ua0Ps
call System.Object Stub.CshlsKB73SDvRVKiTOyJY::s9vNemA8iQIVK0niSqQ01(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String xFn2IlTeGsVM7adLhdC8x::13axEQ8dYzXbV663ua0Ps
ldsfld System.String xFn2IlTeGsVM7adLhdC8x::GSAyOR3TgwR7OcjGs10hi
call System.Object Stub.CshlsKB73SDvRVKiTOyJY::s9vNemA8iQIVK0niSqQ01(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String xFn2IlTeGsVM7adLhdC8x::GSAyOR3TgwR7OcjGs10hi
leave.s IL_008A: call System.Boolean Stub.CYnVPEQeS3QCG1T4gHDzq::aMadpdO3IkUgGp2PdkOMfKWQKu8HEU0w7rj3n91E7Ol7ldUIQpMW4w4BTsSIaOhzog11bDiUDKJEdvQu4zGEtWBd0JOEJdsPD()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.2 <null>
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_008A: call System.Boolean Stub.CYnVPEQeS3QCG1T4gHDzq::aMadpdO3IkUgGp2PdkOMfKWQKu8HEU0w7rj3n91E7Ol7ldUIQpMW4w4BTsSIaOhzog11bDiUDKJEdvQu4zGEtWBd0JOEJdsPD()
call System.Boolean Stub.CYnVPEQeS3QCG1T4gHDzq::aMadpdO3IkUgGp2PdkOMfKWQKu8HEU0w7rj3n91E7Ol7ldUIQpMW4w4BTsSIaOhzog11bDiUDKJEdvQu4zGEtWBd0JOEJdsPD()
brtrue.s IL_0097: call System.Void Stub.CYnVPEQeS3QCG1T4gHDzq::Mjgs5Jff6q6XqV0gP74fG4ujrY7RwEeGN7bZ41tGfzkRffYmhaDnk6MQL5pLwK5GtDSzFBTh2iCkNOVSENGozOjaFlVqL7jWJ()
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Stub.CYnVPEQeS3QCG1T4gHDzq::Mjgs5Jff6q6XqV0gP74fG4ujrY7RwEeGN7bZ41tGfzkRffYmhaDnk6MQL5pLwK5GtDSzFBTh2iCkNOVSENGozOjaFlVqL7jWJ()
ldnull <null>
ldftn System.Void Stub.NX6SBA7IuwhJXLkooQk7t::BLYSqOPFkZ9Thv8rHNMl5()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.0 <null>
ldnull <null>
ldftn System.Void Stub.NX6SBA7IuwhJXLkooQk7t::gL074g4cHuqTn0CZXy7Af()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.1 <null>
ldloc.0 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Join()
ret <null>
Module Name
System64.exe
Full Name
System64.exe
EntryPoint
System.Void Stub.NX6SBA7IuwhJXLkooQk7t::7tNUrBYeyOhFQa07qz0Qk()
Scope Name
System64.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
System64
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
210
Main Method
System.Void Stub.NX6SBA7IuwhJXLkooQk7t::7tNUrBYeyOhFQa07qz0Qk()
Main IL Instruction Count
54
Main IL 
ldsfld System.Int32 xFn2IlTeGsVM7adLhdC8x::nfjUkI0iLP7ImkVDOHyRq
ldc.i4 1000
mul.ovf <null>
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldsfld System.String xFn2IlTeGsVM7adLhdC8x::vbnarMVPFtsEzlc4ywgre
call System.Object Stub.CshlsKB73SDvRVKiTOyJY::s9vNemA8iQIVK0niSqQ01(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String xFn2IlTeGsVM7adLhdC8x::vbnarMVPFtsEzlc4ywgre
ldsfld System.String xFn2IlTeGsVM7adLhdC8x::Tw6VQocWB8QTogNtLg9S6
call System.Object Stub.CshlsKB73SDvRVKiTOyJY::s9vNemA8iQIVK0niSqQ01(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String xFn2IlTeGsVM7adLhdC8x::Tw6VQocWB8QTogNtLg9S6
ldsfld System.String xFn2IlTeGsVM7adLhdC8x::ESzTQG8yUiQnNAxsMoP1d
call System.Object Stub.CshlsKB73SDvRVKiTOyJY::s9vNemA8iQIVK0niSqQ01(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String xFn2IlTeGsVM7adLhdC8x::ESzTQG8yUiQnNAxsMoP1d
ldsfld System.String xFn2IlTeGsVM7adLhdC8x::13axEQ8dYzXbV663ua0Ps
call System.Object Stub.CshlsKB73SDvRVKiTOyJY::s9vNemA8iQIVK0niSqQ01(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String xFn2IlTeGsVM7adLhdC8x::13axEQ8dYzXbV663ua0Ps
ldsfld System.String xFn2IlTeGsVM7adLhdC8x::GSAyOR3TgwR7OcjGs10hi
call System.Object Stub.CshlsKB73SDvRVKiTOyJY::s9vNemA8iQIVK0niSqQ01(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String xFn2IlTeGsVM7adLhdC8x::GSAyOR3TgwR7OcjGs10hi
leave.s IL_008A: call System.Boolean Stub.CYnVPEQeS3QCG1T4gHDzq::aMadpdO3IkUgGp2PdkOMfKWQKu8HEU0w7rj3n91E7Ol7ldUIQpMW4w4BTsSIaOhzog11bDiUDKJEdvQu4zGEtWBd0JOEJdsPD()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.2 <null>
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_008A: call System.Boolean Stub.CYnVPEQeS3QCG1T4gHDzq::aMadpdO3IkUgGp2PdkOMfKWQKu8HEU0w7rj3n91E7Ol7ldUIQpMW4w4BTsSIaOhzog11bDiUDKJEdvQu4zGEtWBd0JOEJdsPD()
call System.Boolean Stub.CYnVPEQeS3QCG1T4gHDzq::aMadpdO3IkUgGp2PdkOMfKWQKu8HEU0w7rj3n91E7Ol7ldUIQpMW4w4BTsSIaOhzog11bDiUDKJEdvQu4zGEtWBd0JOEJdsPD()
brtrue.s IL_0097: call System.Void Stub.CYnVPEQeS3QCG1T4gHDzq::Mjgs5Jff6q6XqV0gP74fG4ujrY7RwEeGN7bZ41tGfzkRffYmhaDnk6MQL5pLwK5GtDSzFBTh2iCkNOVSENGozOjaFlVqL7jWJ()
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Stub.CYnVPEQeS3QCG1T4gHDzq::Mjgs5Jff6q6XqV0gP74fG4ujrY7RwEeGN7bZ41tGfzkRffYmhaDnk6MQL5pLwK5GtDSzFBTh2iCkNOVSENGozOjaFlVqL7jWJ()
ldnull <null>
ldftn System.Void Stub.NX6SBA7IuwhJXLkooQk7t::BLYSqOPFkZ9Thv8rHNMl5()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.0 <null>
ldnull <null>
ldftn System.Void Stub.NX6SBA7IuwhJXLkooQk7t::gL074g4cHuqTn0CZXy7Af()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.1 <null>
ldloc.0 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Join()
ret <null>
Mutex MUTEXmalicious
8Cbs4huhuhuhuhuhuhu
CnC CNCmalicious
82.huhuhuhu
Port PORTmalicious
7huhuhuhu
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