Suspicious
Suspect

Share on LinkedIn
Print
PE Executable
MD5: c4af7286b1b0c617e951e08b9f2a61e1
Size: 293.38 KB
application/x-dosexec

Get an AI-generated breakdown of this malware's behaviour, IOCs and recommendations.

AI analysis is available with Essential.
Unlock with Essential
Symbol Obfuscation Score Low
MD5 c4af7286b1b0c617e951e08b9f2a61e1
Sha1 7302bfedd368d3d7b1a32349e560eb878df205dc
Sha256 632376236b6853012301619e49a093a3d5c04d02191a4f26ecdd411979c09e29
Sha384 e129ca6ae2cfa7b749f5fb2c4209e00cdff25a61e4074ae7ebf964eb5c979c509fc22f0e97cdf14ddce7b4f92cea7b89
Sha512 04b27b7350d8ed19befb47dd7aab68cdb28f7f1b73b6ab9725426beb2f4f2589fe1e225c29a2fd1f408c5f804d564c21016124956eeae3dde89d9a4f03294435
SSDeep 6144:qvZPOGv+Aj1uoSwmJf/uIZMEJfCvAxITkW/Jz0:nGv+Y1jmqE5CIuTPR0
TLSH D954128E6FB579D3D3B7B67E3C9A518E0A3582309403C71FBE15E695A7527A20023393
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
c4af7286b1b0c617e951e08b9f2a61e1
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
Name Value
Module Name
DownloaderApp.exe
Full Name
DownloaderApp.exe
EntryPoint
System.Int32 <Module>::Main(System.String[])
Scope Name
DownloaderApp.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
DownloaderApp
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
.NETFramework,Version=v4.7.2
Total Strings
1
Main Method
System.Int32 <Module>::Main(System.String[])
Main IL Instruction Count
96
Main IL 
ldc.i4 70047
pop <null>
ldc.i4 70047
newarr System.UInt32
dup <null>
ldtoken <Module>/DataType <Module>::DataField
call System.Void System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(System.Array,System.RuntimeFieldHandle)
stloc.0 <null>
call System.Reflection.Assembly System.Reflection.Assembly::GetExecutingAssembly()
dup <null>
callvirt System.Reflection.Module System.Reflection.Assembly::get_ManifestModule()
stloc.1 <null>
ldloc.0 <null>
ldc.i4 -801608515
call System.Runtime.InteropServices.GCHandle <Module>::Decrypt(System.UInt32[],System.UInt32)
stloc.2 <null>
ldloca.s V_2
call System.Object System.Runtime.InteropServices.GCHandle::get_Target()
castclass System.Byte[]
stloc.3 <null>
ldstr koi
ldloc.3 <null>
callvirt System.Reflection.Module System.Reflection.Assembly::LoadModule(System.String,System.Byte[])
ldloc.3 <null>
ldc.i4.0 <null>
ldloc.3 <null>
ldlen <null>
conv.i4 <null>
call System.Void System.Array::Clear(System.Array,System.Int32,System.Int32)
ldloca.s V_2
call System.Void System.Runtime.InteropServices.GCHandle::Free()
ldloc.0 <null>
ldc.i4.0 <null>
ldloc.0 <null>
ldlen <null>
conv.i4 <null>
call System.Void System.Array::Clear(System.Array,System.Int32,System.Int32)
ldloc.1 <null>
ldc.i4 285212673
callvirt System.Byte[] System.Reflection.Module::ResolveSignature(System.Int32)
stsfld System.Byte[] <Module>::key
call System.AppDomain System.AppDomain::get_CurrentDomain()
ldnull <null>
ldftn System.Reflection.Assembly <Module>::Resolve(System.Object,System.ResolveEventArgs)
newobj System.Void System.ResolveEventHandler::.ctor(System.Object,System.IntPtr)
callvirt System.Void System.AppDomain::add_AssemblyResolve(System.ResolveEventHandler)
dup <null>
callvirt System.Type[] System.Reflection.Module::GetTypes()
pop <null>
ldsfld System.Byte[] <Module>::key
ldc.i4.0 <null>
ldelem.u1 <null>
ldsfld System.Byte[] <Module>::key
ldc.i4.1 <null>
ldelem.u1 <null>
ldc.i4.8 <null>
shl <null>
or <null>
ldsfld System.Byte[] <Module>::key
ldc.i4.2 <null>
ldelem.u1 <null>
ldc.i4.s 16
shl <null>
or <null>
ldsfld System.Byte[] <Module>::key
ldc.i4.3 <null>
ldelem.u1 <null>
ldc.i4.s 24
shl <null>
or <null>
callvirt System.Reflection.MethodBase System.Reflection.Module::ResolveMethod(System.Int32)
dup <null>
callvirt System.Reflection.ParameterInfo[] System.Reflection.MethodBase::GetParameters()
ldlen <null>
conv.i4 <null>
newarr System.Object
stloc.s V_4
ldloc.s V_4
ldlen <null>
brfalse.s IL_00D9: ldnull
ldloc.s V_4
ldc.i4.0 <null>
ldarg.0 <null>
stelem.ref <null>
ldnull <null>
ldloc.s V_4
callvirt System.Object System.Reflection.MethodBase::Invoke(System.Object,System.Object[])
stloc.s V_5
ldloc.s V_5
isinst System.Int32
brfalse.s IL_00F4: ldc.i4.0
ldloc.s V_5
unbox.any System.Int32
ret <null>
ldc.i4.0 <null>
ret <null>
Module Name
DownloaderApp.exe
Full Name
DownloaderApp.exe
EntryPoint
System.Int32 <Module>::Main(System.String[])
Scope Name
DownloaderApp.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
DownloaderApp
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
.NETFramework,Version=v4.7.2
Total Strings
1
Main Method
System.Int32 <Module>::Main(System.String[])
Main IL Instruction Count
96
Main IL 
ldc.i4 70047
pop <null>
ldc.i4 70047
newarr System.UInt32
dup <null>
ldtoken <Module>/DataType <Module>::DataField
call System.Void System.Runtime.CompilerServices.RuntimeHelpers::InitializeArray(System.Array,System.RuntimeFieldHandle)
stloc.0 <null>
call System.Reflection.Assembly System.Reflection.Assembly::GetExecutingAssembly()
dup <null>
callvirt System.Reflection.Module System.Reflection.Assembly::get_ManifestModule()
stloc.1 <null>
ldloc.0 <null>
ldc.i4 -801608515
call System.Runtime.InteropServices.GCHandle <Module>::Decrypt(System.UInt32[],System.UInt32)
stloc.2 <null>
ldloca.s V_2
call System.Object System.Runtime.InteropServices.GCHandle::get_Target()
castclass System.Byte[]
stloc.3 <null>
ldstr koi
ldloc.3 <null>
callvirt System.Reflection.Module System.Reflection.Assembly::LoadModule(System.String,System.Byte[])
ldloc.3 <null>
ldc.i4.0 <null>
ldloc.3 <null>
ldlen <null>
conv.i4 <null>
call System.Void System.Array::Clear(System.Array,System.Int32,System.Int32)
ldloca.s V_2
call System.Void System.Runtime.InteropServices.GCHandle::Free()
ldloc.0 <null>
ldc.i4.0 <null>
ldloc.0 <null>
ldlen <null>
conv.i4 <null>
call System.Void System.Array::Clear(System.Array,System.Int32,System.Int32)
ldloc.1 <null>
ldc.i4 285212673
callvirt System.Byte[] System.Reflection.Module::ResolveSignature(System.Int32)
stsfld System.Byte[] <Module>::key
call System.AppDomain System.AppDomain::get_CurrentDomain()
ldnull <null>
ldftn System.Reflection.Assembly <Module>::Resolve(System.Object,System.ResolveEventArgs)
newobj System.Void System.ResolveEventHandler::.ctor(System.Object,System.IntPtr)
callvirt System.Void System.AppDomain::add_AssemblyResolve(System.ResolveEventHandler)
dup <null>
callvirt System.Type[] System.Reflection.Module::GetTypes()
pop <null>
ldsfld System.Byte[] <Module>::key
ldc.i4.0 <null>
ldelem.u1 <null>
ldsfld System.Byte[] <Module>::key
ldc.i4.1 <null>
ldelem.u1 <null>
ldc.i4.8 <null>
shl <null>
or <null>
ldsfld System.Byte[] <Module>::key
ldc.i4.2 <null>
ldelem.u1 <null>
ldc.i4.s 16
shl <null>
or <null>
ldsfld System.Byte[] <Module>::key
ldc.i4.3 <null>
ldelem.u1 <null>
ldc.i4.s 24
shl <null>
or <null>
callvirt System.Reflection.MethodBase System.Reflection.Module::ResolveMethod(System.Int32)
dup <null>
callvirt System.Reflection.ParameterInfo[] System.Reflection.MethodBase::GetParameters()
ldlen <null>
conv.i4 <null>
newarr System.Object
stloc.s V_4
ldloc.s V_4
ldlen <null>
brfalse.s IL_00D9: ldnull
ldloc.s V_4
ldc.i4.0 <null>
ldarg.0 <null>
stelem.ref <null>
ldnull <null>
ldloc.s V_4
callvirt System.Object System.Reflection.MethodBase::Invoke(System.Object,System.Object[])
stloc.s V_5
ldloc.s V_5
isinst System.Int32
brfalse.s IL_00F4: ldc.i4.0
ldloc.s V_5
unbox.any System.Int32
ret <null>
ldc.i4.0 <null>
ret <null>
An error has occurred. This application may no longer respond until reloaded. Reload 🗙