Malicious
Malicious

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PE Executable
MD5: af936b56e6f109e234bc06134041959d
Size: 46.08 KB
application/x-dosexec
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Symbol Obfuscation Score Low
MD5 af936b56e6f109e234bc06134041959d
Sha1 e92bcf0d7f2ed18a78af57734e936e781d7fdd53
Sha256 3941d2e13d9ed19d7f867bd266338e9ec0c8eb986ff656743c83c6d1a03555cc
Sha384 5c9b63701eb85b7ee05afdc14249388095afb4e8cdbe91ed39965bc686eab8f662975e22c3f47665d5318ca02d34bcb5
Sha512 9e92aa87509235ab74eb6a7f16c90ffbd8ff681e04af5f42201682f0a0962acc7d171e27a3b98957ccda3480704b1e60baf08cebc7eb954cb683c2846cc890d6
SSDeep 768:ZuoqdT1LxHaFzWUfbmBmo2qbNpL+Vl78tPIWzjbkgX3iuQXfvMZD8KLqoGBDZrx:ZuoqdT1LoG2CU3W3brXSuQP0ZtLOdrx
TLSH 6E231B003BE8863BF2BE4FB898F26145467AF2673603D54D2CC452DB5623BC696426FD
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
af936b56e6f109e234bc06134041959d
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
Config. Field Value
Key (AES_256) TUxmcWhuhuhuhuhuhuhuhuhuhuhu
Pastebin -huhuhuhu
Certificate MIIE8jhuhuhuhuhuhuhuhuhuhuhu
ServerSignature Qi/RUehuhuhuhuhuhuhuhuhuhuhu
Install thuhuhuhu
BDOS thuhuhuhu
Anti-VM thuhuhuhu
Install File ditmhuhuhuhu
Install-Folder %Aphuhuhuhu
Hosts electrhuhuhuhuhuhuhu
Ports 80,44huhuhuhuhuhuhu
Mutex qqi0huhuhuhu
Version 0huhuhuhu
Delay 3huhuhuhu
Group electrhuhuhuhuhuhuhu
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
nacmayne.exe
Full Name
nacmayne.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
nacmayne.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
nacmayne
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
Module Name
nacmayne.exe
Full Name
nacmayne.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
nacmayne.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
nacmayne
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
TUxmcWhuhuhuhuhuhuhuhuhuhuhu
CnC CNCmalicious
electrhuhuhuhuhuhuhu
Ports PORTmalicious
8huhuhuhu
Ports PORTmalicious
4huhuhuhu
Ports PORTmalicious
8huhuhuhu
Ports PORTmalicious
8huhuhuhu
Mutex MUTEXmalicious
qqi0huhuhuhu
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