Malicious
Malicious

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PE Executable
MD5:
Size: 0 B
application/x-dosexec
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Symbol Obfuscation Score Low
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
a58990bf71a1eb82a13d3b2df860f944
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_ICON
ID:0001
ID:0
ID:0002
ID:0
ID:0003
ID:0
ID:0004
ID:0
ID:0005
ID:0
ID:0006
ID:0
ID:0007
ID:0
ID:0-preview.png
RT_GROUP_CURSOR4
ID:0001
ID:0
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
Config. Field Value
Key (AES_256) c09FV0huhuhuhuhuhuhuhuhuhuhu
Pastebin -huhuhuhu
Certificate MIICMDhuhuhuhuhuhuhuhuhuhuhu
ServerSignature BBDPKvhuhuhuhuhuhuhuhuhuhuhu
Install thuhuhuhu
BDOS fhuhuhuhu
Anti-VM fhuhuhuhu
Install File Winhuhuhuhu
Install-Folder %Aphuhuhuhu
Hosts motchihuhuhuhuhuhuhuhuhuhuhu
Ports 80,443huhuhuhuhuhuhuhuhuhuhu
Mutex SGID_Chuhuhuhuhuhuhuhuhuhuhu
Version 1huhuhuhu
Delay 1huhuhuhu
Group Hohuhuhuhu
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
Winrarr.exe
Full Name
Winrarr.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
Winrarr.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
Winrarr
Assembly Version
1.0.7.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
.NETFramework,Version=v4.0
Total Strings
157
Main Method
System.Void Client.Program::Main()
Main IL Instruction Count
77
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::De_lay
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>
ldsfld System.String Client.Settings::An_ti
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_0047: leave IL_0052
call System.Void Client.Helper.Anti_Analysis::RunAntiAnalysis()
leave IL_0052: call System.Void Client.Helper.A::B()
pop <null>
leave IL_0052: call System.Void Client.Helper.A::B()
call System.Void Client.Helper.A::B()
call System.Boolean Client.Helper.MutexControl::CreateMutex()
brtrue IL_0067: leave IL_0072
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
leave IL_0072: nop
pop <null>
leave IL_0072: nop
nop <null>
ldsfld System.String Client.Settings::Anti_Process
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_0087: leave IL_0092
call System.Void Client.Helper.AntiProcess::StartBlock()
leave IL_0092: nop
pop <null>
leave IL_0092: nop
nop <null>
ldsfld System.String Client.Settings::BS_OD
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_00B1: leave IL_00BC
call System.Boolean Client.Helper.Methods::IsAdmin()
brfalse IL_00B1: leave IL_00BC
call System.Void Client.Helper.ProcessCritical::Set()
leave IL_00BC: nop
pop <null>
leave IL_00BC: nop
nop <null>
ldsfld System.String Client.Settings::In_stall
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_00D1: leave IL_00DC
call System.Void Client.Install.NormalStartup::Install()
leave IL_00DC: call System.Void Client.Helper.Methods::PreventSleep()
pop <null>
leave IL_00DC: call System.Void Client.Helper.Methods::PreventSleep()
call System.Void Client.Helper.Methods::PreventSleep()
call System.Boolean Client.Helper.Methods::IsAdmin()
brfalse IL_00F0: leave IL_00FB
call System.Void Client.Helper.Methods::ClearSetting()
leave IL_00FB: nop
pop <null>
leave IL_00FB: nop
nop <null>
call System.Boolean Client.Connection.ClientSocket::get_IsConnected()
brtrue IL_0110: leave IL_011B
call System.Void Client.Connection.ClientSocket::Reconnect()
call System.Void Client.Connection.ClientSocket::InitializeClient()
leave IL_011B: ldc.i4 5000
pop <null>
leave IL_011B: ldc.i4 5000
ldc.i4 5000
call System.Void System.Threading.Thread::Sleep(System.Int32)
br.s IL_00FB: nop
Module Name
Winrarr.exe
Full Name
Winrarr.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
Winrarr.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
Winrarr
Assembly Version
1.0.7.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
.NETFramework,Version=v4.0
Total Strings
157
Main Method
System.Void Client.Program::Main()
Main IL Instruction Count
77
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::De_lay
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>
ldsfld System.String Client.Settings::An_ti
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_0047: leave IL_0052
call System.Void Client.Helper.Anti_Analysis::RunAntiAnalysis()
leave IL_0052: call System.Void Client.Helper.A::B()
pop <null>
leave IL_0052: call System.Void Client.Helper.A::B()
call System.Void Client.Helper.A::B()
call System.Boolean Client.Helper.MutexControl::CreateMutex()
brtrue IL_0067: leave IL_0072
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
leave IL_0072: nop
pop <null>
leave IL_0072: nop
nop <null>
ldsfld System.String Client.Settings::Anti_Process
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_0087: leave IL_0092
call System.Void Client.Helper.AntiProcess::StartBlock()
leave IL_0092: nop
pop <null>
leave IL_0092: nop
nop <null>
ldsfld System.String Client.Settings::BS_OD
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_00B1: leave IL_00BC
call System.Boolean Client.Helper.Methods::IsAdmin()
brfalse IL_00B1: leave IL_00BC
call System.Void Client.Helper.ProcessCritical::Set()
leave IL_00BC: nop
pop <null>
leave IL_00BC: nop
nop <null>
ldsfld System.String Client.Settings::In_stall
call System.Boolean System.Convert::ToBoolean(System.String)
brfalse IL_00D1: leave IL_00DC
call System.Void Client.Install.NormalStartup::Install()
leave IL_00DC: call System.Void Client.Helper.Methods::PreventSleep()
pop <null>
leave IL_00DC: call System.Void Client.Helper.Methods::PreventSleep()
call System.Void Client.Helper.Methods::PreventSleep()
call System.Boolean Client.Helper.Methods::IsAdmin()
brfalse IL_00F0: leave IL_00FB
call System.Void Client.Helper.Methods::ClearSetting()
leave IL_00FB: nop
pop <null>
leave IL_00FB: nop
nop <null>
call System.Boolean Client.Connection.ClientSocket::get_IsConnected()
brtrue IL_0110: leave IL_011B
call System.Void Client.Connection.ClientSocket::Reconnect()
call System.Void Client.Connection.ClientSocket::InitializeClient()
leave IL_011B: ldc.i4 5000
pop <null>
leave IL_011B: ldc.i4 5000
ldc.i4 5000
call System.Void System.Threading.Thread::Sleep(System.Int32)
br.s IL_00FB: nop
Key (AES_256) MUTEXmalicious
c09FV0huhuhuhuhuhuhuhuhuhuhu
CnC CNCmalicious
motchuhuhuhuhuhuhu
CnC CNCmalicious
mothuhuhuhu
CnC CNCmalicious
motfihuhuhuhuhuhuhu
CnC CNCmalicious
80whuhuhuhu
CnC CNCmalicious
0uyhuhuhuhu
CnC CNCmalicious
www.mhuhuhuhuhuhuhu
CnC CNCmalicious
www.mhuhuhuhuhuhuhu
CnC CNCmalicious
www.mohuhuhuhuhuhuhu
CnC CNCmalicious
www.huhuhuhuhuhuhu
CnC CNCmalicious
www.huhuhuhuhuhuhu
Ports PORTmalicious
8huhuhuhu
Ports PORTmalicious
4huhuhuhu
Ports PORTmalicious
2huhuhuhu
Ports PORTmalicious
2huhuhuhu
Ports PORTmalicious
2huhuhuhu
Ports PORTmalicious
2huhuhuhu
Ports PORTmalicious
4huhuhuhu
Ports PORTmalicious
8huhuhuhu
Ports PORTmalicious
8huhuhuhu
Ports PORTmalicious
8huhuhuhu
Mutex MUTEXmalicious
SGID_Chuhuhuhuhuhuhuhuhuhuhu
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