Malicious
Malicious

56d840402fed1ce22efe357fa2c889b0

PE Executable
MD5: 56d840402fed1ce22efe357fa2c889b0
Size: 62.98 KB
application/x-dosexec
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File
Size
62.98 KB · 62,976 B
First seen
2025-09-12 17:16 · one year ago
Last seen
2025-09-12 17:16 · one year ago
Last analysis
2025-09-12 17:17 · one year ago
Hashes
MD5 56d840402fed1ce22efe357fa2c889b0 Sha1 1c87fe5ea717656d2f7769232ef33fc6024ae144 Sha256 e0b72da90fa90f7af1731de7200a87e5cc3dc24cabbb5d062f4d13c572dec8aa Sha384 f937795cca5d15ce656573d6c7b159c618d548b515eb1dddfcd55e3ef19b1c3dfa5f7d44eb7bc5579bf54c3e07e01709 Sha512 a86c88d9cf7a9c82ca85810dc1d066761772301367af829b054fdacd5b58c9547e3c4239607fbb010bd6d74c7c466d7f70454e16d90b9403d547320b95493b6f SSDeep 1536:Y2uu616J9RhLSt7WmkD+s0hjtrNVWhlatWWf+z8TzdTyLaiq5bfcg6f7/tU1NiPm:Y2uu616J9RhLStaxD+s0hjtrNVWhlath TLSH 18531B003BEDC515F1BE8FB46AF661444AF9F56B2A02D94D1CC811CA0A32BC69941BFF
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
EXE56d840402fed1ce22efe357fa2c889b0AsyncRAT
Structure
BINResources
BINRT_VERSION
BINID:0001
BINID:0
BINRT_MANIFEST
BINID:0001
BINID:0
Config. Field Value
Key (AES_256) blQ2aThuhuhuhuhuhuhuhuhuhuhu
Pastebin -huhuhuhu
Certificate MIIE8jhuhuhuhuhuhuhuhuhuhuhu
ServerSignature kTewVKhuhuhuhuhuhuhuhuhuhuhu
Install fhuhuhuhu
BDOS fhuhuhuhu
Anti-VM thuhuhuhu
Install-Folder %Aphuhuhuhu
Hosts 2.5huhuhuhu
Ports 4huhuhuhu
Mutex dohuhuhuhu
Delay 3huhuhuhu
Group fhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
Unlock with Essential
Name Value
Module Name
AsyncClient.exe
Full Name
AsyncClient.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
AsyncClient.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
AsyncClient
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
.NETFramework,Version=v4.8
Total Strings
440
Main Method
System.Void Client.Program::Main()
Main IL Instruction Count
64
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: leave IL_00D4
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()
leave IL_00D4: nop
pop <null>
leave IL_00D4: nop
nop <null>
call System.Boolean Client.Connection.ClientSocket::get_IsConnected()
brtrue IL_00E9: leave IL_00F4
call System.Void Client.Connection.ClientSocket::Reconnect()
call System.Void Client.Connection.ClientSocket::InitializeClient()
leave IL_00F4: ldc.i4 5000
pop <null>
leave IL_00F4: ldc.i4 5000
ldc.i4 5000
call System.Void System.Threading.Thread::Sleep(System.Int32)
br.s IL_00D4: nop
Module Name
AsyncClient.exe
Full Name
AsyncClient.exe
EntryPoint
System.Void Client.Program::Main()
Scope Name
AsyncClient.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
AsyncClient
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
.NETFramework,Version=v4.8
Total Strings
440
Main Method
System.Void Client.Program::Main()
Main IL Instruction Count
64
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: leave IL_00D4
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()
leave IL_00D4: nop
pop <null>
leave IL_00D4: nop
nop <null>
call System.Boolean Client.Connection.ClientSocket::get_IsConnected()
brtrue IL_00E9: leave IL_00F4
call System.Void Client.Connection.ClientSocket::Reconnect()
call System.Void Client.Connection.ClientSocket::InitializeClient()
leave IL_00F4: ldc.i4 5000
pop <null>
leave IL_00F4: ldc.i4 5000
ldc.i4 5000
call System.Void System.Threading.Thread::Sleep(System.Int32)
br.s IL_00D4: nop
Key (AES_256) MUTEXmalicious
blQ2aThuhuhuhuhuhuhuhuhuhuhu
CnC CNCmalicious
2.5huhuhuhu
Ports PORTmalicious
4huhuhuhu
Mutex MUTEXmalicious
dohuhuhuhu
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
Unlock with Essential
1 malicious · 3 files
EXE56d840402fed1ce22efe357fa2c889b0AsyncRAT
Structure
Config. Field Value
Key (AES_256) blQ2aThuhuhuhuhuhuhuhuhuhuhu
Pastebin -huhuhuhu
Certificate MIIE8jhuhuhuhuhuhuhuhuhuhuhu
ServerSignature kTewVKhuhuhuhuhuhuhuhuhuhuhu
Install fhuhuhuhu
BDOS fhuhuhuhu
Anti-VM thuhuhuhu
Install-Folder %Aphuhuhuhu
Hosts 2.5huhuhuhu
Ports 4huhuhuhu
Mutex dohuhuhuhu
Delay 3huhuhuhu
Group fhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
Unlock with Essential
Key (AES_256) MUTEXmalicious
blQ2aThuhuhuhuhuhuhuhuhuhuhu
56d840402fed1ce22efe357fa2c889b0
CnC CNCmalicious
2.5huhuhuhu
56d840402fed1ce22efe357fa2c889b0
Ports PORTmalicious
4huhuhuhu
56d840402fed1ce22efe357fa2c889b0
Mutex MUTEXmalicious
dohuhuhuhu
56d840402fed1ce22efe357fa2c889b0
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
Unlock with Essential
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