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PE Executable
MD5:
Size: 0 B
application/x-dosexec
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The file 925db75af8fbac7f6ed5556a8c92029f is a PE Executable identified by Malva.RE as QuasarRat (rat). Static analysis extracted 5 embedded or derived files. It matches 10 YARA rules. The file was analysed statically: it was parsed and decompiled, never executed.

SHA256
—
MD5
-
Verdict
Malicious
File type
PE Executable
Family
QuasarRat
Category
RAT

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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
High

1 malicious · 6 files
EXE925db75af8fbac7f6ed5556a8c92029fQuasarRat
Structure

Name Value
Module Name
Client.exe
Full Name
Client.exe
EntryPoint
System.Void _.Program::Main(System.String[])
Scope Name
Client.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v2.0.50727
Tables Header Version
512
WinMD Version
<null>
Assembly Name
Client
Assembly Version
1.1.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
461d39c4a423da0b
Target Framework
<null>
Total Strings
26
Main Method
System.Void _.Program::Main(System.String[])
Main IL Instruction Count
79
Main IL 
br.s IL_000B: ldc.i4.0
call <null>
ldnull <null>
ldc.i4.0 <null>
ldelem.ref <null>
pop <null>
ldc.i4.0 <null>
brtrue.s IL_0007: ldnull
ldc.i4 10
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Void fHJgCMbhoFwreAtacm.OF2u1XGttxO62hC9mA::o2R1STDom2QDM()
call System.Boolean _.Program::cToeevom2gLiKWePjyA()
call System.Boolean _.Program::j3MH49ocklyxBNAUocf()
brfalse IL_0066: pop
pop <null>
ldc.i4 0
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
ldsfld _.Cr.Networking.QuasarClient _.Program::ConnectClient
callvirt System.Void _.Cr.Networking.QuasarClient::Connect()
ldc.i4 11
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.AppDomain System.AppDomain::get_CurrentDomain()
ldnull <null>
ldftn System.Void _.Program::HandleUnhandledException(System.Object,System.Object)
newobj System.Void System.UnhandledExceptionEventHandler::.ctor(System.Object,System.IntPtr)
callvirt System.Void System.AppDomain::add_UnhandledException(System.UnhandledExceptionEventHandler)
br IL_0118: call System.Boolean _.Cf.Settings::Initialize()
pop <null>
ldc.i4 8
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Boolean _.Cr.Networking.QuasarClient::get_Exiting()
brtrue IL_0087: call System.Void _.Program::Cleanup()
ldc.i4 7
ldc.i4.0 <null>
brfalse IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
pop <null>
call System.Void _.Program::Cleanup()
ldc.i4 2
call System.Boolean _.Program::j3MH49ocklyxBNAUocf()
brtrue IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
pop <null>
ldsfld System.Int32 _.Cf.Settings::RECONNECTDELAY
newobj System.Void System.Random::.ctor()
ldc.i4 1000
ldc.i4 5000
callvirt System.Int32 System.Random::Next(System.Int32,System.Int32)
add <null>
call System.Void System.Threading.Thread::Sleep(System.Int32)
br IL_014B: call System.Boolean _.Program::Initialize()
ldc.i4 10
stloc V_0
ldloc V_0
switch dnlib.DotNet.Emit.Instruction[]
ldc.i4 13
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Boolean _.Cf.Settings::Initialize()
brfalse IL_0087: call System.Void _.Program::Cleanup()
ldc.i4 4
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
ldc.i4.0 <null>
call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean)
ldc.i4 3
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Void System.Windows.Forms.Application::EnableVisualStyles()
ldc.i4 6
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Boolean _.Program::Initialize()
brfalse IL_0087: call System.Void _.Program::Cleanup()
ldc.i4 12
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Void shukHIH51G8MGYO6l6.o2gnkm49wKAohVBvNL::f1t4GnQzW5eBO()
ldc.i4 9
ldc.i4.1 <null>
brtrue IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
pop <null>
call System.Void _.Program::Exit()
ldc.i4 14
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
ret <null>
Module Name
Client.exe
Full Name
Client.exe
EntryPoint
System.Void _.Program::Main(System.String[])
Scope Name
Client.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v2.0.50727
Tables Header Version
512
WinMD Version
<null>
Assembly Name
Client
Assembly Version
1.1.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
461d39c4a423da0b
Target Framework
<null>
Total Strings
26
Main Method
System.Void _.Program::Main(System.String[])
Main IL Instruction Count
79
Main IL 
br.s IL_000B: ldc.i4.0
call <null>
ldnull <null>
ldc.i4.0 <null>
ldelem.ref <null>
pop <null>
ldc.i4.0 <null>
brtrue.s IL_0007: ldnull
ldc.i4 10
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Void fHJgCMbhoFwreAtacm.OF2u1XGttxO62hC9mA::o2R1STDom2QDM()
call System.Boolean _.Program::cToeevom2gLiKWePjyA()
call System.Boolean _.Program::j3MH49ocklyxBNAUocf()
brfalse IL_0066: pop
pop <null>
ldc.i4 0
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
ldsfld _.Cr.Networking.QuasarClient _.Program::ConnectClient
callvirt System.Void _.Cr.Networking.QuasarClient::Connect()
ldc.i4 11
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.AppDomain System.AppDomain::get_CurrentDomain()
ldnull <null>
ldftn System.Void _.Program::HandleUnhandledException(System.Object,System.Object)
newobj System.Void System.UnhandledExceptionEventHandler::.ctor(System.Object,System.IntPtr)
callvirt System.Void System.AppDomain::add_UnhandledException(System.UnhandledExceptionEventHandler)
br IL_0118: call System.Boolean _.Cf.Settings::Initialize()
pop <null>
ldc.i4 8
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Boolean _.Cr.Networking.QuasarClient::get_Exiting()
brtrue IL_0087: call System.Void _.Program::Cleanup()
ldc.i4 7
ldc.i4.0 <null>
brfalse IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
pop <null>
call System.Void _.Program::Cleanup()
ldc.i4 2
call System.Boolean _.Program::j3MH49ocklyxBNAUocf()
brtrue IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
pop <null>
ldsfld System.Int32 _.Cf.Settings::RECONNECTDELAY
newobj System.Void System.Random::.ctor()
ldc.i4 1000
ldc.i4 5000
callvirt System.Int32 System.Random::Next(System.Int32,System.Int32)
add <null>
call System.Void System.Threading.Thread::Sleep(System.Int32)
br IL_014B: call System.Boolean _.Program::Initialize()
ldc.i4 10
stloc V_0
ldloc V_0
switch dnlib.DotNet.Emit.Instruction[]
ldc.i4 13
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Boolean _.Cf.Settings::Initialize()
brfalse IL_0087: call System.Void _.Program::Cleanup()
ldc.i4 4
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
ldc.i4.0 <null>
call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean)
ldc.i4 3
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Void System.Windows.Forms.Application::EnableVisualStyles()
ldc.i4 6
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Boolean _.Program::Initialize()
brfalse IL_0087: call System.Void _.Program::Cleanup()
ldc.i4 12
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
call System.Void shukHIH51G8MGYO6l6.o2gnkm49wKAohVBvNL::f1t4GnQzW5eBO()
ldc.i4 9
ldc.i4.1 <null>
brtrue IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
pop <null>
call System.Void _.Program::Exit()
ldc.i4 14
br IL_00CD: switch(IL_013C,IL_013C,IL_0170,IL_015F,IL_009C,IL_0061,IL_012C,IL_0037,IL_0118,IL_004B,IL_0018,IL_0087,IL_0071,IL_014B,IL_017F)
ret <null>
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