jaffacakes118_Backdoor[.]Win32[.]Koutodoor[.]aihc[.]2ea19ed1fdfb01d184cc5b28d2b865a4

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General

Target
jaffacakes118_Backdoor.Win32.Koutodoor.aihc.2ea19ed1fdfb01d184cc5b28d2b865a4
Size 292KB
Sample261009-tlxdqsbt21
SHA256 82edf16bb84dfb0f0fd0b90770ccc0c81b07d588961cca5ce4a3e01d6944a11d
MD5 2ea19ed1fdfb01d184cc5b28d2b865a4
SHA1 dc905186bf3ef654781aa542bec206621bf6d9e3
SHA512 c677dce21aeed4eee49381e1d157ecef126b6c51fbe833be1a6402f13cc1038aba873038914b9f4dc8559d6e8bc4cf3407956d38b702c2a79879361a25f62f66
SSDEEP 6144:nIRMHr+a5EMa4eeEHt5rMD5j55tEML/ZVaaz+VQF55555555555555555555555q:nfHr+aSXnHYftwCS
TLSH
T1495469CEAEF19064D88000B9CDF2AE7A1C2D3CFF75F791525A10D515FA6C1A2EB29C64
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
jaffacakes118_Backdoor.Win32.Koutodoor.aihc.2ea19ed1fdfb01d184cc5b28d2b865a4

File Explorer

jaffacakes118_Backdoor.Win32.Koutodoor.aihc.2ea19ed1fdfb01d184cc5b28d2b865a4

.exe 292KB

jaffacakes118_Backdoor.Win32.Koutodoor.aihc.2ea19ed1fdfb01d184cc5b28d2b865a4

IMPHASH 4b7df1510b83d806b44846742a42fa8f
SHA256 82edf16bb84dfb0f0fd0b90770ccc0c81b07d588961cca5ce4a3e01d6944a11d
MD5 2ea19ed1fdfb01d184cc5b28d2b865a4
SHA1 dc905186bf3ef654781aa542bec206621bf6d9e3
SHA512 c677dce21aeed4eee49381e1d157ecef126b6c51fbe833be1a6402f13cc1038aba873038914b9f4dc8559d6e8bc4cf3407956d38b702c2a79879361a25f62f66
SSDEEP 6144:nIRMHr+a5EMa4eeEHt5rMD5j55tEML/ZVaaz+VQF55555555555555555555555q:nfHr+aSXnHYftwCS
TLSH
T1495469CEAEF19064D88000B9CDF2AE7A1C2D3CFF75F791525A10D515FA6C1A2EB29C64
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

10055

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

WinExec GetModuleFileNameA GetTempPathA CloseHandle CreateFileA GetVersionExA Sleep SetEnvironmentVariableA CompareStringW CompareStringA GetStringTypeW GetStringTypeA LCMapStringW LCMapStringA MultiByteToWideChar ReadFile SetEndOfFile LoadLibraryA GetTimeZoneInformation GetSystemTime GetLocalTime GetModuleHandleA GetStartupInfoA GetCommandLineA GetVersion ExitProcess GetCurrentThreadId TlsSetValue TlsAlloc SetLastError TlsGetValue GetLastError EnterCriticalSection LeaveCriticalSection HeapFree WriteFile InitializeCriticalSection TerminateProcess GetCurrentProcess UnhandledExceptionFilter FreeEnvironmentStringsA FreeEnvironmentStringsW WideCharToMultiByte GetEnvironmentStrings GetEnvironmentStringsW SetHandleCount GetStdHandle GetFileType DeleteCriticalSection GetEnvironmentVariableA HeapDestroy HeapCreate VirtualFree RtlUnwind HeapAlloc VirtualAlloc HeapReAlloc SetStdHandle FlushFileBuffers SetFilePointer InterlockedDecrement InterlockedIncrement GetCPInfo GetACP GetOEMCP GetProcAddress

user32

CreateWindowExA DefWindowProcA DispatchMessageA TranslateMessage GetMessageA ShowWindow RegisterClassExA PostQuitMessage

shell32

StrStrA

urlmon

URLDownloadToFileA

shlwapi

SHGetValueA SHSetValueA

Name

.text

Size

36KB

Virtual Size

34KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

4KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

200KB

Virtual Size

205KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

idata

Size

4KB

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

hdata

Size

4KB

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

qdata

Size

4KB

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

edata

Size

4KB

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

ddata

Size

4KB

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

cdata

Size

4KB

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

24KB

Virtual Size

23KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

jaffacakes118_Backdoor.Win32.Koutodoor.aihc.2ea19ed1fdfb01d184cc5b28d2b865a4

kernel32

user32

shell32

urlmon

shlwapi

generic