zgrat | 39bd5ab4d43919fd00a1a576a770a0f9[.]exe

General

Target
39bd5ab4d43919fd00a1a576a770a0f9.exe
Size 1.9MB
Sample231207-freh8aahf5
SHA256 d6b5a77e4a1a7d7447f8744cb83a5bb902eb7dc03ff3a99674e20528482f9df4
MD5 39bd5ab4d43919fd00a1a576a770a0f9
SHA1 d620bd7855ece438aa70568101a2287a4b61702d
SHA512 f0dfe7507fa7b25e01df4ed30e85267e5bf7febac6c880030c37222b5fd6ac5873fbf9923f6f0e915cc16205fd033b6409c484ca209a04b8ad13b7a3c6b3f436
SSDEEP 24576:2TbBv5rUyXVr4umwRu7h+VovPu6GgG7LJM1sl248kdiYzMT+cSxXge3akEKhZtKE:IBJrMwRiYNgCL+yg48k8T+hX87KtKly
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

zgrat

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
sample	family_zgrat_v1

Zgrat family
zgrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
39bd5ab4d43919fd00a1a576a770a0f9.exe

File Explorer

39bd5ab4d43919fd00a1a576a770a0f9.exe

.exe 1.9MB

39bd5ab4d43919fd00a1a576a770a0f9.exe

IMPHASH 12e12319f1029ec4f8fcbed7e82df162
SHA256 d6b5a77e4a1a7d7447f8744cb83a5bb902eb7dc03ff3a99674e20528482f9df4
MD5 39bd5ab4d43919fd00a1a576a770a0f9
SHA1 d620bd7855ece438aa70568101a2287a4b61702d
SHA512 f0dfe7507fa7b25e01df4ed30e85267e5bf7febac6c880030c37222b5fd6ac5873fbf9923f6f0e915cc16205fd033b6409c484ca209a04b8ad13b7a3c6b3f436
SSDEEP 24576:2TbBv5rUyXVr4umwRu7h+VovPu6GgG7LJM1sl248kdiYzMT+cSxXge3akEKhZtKE:IBJrMwRiYNgCL+yg48k8T+hX87KtKly
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x86 arch:x86

Detect ZGRat V1
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

1

Major OS version

5

Entry point

128304

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

GetLastError SetLastError FormatMessageW GetCurrentProcess DeviceIoControl SetFileTime CloseHandle CreateDirectoryW RemoveDirectoryW CreateFileW DeleteFileW CreateHardLinkW GetShortPathNameW GetLongPathNameW MoveFileW GetFileType GetStdHandle WriteFile ReadFile FlushFileBuffers SetEndOfFile SetFilePointer SetFileAttributesW GetFileAttributesW FindClose FindFirstFileW FindNextFileW InterlockedDecrement GetVersionExW GetCurrentDirectoryW GetFullPathNameW FoldStringW GetModuleFileNameW GetModuleHandleW FindResourceW FreeLibrary GetProcAddress GetCurrentProcessId ExitProcess SetThreadExecutionState Sleep LoadLibraryW GetSystemDirectoryW CompareStringW AllocConsole FreeConsole AttachConsole WriteConsoleW GetProcessAffinityMask CreateThread SetThreadPriority InitializeCriticalSection EnterCriticalSection LeaveCriticalSection DeleteCriticalSection SetEvent ResetEvent ReleaseSemaphore WaitForSingleObject CreateEventW CreateSemaphoreW GetSystemTime SystemTimeToTzSpecificLocalTime TzSpecificLocalTimeToSystemTime SystemTimeToFileTime FileTimeToLocalFileTime LocalFileTimeToFileTime FileTimeToSystemTime GetCPInfo IsDBCSLeadByte MultiByteToWideChar WideCharToMultiByte GlobalAlloc LockResource GlobalLock GlobalUnlock GlobalFree LoadResource SizeofResource SetCurrentDirectoryW GetExitCodeProcess GetLocalTime GetTickCount MapViewOfFile UnmapViewOfFile CreateFileMappingW OpenFileMappingW GetCommandLineW SetEnvironmentVariableW ExpandEnvironmentStringsW GetTempPathW MoveFileExW GetLocaleInfoW GetTimeFormatW GetDateFormatW GetNumberFormatW DecodePointer SetFilePointerEx GetConsoleMode GetConsoleCP HeapSize SetStdHandle GetProcessHeap FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineA GetOEMCP RaiseException GetSystemInfo VirtualProtect VirtualQuery LoadLibraryExA IsProcessorFeaturePresent IsDebuggerPresent UnhandledExceptionFilter SetUnhandledExceptionFilter GetStartupInfoW QueryPerformanceCounter GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead TerminateProcess LocalFree RtlUnwind EncodePointer InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree LoadLibraryExW QueryPerformanceFrequency GetModuleHandleExW GetModuleFileNameA GetACP HeapFree HeapAlloc HeapReAlloc GetStringTypeW LCMapStringW FindFirstFileExA FindNextFileA IsValidCodePage

oleaut32

SysAllocString SysFreeString VariantClear

gdiplus

GdipAlloc GdipDisposeImage GdipCloneImage GdipCreateBitmapFromStream GdipCreateBitmapFromStreamICM GdipCreateHBITMAPFromBitmap GdiplusStartup GdiplusShutdown GdipFree

Name

.text

Size

199KB

Virtual Size

198KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

44KB

Virtual Size

43KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

4KB

Virtual Size

145KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.didat

Size

512B

Virtual Size

400B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

56KB

Virtual Size

55KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

9KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

39bd5ab4d43919fd00a1a576a770a0f9.exe

kernel32

oleaut32

gdiplus

generic