back[.]exe | Triage™

General

Target
back.exe
Size 508KB
Sample240707-b8n2rssfna
SHA256 4bbf25acfe56a5108ad9c90d3586f28a4bf58b2a032f8a6b30fbeb96b7c35ec0
MD5 828db3f05fb04961a7787b56d7040332
SHA1 6824f8bc1f1874a65dc383d6d8c3b357ee74b232
SHA512 51c60576d6ff8d768eb2150a0efd0072203f60ac73a1f8844f78341316093d54131175f87a7ae8333bfbafae6cd14e37968b4ce91c92c18b5f9c2b87ab4876f6
SSDEEP 6144:wPiIYs5NgW3IPHKSv0oMCkpmcYr29wnxAxCrVa6ot6ifWoU7iaJAP2d+PwpWDMEK:uKs5NgWCvNNCEixChEdRUO8pQq8JtXy
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
back.exe

File Explorer

back.exe

.exe 508KB

back.exe

IMPHASH bea8657593f34831fef16a15915f462d
SHA256 4bbf25acfe56a5108ad9c90d3586f28a4bf58b2a032f8a6b30fbeb96b7c35ec0
MD5 828db3f05fb04961a7787b56d7040332
SHA1 6824f8bc1f1874a65dc383d6d8c3b357ee74b232
SHA512 51c60576d6ff8d768eb2150a0efd0072203f60ac73a1f8844f78341316093d54131175f87a7ae8333bfbafae6cd14e37968b4ce91c92c18b5f9c2b87ab4876f6
SSDEEP 6144:wPiIYs5NgW3IPHKSv0oMCkpmcYr29wnxAxCrVa6ot6ifWoU7iaJAP2d+PwpWDMEK:uKs5NgWCvNNCEixChEdRUO8pQq8JtXy
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

6

Entry point

29778

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

user32

OffsetRect

kernel32

CreateFileW HeapSize GetProcessHeap SetStdHandle WaitForSingleObject CreateThread VirtualAlloc GetModuleHandleA GetProcAddress GetConsoleWindow CloseHandle WaitForSingleObjectEx GetCurrentThreadId GetExitCodeThread WideCharToMultiByte EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection QueryPerformanceCounter ReleaseSRWLockExclusive WakeAllConditionVariable EncodePointer DecodePointer MultiByteToWideChar LCMapStringEx GetSystemTimeAsFileTime GetModuleHandleW GetStringTypeW GetCPInfo IsProcessorFeaturePresent UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess GetCurrentProcessId InitializeSListHead IsDebuggerPresent GetStartupInfoW SetEnvironmentVariableW RaiseException RtlUnwind GetLastError SetLastError InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary LoadLibraryExW ExitThread FreeLibraryAndExitThread GetModuleHandleExW GetStdHandle WriteFile GetModuleFileNameW ExitProcess GetCommandLineA GetCommandLineW HeapAlloc HeapFree GetFileType CompareStringW LCMapStringW GetLocaleInfoW IsValidLocale GetUserDefaultLCID EnumSystemLocalesW FlushFileBuffers GetConsoleOutputCP GetConsoleMode ReadFile GetFileSizeEx SetFilePointerEx ReadConsoleW HeapReAlloc FindClose FindFirstFileExW FindNextFileW IsValidCodePage GetACP GetOEMCP GetEnvironmentStringsW FreeEnvironmentStringsW WriteConsoleW

Sharing