Nuker 325[.]exe | Triage™

General

Target
Nuker 325.exe
Size 41.6MB
Sample260919-xff2caag27
SHA256 86479781ed6fcfbd4c647bad5f93d206d87f894fcadcd24d1c32c04bab6c2196
MD5 4d122283884716998cf46948d272ddce
SHA1 5255de1cc7d4b6646ab1dfb1f2eaef54b87db31a
SHA512 1817add3dca386ea430cba79c67420a295b3510f737f9df54eb3a7fa57cb1f24d140a69fcb9e10f57b1c1e8226d2b6f94d343ef12b5c227fb27178ba8ffd685b
SSDEEP 786432:62G4TLcNOitXI58KPPxkxKvuToWAGW6lLVoYMc3KHgK2PgRAxXgodTw/Bk04:tTIAiB0dn10oZKlLVovc3KUgq+odTgBw
TLSH
T18DA733695A61642BFDC7C13696B6862DF1B376301F95888F0AE903A52EA73C5143F333
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Nuker 325.exe

File Explorer

Nuker 325.exe

.exe 41.6MB
Nuker 325.pyc

39KB

Nuker 325.exe

IMPHASH 351592d5ead6df0859b0cc0056827c95
SHA256 86479781ed6fcfbd4c647bad5f93d206d87f894fcadcd24d1c32c04bab6c2196
MD5 4d122283884716998cf46948d272ddce
SHA1 5255de1cc7d4b6646ab1dfb1f2eaef54b87db31a
SHA512 1817add3dca386ea430cba79c67420a295b3510f737f9df54eb3a7fa57cb1f24d140a69fcb9e10f57b1c1e8226d2b6f94d343ef12b5c227fb27178ba8ffd685b
SSDEEP 786432:62G4TLcNOitXI58KPPxkxKvuToWAGW6lLVoYMc3KHgK2PgRAxXgodTw/Bk04:tTIAiB0dn10oZKlLVovc3KUgq+odTgBw
TLSH
T18DA733695A61642BFDC7C13696B6862DF1B376301F95888F0AE903A52EA73C5143F333
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects Pyinstaller

pyinstaller
Unsigned PE

Checks for missing Authenticode signature.

Password

45364526432634

Minor OS version

0

Major OS version

6

Entry point

54464

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA 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_LARGE_ADDRESS_AWARE

PDB paths

user32

TranslateMessage ShutdownBlockReasonCreate GetWindowThreadProcessId SetWindowLongPtrW GetWindowLongPtrW MsgWaitForMultipleObjects ShowWindow DestroyWindow CreateWindowExW RegisterClassW DefWindowProcW PeekMessageW DispatchMessageW GetMessageW

kernel32

GetTimeZoneInformation GetProcessHeap FreeEnvironmentStringsW GetEnvironmentStringsW GetCPInfo GetOEMCP GetACP IsValidCodePage GetStringTypeW GetLastError FreeLibrary GetProcAddress LoadLibraryExW FormatMessageW GetModuleFileNameW SetDllDirectoryW CreateSymbolicLinkW SetErrorMode CreateDirectoryW GetCommandLineW GetEnvironmentVariableW ExpandEnvironmentStringsW DeleteFileW FindClose HeapSize FindNextFileW GetDriveTypeW RemoveDirectoryW GetTempPathW CloseHandle QueryPerformanceCounter QueryPerformanceFrequency WaitForSingleObject Sleep GetCurrentProcess GetCurrentProcessId TerminateProcess GetExitCodeProcess CreateProcessW GetStartupInfoW LocalFree SetConsoleCtrlHandler GetConsoleWindow K32EnumProcessModules K32GetModuleFileNameExW CreateFileW FindFirstFileExW GetFinalPathNameByHandleW MultiByteToWideChar WideCharToMultiByte GetFileAttributesExW HeapReAlloc WriteConsoleW SetEndOfFile FindFirstFileW GetModuleHandleW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter IsProcessorFeaturePresent GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent RtlUnwindEx SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree EncodePointer RaiseException RtlPcToFileHeader GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ReadFile GetFullPathNameW SetStdHandle GetStdHandle WriteFile ExitProcess GetModuleHandleExW GetCommandLineA HeapFree GetConsoleMode ReadConsoleW SetFilePointerEx GetConsoleOutputCP GetFileSizeEx HeapAlloc GetCurrentDirectoryW FlsAlloc FlsGetValue FlsSetValue FlsFree InitializeCriticalSectionEx VirtualProtect CompareStringW LCMapStringW FlushFileBuffers SetEnvironmentVariableW

advapi32

ConvertSidToStringSidW GetTokenInformation OpenProcessToken ConvertStringSecurityDescriptorToSecurityDescriptorW

Name

.text

Size

182KB

Virtual Size

182KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

78KB

Virtual Size

78KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

20KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

9KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

17KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

Nuker 325.exe

user32

kernel32

advapi32

generic

Nuker 325.pyc