nuker[.]exe | Triage™

General

Target
nuker.exe
Size 41.5MB
Sample261017-ymrbbscx5x
SHA256 61bc480acf00ccbe37b5bb04452d09f40ec80d5221dd701aec876c53bc5ad044
MD5 6ef64b4efee7b2b187a213ef2b45ce67
SHA1 cbff22642c045c9a142ac60f54c3cbe89e222639
SHA512 960ee87b1dc1d5758b492b4f9b78d8d4eccaa579431e59a9e4c9f92505cf09a46ca198884c7b07b78cef89aef9da70011c9e90ad038f4692a4d221bf60f679d4
SSDEEP 786432:bDt5Sp2G4TLcNOiVLrqFdCrG2KvuToWAGW6lLVUtZq5W69PyTzwZS7+CJ/Kk0M:bLTIAiVLrodCrGZ0oZKlLVUDq5WlwqtM
TLSH
T1999733A8EF9118AFF4C6D539DAF3D06962A2B5252F61C98F158502A73FA36C4143F334
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.exe

File Explorer

nuker.exe

.exe 41.5MB
tool.pyc

37KB

nuker.exe

IMPHASH f0d05c1dd5ba1ed096c85a04a8275fec
SHA256 61bc480acf00ccbe37b5bb04452d09f40ec80d5221dd701aec876c53bc5ad044
MD5 6ef64b4efee7b2b187a213ef2b45ce67
SHA1 cbff22642c045c9a142ac60f54c3cbe89e222639
SHA512 960ee87b1dc1d5758b492b4f9b78d8d4eccaa579431e59a9e4c9f92505cf09a46ca198884c7b07b78cef89aef9da70011c9e90ad038f4692a4d221bf60f679d4
SSDEEP 786432:bDt5Sp2G4TLcNOiVLrqFdCrG2KvuToWAGW6lLVUtZq5W69PyTzwZS7+CJ/Kk0M:bLTIAiVLrodCrGZ0oZKlLVUDq5WlwqtM
TLSH
T1999733A8EF9118AFF4C6D539DAF3D06962A2B5252F61C98F158502A73FA36C4143F334
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects Pyinstaller

pyinstaller
Unsigned PE

Checks for missing Authenticode signature.

Password

1477

Minor OS version

0

Major OS version

6

Entry point

56560

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

GetCursorPos ShutdownBlockReasonCreate GetWindowThreadProcessId SetWindowLongPtrW GetWindowLongPtrW MsgWaitForMultipleObjects ShowWindow DestroyWindow CreateWindowExW RegisterClassW DefWindowProcW PeekMessageW DispatchMessageW TranslateMessage GetMessageW GetMonitorInfoW MonitorFromPoint GetSystemMetrics

kernel32

GetTimeZoneInformation GetProcessHeap FreeEnvironmentStringsW GetEnvironmentStringsW GetCPInfo GetOEMCP GetACP IsValidCodePage GetStringTypeW GetFileAttributesExW SetEnvironmentVariableW FlushFileBuffers GetLastError FreeLibrary GetProcAddress LoadLibraryExW FormatMessageW CloseHandle GetCurrentProcess GetModuleFileNameW SetDllDirectoryW CreateSymbolicLinkW SetErrorMode GetCurrentProcessId OpenProcess QueryFullProcessImageNameW CreateToolhelp32Snapshot Process32FirstW HeapSize CreateDirectoryW GetCommandLineW GetEnvironmentVariableW ExpandEnvironmentStringsW DeleteFileW FindClose FindFirstFileW FindNextFileW GetDriveTypeW RemoveDirectoryW GetTempPathW QueryPerformanceCounter QueryPerformanceFrequency WaitForSingleObject Sleep TerminateProcess GetExitCodeProcess CreateProcessW GetStartupInfoW LocalFree SetConsoleCtrlHandler GetConsoleWindow K32EnumProcessModules K32GetModuleFileNameExW CreateFileW FindFirstFileExW GetFinalPathNameByHandleW MultiByteToWideChar WideCharToMultiByte HeapReAlloc WriteConsoleW SetEndOfFile Process32NextW SetUnhandledExceptionFilter GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead GetModuleHandleW RtlUnwindEx SetLastError FlsAlloc FlsGetValue FlsSetValue FlsFree EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection RtlLookupFunctionEntry EncodePointer RaiseException RtlPcToFileHeader GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ReadFile GetFullPathNameW SetStdHandle GetStdHandle WriteFile ExitProcess GetModuleHandleExW GetCommandLineA IsProcessorFeaturePresent HeapFree RtlCaptureContext RtlVirtualUnwind IsDebuggerPresent UnhandledExceptionFilter GetConsoleMode ReadConsoleW SetFilePointerEx GetConsoleOutputCP GetFileSizeEx HeapAlloc GetCurrentDirectoryW VirtualProtect CompareStringW LCMapStringW

advapi32

ConvertSidToStringSidW GetTokenInformation OpenProcessToken ConvertStringSecurityDescriptorToSecurityDescriptorW

Name

.text

Size

205KB

Virtual Size

205KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

82KB

Virtual Size

81KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

18KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

10KB

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

60KB

Virtual Size

59KB

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.exe

user32

kernel32

advapi32

generic

tool.pyc