winlocker[.]exe | Triage™

General

Target
winlocker.exe
Size 11.6MB
Sample260623-pl27rscz21
SHA256 0f078ff62068beddcfd1b49943ab76be98aa014ca58077896105ab32f873c994
MD5 7bd8d160078eda0eed499817b994add3
SHA1 6df705e667b9088dda82133313c52a2b48ab419e
SHA512 bc5dca3942ca23717e98eb155dd3110675e4c34e6f3d09cf8cb557c338d31cfd3af27b3a77268c82b0637ef30c923d3b44392248db8cf18fc22e30c1752bc2c5
SSDEEP 196608:1Fhcd3w0AEYV9/XEpXnH2ph1iut1/1QpL0uQg+U+02XhwjC5ykiHJkZtK7voKgpO:PhA1FYVhXEAphVtrQSg+nFoIykzfK7vh
TLSH
T1A3C63398778809A4F8BF423DA8C0EA3293F1B8511BA5D3D71BF14D151A276E8EF74B50
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
winlocker.exe

File Explorer

winlocker.exe

.exe 11.6MB
winlocker.pyc

23KB

winlocker.exe

IMPHASH d5b1104f7bf955d6b89a47291d5b603b
SHA256 0f078ff62068beddcfd1b49943ab76be98aa014ca58077896105ab32f873c994
MD5 7bd8d160078eda0eed499817b994add3
SHA1 6df705e667b9088dda82133313c52a2b48ab419e
SHA512 bc5dca3942ca23717e98eb155dd3110675e4c34e6f3d09cf8cb557c338d31cfd3af27b3a77268c82b0637ef30c923d3b44392248db8cf18fc22e30c1752bc2c5
SSDEEP 196608:1Fhcd3w0AEYV9/XEpXnH2ph1iut1/1QpL0uQg+U+02XhwjC5ykiHJkZtK7voKgpO:PhA1FYVhXEAphVtrQSg+nFoIykzfK7vh
TLSH
T1A3C63398778809A4F8BF423DA8C0EA3293F1B8511BA5D3D71BF14D151A276E8EF74B50
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects Pyinstaller

pyinstaller
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

6

Entry point

54976

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 GetModuleFileNameW SetDllDirectoryW CreateSymbolicLinkW SetErrorMode CreateDirectoryW GetCommandLineW GetEnvironmentVariableW ExpandEnvironmentStringsW HeapSize FindClose FindFirstFileW 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 HeapReAlloc WriteConsoleW SetEndOfFile DeleteFileW RtlUnwindEx GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead SetUnhandledExceptionFilter GetModuleHandleW 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

183KB

Virtual Size

182KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

79KB

Virtual Size

79KB

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

winlocker.exe

user32

kernel32

advapi32

generic

winlocker.pyc