prank[.]exe | Triage™

Sharing

Copy URL Twitter E-mail

General

Target
prank.exe
Size 740KB
Sample261020-wbas4avs3m
SHA256 b3eda00e6d6a68f74d039ebb30b4043cb21e391386b8735a887214e70f24ba15
MD5 fbeea4e98a2b8715c009e7070d6b9f0b
SHA1 21488be20becacbcbf1e071dd155463393848a40
SHA512 30f09fb3739cdee44bf54912f7214045df0579dea6806c7daa194704edff4763906418cd6af966224cd9a01e08641100493e6a1bad847920023dc06641fe4f0a
SSDEEP 12288:umRDH/i0g65K36zGISHp6fvQFU89QWbYSaL:umRDHqr6A3E89QWbYSaL
TLSH
T1D6F4D89216EB0CA5DDE32B7C21DB633AA735FE708B7A4B6B8104C1316C135D16D6EB90
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
prank.exe

File Explorer

prank.exe

.exe 740KB

prank.exe

IMPHASH 98f0a0f010ba8adf274381c22d47dfcb
SHA256 b3eda00e6d6a68f74d039ebb30b4043cb21e391386b8735a887214e70f24ba15
MD5 fbeea4e98a2b8715c009e7070d6b9f0b
SHA1 21488be20becacbcbf1e071dd155463393848a40
SHA512 30f09fb3739cdee44bf54912f7214045df0579dea6806c7daa194704edff4763906418cd6af966224cd9a01e08641100493e6a1bad847920023dc06641fe4f0a
SSDEEP 12288:umRDH/i0g65K36zGISHp6fvQFU89QWbYSaL:umRDHqr6A3E89QWbYSaL
TLSH
T1D6F4D89216EB0CA5DDE32B7C21DB633AA735FE708B7A4B6B8104C1316C135D16D6EB90
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

4144

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

advapi32

RegCloseKey RegCreateKeyExW RegDeleteValueW RegOpenKeyExW RegSetValueExW

gdi32

CreateFontW CreateSolidBrush DeleteObject SelectObject SetBkMode SetTextColor

kernel32

AttachConsole Beep CloseHandle CopyFileW CreateDirectoryW CreateEventA CreateEventW CreateMutexW CreateProcessW CreateSemaphoreA CreateThread DeleteCriticalSection DeleteFileW DuplicateHandle EnterCriticalSection FindClose FindFirstFileW FindNextFileW FormatMessageA FreeLibrary GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetLastError GetModuleFileNameW GetModuleHandleA GetModuleHandleW GetProcAddress GetProcessAffinityMask GetStartupInfoW GetSystemTimeAsFileTime GetThreadContext GetThreadPriority GetTickCount InitializeCriticalSection LeaveCriticalSection LoadLibraryA LocalFree OpenMutexW OpenProcess OutputDebugStringA QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReleaseMutex ReleaseSemaphore RemoveDirectoryW ResetEvent ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetEvent SetFileAttributesW SetLastError SetProcessAffinityMask SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject

api-ms-win-crt-convert-l1-1-0

_wtoi mbrtowc mbsrtowcs strtoul

api-ms-win-crt-environment-l1-1-0

__p__wenviron getenv

api-ms-win-crt-filesystem-l1-1-0

_lock_file _unlock_file

api-ms-win-crt-heap-l1-1-0

_set_new_mode calloc free malloc realloc

api-ms-win-crt-locale-l1-1-0

_configthreadlocale localeconv

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-private-l1-1-0

__C_specific_handler __intrinsic_setjmp longjmp memchr memcmp memcpy memmove strchr wcsstr

api-ms-win-crt-runtime-l1-1-0

__p___argc __p___wargv __p__wcmdln _assert _beginthreadex _cexit _configure_wide_argv _crt_atexit _endthreadex _errno _exit _set_app_type _initialize_wide_environment _initterm _initterm_e _set_invalid_parameter_handler abort exit signal strerror

api-ms-win-crt-stdio-l1-1-0

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf __stdio_common_vfwprintf __stdio_common_vsprintf _fileno _read _setmode fflush fputc fputs fputwc fwrite setvbuf

api-ms-win-crt-string-l1-1-0

_strdup _wcsdup memset strcmp strlen strncmp strnlen wcslen wcsncmp wcsnlen

api-ms-win-crt-utility-l1-1-0

rand_s

shell32

SHGetFolderPathW

user32

CopyIcon CreateCursor CreateWindowExW DefWindowProcW DestroyCursor DestroyWindow DispatchMessageW DrawTextW FillRect GetAsyncKeyState GetDC GetMessageW GetSystemMetrics KillTimer MessageBoxW PostQuitMessage RegisterClassExW RegisterHotKey ReleaseDC SetSystemCursor SetTimer SystemParametersInfoW TranslateMessage UnregisterHotKey

Name

.text

Size

206KB

Virtual Size

205KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

1024B

Virtual Size

640B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

24KB

Virtual Size

24KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

15KB

Virtual Size

15KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

14KB

Virtual Size

13KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

7KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

1024B

Virtual Size

688B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/14

Size

512B

Virtual Size

208B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/29

Size

19KB

Virtual Size

19KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/41

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/55

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/67

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/80

Size

512B

Virtual Size

219B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/91

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/107

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/123

Size

512B

Virtual Size

249B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

prank.exe

advapi32

gdi32

kernel32

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-private-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-utility-l1-1-0

shell32

user32

generic