f92b[.]pdf[.]exe | Triage™

Sharing

Copy URL Twitter E-mail

General

Target
f92b.pdf.exe
Size 8.7MB
Sample260702-psby6aas71
SHA256 ca66840e7c8c30a572c0489618a57d25474039bc0b44b0955ca4edc9c5d81706
MD5 1cf8d51ca815ee4fac497e15c6a5d9e6
SHA1 8359d76b9578d5861822218077e167c31da9eb83
SHA512 f421a0061e1358fa6ab092ce7b3517e8117ef8c8d9953268228104b837c32660ed7909d871dcb65469bb96056fbf3c26b4b03189fefe001f1a2c4f724e12f4b4
SSDEEP 49152:w0cvRztsLfZnpXPxY5FxvZAEyZ5AXX41ElrOPRu/KrkrKrJulwUhSu5lJHexGksn:w
TLSH
T122963323FE2D9FBDC99C8234303F9E7529A06F5B8454A0D637C1E98E262F6841D1E4D6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
f92b.pdf.exe

File Explorer

f92b.pdf.exe

.exe 8.7MB

f92b.pdf.exe

IMPHASH a29ddeeb229d3bd359724ee90d516160
SHA256 ca66840e7c8c30a572c0489618a57d25474039bc0b44b0955ca4edc9c5d81706
MD5 1cf8d51ca815ee4fac497e15c6a5d9e6
SHA1 8359d76b9578d5861822218077e167c31da9eb83
SHA512 f421a0061e1358fa6ab092ce7b3517e8117ef8c8d9953268228104b837c32660ed7909d871dcb65469bb96056fbf3c26b4b03189fefe001f1a2c4f724e12f4b4
SSDEEP 49152:w0cvRztsLfZnpXPxY5FxvZAEyZ5AXX41ElrOPRu/KrkrKrJulwUhSu5lJHexGksn:w
TLSH
T122963323FE2D9FBDC99C8234303F9E7529A06F5B8454A0D637C1E98E262F6841D1E4D6
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

4342

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_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

kernel32

AddVectoredExceptionHandler CloseHandle CreateEventA CreateSemaphoreA DeleteCriticalSection DuplicateHandle EnterCriticalSection FreeLibrary GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetHandleInformation GetLastError GetModuleHandleA GetProcAddress GetProcessAffinityMask GetStartupInfoA GetSystemTimeAsFileTime GetThreadContext GetThreadPriority GetTickCount InitializeCriticalSection IsDBCSLeadByteEx IsDebuggerPresent LeaveCriticalSection LoadLibraryA MultiByteToWideChar OpenProcess OutputDebugStringA QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReleaseSemaphore RemoveVectoredExceptionHandler ResetEvent ResumeThread SetEvent SetLastError SetProcessAffinityMask SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WideCharToMultiByte

msvcrt

__C_specific_handler ___lc_codepage_func ___mb_cur_max_func __getmainargs __initenv __iob_func __lconv_init __set_app_type __setusermatherr _acmdln _amsg_exit _beginthreadex _cexit _commode _endthreadex _errno _fileno _fmode _initterm _lock _onexit _setjmp _setmode _strdup _ultoa _unlock _vsnprintf _vsnwprintf _wfopen abort calloc clearerr exit fclose ferror fflush fgetwc fprintf fputc free fwrite getc localeconv longjmp malloc memcpy memmove memset printf realloc setvbuf signal strerror strlen strncmp vfprintf wcslen

user32

MessageBoxA

Name

.text

Size

204KB

Virtual Size

203KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

1024B

Virtual Size

944B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

8.5MB

Virtual Size

8.5MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.eh_fram

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

6KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

6KB

Virtual Size

5KB

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

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

512B

Virtual Size

112B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

67KB

Virtual Size

66KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

1024B

Virtual Size

660B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

f92b.pdf.exe

kernel32

msvcrt

user32

generic