client[.]exe | Triage™

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General

Target
client.exe
Size 263KB
Sample260727-sd5jpswsbw
SHA256 f1496f7791fe74fa7c606dbe858a31c444ea1f39b4480d6ee6421afd665e4fe6
MD5 306d2fbfcb9e2c9ad7846958710d8076
SHA1 259301a42ec0ab34560c8f083c10ff4b24fbfcff
SHA512 dbf98ca01e79f8895fd4fe2e1a045c9186a49ada904a401efe2bc841c47cf4d6ce9659101ee7e58e75e28b829684c35811a544c44189268ecd1f705c01b3571c
SSDEEP 6144:3qHw8z1kxb+1jVaX959l9hbCrKhE+MFUD9jGK:aQa1Mzw8
TLSH
T1A144191BE3A254FDC517D17982AB92B2E532F8140330AA6F1B84DF333F66D604A5DB54
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
client.exe

File Explorer

client.exe

.exe 263KB

client.exe

IMPHASH 81ba1263758c235d49f0e8dfebc54c81
SHA256 f1496f7791fe74fa7c606dbe858a31c444ea1f39b4480d6ee6421afd665e4fe6
MD5 306d2fbfcb9e2c9ad7846958710d8076
SHA1 259301a42ec0ab34560c8f083c10ff4b24fbfcff
SHA512 dbf98ca01e79f8895fd4fe2e1a045c9186a49ada904a401efe2bc841c47cf4d6ce9659101ee7e58e75e28b829684c35811a544c44189268ecd1f705c01b3571c
SSDEEP 6144:3qHw8z1kxb+1jVaX959l9hbCrKhE+MFUD9jGK:aQa1Mzw8
TLSH
T1A144191BE3A254FDC517D17982AB92B2E532F8140330AA6F1B84DF333F66D604A5DB54
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

5312

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

AddAtomA AddVectoredExceptionHandler CloseHandle CopyFileA CreateEventA CreateIoCompletionPort CreateMutexA CreateSemaphoreA DeleteAtom DeleteCriticalSection DuplicateHandle EnterCriticalSection ExpandEnvironmentStringsA FindAtomA FormatMessageA GetAtomNameA GetConsoleWindow GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetHandleInformation GetLastError GetModuleFileNameA GetModuleHandleW GetProcAddress GetProcessAffinityMask GetQueuedCompletionStatus GetStartupInfoA GetSystemTimeAsFileTime GetThreadContext GetThreadPriority GetTickCount InitializeCriticalSection IsDBCSLeadByteEx IsDebuggerPresent LeaveCriticalSection LoadLibraryW LocalFree MultiByteToWideChar OpenProcess OutputDebugStringA QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReleaseMutex ReleaseSemaphore RemoveVectoredExceptionHandler ResetEvent ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetEvent SetLastError SetProcessAffinityMask SetThreadAffinityMask SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WideCharToMultiByte __C_specific_handler

msvcrt

___lc_codepage_func ___mb_cur_max_func __getmainargs __initenv __iob_func __lconv_init __set_app_type __setusermatherr _acmdln _amsg_exit _beginthreadex _cexit _close _commode _endthreadex _errno _fmode _initterm _lock _memccpy _onexit _pclose _popen _read _setjmp _strdup _time64 _ultoa _unlock _write abort calloc exit fclose fgets fopen fprintf fputc fputs free fwrite localeconv longjmp malloc memchr memcmp memcpy memmove memset printf rand realloc signal srand strcmp strerror strlen strncmp strtol vfprintf wcslen

user32

ShowWindow

winhttp

WinHttpCloseHandle WinHttpConnect WinHttpOpen WinHttpOpenRequest WinHttpReadData WinHttpReceiveResponse WinHttpSendRequest

ws2_32

WSAIoctl WSARecv WSASend WSAStartup bind closesocket connect gethostbyname htons inet_addr ioctlsocket recv send sendto setsockopt socket

Name

.text

Size

205KB

Virtual Size

205KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

512B

Virtual Size

464B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

19KB

Virtual Size

19KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

13KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

13KB

Virtual Size

13KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

6KB

Virtual Size

5KB

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

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

client.exe

kernel32

msvcrt

user32

winhttp

ws2_32

generic