chat_app[.]exe | Triage™

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General

Target
chat_app.exe
Size 996KB
Sample260804-23a6tsserc
SHA256 e97de4ca73cc344eada85f028768a094fe36a5a585d7b1f31dd4111a6b63c098
MD5 792c2e8d674219973f32821e315c682f
SHA1 175e5e3f639819aeffea56142718ba8ac022cef5
SHA512 260a233af0635b410a6618d98b0a554b07838f2797b72db21962134fc1472b4283a9bcdf052acd1b35f5251bac7a1681605f8206cef98728643a7ac99bfff2a9
SSDEEP 12288:zI1GOBy6NgEST5SoE1wj0B4BMFikhd6L3LqW42DCmNOACs:zixBNgEST5STwC4WFikWLP42DB
TLSH
T1B2251B57E2A344FCC56BC17486A39772BA70B45942347E6E1E94D7322F21E609F2EB30
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
chat_app.exe

File Explorer

chat_app.exe

.exe 996KB

chat_app.exe

IMPHASH 3612e5decfb7273a43298488a2a221bb
SHA256 e97de4ca73cc344eada85f028768a094fe36a5a585d7b1f31dd4111a6b63c098
MD5 792c2e8d674219973f32821e315c682f
SHA1 175e5e3f639819aeffea56142718ba8ac022cef5
SHA512 260a233af0635b410a6618d98b0a554b07838f2797b72db21962134fc1472b4283a9bcdf052acd1b35f5251bac7a1681605f8206cef98728643a7ac99bfff2a9
SSDEEP 12288:zI1GOBy6NgEST5SoE1wj0B4BMFikhd6L3LqW42DCmNOACs:zixBNgEST5STwC4WFikWLP42DB
TLSH
T1B2251B57E2A344FCC56BC17486A39772BA70B45942347E6E1E94D7322F21E609F2EB30
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

5152

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

CloseHandle CreateEventA CreateSemaphoreA DeleteCriticalSection DuplicateHandle EnterCriticalSection FormatMessageA FreeLibrary GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetFileAttributesA GetLastError GetModuleHandleA GetProcAddress GetProcessAffinityMask GetStdHandle GetSystemTimeAsFileTime GetTempPathA GetThreadContext GetThreadPriority GetTickCount InitializeCriticalSection LeaveCriticalSection LoadLibraryA LocalFree OpenProcess OutputDebugStringA QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReleaseSemaphore ResetEvent ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetConsoleTextAttribute SetEvent SetLastError SetProcessAffinityMask SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject

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

_getch

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

mbrtowc mbsrtowcs strtoul wcrtomb

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

__p__environ getenv

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

_fstat64

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

_set_new_mode calloc free malloc realloc

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

___mb_cur_max_func _configthreadlocale localeconv setlocale

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

__setusermatherr _fdopen

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

__C_specific_handler longjmp memchr memcmp memcpy memmove strchr __intrinsic_setjmp

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

_set_app_type _assert __p___argc __p___argv _beginthreadex _cexit _configure_narrow_argv _crt_atexit _endthreadex _errno _exit _initialize_narrow_environment _initterm _initterm_e _set_invalid_parameter_handler abort exit signal strerror system

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

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf __stdio_common_vsprintf _get_osfhandle _setmode _wfopen fclose fflush fputc fputs fread fwrite getc getwc putc putwc setvbuf ungetc ungetwc fopen _write _read _lseeki64 _ftelli64 _fseeki64 _fileno

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

iswctype memset strcmp strcoll strlen strncmp strnlen strxfrm towlower towupper wcscoll wcslen wcsnlen wcsxfrm wctype _strdup

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

strftime wcsftime

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

rand_s

ws2_32

WSACleanup WSAGetLastError WSAStartup closesocket connect htons inet_pton recv send socket

Name

.text

Size

796KB

Virtual Size

795KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

13KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

60KB

Virtual Size

59KB

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

48KB

Virtual Size

47KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

65KB

Virtual Size

65KB

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

6KB

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

.reloc

Size

5KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

chat_app.exe

kernel32

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

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-time-l1-1-0

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

ws2_32

generic