BK788469[.]exe | Triage™

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General

Target
BK788469.exe
Size 277KB
Sample260731-sbmacaverb
SHA256 600fd59a6114e08606f4bbc881c1c156193ff01371e1144a05ca787d365e067d
MD5 d712be26fe4bbd0ee1fc9156ea74b705
SHA1 0d73d709f61dcd7d58984dd154c50b925049689c
SHA512 cf5fbb98d408768300e56b6ae809af0dfd4366c47e95ee9e40602ed4827b6f6b4b76cda089ba7561d64bf38bdc64025c9f057e92854808f0b5cf790c1e19868e
SSDEEP 3072:cHg0HbTE/QaJkcHVqJr3NPAG0geM4tO/URydJ/28S2sQdJ1:cHgETakcMJrJ3H4cdJ/B/dJ
TLSH
T1CD547369EF48AC5AD4FB98FB78112A3ED0D0543787F079EA84C2097D5A0885F17FAD90
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
BK788469.exe

File Explorer

BK788469.exe

.exe 277KB

BK788469.exe

IMPHASH a4b6231fae7f0ff5cd8420656357e7cf
SHA256 600fd59a6114e08606f4bbc881c1c156193ff01371e1144a05ca787d365e067d
MD5 d712be26fe4bbd0ee1fc9156ea74b705
SHA1 0d73d709f61dcd7d58984dd154c50b925049689c
SHA512 cf5fbb98d408768300e56b6ae809af0dfd4366c47e95ee9e40602ed4827b6f6b4b76cda089ba7561d64bf38bdc64025c9f057e92854808f0b5cf790c1e19868e
SSDEEP 3072:cHg0HbTE/QaJkcHVqJr3NPAG0geM4tO/URydJ/28S2sQdJ1:cHgETakcMJrJ3H4cdJ/B/dJ
TLSH
T1CD547369EF48AC5AD4FB98FB78112A3ED0D0543787F079EA84C2097D5A0885F17FAD90
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

231172

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

crypt32

CryptStringToBinaryA

msvcp140

?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ ??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z ??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ ??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ ?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ ?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ ?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ ?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ ?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z ?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z ?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z ?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ ?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z ??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ ?_Xbad_alloc@std@@YAXXZ ?_Random_device@std@@YAIXZ ?_Xlength_error@std@@YAXPEBD@Z ?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z ?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z ??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ ?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ ?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ ?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ ??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ

dxgi

CreateDXGIFactory

wininet

InternetOpenA

vcruntime140

memcpy __current_exception_context __current_exception _CxxThrowException __C_specific_handler memset __std_exception_destroy memcmp __std_exception_copy memmove

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

free _callnewh malloc _set_new_mode

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

rand srand

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

_c_exit _invoke_watson _initterm_e _initterm _get_narrow_winmain_command_line _exit terminate exit _register_thread_local_exe_atexit_callback _seh_filter_exe _set_app_type _cexit _crt_atexit _register_onexit_function _initialize_onexit_table _initialize_narrow_environment _configure_narrow_argv

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

wcstombs

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

_time64

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

isspace

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

__setusermatherr

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

__p__commode _set_fmode

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

_configthreadlocale

kernel32

AcquireSRWLockExclusive WakeAllConditionVariable SleepConditionVariableSRW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind IsDebuggerPresent UnhandledExceptionFilter SetUnhandledExceptionFilter GetStartupInfoW IsProcessorFeaturePresent GetModuleHandleW QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead GetCurrentProcess TerminateProcess ReleaseSRWLockExclusive

vcruntime140_1

__CxxFrameHandler4