fesgfs[.]zip | Triage™

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General

Target
fesgfs.zip
Size 4.0MB
Sample261027-esmesaat9z
SHA256 c83a1bd7641acd9019ac8dd5084daa5068f6456714925a7127ab12e00bfea291
MD5 2b989053720d0f416932e724d44b69bc
SHA1 9931e2dc41333bb1caad5c9ea8d443fb3bfc82bd
SHA512 8d987499e887ec37a89ea4fa4f336731b3d2b5d2406ad0cac05cfa24245f4a0be7f7c230d7e38012faf692c3ee0219c5df4ad78917efd0120fc6fedc1d52dbec
SSDEEP 98304:c39tpxg6OS4zDrpn++9gT15iWVFN5seODgIZ4cQv1sn:cNtvOH5nzi5t7NIVQtsn
TLSH
T1D91633C233E9A982FD45E5F8815371DCC31E63FE8A352CA98258B11BCA744F59E45B31
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Jac-Code-Setup.exe
unpack001/pb8XdZA801zdN1C.exe

File Explorer

fesgfs.zip

.zip 4.0MB
Jac-Code-Setup.exe

.exe 5.4MB
pb8XdZA801zdN1C.exe

.exe 2.7MB

fesgfs.zip

SHA256 c83a1bd7641acd9019ac8dd5084daa5068f6456714925a7127ab12e00bfea291
MD5 2b989053720d0f416932e724d44b69bc
SHA1 9931e2dc41333bb1caad5c9ea8d443fb3bfc82bd
SHA512 8d987499e887ec37a89ea4fa4f336731b3d2b5d2406ad0cac05cfa24245f4a0be7f7c230d7e38012faf692c3ee0219c5df4ad78917efd0120fc6fedc1d52dbec
SSDEEP 98304:c39tpxg6OS4zDrpn++9gT15iWVFN5seODgIZ4cQv1sn:cNtvOH5nzi5t7NIVQtsn
TLSH
T1D91633C233E9A982FD45E5F8815371DCC31E63FE8A352CA98258B11BCA744F59E45B31
MD5 SHA1 SHA512 SSDEEP TLSH

Jac-Code-Setup.exe

SHA256 460317923277cfa8af4973027afed29979dddb55336d08dfd656326810ce8439
MD5 46751cf1c7500c3826dcc7b278290cf8
SHA1 58dff9c9c3489457270bc443fe8868e94eec8240
SHA512 4e8735f0a45de087b7b0b32962f46fac62ac48b65c5ccf19277d357d1e81cfec5558e7e8dcd9099321b3ecd3a1c12e6ff0e54b192906e8570c0a397d24b43711
SSDEEP 98304:oagzHLAR2PDSo1BBAThFJjA2gD7uEoyeVCb4MABph:iNPDSEBAThFJjin0CFAPh
TLSH
T16F468C1933FC6E27D56FE776D1B095126BF5F86AB363EB0B2182D2A54C12B105C423A3
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

%!f(<nil>)

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

pb8XdZA801zdN1C.exe

IMPHASH 53e4e12437621212a425d294842d0a96
SHA256 9dbb961b74b4602458e852201a044648e4237c2dd5f8dc121e0fd699363fb253
MD5 c0fe230f339d7a23bae0f4d8a982d2ff
SHA1 7303cb0b3c14fbeea7b3f09348e33c78cb218511
SHA512 72d9d004a2a952b85de19e681ec4df497102d3f8f57459e0b4762167ebdf2c010881be2a03d78fc7b440cc5fcbf4754bcb61c49c4b30c96c0599843846a58ff9
SSDEEP 49152:Abd6YxgDKsZbUtVuLEqOM+meoOB7jX/k8f:Ax6YxWKsZbUtQgH
TLSH
T144D57C0773E88FA5D36F1735E4E214484BF0B6162663E78FED4622EA2C123D19E46793
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

80800

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_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

D:\a\_work\1\s\src\runtime\artifacts\obj\win-x64.Release\corehost\apphost\standalone\apphost.pdb

shell32

ShellExecuteW

advapi32

RegCloseKey ReportEventW RegisterEventSourceW RegOpenKeyExW RegGetValueW DeregisterEventSource

kernel32

TlsFree CreateActCtxW ActivateActCtx GetLastError FindResourceW GetWindowsDirectoryW GetProcAddress GetModuleHandleW FreeLibrary LoadLibraryExW FindFirstFileExW EnterCriticalSection GetFullPathNameW FindNextFileW GetCurrentProcess GetStdHandle GetModuleHandleExW GetModuleFileNameW LeaveCriticalSection GetEnvironmentVariableW FindClose GetFileAttributesW MultiByteToWideChar GetConsoleMode GetFileAttributesExW LoadLibraryA WriteConsoleW DeleteCriticalSection WideCharToMultiByte IsWow64Process OutputDebugStringW GetCurrentProcessId TlsSetValue TlsGetValue TlsAlloc InitializeCriticalSectionAndSpinCount SetLastError RaiseException RtlPcToFileHeader RtlUnwindEx InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent TerminateProcess SetUnhandledExceptionFilter UnhandledExceptionFilter RtlVirtualUnwind RtlLookupFunctionEntry RtlCaptureContext GetStringTypeW SwitchToThread GetCurrentThreadId InitializeCriticalSectionEx EncodePointer DecodePointer LCMapStringEx QueryPerformanceCounter GetSystemTimeAsFileTime

user32

MessageBoxW

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

terminate _register_thread_local_exe_atexit_callback _c_exit __p___wargv __p___argc _exit exit _initterm_e _errno _initterm _get_initial_wide_environment _initialize_wide_environment _configure_wide_argv _set_app_type _seh_filter_exe _cexit _crt_atexit _register_onexit_function _initialize_onexit_table abort _invoke_watson

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

_set_new_mode calloc malloc _callnewh free

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

_time64 _gmtime64_s wcsftime

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

__stdio_common_vfwprintf __p__commode fputwc __acrt_iob_func __stdio_common_vswprintf _set_fmode _wfsopen fflush setvbuf __stdio_common_vsnwprintf_s

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

_create_locale ___mb_cur_max_func ___lc_codepage_func ___lc_locale_name_func __pctype_func _configthreadlocale setlocale _lock_locales _free_locale _unlock_locales

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

strlen strcmp wcsncmp toupper strcpy_s _wcsdup wcsnlen

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

_wtoi wcstoul

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

__setusermatherr