opsec_larp[.]exe | Triage™

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General

Target
opsec_larp.exe
Size 164KB
Sample260831-eqgrhsdj4s
SHA256 b6c5389aee4e1df4c4cc6a52def509de99464380a7cabf4ca21a838e05d2ddf2
MD5 a5349c4693a2382a63007a509eae80d1
SHA1 eaf431b7fa31787b055a56445113bbf2c39dbdb0
SHA512 24e75f2b7a80388b7eb507655c48d8f8b62b32dec8dbc87905de2caeb4834a7a1521ef5a9f5ab1655574ddca7fbebc99d1315a4692ea43441112ddfe9ed50f69
SSDEEP 3072:j2UjWfVKLer5BCypfO9D/zLjXEkegZA4nsSbUGaFSe:yotypfO9jro4BUv
TLSH
T1F6F34A07A6A840BEE1B7D679CD924941FB727C5A4B71A6CF13504AB60F737D0AE39302
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
opsec_larp.exe

File Explorer

opsec_larp.exe

.exe 164KB

opsec_larp.exe

IMPHASH 7a8c872f8e13d32f36a675b52eda1d6e
SHA256 b6c5389aee4e1df4c4cc6a52def509de99464380a7cabf4ca21a838e05d2ddf2
MD5 a5349c4693a2382a63007a509eae80d1
SHA1 eaf431b7fa31787b055a56445113bbf2c39dbdb0
SHA512 24e75f2b7a80388b7eb507655c48d8f8b62b32dec8dbc87905de2caeb4834a7a1521ef5a9f5ab1655574ddca7fbebc99d1315a4692ea43441112ddfe9ed50f69
SSDEEP 3072:j2UjWfVKLer5BCypfO9D/zLjXEkegZA4nsSbUGaFSe:yotypfO9jro4BUv
TLSH
T1F6F34A07A6A840BEE1B7D679CD924941FB727C5A4B71A6CF13504AB60F737D0AE39302
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

75232

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

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\artifacts\obj\win-x64.Release\corehost\apphost\standalone\apphost.pdb

shell32

ShellExecuteW

advapi32

RegCloseKey ReportEventW RegisterEventSourceW RegOpenKeyExW RegGetValueW DeregisterEventSource

kernel32

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

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