ComMonitor[.]exe | Triage™

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General

Target
ComMonitor.exe
Size 4.2MB
Sample261110-vef9lsbt2n
SHA256 56b401db03d71d72caa6001078d9a3dd00cc6c80faed619a59d3a67c64ddb3c8
MD5 ac9b5b4821abb003cf2c4c6e63d019de
SHA1 68845c52583bb42e4be9083e3cc2857094822f1b
SHA512 8ac8ecc283d580fd45511bda3ffe7a0226c5b0fcce65801e1957b619a649b075c38a6d00bee6dda605c192e913e599ebd7981ce018eca2379d159a5f80d39480
SSDEEP 49152:+TDsLqlWNca1R5q+km3LzPSmYpi+b4BBjHQtDgznmnDmYsHj1sL0o6dmFw1dNi:Y3a9qw6unGmXhawi
TLSH
T1EC168D19A3C80B12C76FD6BDC56B4122D6B1E4630321C7CF2098E9993F93BD2B6B6355
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ComMonitor.exe

File Explorer

ComMonitor.exe

.exe 4.2MB

ComMonitor.exe

IMPHASH 6a91eb82bfd19d2706c7d43c46f7064e
SHA256 56b401db03d71d72caa6001078d9a3dd00cc6c80faed619a59d3a67c64ddb3c8
MD5 ac9b5b4821abb003cf2c4c6e63d019de
SHA1 68845c52583bb42e4be9083e3cc2857094822f1b
SHA512 8ac8ecc283d580fd45511bda3ffe7a0226c5b0fcce65801e1957b619a649b075c38a6d00bee6dda605c192e913e599ebd7981ce018eca2379d159a5f80d39480
SSDEEP 49152:+TDsLqlWNca1R5q+km3LzPSmYpi+b4BBjHQtDgznmnDmYsHj1sL0o6dmFw1dNi:Y3a9qw6unGmXhawi
TLSH
T1EC168D19A3C80B12C76FD6BDC56B4122D6B1E4630321C7CF2098E9993F93BD2B6B6355
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

70496

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

kernel32

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

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW RegGetValueW DeregisterEventSource RegisterEventSourceW ReportEventW RegCloseKey

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

_invalid_parameter_noinfo_noreturn _exit exit _initterm_e _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 _errno abort __p___wargv _c_exit _register_thread_local_exe_atexit_callback terminate __p___argc

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

__acrt_iob_func fputwc __p__commode _set_fmode fputws _wfsopen fflush __stdio_common_vfwprintf __stdio_common_vsnwprintf_s __stdio_common_vswprintf setvbuf

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

calloc _set_new_mode free _callnewh malloc

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

toupper _wcsdup wcsncmp wcsnlen strcpy_s

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

wcstoul _wtoi

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

_gmtime64_s _time64 wcsftime

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

setlocale ___mb_cur_max_func _configthreadlocale ___lc_codepage_func ___lc_locale_name_func __pctype_func _lock_locales _unlock_locales

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

__setusermatherr

Name

.text

Size

90KB

Virtual Size

90KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

37KB

Virtual Size

37KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1024B

Virtual Size

792B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

66KB

Virtual Size

66KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

ComMonitor.exe

kernel32

user32

shell32

advapi32

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

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

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

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

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

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

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

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

generic