xmrig | static-Office365[.]exe

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General

Target
static-Office365.exe
Size 12.8MB
Sample260916-yncjkavepb
SHA256 277b73d7981302c0da84c9656c8c5e132929d433aa8485b288ba7c5397b4b469
MD5 0ec6f29b527b138673e3f5a62f1241a6
SHA1 37efc415c8be11a63003b053133a48e2114b229f
SHA512 03aa59fbe80c8ed6fff52769fc785d7ee8b69b91f57faae871d3605a8ac91b5935a3165db87a8113efc20c98b032d637f87211e16b6e4ca4d2b0852c503cbb7a
SSDEEP 98304:ZpbHNdSkaXH7UF5WwKVd9UaBXRHEm9Or7OBfACV/BQiElbUSPLLVIgMosieXlu3p:ZpbHLS3Aa/3DVqm3HZbs85dghzf
TLSH
T191D68D67F1A710ECC56BC1748257A732FA31B8180134BE7F26A4DB712F71E605A6EB24
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

miner xmrig

Malware Config

Signatures

Family: xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 2 IoCs

miner

resource	yara_rule
sample	xmrig
sample	family_xmrig

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
static-Office365.exe

File Explorer

static-Office365.exe

.exe 12.8MB

static-Office365.exe

IMPHASH a6a79b6c748562baa8febe2d10b64c3e
SHA256 277b73d7981302c0da84c9656c8c5e132929d433aa8485b288ba7c5397b4b469
MD5 0ec6f29b527b138673e3f5a62f1241a6
SHA1 37efc415c8be11a63003b053133a48e2114b229f
SHA512 03aa59fbe80c8ed6fff52769fc785d7ee8b69b91f57faae871d3605a8ac91b5935a3165db87a8113efc20c98b032d637f87211e16b6e4ca4d2b0852c503cbb7a
SSDEEP 98304:ZpbHNdSkaXH7UF5WwKVd9UaBXRHEm9Or7OBfACV/BQiElbUSPLLVIgMosieXlu3p:ZpbHLS3Aa/3DVqm3HZbs85dghzf
TLSH
T191D68D67F1A710ECC56BC1748257A732FA31B8180134BE7F26A4DB712F71E605A6EB24
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

XMRig Miner payload

miner
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

5232

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

advapi32

AllocateAndInitializeSid CheckTokenMembership FreeSid RegCloseKey RegOpenKeyExA RegQueryValueExA RegSetValueExA

kernel32

CloseHandle CopyFileA CreateEventA CreateFileMappingW CreateFileW CreateSemaphoreA DeleteCriticalSection DuplicateHandle EnterCriticalSection FileTimeToSystemTime FindResourceW FlushInstructionCache FormatMessageA GetCommandLineW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetExitCodeProcess GetFileSize GetLastError GetModuleFileNameA GetModuleHandleA GetModuleHandleW GetProcAddress GetProcessAffinityMask GetProcessTimes GetSystemTimeAdjustment GetSystemTimeAsFileTime GetTempFileNameW GetTempPathW GetThreadContext GetThreadPriority GetThreadTimes GetTickCount GetTickCount64 InitializeCriticalSection IsProcessorFeaturePresent IsWow64Process LeaveCriticalSection LoadResource LocalFree LockResource MapViewOfFile MultiByteToWideChar OpenProcess OutputDebugStringA QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadProcessMemory ReleaseSemaphore ResetEvent ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetConsoleCtrlHandler SetEvent SetLastError SetProcessAffinityMask SetSystemTime SetThreadContext SetThreadPriority SetUnhandledExceptionFilter SizeofResource Sleep SuspendThread TerminateProcess TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection UnmapViewOfFile VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WideCharToMultiByte Wow64GetThreadContext Wow64SetThreadContext WriteFile WriteProcessMemory

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

atoi mbrtowc mbsrtowcs strtoll strtoul strtoull wcrtomb wcstombs_s

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

__p__environ getenv

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

_fstat64 _lock_file _unlock_file

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

__intrinsic_setjmp longjmp memchr memcmp memcpy memmove strchr strstr wcschr wcsstr

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

__p___argc __p___argv _assert _beginthreadex _cexit _configure_narrow_argv _crt_atexit _endthreadex _errno _exit _initialize_narrow_environment _seh_filter_exe _initterm _initterm_e _set_app_type _set_errno _set_invalid_parameter_handler _wassert abort exit strerror

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

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

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

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

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

_time64 strftime wcsftime

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

rand_s

ntdll

NtClose NtCreateSection NtMapViewOfSection NtOpenFile NtQueryInformationProcess NtResumeProcess NtSetInformationFile NtSuspendProcess NtUnmapViewOfSection NtWriteFile RtlInitUnicodeString

ole32

CoCreateInstance CoInitializeEx CoInitializeSecurity CoSetProxyBlanket CoUninitialize

oleaut32

SysAllocString SysFreeString VariantClear VariantInit

shell32

CommandLineToArgvW SHGetFolderPathA

winhttp

WinHttpCloseHandle WinHttpConnect WinHttpCrackUrl WinHttpOpen WinHttpOpenRequest WinHttpQueryDataAvailable WinHttpQueryHeaders WinHttpReadData WinHttpReceiveResponse WinHttpSendRequest

Name

.text

Size

1.8MB

Virtual Size

1.8MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

397KB

Virtual Size

397KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

512B

Virtual Size

320B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

58KB

Virtual Size

57KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

87KB

Virtual Size

87KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

9KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

32B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

10.4MB

Virtual Size

10.4MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

6KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

static-Office365.exe

advapi32

kernel32

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

ntdll

ole32

oleaut32

shell32

winhttp

generic