loader[.]exe | Triage™

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General

Target
loader.exe
Size 12.4MB
Sample261011-e343ksez91
SHA256 cf8c8a033e8919ea73083cb78368df1cef6b79e10d1fd19c430232d5395932d5
MD5 de3d9578e5e4dee9649070f303c7f70b
SHA1 87703ad1b043f74e0d3ce786b8c9d691fd975fbe
SHA512 2c0d074048071e9f92c039dbb3d0a9ec58f07430148834902230c77ed640948c5b77d170dc0305ee847065115f29bd5a3a7b52a90f9e53ffddb0d825353f38a8
SSDEEP 196608:BHCRZBBjOkwcMsaPZZ1vKhZpft/Mp5wexlY:iJMsaP+ZpVqwyY
TLSH
T180D64B4777874DEACCC22BB8A59F233C9730ED325E590B2BAA4C81355D532DCAD1AB50
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
loader.exe

File Explorer

loader.exe

.exe 12.4MB

loader.exe

IMPHASH 6aa6434efb31fd3a759abbe05121ac33
SHA256 cf8c8a033e8919ea73083cb78368df1cef6b79e10d1fd19c430232d5395932d5
MD5 de3d9578e5e4dee9649070f303c7f70b
SHA1 87703ad1b043f74e0d3ce786b8c9d691fd975fbe
SHA512 2c0d074048071e9f92c039dbb3d0a9ec58f07430148834902230c77ed640948c5b77d170dc0305ee847065115f29bd5a3a7b52a90f9e53ffddb0d825353f38a8
SSDEEP 196608:BHCRZBBjOkwcMsaPZZ1vKhZpft/Mp5wexlY:iJMsaP+ZpVqwyY
TLSH
T180D64B4777874DEACCC22BB8A59F233C9730ED325E590B2BAA4C81355D532DCAD1AB50
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

5184

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

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_LARGE_ADDRESS_AWARE

PDB paths

kernel32

CloseHandle CreateEventA CreateRemoteThread CreateSemaphoreA CreateToolhelp32Snapshot DeleteCriticalSection DuplicateHandle EnterCriticalSection FileTimeToSystemTime FormatMessageA FreeLibrary GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetLastError GetModuleFileNameA GetModuleHandleA GetProcAddress GetProcessAffinityMask GetProcessTimes GetSystemTimeAdjustment GetSystemTimeAsFileTime GetThreadContext GetThreadPriority GetThreadTimes GetTickCount InitializeCriticalSection LeaveCriticalSection LoadLibraryA LocalFree OpenProcess OutputDebugStringA Process32First Process32Next QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReleaseSemaphore ResetEvent ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetEvent SetLastError SetProcessAffinityMask SetSystemTime SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection VirtualAllocEx VirtualFreeEx VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WriteProcessMemory __C_specific_handler

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

mbrtowc mbsrtowcs strtoul wcrtomb

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

__p__environ getenv

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

_fstat64

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

longjmp memchr memcmp memcpy memmove strchr __intrinsic_setjmp

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

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

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

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

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

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

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

strftime wcsftime

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

rand_s

Name

.text

Size

796KB

Virtual Size

796KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

12KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

68KB

Virtual Size

67KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

48KB

Virtual Size

47KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

65KB

Virtual Size

64KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

6KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

1KB

Virtual Size

1KB

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

Name

/14

Size

64KB

Virtual Size

63KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/29

Size

5.7MB

Virtual Size

5.7MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/41

Size

229KB

Virtual Size

229KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/55

Size

1002KB

Virtual Size

1001KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/67

Size

254KB

Virtual Size

254KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/80

Size

75KB

Virtual Size

74KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/91

Size

117KB

Virtual Size

117KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/107

Size

1.7MB

Virtual Size

1.7MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/123

Size

329KB

Virtual Size

328KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

loader.exe

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

generic