tommy_nulls[.]exe | Triage™

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General

Target
tommy_nulls.exe
Size 2.5MB
Sample260802-rnxfeabc64
SHA256 965c989d6a19dba85626064902729ba592078ca5cbe9caceef5daa1f30062097
MD5 4593668b197c0230bef3fdd302834e57
SHA1 580bc5e0d0ce9d20792f43624bdf5a9c64887ec7
SHA512 4340b4730d22367ebe208dfcb33e6198cbba43dc3a845ef662e19beab9dbc2ddae930fd5606d3120dfbfbe00366cfea0e354c884a159f8c6c933592a4d3e0cff
SSDEEP 49152:nTlfhIBrDeJpWVx5HWQKdKv+xQpoEBVLJHe:T+OJpWVx5j0QpoEBVLJHe
TLSH
T143C5E74369DB0DE9DED677BCA1C35335A774FD318A291F2BAA08C23169536C4AD1EB00
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
tommy_nulls.exe

File Explorer

tommy_nulls.exe

.exe 2.5MB

tommy_nulls.exe

IMPHASH 7c8eb3ce1d1f2ef0cbdcba4f2c77eaef
SHA256 965c989d6a19dba85626064902729ba592078ca5cbe9caceef5daa1f30062097
MD5 4593668b197c0230bef3fdd302834e57
SHA1 580bc5e0d0ce9d20792f43624bdf5a9c64887ec7
SHA512 4340b4730d22367ebe208dfcb33e6198cbba43dc3a845ef662e19beab9dbc2ddae930fd5606d3120dfbfbe00366cfea0e354c884a159f8c6c933592a4d3e0cff
SSDEEP 49152:nTlfhIBrDeJpWVx5HWQKdKv+xQpoEBVLJHe:T+OJpWVx5j0QpoEBVLJHe
TLSH
T143C5E74369DB0DE9DED677BCA1C35335A774FD318A291F2BAA08C23169536C4AD1EB00
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

4389

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

AddVectoredExceptionHandler CloseHandle CreateEventA CreateSemaphoreA DeleteCriticalSection DuplicateHandle EnterCriticalSection FormatMessageA FreeLibrary GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetHandleInformation GetLastError GetModuleHandleA GetProcAddress GetProcessAffinityMask GetSystemTimeAsFileTime GetThreadContext GetThreadPriority GetTickCount64 InitializeCriticalSection IsDebuggerPresent LeaveCriticalSection LoadLibraryA LocalFree MultiByteToWideChar OpenProcess OutputDebugStringA RaiseException ReleaseSemaphore RemoveVectoredExceptionHandler ResetEvent ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetConsoleTitleW SetEvent SetLastError SetProcessAffinityMask SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WideCharToMultiByte

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

_ultoa mbrtowc strtoul wcrtomb

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

__p__environ __p__wenviron 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

___lc_codepage_func ___mb_cur_max_func localeconv setlocale

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

__setusermatherr _fdopen

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

__C_specific_handler __intrinsic_setjmpex longjmp memchr memcmp memcpy memmove strchr

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

__p___argc __p___argv __p___wargv _beginthreadex _cexit _configure_narrow_argv _configure_wide_argv _crt_at_quick_exit _crt_atexit _endthreadex _errno _exit _initialize_narrow_environment _initialize_wide_environment _initterm _set_app_type _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_vfwprintf __stdio_common_vsprintf __stdio_common_vswprintf _fileno _fseeki64 _ftelli64 _lseeki64 _read _wfopen _write fclose fflush fgetwc 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 strxfrm towlower towupper wcscoll wcslen wcsxfrm

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

__daylight __timezone __tzname _tzset strftime wcsftime

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

rand_s

user32

CallNextHookEx DispatchMessageA GetMessageA MapVirtualKeyA PostQuitMessage SendInput SetWindowsHookExA TranslateMessage UnhookWindowsHookEx

Name

.text

Size

763KB

Virtual Size

763KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA 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

74KB

Virtual Size

74KB

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

48KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

67KB

Virtual Size

66KB

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

7KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

512B

Virtual Size

104B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

6KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/14

Size

512B

Virtual Size

208B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/29

Size

18KB

Virtual Size

17KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/41

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/55

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/67

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/80

Size

512B

Virtual Size

206B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/91

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/107

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/123

Size

512B

Virtual Size

264B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

tommy_nulls.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

user32

generic