rock[.]exe | Triage™

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General

Target
rock.exe
Size 128KB
Sample260930-pdfnsstyg1
SHA256 00a67c916dd759c9c2cc2e36d1e2d2e210476656457d2d807d35f15c3e5afe48
MD5 d327a20bca8115f79902e719c6365b7b
SHA1 7cc4e601f48f0e5b2b3f9a196687b5914398b7a3
SHA512 ee891f203a185d322b1292683119ee5855c23e3e277a27334fa40b2792325213eeba5ea0d9ff240e439d3cf22dca10622b135fe29e488dd5c55d7a75b8b3e0b5
SSDEEP 3072:JqWFP8Q2VQiMmY5M8rcRSkcw6bcJP5L5RJX4VJX4Ny7coC3:JqsthbcJP5L5PX4rX47oC3
TLSH
T116D3B4F1B7D69CC5E936A27856D6D222373CFAE086238707922015351F13ED13EEA6C6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
rock.exe

File Explorer

rock.exe

.exe 128KB

rock.exe

IMPHASH 75d7aecaac2f76c8da88ab85fb297107
SHA256 00a67c916dd759c9c2cc2e36d1e2d2e210476656457d2d807d35f15c3e5afe48
MD5 d327a20bca8115f79902e719c6365b7b
SHA1 7cc4e601f48f0e5b2b3f9a196687b5914398b7a3
SHA512 ee891f203a185d322b1292683119ee5855c23e3e277a27334fa40b2792325213eeba5ea0d9ff240e439d3cf22dca10622b135fe29e488dd5c55d7a75b8b3e0b5
SSDEEP 3072:JqWFP8Q2VQiMmY5M8rcRSkcw6bcJP5L5RJX4VJX4Ny7coC3:JqsthbcJP5L5PX4rX47oC3
TLSH
T116D3B4F1B7D69CC5E936A27856D6D222373CFAE086238707922015351F13ED13EEA6C6
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

4144

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_LARGE_ADDRESS_AWARE

PDB paths

advapi32

GetTokenInformation OpenProcessToken

gdi32

BitBlt CreateCompatibleBitmap CreateCompatibleDC CreateFontA CreateSolidBrush DeleteObject GetPixel GetStockObject GetTextExtentPoint32A SelectObject SetBkMode SetPixel SetTextColor TextOutA

kernel32

CloseHandle CreateFileA CreateThread CreateToolhelp32Snapshot DeleteCriticalSection EnterCriticalSection FindClose FindFirstFileA FindNextFileA FreeLibrary GetCurrentProcess GetLastError GetModuleFileNameA GetModuleHandleA GetProcAddress GetStartupInfoA GetTickCount InitializeCriticalSection IsDBCSLeadByte LeaveCriticalSection LoadLibraryA OpenProcess Process32First Process32Next SetFileAttributesA SetFilePointer SetFilePointerEx SetUnhandledExceptionFilter Sleep TerminateProcess TlsGetValue VirtualProtect VirtualQuery WriteFile

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

mbrtowc wcrtomb

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

__p__environ

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

_set_new_mode calloc free malloc

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

_configthreadlocale localeconv

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

__setusermatherr exp fmod sin

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

__C_specific_handler memcpy

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

__p___argc __p___argv __p__acmdln _cexit _configure_narrow_argv _crt_atexit _errno _exit _initialize_narrow_environment _set_app_type _initterm _initterm_e _set_invalid_parameter_handler abort exit signal strerror system

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

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf fflush fputc setvbuf

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

_stricmp memset strlen strncmp strnlen wcslen wcsnlen

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

rand srand

shell32

ShellExecuteExA

user32

CallNextHookEx CreateWindowExA DefWindowProcA DispatchMessageA FillRect FindWindowA GetAsyncKeyState GetDC GetSystemMetrics MessageBoxA PeekMessageA RegisterClassA SetWindowPos SetWindowsHookExA ShowCursor ShowWindow TranslateMessage

winmm

PlaySoundA

Name

.text

Size

44KB

Virtual Size

44KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

512B

Virtual Size

272B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

6KB

Virtual Size

6KB

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

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

2KB

Virtual Size

1KB

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

5KB

Virtual Size

5KB

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

1024B

Virtual Size

688B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

512B

Virtual Size

148B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/14

Size

512B

Virtual Size

80B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/29

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/41

Size

512B

Virtual Size

202B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/55

Size

512B

Virtual Size

164B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/67

Size

512B

Virtual Size

72B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/80

Size

512B

Virtual Size

134B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/91

Size

512B

Virtual Size

408B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

rock.exe

advapi32

gdi32

kernel32

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

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

shell32

user32

winmm

generic