loader[.]exe | Triage™

Sharing

Copy URL Twitter E-mail

General

Target
loader.exe
Size 33KB
Sample260823-afb13agg89
SHA256 c761f18e13595c727af11f7440e2f031f486a8dd4fac2cfba9082b2deca9b0c4
MD5 148dc08d5217bf62d9e8c9e3ad5c7735
SHA1 906bee5f7dd5ad0aea9760b8087a1b205a13c25b
SHA512 357ac9764a991ab8019cc824a6353bebcfe8f5eae0fde22139fe2ed68a8d48d6cade7fc8ef7d63ff16b2a5b6ee66cff19a710a723e6e26727ae0146d04bfda44
SSDEEP 768:0sET7RmJuQ6ZzEG1o9IoZyiDsR/etEdFt8BjhBB:A9mJuVZ4aoTZyiDshetEdFtg
TLSH
T1EFF2098F738398EDC51AD178E4F78371E5B0FC6219345B3E4260D2361E38A949A7CA4B
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 33KB

loader.exe

IMPHASH 5bc1f92553db87abc7e80b318be16e50
SHA256 c761f18e13595c727af11f7440e2f031f486a8dd4fac2cfba9082b2deca9b0c4
MD5 148dc08d5217bf62d9e8c9e3ad5c7735
SHA1 906bee5f7dd5ad0aea9760b8087a1b205a13c25b
SHA512 357ac9764a991ab8019cc824a6353bebcfe8f5eae0fde22139fe2ed68a8d48d6cade7fc8ef7d63ff16b2a5b6ee66cff19a710a723e6e26727ae0146d04bfda44
SSDEEP 768:0sET7RmJuQ6ZzEG1o9IoZyiDsR/etEdFt8BjhBB:A9mJuVZ4aoTZyiDshetEdFtg
TLSH
T1EFF2098F738398EDC51AD178E4F78371E5B0FC6219345B3E4260D2361E38A949A7CA4B
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

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_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

advapi32

RegCloseKey RegCreateKeyExA RegSetValueExA

kernel32

CloseHandle CreateFileA DeleteCriticalSection DeleteFileA EnterCriticalSection FreeLibrary GetLastError GetModuleHandleA GetProcAddress InitializeCriticalSection LeaveCriticalSection LoadLibraryA SetUnhandledExceptionFilter Sleep TlsGetValue VirtualProtect VirtualQuery WriteFile

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

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

__setusermatherr

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

__C_specific_handler memcpy

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

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

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

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf __stdio_common_vsprintf fflush puts setvbuf

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

strlen strncmp

winspool.drv

ClosePrinter OpenPrinterA

Name

.text

Size

8KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

14KB

Virtual Size

14KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

4KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.eh_fram

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

1024B

Virtual Size

636B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

512B

Virtual Size

512B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

480B

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

3KB

Virtual Size

2KB

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

.reloc

Size

512B

Virtual Size

96B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

loader.exe

advapi32

kernel32

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

winspool.drv

generic