stub[.]exe | Triage

Resubmissions

19/05/2023, 17:34

230519-v5t86afa49 3

19/05/2023, 17:33

230519-v5czwafa45 3

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General

Target

stub.exe
Size

2.0MB
MD5

850cd8dcd1af3a1770734128a5dd636e
SHA1

2aff2750374aa0cb1399979b6cc7257aa0a133a3
SHA256

9aacd53e322b78fb1203cb76668388f1f1f4a009ee74f5c5938cef69c566c2de
SHA512

4b3b55cb0f42e9221c72917b4d3de5ca4e27be930132f212240eb141da665af302b21a8ef505bf024eabdd8647ca8af1587fbcfaeebed7ee70c40ac0846571a3
SSDEEP

49152:wTFTWvE/9m5zXX46BpZukx9bFK+xT8ISF:wNh9EzXXjBpZuIaGIl

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
stub.exe

Files

stub.exe
.exe windows x86

4f5d869393c0e7b9ca6bc8d77512658b

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

SetLastError
TlsFree
InitOnceComplete
TlsAlloc
InitOnceBeginInitialize
Sleep
HeapReAlloc
ReleaseSRWLockExclusive
CloseHandle
QueryPerformanceCounter
MultiByteToWideChar
WaitForSingleObject
GetConsoleMode
GetStdHandle
TlsSetValue
GetCurrentThread
HeapFree
QueryPerformanceFrequency
TlsGetValue
GetLastError
HeapAlloc
SetThreadStackGuarantee
LoadLibraryExW
FreeLibrary
AcquireSRWLockExclusive
InitializeCriticalSectionAndSpinCount
GetProcAddress
WriteConsoleW
GetModuleHandleA
AddVectoredExceptionHandler
GetProcessHeap
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetModuleHandleW
GetCurrentProcess
TerminateProcess
RtlUnwind
DeleteCriticalSection

ntdll

RtlNtStatusToDosError
NtWriteFile

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

strlen
wcsncmp

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

abort
terminate
_controlfp_s
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
__p___argv
__p___argc
_get_initial_narrow_environment
exit
_initterm_e
_initterm
_initialize_narrow_environment
_configure_narrow_argv
_exit
_set_app_type
_seh_filter_exe

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

__setusermatherr

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

__p__commode
_set_fmode

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

_configthreadlocale

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

calloc
free
_set_new_mode

Sections

.text
Size: 31KB - Virtual size: 30KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1019KB - Virtual size: 1020KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

4f5d869393c0e7b9ca6bc8d77512658b

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ntdll

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

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

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

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

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

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

Sections

.text Size: 31KB - Virtual size: 30KB

.rdata Size: 1.0MB - Virtual size: 1.0MB

.data Size: 1019KB - Virtual size: 1020KB

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 31KB - Virtual size: 30KB

.rdata
Size: 1.0MB - Virtual size: 1.0MB

.data
Size: 1019KB - Virtual size: 1020KB

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 2KB - Virtual size: 1KB