stub[.]exe | Triage

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General

Target

stub.exe
Size

114KB
MD5

a12901ce3f94a80cba16aae21aa8bd61
SHA1

d5e65d2f092e77c05986341a039c3c1bcac63ec9
SHA256

1bbcd60acad5466976d1dfeac52bef882e2973b4e901f626b315e7be37f0ff8a
SHA512

4f88f2b3dfb14f12b72aaa4aacd059cbfaafc0bf48f0f9e31e4e177c8906520d652915fb68f56b1799922153e28002b0a4309297401a97ed012a242c93fe7528
SSDEEP

3072:KMPRh0N0mSudvry8GEJyJJqSUX/TiBisMC9Cp+h:1PRh0N0mZv28GktbOMdp+

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: 49KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 29KB - Virtual size: 29KB

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

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: 49KB - Virtual size: 49KB

.data Size: 29KB - Virtual size: 29KB

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

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

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

.rdata
Size: 49KB - Virtual size: 49KB

.data
Size: 29KB - Virtual size: 29KB

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

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