stub[.]exe | Triage

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General

Target

stub.exe
Size

710KB
MD5

bf5fcbabc2edf3aa9a853b74395c28fa
SHA1

617b06e80c213488821120e8e13548dac27f5bad
SHA256

32062148ba84ad69900465df7210ae50ba926e4fe7c1018161dcaf46c37674ac
SHA512

c10d2308fae01cd7738d64e3f80a280a07d8057d8864ee22ea5aa616383bc95960aaf33752bc70730331080336e14df8ac6ccf55507dffb843d7e5e5085f9576
SSDEEP

12288:6pilULcLnGlKVqbX4TqwliAheYeJR3Jz2XbcPVPellbrV3rO5OmrsCL:XULOnG0VSPbYeJRZz2QPVylNbO/s

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
stub.exe

Files

stub.exe
.exe windows x64

4a49707939b55b5d9ea27310d90271af

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

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

ntdll

RtlNtStatusToDosError
NtWriteFile

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

strlen
wcsncmp

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

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

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: 27KB - Virtual size: 27KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 344KB - Virtual size: 343KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 333KB - Virtual size: 334KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 408B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4a49707939b55b5d9ea27310d90271af

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: 27KB - Virtual size: 27KB

.rdata Size: 344KB - Virtual size: 343KB

.data Size: 333KB - Virtual size: 334KB

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

_RDATA Size: 512B - Virtual size: 244B

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

.reloc Size: 512B - Virtual size: 408B

.text
Size: 27KB - Virtual size: 27KB

.rdata
Size: 344KB - Virtual size: 343KB

.data
Size: 333KB - Virtual size: 334KB

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

_RDATA
Size: 512B - Virtual size: 244B

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

.reloc
Size: 512B - Virtual size: 408B