stub[.]exe | Triage

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General

Target

stub.exe
Size

3.1MB
MD5

411fc06b1aa73bbc71cc45693803ea3d
SHA1

cd0b5e20c5cff7407fc4215ab1de6dc8b04a0c0a
SHA256

d5b03d0cf25d45b11ab9fd94bad3aad4a166a598182b10acfff08865ab252a4e
SHA512

d81032c80a8054ad38246a6fe46fcd554229853ea9e380614115ca39b5a75b0a414de745b6f82ff954a145867037867f16d5e5c176acd6411b15783929c0136a
SSDEEP

49152:qWCSvEvxd11LIf/brjNFDQ1IhZnHLROQ/8OxIdOiXHGi3/tL7HsGwLTfQ:qWCSsfUrHDQAHLIQEOC0iXHGi3p7HoT

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
stub.exe

Files

stub.exe
.exe windows x86

a5900ba8d5867febeea631f5f07a7fc5

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

ntdll

RtlCaptureContext
NtAllocateVirtualMemory

kernel32

TerminateProcess
GetModuleHandleW
IsProcessorFeaturePresent
HeapFree
GetProcAddress
GetCurrentProcess
AddVectoredExceptionHandler
SetThreadStackGuarantee
GetLastError
GetCurrentThread
HeapAlloc
GetProcessHeap
HeapReAlloc
LoadLibraryA
GetModuleHandleA
TlsGetValue
TlsSetValue
CloseHandle
InitOnceBeginInitialize
TlsAlloc
InitOnceComplete
TlsFree
TryAcquireSRWLockExclusive
ReleaseSRWLockExclusive
GetStdHandle
GetConsoleMode
WaitForSingleObject
WriteConsoleW
SetLastError
WaitForSingleObjectEx
CreateMutexA
ReleaseMutex
GetEnvironmentVariableW
GetCurrentDirectoryW
AcquireSRWLockExclusive
AcquireSRWLockShared
ReleaseSRWLockShared
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
QueryPerformanceCounter

vcruntime140

_except_handler4_common
__current_exception
__CxxFrameHandler3
memmove
memcmp
memset
memcpy
__current_exception_context

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

strlen

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

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

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

_set_new_mode
free

Sections

.text
Size: 97KB - Virtual size: 97KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 3.0MB - Virtual size: 3.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a5900ba8d5867febeea631f5f07a7fc5

Headers

DLL Characteristics

File Characteristics

Imports

ntdll

kernel32

vcruntime140

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: 97KB - Virtual size: 97KB

.rdata Size: 3.0MB - Virtual size: 3.0MB

.data Size: 512B - Virtual size: 1KB

.reloc Size: 4KB - Virtual size: 4KB

.text
Size: 97KB - Virtual size: 97KB

.rdata
Size: 3.0MB - Virtual size: 3.0MB

.data
Size: 512B - Virtual size: 1KB

.reloc
Size: 4KB - Virtual size: 4KB