lnuker[.]exe | Triage

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General

Target

lnuker.exe
Size

15KB
MD5

f8c228bc5408878427c522ca1a222dd1
SHA1

3e01c4b36b5f3c89c0f09735e3e6a8b0e3e016a4
SHA256

9b32e5d4a76cb6db0aa1c04eb648a3c72d1f048f02b8b058dc9fff5369b5e5d6
SHA512

e155c97bdf61a46f7fdff2b04cc687d0e63381bf139128df59826f420ad25e7d28e99e5cd5d2915b29e10d29d9077cf5ef0d8ad53338c6eb3f25da0256780199
SSDEEP

192:b0OqIgJRQyFlKOe5QGA2MOUjdGEOfU/wXcmGkcW5tff+9sJlq1l+06n:b0rQyF9NGA2Vw4UozRcejwc

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
lnuker.exe

Files

lnuker.exe
.exe windows:6 windows x64 arch:x64

317267c6ada9ddd131e0652533ad75b4

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

python310

Py_Finalize
Py_SetProgramName
Py_NoSiteFlag
PyImport_ImportModule
Py_Initialize
Py_IsInitialized
PyObject_GetAttrString
PySys_SetArgvEx
PyObject_CallObject
PyMem_RawFree
PyErr_Print
_Py_FatalErrorFunc
PyMem_RawMalloc
_Py_Dealloc
Py_IgnoreEnvironmentFlag
Py_FrozenFlag
Py_SetPath

kernel32

GetCurrentThreadId
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
LoadLibraryExW
GetModuleFileNameW
GetModuleHandleW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentProcess
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
AddDllDirectory

vcruntime140

__C_specific_handler
memcpy
__current_exception_context
memset
__current_exception
wcsrchr

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

_set_fmode
__stdio_common_vfprintf
__acrt_iob_func
__stdio_common_vswprintf
__p__commode

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

_initialize_onexit_table
_register_onexit_function
_crt_atexit
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
__p___wargv
__p___argc
_exit
_seh_filter_exe
_set_app_type
terminate
_configure_wide_argv
_initialize_wide_environment
_get_initial_wide_environment
_initterm
_initterm_e
exit

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

__setusermatherr

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

_configthreadlocale

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

_set_new_mode

Sections

.text
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 444B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

317267c6ada9ddd131e0652533ad75b4

Headers

DLL Characteristics

File Characteristics

Imports

python310

kernel32

vcruntime140

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

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

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

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

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

Sections

.text Size: 5KB - Virtual size: 4KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 512B - Virtual size: 3KB

.pdata Size: 512B - Virtual size: 444B

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

.reloc Size: 512B - Virtual size: 48B

.text
Size: 5KB - Virtual size: 4KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 512B - Virtual size: 3KB

.pdata
Size: 512B - Virtual size: 444B

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

.reloc
Size: 512B - Virtual size: 48B