Static task
static1
Behavioral task
behavioral1
Sample
CompPkgSrv.exe
Resource
win10v2004-20231023-en
General
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Target
CompPkgSrv.exe
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Size
144KB
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MD5
a3579b5f80f07ff5eba1b54e926e3a37
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SHA1
8cb0f909779c5d2b2109d523d148b54266eccbc9
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SHA256
e40150aaeb5f972e1238e1c6a0847137dc01380f066ec7b844d5764085301246
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SHA512
285c9f428e42d757a5db727f06d425122d4a1378a1f9b30408fbfd11764b4c709d956be55b5740bcd8ebd504f00ba819d12614f747e85b96f4ce134b14efc29c
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SSDEEP
3072:8Gw3YYapzNbCmRhpn6gVRvSClnCKmtgGLRt+KmDky78FElYW:F4YYa/bTRhpn6CRvSClCKNYbjXEl
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CompPkgSrv.exe
Files
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CompPkgSrv.exe.exe windows:10 windows x64 arch:x64
d7ed93426f31f100eeb90be258936765
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
api-ms-win-crt-runtime-l1-1-0
_register_thread_local_exe_atexit_callback
_initterm
_initterm_e
_c_exit
api-ms-win-crt-private-l1-1-0
_o__callnewh
_o__cexit
_o__configthreadlocale
_o__configure_wide_argv
_o__crt_atexit
_o__errno
_o__exit
_o__get_wide_winmain_command_line
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__invalid_parameter_noinfo
_o__purecall
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
memmove
_o_atoi
_o_exit
_o_free
_o_malloc
_o_qsort
_o_realloc
_o_strncpy_s
_o_terminate
_o_wcstombs_s
__C_specific_handler
__CxxFrameHandler3
__current_exception
__current_exception_context
_o___std_exception_destroy
_CxxThrowException
_o___std_exception_copy
_o___p__commode
_o___stdio_common_vswscanf
_o___stdio_common_vswprintf
_o___stdio_common_vsprintf
memcmp
memcpy
wcsrchr
api-ms-win-crt-string-l1-1-0
strnlen
memset
memmove_s
wcscmp
comppkgsup
GetMediaComponentPackageInfoInternal
api-ms-win-eventing-classicprovider-l1-1-0
GetTraceEnableLevel
RegisterTraceGuidsW
UnregisterTraceGuids
TraceMessage
GetTraceLoggerHandle
GetTraceEnableFlags
api-ms-win-core-synch-l1-1-0
EnterCriticalSection
DeleteCriticalSection
LeaveCriticalSection
InitializeSRWLock
InitializeCriticalSection
AcquireSRWLockShared
ReleaseSRWLockShared
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
api-ms-win-core-errorhandling-l1-1-0
RaiseException
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetLastError
SetLastError
api-ms-win-core-processthreads-l1-1-0
GetCurrentThreadId
TlsGetValue
TerminateProcess
GetCurrentProcessId
GetStartupInfoW
GetCurrentProcess
TlsSetValue
api-ms-win-core-heap-l1-1-0
HeapSetInformation
HeapFree
HeapAlloc
GetProcessHeap
api-ms-win-security-base-l1-1-0
MakeAbsoluteSD
api-ms-win-core-heap-l2-1-0
LocalFree
LocalAlloc
api-ms-win-core-util-l1-1-0
DecodePointer
EncodePointer
api-ms-win-core-synch-l1-2-0
InitOnceExecuteOnce
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-sysinfo-l1-1-0
GetSystemTimeAsFileTime
api-ms-win-core-interlocked-l1-1-0
InitializeSListHead
api-ms-win-core-rtlsupport-l1-1-0
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
api-ms-win-core-debug-l1-1-0
IsDebuggerPresent
DebugBreak
api-ms-win-core-processthreads-l1-1-1
IsProcessorFeaturePresent
api-ms-win-core-libraryloader-l1-2-0
GetModuleHandleExW
FreeLibrary
GetModuleHandleW
api-ms-win-eventing-provider-l1-1-0
EventWriteTransfer
api-ms-win-core-delayload-l1-1-1
ResolveDelayLoadedAPI
api-ms-win-core-delayload-l1-1-0
DelayLoadFailureHook
Sections
.text Size: 92KB - Virtual size: 90KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 28KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.didat Size: 4KB - Virtual size: 320B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ