Static task
static1
Behavioral task
behavioral1
Sample
wevtutil.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
wevtutil.exe
Resource
win10v2004-20231215-en
General
-
Target
wevtutil.exe
-
Size
242KB
-
MD5
1f970ddf2061b33c148e72604d2170fb
-
SHA1
1750d55d18b03db3d46f408c21c475558235383e
-
SHA256
5293a95be8f320a3af6d8c1d5e937f13d0ee2925b9b13538487dec0181ef5432
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SHA512
3dda59831f41e13e95a27515a1287a3518c9d71e3b3b8999f28e953a2fcc8ccbc4c9ebb14c5358bdac37e5a29dc75e3f96b243042f272b48fe16a6a00918907c
-
SSDEEP
6144:HBTGRBENcuzRKKjrRX/gv4K6cKq93GL3tX:HtGTENcuzRtjuANcZWzt
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource wevtutil.exe
Files
-
wevtutil.exe.exe windows:10 windows x64 arch:x64
d3310b6271278c48fe7ae9f4ad5259b6
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
msvcp_win
?_Xlength_error@std@@YAXPEBD@Z
?_Xout_of_range@std@@YAXPEBD@Z
api-ms-win-crt-runtime-l1-1-0
_initterm_e
_initterm
_c_exit
_register_thread_local_exe_atexit_callback
api-ms-win-crt-private-l1-1-0
_o__get_initial_wide_environment
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__invalid_parameter_noinfo_noreturn
_o__itow_s
_o__purecall
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
memmove
_o__ultow_s
_o__wcsicmp
_o__wcsnicmp
_o__wcstoui64
_o__wtoi
_o_exit
_o_fflush
_o_free
_o_getwc
_o_malloc
_o_setlocale
_o_terminate
_o_toupper
_o_towupper
_o_wcscpy_s
_o_wcstoul
__C_specific_handler
_o__configure_wide_argv
_o__configthreadlocale
_o__cexit
_o___stdio_common_vswscanf
_o___stdio_common_vswprintf
_o___stdio_common_vfwprintf
_o__exit
_o___p__commode
_o___p___wargv
_o___p___argc
_o___acrt_iob_func
wcschr
__std_terminate
__CxxFrameHandler4
_o__errno
_o__crt_atexit
_CxxThrowException
memcpy
api-ms-win-crt-string-l1-1-0
wcscmp
memset
api-ms-win-eventing-classicprovider-l1-1-0
RegisterTraceGuidsW
UnregisterTraceGuids
GetTraceLoggerHandle
GetTraceEnableFlags
GetTraceEnableLevel
TraceMessage
api-ms-win-core-heap-l1-1-0
GetProcessHeap
HeapAlloc
HeapSetInformation
HeapFree
api-ms-win-core-string-obsolete-l1-1-0
lstrcmpiW
api-ms-win-core-string-l1-1-0
CompareStringW
CompareStringOrdinal
WideCharToMultiByte
MultiByteToWideChar
api-ms-win-core-processenvironment-l1-1-0
ExpandEnvironmentStringsW
GetCommandLineW
GetStdHandle
api-ms-win-core-localization-l1-2-0
LocaleNameToLCID
GetThreadUILanguage
SetThreadPreferredUILanguages
SetThreadUILanguage
GetThreadLocale
FormatMessageW
api-ms-win-core-errorhandling-l1-1-0
SetLastError
GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
rpcrt4
RpcStringFreeW
UuidToStringW
UuidCreate
UuidFromStringW
api-ms-win-core-timezone-l1-1-0
SystemTimeToTzSpecificLocalTime
SystemTimeToFileTime
FileTimeToSystemTime
api-ms-win-core-handle-l1-1-0
CloseHandle
api-ms-win-core-libraryloader-l1-2-0
FreeResource
GetProcAddress
LockResource
LoadLibraryExW
FreeLibrary
SizeofResource
GetModuleFileNameA
FindResourceExW
LoadResource
GetModuleHandleW
api-ms-win-core-file-l1-1-0
GetFileAttributesW
GetFileType
WriteFile
GetFileSize
ReadFile
GetFullPathNameW
CreateFileW
api-ms-win-core-console-l1-1-0
GetConsoleMode
WriteConsoleW
oleaut32
SysAllocStringLen
SysFreeString
SysStringLen
VariantInit
VariantClear
SysAllocString
api-ms-win-core-com-l1-1-0
CoUninitialize
CoCreateInstance
CoInitializeEx
api-ms-win-security-sddl-l1-1-0
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSecurityDescriptorToStringSecurityDescriptorW
ConvertSidToStringSidW
api-ms-win-core-heap-l2-1-0
LocalFree
LocalAlloc
api-ms-win-security-lsalookup-l2-1-0
LookupAccountSidW
api-ms-win-core-wow64-l1-1-0
Wow64DisableWow64FsRedirection
IsWow64Process
Wow64RevertWow64FsRedirection
api-ms-win-core-processthreads-l1-1-0
CreateProcessW
TerminateProcess
GetStartupInfoW
GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess
OpenProcessToken
api-ms-win-core-synch-l1-1-0
ReleaseSRWLockShared
ReleaseSRWLockExclusive
AcquireSRWLockShared
WaitForSingleObject
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
AcquireSRWLockExclusive
api-ms-win-core-rtlsupport-l1-1-0
RtlVirtualUnwind
RtlCaptureContext
RtlLookupFunctionEntry
api-ms-win-core-debug-l1-1-0
IsDebuggerPresent
api-ms-win-core-processthreads-l1-1-1
IsProcessorFeaturePresent
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-sysinfo-l1-1-0
GetSystemTimeAsFileTime
GetTickCount
api-ms-win-core-interlocked-l1-1-0
InitializeSListHead
api-ms-win-core-synch-l1-2-0
InitOnceComplete
InitOnceBeginInitialize
Sleep
api-ms-win-core-registry-l1-1-0
RegCloseKey
RegOpenKeyExW
RegSetValueExW
RegDeleteKeyExW
RegGetKeySecurity
RegDeleteValueW
RegQueryInfoKeyW
RegGetValueW
RegCreateKeyExW
RegEnumKeyExW
RegQueryValueExW
api-ms-win-core-util-l1-1-0
DecodePointer
EncodePointer
api-ms-win-eventing-provider-l1-1-0
EventProviderEnabled
EventSetInformation
EventUnregister
EventWriteTransfer
EventRegister
api-ms-win-core-registry-l2-1-0
RegCreateKeyTransactedW
api-ms-win-security-base-l1-1-0
GetSecurityDescriptorLength
GetSecurityDescriptorControl
IsValidSecurityDescriptor
AdjustTokenPrivileges
AddAce
GetAclInformation
MapGenericMask
MakeSelfRelativeSD
InitializeAcl
SetSecurityDescriptorGroup
SetSecurityDescriptorOwner
SetSecurityDescriptorDacl
GetAce
InitializeSecurityDescriptor
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorDacl
api-ms-win-core-state-helpers-l1-1-0
GetRegistryValueWithFallbackW
bcrypt
BCryptOpenAlgorithmProvider
BCryptDestroyHash
BCryptFinishHash
BCryptHashData
BCryptGetProperty
BCryptCreateHash
BCryptCloseAlgorithmProvider
api-ms-win-core-delayload-l1-1-1
ResolveDelayLoadedAPI
api-ms-win-core-delayload-l1-1-0
DelayLoadFailureHook
ntdll
RtlNtStatusToDosError
RtlGetPersistedStateLocation
RtlGetVersion
NtCreateTransaction
RtlInitUnicodeStringEx
NtCommitTransaction
api-ms-win-core-apiquery-l1-1-0
ApiSetQueryApiSetPresence
api-ms-win-core-memory-l1-1-0
UnmapViewOfFile
Sections
.text Size: 187KB - Virtual size: 186KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 43KB - Virtual size: 43KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.didat Size: 512B - Virtual size: 296B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 428B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ