Static task
static1
General
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Target
autochk.exe
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Size
850KB
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MD5
4961d2aefd1965b49fa7fc88e32a42dd
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SHA1
4856dce15b6dd935ffcbf09ff3a99ba800782cdf
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SHA256
5e149c4d81b27e01bdc25b6c9ded35b56c4f76ea5faa1261c6849c507f7c35fd
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SHA512
705545323126783469cb0c156c39dbd5dcb085c7db3da9d01526467aae0fcc31599b2bac2e598b70133d149d43d95e2d8485e6231fd7c2a374aaff3c953c7e24
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SSDEEP
24576:QIizFxOIMdglBeZzalFIVGBxMFVvXrimFKKRAV:QIwXvYZzalFIVG0FVDimFKKRAV
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource autochk.exe
Files
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autochk.exe.sys windows:10 windows x86
b753f48261f46f0beb1b3613edc3f37a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
ntdll
RtlCompareUnicodeString
RtlQueryRegistryValuesEx
RtlWriteRegistryValue
NtQuerySystemTime
NtOpenSymbolicLinkObject
DbgPrintEx
RtlEqualUnicodeString
NtWriteFile
_wcsicmp
NtOpenKey
RtlPublishWnfStateData
NtQuerySymbolicLinkObject
LdrSetMUICacheType
RtlSetSystemBootStatus
RtlInitUnicodeString
RtlGetSystemBootStatus
RtlPrefixUnicodeString
NtSerializeBoot
NtClose
NtOpenDirectoryObject
NtFsControlFile
wcsstr
NtQueryDirectoryObject
NtCreateFile
NtOpenFile
NtQueryValueKey
NtTerminateProcess
RtlCaptureContext
RtlUnhandledExceptionFilter
_aullshr
RtlUnwind
memmove
RtlFreeAnsiString
RtlAllocateHeap
RtlNormalizeProcessParams
RtlUnicodeStringToAnsiString
isspace
_vsnprintf
_vsnwprintf
RtlMultiByteToUnicodeN
RtlOemToUnicodeN
RtlUnicodeToMultiByteN
RtlUnicodeToOemN
wcsspn
_wtol
_wtoi64
_wcsupr
_wcslwr
wcschr
NtDeviceIoControlFile
NtQueryInformationFile
NtQueryVolumeInformationFile
wcstoul
_wcstoui64
NtReadFile
RtlRaiseStatus
qsort
NtDelayExecution
NtQuerySystemInformation
RtlSizeHeap
RtlFreeHeap
NtDrawText
swprintf_s
NtCreateEvent
NtClearEvent
NtSetThreadExecutionState
NtWaitForMultipleObjects
NtCancelIoFile
RtlNumberGenericTableElementsAvl
RtlDosPathNameToNtPathName_U
RtlFreeUnicodeString
NtOpenProcessToken
NtAdjustPrivilegesToken
NtShutdownSystem
RtlExpandEnvironmentStrings_U
NtSetInformationFile
RtlValidRelativeSecurityDescriptor
RtlGetVersion
RtlTimeToTimeFields
VerSetConditionMask
RtlVerifyVersionInfo
NtDisplayString
RtlRandomEx
NtQueryPerformanceCounter
isprint
RtlAcquireSRWLockExclusive
RtlReleaseSRWLockExclusive
RtlEnterCriticalSection
RtlTryEnterCriticalSection
RtlLeaveCriticalSection
RtlDeleteCriticalSection
RtlInitializeSRWLock
RtlInitializeCriticalSection
NtFreeVirtualMemory
NtSetEvent
RtlCaptureStackBackTrace
NtAllocateVirtualMemory
NtWaitForSingleObject
NtResetEvent
wcsncmp
RtlFindMessage
RtlInitAnsiStringEx
RtlAnsiStringToUnicodeString
RtlFormatMessage
RtlLengthRequiredSid
RtlInitializeSid
RtlSubAuthoritySid
RtlLengthSid
RtlCopySid
RtlAddAce
RtlCreateAcl
RtlQueryInformationAcl
RtlCreateSecurityDescriptor
RtlSetGroupSecurityDescriptor
RtlSetDaclSecurityDescriptor
RtlNewSecurityObject
RtlValidSecurityDescriptor
RtlLengthSecurityDescriptor
RtlAddAccessAllowedAce
RtlInitializeGenericTable
RtlInsertElementGenericTable
RtlInitializeBitMap
RtlSetBits
RtlLookupElementGenericTable
RtlClearBits
RtlFindSetBits
RtlDeleteElementGenericTable
RtlEnumerateGenericTableWithoutSplaying
RtlNumberOfSetBits
RtlInitializeGenericTableAvl
RtlEnumerateGenericTableAvl
RtlLookupFirstMatchingElementGenericTableAvl
RtlEnumerateGenericTableWithoutSplayingAvl
RtlDeleteElementGenericTableAvl
RtlLookupElementGenericTableFullAvl
RtlInsertElementGenericTableFullAvl
RtlDeleteElementGenericTableAvlEx
RtlInsertElementGenericTableAvl
RtlLookupElementGenericTableAvl
RtlSystemTimeToLocalTime
RtlCrc64
RtlUpcaseUnicodeString
RtlComputeCrc32
DbgPrint
NtOpenThreadToken
_wcsnicmp
RtlCreateSystemVolumeInformationFolder
EtwEventUnregister
EtwEventRegister
EtwEventSetInformation
EtwEventWriteTransfer
NtFlushBuffersFile
_alldiv
_alldvrm
_allmul
_allrem
_allshl
_aulldiv
_aulldvrm
_aullrem
_chkstk
memcmp
memcpy
memset
Sections
.text Size: 547KB - Virtual size: 547KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 271KB - Virtual size: 270KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.reloc Size: 14KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ