MpOAV[.]dll | Triage

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General

Target

MpOAV.dll
Size

485KB
MD5

82d45ee8bca40389ea79879c75ec6207
SHA1

86108949630649367ea91153eee86f2fdc9f2489
SHA256

ce0b09d43134dd41ba555aaf18dd491ec610dd503864caf7bfff60afb73f8ed5
SHA512

8e03cc2b53635bba4d3ab21946c20d91b8387be0fdef700a893104ad5153caf2632a1d51766debca6a05c35f15b40f08a20ee52fd154938d930406c0a8f354ee
SSDEEP

6144:UTmg/KSnLsE0aGPrR4IcdwSbttHRqJULrf6KmiTVVmVVV8VVNVVVcVVVxVVVPVVQ:UxSrR4Ic7bttxqJULrTj

Score

1^/10

Malware Config

Signatures

Files

MpOAV.dll
.dll regsvr32 windows:10 windows x64 arch:x64

6f149d2a17387b58802aed4cad581870

Code Sign

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3b
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

d6:10:95:ba:96:80:db:6d:85:4d:66:a4:f8:5a:02:5c:89:c9:54:1d:36:98:b7:3e:26:e9:69:39:ca:f4:ce:83
Signer

Actual PE Digest

d6:10:95:ba:96:80:db:6d:85:4d:66:a4:f8:5a:02:5c:89:c9:54:1d:36:98:b7:3e:26:e9:69:39:ca:f4:ce:83

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

MpOAV.pdb

Imports

advapi32

TraceMessage
GetTraceLoggerHandle
GetTraceEnableLevel
GetTraceEnableFlags
RegisterTraceGuidsW
UnregisterTraceGuids
EventActivityIdControl
EventWriteTransfer
EventUnregister
EventRegister
RegCloseKey
RegOpenKeyExW
RegQueryValueExW

kernel32

ExitProcess
GetModuleHandleW
GetModuleHandleExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetStringTypeW
GetProcessHeap
SetStdHandle
GetConsoleMode
FlushFileBuffers
WriteFile
GetConsoleOutputCP
GetModuleFileNameW
SetFilePointerEx
CreateFileW
WriteConsoleW
QueryPerformanceCounter
InitializeSListHead
RtlUnwindEx
InterlockedFlushSList
RtlPcToFileHeader
EncodePointer
InitializeCriticalSectionEx
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
FindFirstFileExW
HeapSize
LCMapStringW
GetProcAddress
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
FlsFree
FlsSetValue
FlsGetValue
FlsAlloc
GetStartupInfoW
GetFileType
GetStdHandle
HeapFree
HeapAlloc
GetCurrentThreadId
IsProcessorFeaturePresent
TerminateProcess
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
WideCharToMultiByte
MultiByteToWideChar
GetCurrentProcess
GetVersionExW
Sleep
GetLastError
GetProcessTimes
GetCurrentProcessId
FreeLibrary
LoadLibraryExW
CloseHandle
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
RaiseException
DeleteCriticalSection
HeapReAlloc
GetFileSizeEx
FindNextFileW
FindClose
GetFileAttributesW
CreateEventW
GetTempPathW
GetSystemDirectoryW
SizeofResource
LockResource
LoadResource
FindResourceW
DecodePointer

ole32

CoTaskMemAlloc
CoCreateInstance
CoTaskMemFree
StringFromGUID2

oleaut32

SysFreeString
SysStringLen
SysAllocStringLen

ntdll

RtlGetVersion
RtlNtStatusToDosError

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 192KB - Virtual size: 191KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 68KB - Virtual size: 66KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 12KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 188KB - Virtual size: 186KB

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

Sharing

General

Malware Config

Signatures

Files

6f149d2a17387b58802aed4cad581870

Code Sign

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3bCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

d6:10:95:ba:96:80:db:6d:85:4d:66:a4:f8:5a:02:5c:89:c9:54:1d:36:98:b7:3e:26:e9:69:39:ca:f4:ce:83Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

kernel32

ole32

oleaut32

ntdll

Exports

Exports

Sections

.text Size: 192KB - Virtual size: 191KB

.rdata Size: 68KB - Virtual size: 66KB

.data Size: 8KB - Virtual size: 12KB

.pdata Size: 12KB - Virtual size: 8KB

.rsrc Size: 188KB - Virtual size: 186KB

.reloc Size: 4KB - Virtual size: 1KB

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3b
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

d6:10:95:ba:96:80:db:6d:85:4d:66:a4:f8:5a:02:5c:89:c9:54:1d:36:98:b7:3e:26:e9:69:39:ca:f4:ce:83
Signer

.text
Size: 192KB - Virtual size: 191KB

.rdata
Size: 68KB - Virtual size: 66KB

.data
Size: 8KB - Virtual size: 12KB

.pdata
Size: 12KB - Virtual size: 8KB

.rsrc
Size: 188KB - Virtual size: 186KB

.reloc
Size: 4KB - Virtual size: 1KB