evr[.]dll | Triage

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General

Target

evr.dll
Size

566KB
MD5

cbe2cb6f1e234f3306ceda808af9e5a6
SHA1

aae5a391b897d9ed1e47709009771cbc1379e6f6
SHA256

ee347618e2fef9356950e693f98ff60c2fc3d909675282a675eeefb5ee53019d
SHA512

643d80f25140a0c5fafe59dddea73a560ca2127609ed25ad7e3978f86ea621bebf900e79f0578f2eb45829b3d94b1626598bc31d92eb7c7c3cfde8d22605135e
SSDEEP

12288:d6HNWzCWsQoikBXlsJ6UJ5/ttuUv1n2XyMM2DGk:oHNWHBoXsIU3/ttuUv12nLDGk

Score

1^/10

Malware Config

Signatures

Files

evr.dll
.dll regsvr32 windows:10 windows x86 arch:x86

368ee87fb741fa94873d662c0d49e820

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

Issuer

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

Not Before

16/11/2023, 19:20

Not After

14/11/2024, 19:20

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

c2:8c:41:88:ba:32:6f:13:2a:16:22:e8:07:9b:f2:43:bc:ce:0f:6f:90:7b:65:d4:c9:15:f3:da:87:fd:71:77
Signer

Actual PE Digest

c2:8c:41:88:ba:32:6f:13:2a:16:22:e8:07:9b:f2:43:bc:ce:0f:6f:90:7b:65:d4:c9:15:f3:da:87:fd:71:77

Digest Algorithm

sha256

PE Digest Matches

true

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
IMAGE_FILE_DLL

PDB Paths

EVR.pdb

Imports

msvcrt

??0exception@@QAE@ABQBD@Z
_wcsdup
??8type_info@@QBEHABV0@@Z
__uncaught_exception
??9type_info@@QBEHABV0@@Z
islower
calloc
__crtLCMapStringA
_wsetlocale
sprintf_s
??0bad_cast@@QAE@ABV0@@Z
realloc
isupper
??1bad_cast@@UAE@XZ
__pctype_func
__CxxFrameHandler3
??0bad_cast@@QAE@PBD@Z
memset
_ismbblead
___lc_codepage_func
localeconv
strcspn
??1exception@@UAE@XZ
memcpy_s
??0exception@@QAE@XZ
??0exception@@QAE@ABQBDH@Z
___lc_handle_func
___mb_cur_max_func
_unlock
?what@exception@@UBEPBDXZ
??0exception@@QAE@ABV0@@Z
_vsnwprintf
_vsnwprintf_s
_callnewh
_lock
_ftol2_sse
_ftol2
ceil
??1type_info@@UAE@XZ
_except_handler4_common
?terminate@@YAXXZ
_onexit
__dllonexit
_initterm
_amsg_exit
_XcptFilter
setlocale
_CIsqrt
malloc
memcmp
free
memmove
_purecall
memcpy
_CxxThrowException
_vsnprintf_s
floor

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

HeapFree
GetProcessHeap
HeapAlloc

api-ms-win-core-synch-l1-1-0

ReleaseMutex
SetEvent
CreateEventA
CreateSemaphoreExW
WaitForSingleObjectEx
CreateEventW
DeleteCriticalSection
WaitForSingleObject
InitializeCriticalSection
ReleaseSemaphore
LeaveCriticalSection
ReleaseSRWLockExclusive
CreateMutexExW
ResetEvent
EnterCriticalSection
OpenSemaphoreW
InitializeCriticalSectionEx
AcquireSRWLockExclusive

api-ms-win-core-libraryloader-l1-2-0

GetModuleFileNameW
LoadLibraryExA
LoadLibraryExW
FreeLibraryAndExitThread
GetModuleHandleW
GetProcAddress
FreeLibrary
DisableThreadLibraryCalls
GetModuleFileNameA
GetModuleHandleExW

api-ms-win-core-synch-l1-2-1

WaitForMultipleObjects

api-ms-win-eventing-provider-l1-1-0

EventUnregister
EventRegister
EventWriteTransfer
EventSetInformation

api-ms-win-eventing-classicprovider-l1-1-0

UnregisterTraceGuids
GetTraceLoggerHandle
RegisterTraceGuidsW
GetTraceEnableLevel
TraceMessage
GetTraceEnableFlags

api-ms-win-core-processthreads-l1-1-0

GetCurrentThreadId
CreateThread
GetCurrentProcess
GetExitCodeThread
SetThreadPriority
GetCurrentProcessId
TerminateProcess

api-ms-win-core-errorhandling-l1-1-0

SetUnhandledExceptionFilter
SetLastError
GetLastError
UnhandledExceptionFilter

api-ms-win-core-handle-l1-1-0

CloseHandle

api-ms-win-core-libraryloader-l1-2-1

LoadLibraryW
LoadLibraryA

api-ms-win-core-registry-l1-1-0

RegQueryValueExW
RegQueryInfoKeyW
RegOpenKeyExW
RegCreateKeyExW
RegSetValueExW
RegCloseKey
RegEnumKeyExW

api-ms-win-core-sysinfo-l1-1-0

GetVersionExW
GetTickCount
GetSystemTimeAsFileTime
GetTickCount64

api-ms-win-core-com-l1-1-0

CoFreeUnusedLibraries
CoCreateInstance
CoInitializeEx
CoTaskMemAlloc
CoUninitialize
CoTaskMemFree
StringFromGUID2
PropVariantCopy
PropVariantClear

api-ms-win-core-string-l1-1-0

MultiByteToWideChar

api-ms-win-core-string-obsolete-l1-1-0

lstrcmpW

api-ms-win-core-synch-l1-2-0

WakeAllConditionVariable
Sleep
SleepConditionVariableSRW

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter
QueryPerformanceFrequency

api-ms-win-core-largeinteger-l1-1-0

MulDiv

api-ms-win-core-kernel32-legacy-l1-1-0

GetSystemPowerStatus

api-ms-win-power-setting-l1-1-0

PowerReadDCValue
PowerGetActiveScheme
PowerReadACValue

api-ms-win-core-heap-l2-1-0

LocalFree
LocalAlloc

api-ms-win-core-localization-l1-2-0

FormatMessageW

api-ms-win-core-debug-l1-1-0

IsDebuggerPresent
OutputDebugStringW
DebugBreak

api-ms-win-core-util-l1-1-0

DecodePointer

rtworkq

RtwqSetDeadline
RtwqSetLongRunning
RtwqCancelDeadline

ntdll

RtlNtStatusToDosError

bcrypt

BCryptOpenAlgorithmProvider
BCryptVerifySignature
BCryptCreateHash
BCryptFinishHash
BCryptGetProperty
BCryptCloseAlgorithmProvider
BCryptDestroyHash
BCryptDestroyKey
BCryptHashData
BCryptImportKeyPair

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

api-ms-win-core-delayload-l1-1-0

DelayLoadFailureHook

api-ms-win-core-processthreads-l1-1-1

GetProcessMitigationPolicy

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
MFConvertColorInfoFromDXVA
MFConvertColorInfoToDXVA
MFConvertFromFP16Array
MFConvertToFP16Array
MFCopyImage
MFCreateDXSurfaceBuffer
MFCreateVideoMediaType
MFCreateVideoMediaTypeFromBitMapInfoHeader
MFCreateVideoMediaTypeFromSubtype
MFCreateVideoMediaTypeFromVideoInfoHeader
MFCreateVideoMediaTypeFromVideoInfoHeader2
MFCreateVideoMixer
MFCreateVideoMixerAndPresenter
MFCreateVideoOTA
MFCreateVideoPresenter
MFCreateVideoPresenter2
MFCreateVideoSampleAllocator
MFCreateVideoSampleFromSurface
MFGetPlaneSize
MFGetStrideForBitmapInfoHeader
MFGetUncompressedVideoFormat
MFInitVideoFormat
MFInitVideoFormat_RGB
MFIsFormatYUV

Sections

.text
Size: 512KB - Virtual size: 511KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 356B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 27KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

368ee87fb741fa94873d662c0d49e820

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5fCertificate

Extended Key Usages

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

Key Usages

c2:8c:41:88:ba:32:6f:13:2a:16:22:e8:07:9b:f2:43:bc:ce:0f:6f:90:7b:65:d4:c9:15:f3:da:87:fd:71:77Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

api-ms-win-core-synch-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-synch-l1-2-1

api-ms-win-eventing-provider-l1-1-0

api-ms-win-eventing-classicprovider-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-libraryloader-l1-2-1

api-ms-win-core-registry-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-com-l1-1-0

api-ms-win-core-string-l1-1-0

api-ms-win-core-string-obsolete-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-largeinteger-l1-1-0

api-ms-win-core-kernel32-legacy-l1-1-0

api-ms-win-power-setting-l1-1-0

api-ms-win-core-heap-l2-1-0

api-ms-win-core-localization-l1-2-0

api-ms-win-core-debug-l1-1-0

api-ms-win-core-util-l1-1-0

rtworkq

ntdll

bcrypt

api-ms-win-core-delayload-l1-1-1

api-ms-win-core-delayload-l1-1-0

api-ms-win-core-processthreads-l1-1-1

Exports

Exports

Sections

.text Size: 512KB - Virtual size: 511KB

.data Size: 3KB - Virtual size: 6KB

.idata Size: 6KB - Virtual size: 6KB

.didat Size: 512B - Virtual size: 356B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 27KB - Virtual size: 26KB

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

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

c2:8c:41:88:ba:32:6f:13:2a:16:22:e8:07:9b:f2:43:bc:ce:0f:6f:90:7b:65:d4:c9:15:f3:da:87:fd:71:77
Signer

.text
Size: 512KB - Virtual size: 511KB

.data
Size: 3KB - Virtual size: 6KB

.idata
Size: 6KB - Virtual size: 6KB

.didat
Size: 512B - Virtual size: 356B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 27KB - Virtual size: 26KB