DismCore[.]dll

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General

Target

DismCore.dll
Size

402KB
MD5

b1f793773dc727b4af1648d6d61f5602
SHA1

be7ed4e121c39989f2fb343558171ef8b5f7af68
SHA256

af7f342adf5b533ea6978b68064f39bfb1e4ad3b572ae1b7f2287f5533334d4e
SHA512

66a92bff5869a56a7931d7ed9881d79c22ba741c55fb42c11364f037e1ec99902db2679b67a7e60cbf760740d5b47dcf1a6dcfae5ad6711a0bd7f086cc054eed
SSDEEP

6144:2pFC8Q92GEAjR53dcPFj2loO4KwbPnRKQo2:2pxQ92QjR5tEKCkK

Score

1^/10

Malware Config

Signatures

Files

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

158676856e43faf0c23969c9bed80b77

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

Issuer

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

Not Before

04/03/2020, 18:30

Not After

03/03/2021, 18:30

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

cf:2a:93:3a:6c:6f:8c:3d:10:18:02:34:07:bc:26:fe:1f:2a:d0:f9:0e:8e:9b:81:b0:32:9f:30:74:90:cd:fb
Signer

Actual PE Digest

cf:2a:93:3a:6c:6f:8c:3d:10:18:02:34:07:bc:26:fe:1f:2a:d0:f9:0e:8e:9b:81:b0:32:9f:30:74:90:cd:fb

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_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP
IMAGE_FILE_DLL

Imports

msvcrt

_wtoi
swscanf_s
_vscprintf
vsprintf_s
iswalpha
_vsnwprintf
_wcsnicmp
wcsncmp
wcsstr
towlower
_vsnprintf
toupper
iswctype
memmove
fclose
__dllonexit
_unlock
_lock
realloc
_errno
??1type_info@@UEAA@XZ
?terminate@@YAXXZ
_initterm
_amsg_exit
_XcptFilter
_CxxThrowException
_callnewh
?what@exception@@UEBAPEBDXZ
??1exception@@UEAA@XZ
??0exception@@QEAA@AEBV0@@Z
??0exception@@QEAA@AEBQEBDH@Z
wcsncpy_s
wcscat_s
calloc
memmove_s
memcpy_s
_purecall
_wcsicmp
wcsrchr
wcschr
vswprintf_s
_vscwprintf
wcscpy_s
malloc
wcstok_s
_wfopen
fgetws
feof
_onexit
_resetstkoflw
free
__C_specific_handler
strrchr
__CxxFrameHandler3
memcpy
memcmp
memset

advapi32

AdjustTokenPrivileges
EventWriteTransfer
EventRegister
EventProviderEnabled
EventUnregister
SetSecurityDescriptorDacl
EqualSid
InitializeSecurityDescriptor
InitializeAcl
GetLengthSid
AddAccessAllowedAce
FreeSid
CheckTokenMembership
AllocateAndInitializeSid
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW
GetTokenInformation
OpenProcessToken
OpenThreadToken
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
RegQueryInfoKeyW

kernel32

SetThreadUILanguage
CreateFileW
CloseHandle
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetCurrentThreadId
GetCurrentProcessId
OutputDebugStringW
MultiByteToWideChar
GetTempPathW
GetModuleHandleExW
FreeLibrary
SetEvent
GetModuleFileNameW
GetModuleHandleW
Wow64DisableWow64FsRedirection
CopyFileExW
Wow64RevertWow64FsRedirection
CreateEventW
GetNativeSystemInfo
HeapFree
GetProcessHeap
WaitForSingleObject
TerminateProcess
WideCharToMultiByte
SizeofResource
LockResource
LoadResource
FindResourceExW
DisableThreadLibraryCalls
GetThreadLocale
SetThreadLocale
RaiseException
GetProcAddress
LoadLibraryExW
HeapSize
HeapReAlloc
HeapAlloc
HeapDestroy
CompareStringW
GetEnvironmentVariableW
Sleep
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
GetLastError
GetCurrentProcess
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetTickCount
OutputDebugStringA
GetFileAttributesW
GetSystemInfo
ExpandEnvironmentStringsW
GetFileSizeEx
LocalAlloc
CreateFileMappingA
DeleteFileW
DeleteFileA
CreateFileA
GetSystemWindowsDirectoryW
FormatMessageW
GetSystemDirectoryW
MoveFileExW
FindClose
FindNextFileW
FindFirstFileW
QueryDosDeviceW
GetVolumeNameForVolumeMountPointW
GetVolumePathNameW
GetFileInformationByHandle
CreateDirectoryW
LocalFree
GetCurrentThread
GetFullPathNameW
GetVersion
ReleaseMutex
CreateMutexA
CreateMutexW
WriteFile
GetModuleFileNameA
VirtualQuery
FormatMessageA
TlsFree
TlsGetValue
ExitProcess
GetFileSize
GetLocalTime
TlsAlloc
TlsSetValue
MapViewOfFile
GetTempFileNameW
CreateFileMappingW
UnmapViewOfFile
GetVersionExW
SetLastError
SearchPathW
SetFilePointer
ReadFile
GetWindowsDirectoryW
IsDebuggerPresent
FlushFileBuffers
GetFileInformationByHandleEx
DeviceIoControl
SetFileAttributesW
SetFileInformationByHandle
GetCurrentDirectoryW
GetLongPathNameW
GetFinalPathNameByHandleW
GetDriveTypeW
InitializeProcThreadAttributeList
UpdateProcThreadAttribute
DeleteProcThreadAttributeList
CreateProcessW
GetExitCodeProcess
DuplicateHandle
SetUnhandledExceptionFilter
DebugBreak

ole32

CoRegisterPSClsid
CoRegisterClassObject
CoRevokeClassObject
CoSetProxyBlanket
CoCreateGuid
StringFromCLSID
CoTaskMemFree
ProgIDFromCLSID
StringFromGUID2
CoCreateInstance

user32

LoadStringW
CharNextW

oleaut32

SysAllocString
SysAllocStringByteLen
SysAllocStringLen
SysFreeString
VariantTimeToSystemTime
VariantInit
VariantClear
SysStringLen
LoadRegTypeLi
LoadTypeLi
SetErrorInfo
CreateErrorInfo
GetErrorInfo
UnRegisterTypeLi
RegisterTypeLi
SysStringByteLen
SystemTimeToVariantTime
LoadTypeLibEx

version

GetFileVersionInfoExW
GetFileVersionInfoSizeExW
VerQueryValueW

ntdll

RtlFreeHeap
RtlNtStatusToDosError
NtSetInformationFile
RtlAllocateHeap

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 188KB - Virtual size: 188KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 94KB - Virtual size: 94KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 93KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

158676856e43faf0c23969c9bed80b77

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66Certificate

Extended Key Usages

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

Key Usages

cf:2a:93:3a:6c:6f:8c:3d:10:18:02:34:07:bc:26:fe:1f:2a:d0:f9:0e:8e:9b:81:b0:32:9f:30:74:90:cd:fbSigner

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

advapi32

kernel32

ole32

user32

oleaut32

version

ntdll

Exports

Exports

Sections

.text Size: 188KB - Virtual size: 188KB

.rdata Size: 94KB - Virtual size: 94KB

.data Size: 7KB - Virtual size: 10KB

.pdata Size: 8KB - Virtual size: 7KB

.rsrc Size: 93KB - Virtual size: 92KB

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

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

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

cf:2a:93:3a:6c:6f:8c:3d:10:18:02:34:07:bc:26:fe:1f:2a:d0:f9:0e:8e:9b:81:b0:32:9f:30:74:90:cd:fb
Signer

.text
Size: 188KB - Virtual size: 188KB

.rdata
Size: 94KB - Virtual size: 94KB

.data
Size: 7KB - Virtual size: 10KB

.pdata
Size: 8KB - Virtual size: 7KB

.rsrc
Size: 93KB - Virtual size: 92KB

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