DismApi[.]dll | Triage

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General

Target

DismApi.dll
Size

680KB
MD5

a079cd0bafb868b5bd35b6a4a087099d
SHA1

9d8678c2e6a8ab0896a5d1d6b82a8e9bd3084e5e
SHA256

b887982970ef063db851b28a91a9697f04caf08635b7c277a3ff01167f078994
SHA512

322b3dc2f729cd42bf09c944a682c8fc0c4f28de8afd9e3347901d179dc1ab6680d432fe277805b6f8340d4cc8214c902418913fc772f03f7a55633360e5d79b
SSDEEP

12288:I5Z5pTlWekGIJT2uVTsa8nngszM7ZcPDG:I59lWekGOQxxM1KDG

Score

1^/10

Malware Config

Signatures

Files

DismApi.dll
.dll windows:10 windows x86 arch:x86

fe5bb468ffabefa495b7209afe6dbfcd

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

fb:0c:97:a3:17:f2:6e:93:32:16:d3:17:99:5f:a4:c8:43:a8:7b:bb:79:ec:8b:d2:a9:68:dd:7a:3e:db:be:19
Signer

Actual PE Digest

fb:0c:97:a3:17:f2:6e:93:32:16:d3:17:99:5f:a4:c8:43:a8:7b:bb:79:ec:8b:d2:a9:68:dd:7a:3e:db:be:19

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_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP
IMAGE_FILE_DLL

PDB Paths

DismApi.pdb

Imports

msvcrt

feof
fgetws
_wfopen
wcstok_s
fclose
iswctype
strrchr
towlower
_wcslwr_s
wcsstr
memmove
wcsrchr
_wcsnicmp
_vsnwprintf
??0exception@@QAE@ABV0@@Z
free
malloc
iswalpha
_wcsicmp
_purecall
wcstoul
_wcstoui64
wcschr
_wtoi
swscanf_s
iswspace
??0exception@@QAE@ABQBD@Z
??1exception@@UAE@XZ
_except_handler4_common
realloc
_errno
__CxxFrameHandler3
_onexit
__dllonexit
_unlock
_lock
??1type_info@@UAE@XZ
?terminate@@YAXXZ
_initterm
_amsg_exit
_XcptFilter
_CxxThrowException
_callnewh
??0exception@@QAE@XZ
wcscpy_s
memcmp
_ftol2
memset
_vscprintf
vsprintf_s
calloc
_vsnprintf
?what@exception@@UBEPBDXZ
vswprintf_s
_vscwprintf
memmove_s
memcpy_s
memcpy

api-ms-win-downlevel-advapi32-l1-1-1

AllocateAndInitializeSid
OpenProcessToken
OpenThreadToken
GetTokenInformation
FreeSid
RegSetValueExW
EqualSid
InitializeAcl
SetSecurityDescriptorDacl
AddAccessAllowedAce
InitializeSecurityDescriptor
RegisterTraceGuidsW
GetTraceEnableLevel
GetTraceEnableFlags
GetTraceLoggerHandle
TraceEvent
UnregisterTraceGuids
GetLengthSid
CheckTokenMembership
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
RegCreateKeyExW

api-ms-win-downlevel-kernel32-l1-1-0

LockResource
FileTimeToLocalFileTime
FileTimeToSystemTime
SizeofResource
GetCurrentProcessId
CompareStringW
HeapFree
GetProcessHeap
GetEnvironmentVariableW
LoadLibraryExW
FreeLibrary
GetModuleFileNameW
GetCurrentThreadId
LeaveCriticalSection
EnterCriticalSection
GetThreadUILanguage
OutputDebugStringA
GetModuleHandleExW
WideCharToMultiByte
RaiseException
DeleteCriticalSection
InitializeCriticalSection
GetModuleHandleW
GetProcAddress
GetVersionExW
VirtualQuery
WriteFile
LoadLibraryExA
ExpandEnvironmentStringsA
CreateMutexW
CreateMutexA
ReleaseMutex
CreateFileA
DeleteFileA
DeleteFileW
WaitForSingleObject
DebugBreak
GetFileSizeEx
IsDebuggerPresent
HeapSize
HeapReAlloc
HeapAlloc
HeapDestroy
ExpandEnvironmentStringsW
WaitForMultipleObjectsEx
GetVersion
MultiByteToWideChar
GetModuleFileNameA
OutputDebugStringW
Sleep
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetTickCount
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
MapViewOfFile
CreateFileMappingW
FormatMessageA
TlsFree
TlsGetValue
ExitProcess
GetFileSize
GetWindowsDirectoryW
GetLocalTime
TlsAlloc
UnmapViewOfFile
TlsSetValue
GetLastError
GetCurrentProcess
ResetEvent
CreateThread
IsWow64Process
SetEvent
GetFileAttributesW
SetFilePointer
ReadFile
MoveFileExW
GetLocaleInfoEx
GetSystemTime
GetTimeFormatW
GetSystemWindowsDirectoryW
CreateEventW
ResumeThread
DuplicateHandle
GetCommandLineW
FindResourceExW
FormatMessageW
SearchPathW
GetTempFileNameW
LoadResource
FindFirstFileW
SetLastError
GetFullPathNameW
FindNextFileW
DeviceIoControl
GetTempPathW
FindClose
CreateFileW
SetFileAttributesW
GetFileInformationByHandle
CloseHandle
CopyFileExW
FlushFileBuffers
CreateDirectoryW
GetCurrentThread
SetErrorMode

api-ms-win-downlevel-ole32-l1-1-1

CoCreateInstance
CoInitializeEx
CoUninitialize
GetErrorInfo
CoSetProxyBlanket

api-ms-win-downlevel-kernel32-l2-1-0

CreateFileMappingA
LocalFree

api-ms-win-downlevel-user32-l1-1-1

CharLowerBuffW

oleaut32

SysAllocStringLen
SystemTimeToVariantTime
VariantTimeToSystemTime
VarBstrCat
SafeArrayDestroy
SafeArrayUnaccessData
SafeArrayAccessData
LoadTypeLi
LoadRegTypeLi
VariantClear
VarBstrCmp
SysStringLen
SysAllocString
SysAllocStringByteLen
SysStringByteLen
SysFreeString

ntdll

RtlRaiseStatus
NtYieldExecution
RtlInitializeCriticalSection
RtlReAllocateHeap
RtlDeleteCriticalSection
RtlGetVersion
RtlFreeHeap
RtlAllocateHeap
RtlNtStatusToDosError
NtSetInformationFile

api-ms-win-downlevel-version-l1-1-0

GetFileVersionInfoSizeExW
VerQueryValueW
GetFileVersionInfoExW

Exports

Exports

DismAddCapability
DismAddDriver
DismAddPackage
DismApplyUnattend
DismCheckImageHealth
DismCleanupMountpoints
DismCloseSession
DismCommitImage
DismDelete
DismDisableFeature
DismEnableFeature
DismGetCapabilities
DismGetCapabilityInfo
DismGetDriverInfo
DismGetDrivers
DismGetFeatureInfo
DismGetFeatureParent
DismGetFeatures
DismGetImageInfo
DismGetLastErrorMessage
DismGetMountedImageInfo
DismGetPackageInfo
DismGetPackageInfoEx
DismGetPackages
DismInitialize
DismMountImage
DismOpenSession
DismRemountImage
DismRemoveCapability
DismRemoveDriver
DismRemovePackage
DismRestoreImageHealth
DismShutdown
DismUnmountImage
_DismAddProvisionedAppxPackage
_DismApplyCustomDataImage
_DismApplyFfuImage
_DismApplyProvisioningPackage
_DismCleanupSession
_DismEnableDisableFeature
_DismExportDriver
_DismGetCurrentEdition
_DismGetEffectiveSystemUILanguage
_DismGetFeaturesEx
_DismGetKCacheBinaryValue
_DismGetKCacheDwordValue
_DismGetKCacheStringValue
_DismGetLastCBSSessionID
_DismGetOsInfo
_DismGetProductKeyInfo
_DismGetProvisionedAppxPackages
_DismGetProvisioningPackageInfo
_DismGetRegistryMountPoint
_DismGetStateFromCBSSessionID
_DismGetTargetEditions
_DismGetUsedSpace
_DismOptimizeImage
_DismRemoveProvisionedAppxPackage
_DismSetAllIntlSettings
_DismSetAppXProvisionedDataFile
_DismSetEdition
_DismSetFirstBootCommandLine
_DismSetMachineName
_DismSetProductKey
_DismSplitFfuImage
_DismStage
_DismValidateProductKey

Sections

.text
Size: 609KB - Virtual size: 609KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fe5bb468ffabefa495b7209afe6dbfcd

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

fb:0c:97:a3:17:f2:6e:93:32:16:d3:17:99:5f:a4:c8:43:a8:7b:bb:79:ec:8b:d2:a9:68:dd:7a:3e:db:be:19Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

api-ms-win-downlevel-advapi32-l1-1-1

api-ms-win-downlevel-kernel32-l1-1-0

api-ms-win-downlevel-ole32-l1-1-1

api-ms-win-downlevel-kernel32-l2-1-0

api-ms-win-downlevel-user32-l1-1-1

oleaut32

ntdll

api-ms-win-downlevel-version-l1-1-0

Exports

Exports

Sections

.text Size: 609KB - Virtual size: 609KB

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

.idata Size: 6KB - Virtual size: 5KB

.rsrc Size: 12KB - Virtual size: 12KB

.reloc Size: 36KB - Virtual size: 36KB

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

fb:0c:97:a3:17:f2:6e:93:32:16:d3:17:99:5f:a4:c8:43:a8:7b:bb:79:ec:8b:d2:a9:68:dd:7a:3e:db:be:19
Signer

.text
Size: 609KB - Virtual size: 609KB

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

.idata
Size: 6KB - Virtual size: 5KB

.rsrc
Size: 12KB - Virtual size: 12KB

.reloc
Size: 36KB - Virtual size: 36KB