DismApi[.]dll | Triage

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General

Target

DismApi.dll
Size

677KB
MD5

ad4694481f9ff37a226c6efc3bd99d57
SHA1

348dd6a8df72a7074a0c85582b30f5a20c74a4c0
SHA256

b9c52427b5b3809f650c02a0e5ee9338877240868d0c99abb27a90ab0d949b6d
SHA512

80c30db78c6422ee02bcd204c29b294b929e6c4e828c5f966e1046d52300d78b008469950e51ab0705d64f107c0c3f64f0b028d23d2ee66371794660465a73e9
SSDEEP

12288:PhhFW10yHfSlN5FBFxIXGfMJF+L8dFbUvT56F/pmH:PhLW7HfmBb5nSbm56F/pi

Score

1^/10

Malware Config

Signatures

Files

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

7757865fdfda003aef1ad406df3e3dbb

Code Sign

33:00:00:00:bc:e1:20:fd:d2:7c:c8:ee:93:00:00:00:00:00:bc
Certificate

Issuer

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

Not Before

18/08/2015, 17:15

Not After

18/11/2016, 17:15

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

28:88:2d:04:e0:bf:02:f6:40:d3:b8:e8:74:2e:6d:bf:c8:ff:1f:73:f8:a5:5c:d6:4a:85:97:3d:f4:bc:7a:9c
Signer

Actual PE Digest

28:88:2d:04:e0:bf:02:f6:40:d3:b8:e8:74:2e:6d:bf:c8:ff:1f:73:f8:a5:5c:d6:4a:85:97:3d:f4:bc:7a:9c

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
_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
memset
_vscprintf
vsprintf_s
calloc
_vsnprintf
?what@exception@@UBEPBDXZ
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
??0exception@@QAE@ABQBD@Z
iswspace
swscanf_s
_wtoi
memcmp
_ftol2
wcschr
_wcstoui64
wcstoul
_purecall
_wcsicmp
iswalpha
malloc
free
vswprintf_s
_vscwprintf
memmove_s
memcpy_s
memcpy

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

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

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

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

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

CoInitializeEx
CoUninitialize
CoCreateInstance
GetErrorInfo
CoSetProxyBlanket

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

LocalFree
CreateFileMappingA

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

CharLowerBuffW

oleaut32

VarBstrCat
SysAllocStringLen
SystemTimeToVariantTime
VariantTimeToSystemTime
SysStringByteLen
SysAllocStringByteLen
SysAllocString
SysStringLen
VarBstrCmp
VariantClear
LoadRegTypeLi
LoadTypeLi
SafeArrayAccessData
SafeArrayUnaccessData
SafeArrayDestroy
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: 606KB - Virtual size: 606KB

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

7757865fdfda003aef1ad406df3e3dbb

Code Sign

33:00:00:00:bc:e1:20:fd:d2:7c:c8:ee:93:00:00:00:00:00:bcCertificate

Extended Key Usages

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

Key Usages

28:88:2d:04:e0:bf:02:f6:40:d3:b8:e8:74:2e:6d:bf:c8:ff:1f:73:f8:a5:5c:d6:4a:85:97:3d:f4:bc:7a:9cSigner

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: 606KB - Virtual size: 606KB

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

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

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

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

33:00:00:00:bc:e1:20:fd:d2:7c:c8:ee:93:00:00:00:00:00:bc
Certificate

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

28:88:2d:04:e0:bf:02:f6:40:d3:b8:e8:74:2e:6d:bf:c8:ff:1f:73:f8:a5:5c:d6:4a:85:97:3d:f4:bc:7a:9c
Signer

.text
Size: 606KB - Virtual size: 606KB

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

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

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

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