DismHost[.]exe

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General

Target

DismHost.exe
Size

168KB
MD5

17275206102d1cf6f17346fd73300030
SHA1

bbec93f6fb2ae56c705efd6e58d6b3cc68bf1166
SHA256

dead0ebd5b5bf5d4b0e68ba975e9a70f98820e85d056b0a6b3775fc4df4da0f6
SHA512

ce14a4f95328bb9ce437c5d79084e9d647cb89b66cde86a540b200b1667edc76aa27a36061b6e2ceccecb70b9a011b4bd54040e2a480b8546888ba5cc84a01b3
SSDEEP

3072:u6bLa/eoNP/VYbxYxVipvxx9hXD0L6/Dk6F62G0rrqw:u6q/eMYbxYxAVxr1DY6v62G0l

Score

1^/10

Malware Config

Signatures

Files

DismHost.exe
.exe windows x64

abd337557ee12f0d04a61a058d3fd18d

Code Sign

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:ed
Certificate

Issuer

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

Not Before

15/12/2020, 21:29

Not After

02/12/2021, 21:29

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

5c:89:92:33:03:08:79:05:27:fc:2e:0e:b8:5c:99:c2:64:bd:ba:66:3f:ce:99:50:d3:69:9a:18:4f:56:f1:e4
Signer

Actual PE Digest

5c:89:92:33:03:08:79:05:27:fc:2e:0e:b8:5c:99:c2:64:bd:ba:66:3f:ce:99:50:d3:69:9a:18:4f:56:f1:e4

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

30/03/2023, 10:57
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP

Imports

msvcrt

_vsnprintf
towlower
wcschr
_wcsnicmp
_vsnwprintf
_vscprintf
vsprintf_s
vswprintf_s
_vscwprintf
swscanf_s
memset
memcmp
memcpy
_onexit
__dllonexit
_unlock
_lock
??1type_info@@UEAA@XZ
?terminate@@YAXXZ
_commode
_fmode
_acmdln
_initterm
__setusermatherr
_ismbblead
_cexit
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
_XcptFilter
_CxxThrowException
_callnewh
?what@exception@@UEBAPEBDXZ
??1exception@@UEAA@XZ
??0exception@@QEAA@AEBV0@@Z
??0exception@@QEAA@AEBQEBDH@Z
_wcsicmp
wcscpy_s
_beginthreadex
wcsstr
strrchr
iswctype
fclose
wcstok_s
_wfopen
fgetws
feof
wcsrchr
calloc
memmove_s
malloc
memcpy_s
_purecall
free
__C_specific_handler
_wtoi
__CxxFrameHandler3

ntdll

RtlFreeHeap
RtlAllocateHeap
RtlNtStatusToDosError
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
RtlGetVersion

kernel32

WriteFile
FormatMessageA
TlsFree
TlsGetValue
GetFileSize
GetLocalTime
TlsAlloc
TlsSetValue
VirtualQuery
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
LoadLibraryExA
VirtualProtect
MapViewOfFile
CreateFileMappingW
UnmapViewOfFile
SearchPathW
GetVersionExW
FlushFileBuffers
DeleteFileW
DeviceIoControl
SetLastError
FreeLibrary
IsDebuggerPresent
GetWindowsDirectoryW
GetFileSizeEx
GetLastError
InitializeCriticalSection
CreateEventExW
CloseHandle
SetEvent
WaitForSingleObjectEx
HeapAlloc
GetProcessHeap
GetModuleHandleW
SetErrorMode
GetCommandLineW
DeleteCriticalSection
RaiseException
GetCurrentThreadId
SetThreadUILanguage
HeapFree
EnterCriticalSection
LeaveCriticalSection
OpenEventW
WaitForMultipleObjectsEx
ExitProcess
OutputDebugStringW
GetModuleFileNameW
HeapSize
HeapReAlloc
HeapDestroy
GetEnvironmentVariableW
MultiByteToWideChar
WideCharToMultiByte
Sleep
GetStartupInfoW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetTickCount
OutputDebugStringA
GetSystemInfo
GetModuleHandleExW
WaitForSingleObject
GetModuleFileNameA
GetModuleHandleExA
DebugBreak
CreateFileMappingA
DeleteFileA
CreateFileA
GetVersion
ReleaseMutex
CreateMutexA
CreateMutexW
SetFilePointer
GetSystemWindowsDirectoryW
ExpandEnvironmentStringsW
SizeofResource
LockResource
LoadResource
FindResourceExW
CreateFileW
FormatMessageW
LocalFree
LoadLibraryExW
GetProcAddress
GetTempFileNameW
GetCurrentThread

Sections

.text
Size: 92KB - Virtual size: 91KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 40KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 4KB - Virtual size: 448B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 588B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

abd337557ee12f0d04a61a058d3fd18d

Code Sign

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:edCertificate

Extended Key Usages

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

Key Usages

5c:89:92:33:03:08:79:05:27:fc:2e:0e:b8:5c:99:c2:64:bd:ba:66:3f:ce:99:50:d3:69:9a:18:4f:56:f1:e4Signer

Signature Validations

Verification

30/03/2023, 10:57 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

ntdll

kernel32

Sections

.text Size: 92KB - Virtual size: 91KB

.rdata Size: 40KB - Virtual size: 37KB

.data Size: 4KB - Virtual size: 4KB

.pdata Size: 8KB - Virtual size: 4KB

.didat Size: 4KB - Virtual size: 448B

.rsrc Size: 4KB - Virtual size: 3KB

.reloc Size: 4KB - Virtual size: 588B

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:ed
Certificate

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

5c:89:92:33:03:08:79:05:27:fc:2e:0e:b8:5c:99:c2:64:bd:ba:66:3f:ce:99:50:d3:69:9a:18:4f:56:f1:e4
Signer

30/03/2023, 10:57
Valid: false

.text
Size: 92KB - Virtual size: 91KB

.rdata
Size: 40KB - Virtual size: 37KB

.data
Size: 4KB - Virtual size: 4KB

.pdata
Size: 8KB - Virtual size: 4KB

.didat
Size: 4KB - Virtual size: 448B

.rsrc
Size: 4KB - Virtual size: 3KB

.reloc
Size: 4KB - Virtual size: 588B