dllhost[.]exe | Triage

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General

Target

dllhost.exe
Size

20KB
MD5

08eb78e5be019df044c26b14703bd1fa
SHA1

2ce12a317bebf8293f3544433a55d972a5967996
SHA256

e7fc40b41aa8b83841a0b96d169eaf0800aa784733e636935374d56536253f10
SHA512

a2bc4eb15048c182af80192c19147d8871396b1463a8cb9257c80b142698b71a8093c65206847d9e07fcc2fbed0829390908597f617e26ac6523577927836562
SSDEEP

384:lJRXcksOiPxc+rWw5Ww78hDBRJXP+CcWlGsaX:lJR7cxcEKh1PfwL

Score

1^/10

Malware Config

Signatures

Files

dllhost.exe
.exe windows x64

cf79fce90fced31836373f3e48251a5d

Code Sign

33:00:00:02:65:51:ae:1b:bd:00:5c:bf:bd:00:00:00:00:02:65
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

07:f7:2e:c5:c3:9a:54:a3:3c:0e:92:38:e4:2e:51:71:68:68:20:29:21:0a:a9:cd:ac:64:71:16:b9:d1:b9:54
Signer

Actual PE Digest

07:f7:2e:c5:c3:9a:54:a3:3c:0e:92:38:e4:2e:51:71:68:68:20:29:21:0a:a9:cd:ac:64:71:16:b9:d1:b9:54

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

27-02-2023 09:30
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

Imports

api-ms-win-crt-runtime-l1-1-0

_c_exit
_register_thread_local_exe_atexit_callback
_initterm_e
_initterm

api-ms-win-crt-private-l1-1-0

_o__cexit
_o__configthreadlocale
_o__configure_wide_argv
_o__crt_atexit
_o__exit
_o__get_wide_winmain_command_line
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
_o__wcsicmp
_o_exit
_o_terminate
__C_specific_handler
_o___p__commode

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

memset

ntdll

RtlLookupFunctionEntry
RtlVirtualUnwind
RtlCaptureContext

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

CoRegisterSurrogateEx

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

GetStartupInfoW
GetCurrentThreadId
GetCurrentProcessId
GetCurrentProcess
TerminateProcess

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

CoUninitialize
IIDFromString
CoInitializeEx

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

HeapSetInformation

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime

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

InitializeSListHead

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

IsDebuggerPresent

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

UnhandledExceptionFilter
SetUnhandledExceptionFilter

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

IsProcessorFeaturePresent

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

GetModuleHandleW

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 420B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 1000B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cf79fce90fced31836373f3e48251a5d

Code Sign

33:00:00:02:65:51:ae:1b:bd:00:5c:bf:bd:00:00:00:00:02:65Certificate

Extended Key Usages

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

Key Usages

07:f7:2e:c5:c3:9a:54:a3:3c:0e:92:38:e4:2e:51:71:68:68:20:29:21:0a:a9:cd:ac:64:71:16:b9:d1:b9:54Signer

Signature Validations

Verification

27-02-2023 09:30 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-private-l1-1-0

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

ntdll

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

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

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

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

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

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

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

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

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

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

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

Sections

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

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

.data Size: 512B - Virtual size: 1KB

.pdata Size: 512B - Virtual size: 420B

.rsrc Size: 1024B - Virtual size: 1000B

.reloc Size: 512B - Virtual size: 40B

33:00:00:02:65:51:ae:1b:bd:00:5c:bf:bd:00:00:00:00:02:65
Certificate

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

07:f7:2e:c5:c3:9a:54:a3:3c:0e:92:38:e4:2e:51:71:68:68:20:29:21:0a:a9:cd:ac:64:71:16:b9:d1:b9:54
Signer

27-02-2023 09:30
Valid: false

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

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

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 512B - Virtual size: 420B

.rsrc
Size: 1024B - Virtual size: 1000B

.reloc
Size: 512B - Virtual size: 40B