dllhost[.]exe | Triage

Resubmissions

23/02/2024, 06:56

240223-hqqwzadf45 1

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General

Target

dllhost.exe
Size

20KB
MD5

bf60b3f6e01eddede8551fa076472057
SHA1

4961f755350d49638bd861362fc90c4858ad8c24
SHA256

d9b3874aa63f62699d5ae1ade9959b45860d55233e93a1064d83b63307ea7435
SHA512

fdf2f517401a7e2ca9fa6263a7c190fecb54708f17aada56fe9aa45d7c14db0d7b823c76fdac4387a7b46292b903d5d68bf9581c02f6f88d9e63af5c347c0516
SSDEEP

384:/DjJznrQL2JxjucCWA5WGJDBRJEwBmfWojR9zuswqBYfHIT:/D9ML2mckp1PafWoF9zu9fHc

Score

1^/10

Malware Config

Signatures

Files

dllhost.exe
.exe windows:10 windows x86 arch:x86

b7f063f6e914db6acb4dcc8d69219a5f

Code Sign

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3b
Certificate

Issuer

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

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

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

a6:1c:3c:c5:4e:bb:8b:09:a0:f0:73:02:7b:3f:60:d7:5e:d2:01:0e:47:4c:ec:46:99:72:f1:e0:e9:5b:1d:3c
Signer

Actual PE Digest

a6:1c:3c:c5:4e:bb:8b:09:a0:f0:73:02:7b:3f:60:d7:5e:d2:01:0e:47:4c:ec:46:99:72:f1:e0:e9:5b:1d:3c

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

dllhost.pdb

Imports

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

_c_exit
_initterm_e
_register_thread_local_exe_atexit_callback
_initterm

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

_o___p__commode
_o__cexit
_o__configthreadlocale
_o__configure_wide_argv
_o__controlfp_s
_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
__current_exception
__current_exception_context
_except_handler4_common

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

memset

ntdll

NtSetInformationProcess

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

CoRegisterSurrogateEx

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

TerminateProcess
GetCurrentThreadId
GetCurrentProcessId
GetStartupInfoW
GetCurrentProcess

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

CoInitializeEx
CoUninitialize
IIDFromString

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

SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

IsProcessorFeaturePresent

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

GetModuleHandleW

Sections

.text
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 992B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 2KB

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: 372B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

b7f063f6e914db6acb4dcc8d69219a5f

Code Sign

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3bCertificate

Extended Key Usages

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

Key Usages

a6:1c:3c:c5:4e:bb:8b:09:a0:f0:73:02:7b:3f:60:d7:5e:d2:01:0e:47:4c:ec:46:99:72:f1:e0:e9:5b:1d:3cSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

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: 5KB - Virtual size: 5KB

.data Size: 512B - Virtual size: 992B

.idata Size: 2KB - Virtual size: 2KB

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

.reloc Size: 512B - Virtual size: 372B

33:00:00:03:3b:65:5f:ae:fa:db:75:e9:d6:00:00:00:00:03:3b
Certificate

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

a6:1c:3c:c5:4e:bb:8b:09:a0:f0:73:02:7b:3f:60:d7:5e:d2:01:0e:47:4c:ec:46:99:72:f1:e0:e9:5b:1d:3c
Signer

.text
Size: 5KB - Virtual size: 5KB

.data
Size: 512B - Virtual size: 992B

.idata
Size: 2KB - Virtual size: 2KB

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

.reloc
Size: 512B - Virtual size: 372B