fontdrvhost[.]exe

Sharing

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General

Target

fontdrvhost.exe
Size

650KB
MD5

4e30879b3c520b75437a6eccda2ecafa
SHA1

73a4c23ff1944f46cc5b7279de21e0dc04692fef
SHA256

9139de155af29c1d835ec1b39a7c42b4e04123fbb7b3016b945487403aceb63d
SHA512

4df96ba795d19375258a65306330cecfbd9c049c358769066f9b7502b0c1775dc08de3a9b94849ea2ed02f618be6226e28be0add23e61cc619218512334f28bf
SSDEEP

12288:8ArRH37EUjjgp2Wei787Ev+CLQSzmJNfNu2LK2i9:8ArRHQUjjKee8Yv8JNI2LN

Score

1^/10

Malware Config

Signatures

Files

fontdrvhost.exe
.exe windows:10 windows x86

bbfebc3fb1b713d816c74d99066b8774

Code Sign

33:00:00:03:8c:38:5d:5c:2e:74:83:cc:fb:00:00:00:00:03:8c
Certificate

Issuer

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

Not Before

05/05/2022, 19:23

Not After

04/05/2023, 19:23

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

be:91:d4:cc:53:79:e4:87:48:5c:58:f3:04:c1:56:0f:69:7d:9f:bc:fa:14:59:7f:5d:8f:4a:61:68:4f:1b:81
Signer

Actual PE Digest

be:91:d4:cc:53:79:e4:87:48:5c:58:f3:04:c1:56:0f:69:7d:9f:bc:fa:14:59:7f:5d:8f:4a:61:68:4f:1b:81

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

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_32BIT_MACHINE

Imports

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

_initterm_e
_c_exit
_register_thread_local_exe_atexit_callback
_initterm

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

strnlen
strncmp
wcsncmp
memset

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

_o__callnewh
_o__cexit
_o__configthreadlocale
_o__configure_narrow_argv
_o__controlfp_s
_o__crt_atexit
_o__errno
_o__exit
_o__get_initial_narrow_environment
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__invalid_parameter_noinfo
_o__invalid_parameter_noinfo_noreturn
_o__itow
_o__lfind
_o__purecall
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
memmove
_o__set_new_mode
_o__stricmp
_o__strlwr
_o__wcsicmp
_o__wcsnicmp
_o_atoi
_o_atol
_o_bsearch
_o_exit
_o_free
_o_isdigit
_o_islower
_o_iswdigit
_o_isxdigit
_o_malloc
_o_qsort
_o_rand
_o_rand_s
_o_strtol
_o_terminate
_except_handler4_common
wcsrchr
_o___stdio_common_vswprintf
_o___stdio_common_vsprintf
_o___stdio_common_vsnprintf_s
_o___stdio_common_vfprintf
_o___std_exception_destroy
_o___std_exception_copy
_o___p__commode
_o___p___argv
_o___p___argc
wcschr
strchr
strstr
__CxxFrameHandler3
__std_terminate
_CxxThrowException
_o___acrt_iob_func
memcmp
memcpy

kernel32

RaiseException
HeapFree
WaitForMultipleObjects
LoadLibraryExW
MapViewOfFile
CreateFileMappingW
TlsGetValue
FreeLibrary
SetFileInformationByHandle
GetFileInformationByHandle
MultiByteToWideChar
UnmapViewOfFile
DebugBreak
DeleteCriticalSection
AcquireSRWLockShared
CreateMutexExW
GetProcAddress
CreateThreadpoolTimer
ReleaseSRWLockShared
SetThreadpoolTimer
CloseHandle
OpenSemaphoreW
WaitForSingleObjectEx
AcquireSRWLockExclusive
CloseThreadpoolTimer
OutputDebugStringW
ReleaseSRWLockExclusive
GetLastError
FormatMessageW
ReleaseMutex
WaitForSingleObject
WaitForThreadpoolTimerCallbacks
InitializeCriticalSectionEx
LeaveCriticalSection
GetModuleHandleExW
ReleaseSemaphore
EnterCriticalSection
CreateSemaphoreExW
GetModuleFileNameA
MulDiv
SetLastError
GlobalFree
GlobalAlloc
TerminateProcess
GetCurrentProcess
GetModuleHandleW
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetProcessHeap
HeapAlloc
CreateThread
TlsAlloc
SetProcessMitigationPolicy
GetEnvironmentVariableW
InitializeCriticalSection
SetProcessShutdownParameters
TlsSetValue

ntdll

RtlSetThreadWorkOnBehalfTicket
RtlClearThreadWorkOnBehalfTicket
RtlMultiByteToUnicodeN
RtlRaiseException

gdi32

EngWideCharToMultiByte
EngMultiByteToWideChar
EngUnicodeToMultiByteN
EngMultiByteToUnicodeN
EngCreateSemaphore
EngAcquireSemaphore
EngReleaseSemaphore
EngGetCurrentCodePage

msvcp_win

?_Xlength_error@std@@YAXPBD@Z

Sections

.text
Size: 595KB - Virtual size: 595KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bbfebc3fb1b713d816c74d99066b8774

Code Sign

33:00:00:03:8c:38:5d:5c:2e:74:83:cc:fb:00:00:00:00:03:8cCertificate

Extended Key Usages

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

Key Usages

be:91:d4:cc:53:79:e4:87:48:5c:58:f3:04:c1:56:0f:69:7d:9f:bc:fa:14:59:7f:5d:8f:4a:61:68:4f:1b:81Signer

Headers

DLL Characteristics

File Characteristics

Imports

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

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

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

kernel32

ntdll

gdi32

msvcp_win

Sections

.text Size: 595KB - Virtual size: 595KB

.data Size: 11KB - Virtual size: 27KB

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

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 21KB - Virtual size: 21KB

33:00:00:03:8c:38:5d:5c:2e:74:83:cc:fb:00:00:00:00:03:8c
Certificate

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

be:91:d4:cc:53:79:e4:87:48:5c:58:f3:04:c1:56:0f:69:7d:9f:bc:fa:14:59:7f:5d:8f:4a:61:68:4f:1b:81
Signer

.text
Size: 595KB - Virtual size: 595KB

.data
Size: 11KB - Virtual size: 27KB

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

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 21KB - Virtual size: 21KB