fontdrvhost[.]exe

Sharing

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General

Target

fontdrvhost.exe
Size

808KB
MD5

c4e9ed8a84520ff6cae9711d1e7de3f3
SHA1

f6082d6d1a2e163a669ab632d3836ba4e6bb3eec
SHA256

244f3219ef624866a824a730a72d29238331fccfc330d02503a52419856ad0be
SHA512

af1e3aa242657317e71b4fcf7a3745ac27175943718d5ae892c2b89922f4b991802c9934ef9a6b4a1f82008f4c703139c0eef15bb9f754069f500091984c396e
SSDEEP

12288:7idEGRVCoAV+bTNqHZ7ekbkPKywAfy9xdPHUrnnEcYBmPrfmS+433kADMlbabqCC:TGyoTyZCk8kSYpSyBmjfmynkADMlbab

Score

1^/10

Malware Config

Signatures

Files

fontdrvhost.exe
.exe windows x64

989876a70d351bcbbd2eda76b3b11b86

Code Sign

33:00:00:04:13:31:bc:19:88:07:a9:07:74:00:00:00:00:04:13
Certificate

Issuer

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

Not Before

03/02/2023, 00:05

Not After

01/02/2024, 00:05

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

fc:de:e2:aa:9c:e6:9e:56:62:3d:e3:ac:ed:d7:c6:7d:a6:d0:46:80:f6:00:c7:81:56:44:7f:4b:6d:02:b6:6a
Signer

Actual PE Digest

fc:de:e2:aa:9c:e6:9e:56:62:3d:e3:ac:ed:d7:c6:7d:a6:d0:46:80:f6:00:c7:81:56:44:7f:4b:6d:02:b6:6a

Digest Algorithm

sha256

PE Digest Matches

true

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

msvcp_win

?_Xlength_error@std@@YAXPEBD@Z

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

_initterm
_initterm_e
_register_thread_local_exe_atexit_callback
_c_exit

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

_o__callnewh
_o__cexit
_o__configthreadlocale
_o__configure_narrow_argv
_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
_o__set_new_mode
memmove
_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_realloc
_o_sqrt
_o_strtol
_o_terminate
_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
_o___acrt_iob_func
__C_specific_handler
strchr
wcschr
wcsrchr
strstr
__CxxFrameHandler4
__std_terminate
__CxxFrameHandler3
_CxxThrowException
memcmp
memcpy

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

strnlen
strncmp
strcmp
memset
wcsncmp

kernel32

RaiseException
GetACP
GetOEMCP
MapViewOfFile
CreateFileMappingW
TlsGetValue
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
ReleaseSemaphore
EnterCriticalSection
CreateSemaphoreExW
GetModuleFileNameA
RtlRaiseException
MulDiv
SetLastError
GlobalFree
GlobalAlloc
TerminateProcess
GetCurrentProcess
GetModuleHandleW
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetProcessHeap
ExitProcess
HeapAlloc
CreateThread
TlsAlloc
SetProcessMitigationPolicy
GetEnvironmentVariableW
InitializeCriticalSection
SetProcessShutdownParameters
WaitForMultipleObjects
HeapFree
TlsSetValue
WideCharToMultiByte
GetModuleHandleExW

ntdll

RtlMultiByteToUnicodeN
RtlClearThreadWorkOnBehalfTicket
RtlAllocateHeap
RtlUnicodeToMultiByteN
RtlSetThreadWorkOnBehalfTicket

win32u

NtGdiExtEscape

Sections

.text
Size: 635KB - Virtual size: 634KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 101KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 21KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 27KB - Virtual size: 26KB

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: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

989876a70d351bcbbd2eda76b3b11b86

Code Sign

33:00:00:04:13:31:bc:19:88:07:a9:07:74:00:00:00:00:04:13Certificate

Extended Key Usages

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

Key Usages

fc:de:e2:aa:9c:e6:9e:56:62:3d:e3:ac:ed:d7:c6:7d:a6:d0:46:80:f6:00:c7:81:56:44:7f:4b:6d:02:b6:6aSigner

Headers

DLL Characteristics

File Characteristics

Imports

msvcp_win

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

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

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

kernel32

ntdll

win32u

Sections

.text Size: 635KB - Virtual size: 634KB

.rdata Size: 101KB - Virtual size: 101KB

.data Size: 21KB - Virtual size: 42KB

.pdata Size: 27KB - Virtual size: 26KB

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

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

33:00:00:04:13:31:bc:19:88:07:a9:07:74:00:00:00:00:04:13
Certificate

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

fc:de:e2:aa:9c:e6:9e:56:62:3d:e3:ac:ed:d7:c6:7d:a6:d0:46:80:f6:00:c7:81:56:44:7f:4b:6d:02:b6:6a
Signer

.text
Size: 635KB - Virtual size: 634KB

.rdata
Size: 101KB - Virtual size: 101KB

.data
Size: 21KB - Virtual size: 42KB

.pdata
Size: 27KB - Virtual size: 26KB

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

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