fontdrvhost[.]exe

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General

Target

fontdrvhost.exe
Size

654KB
MD5

51d7991b96e500d326e159daf2a3ed7c
SHA1

83a611748770e26c2a9d4f73bf333337e2553a59
SHA256

77b4f6aaacd8b5e5f225ae73fadcb820f4643d8c97830b9414ed8f00e6f76821
SHA512

a6c1547e42a427319941d57bfe54e864ec4d63206357cbb54c9ebfe9dd4f12284d7011b112754adf64709b3014566a864f9229f975f6016eda3919201a27ec5e
SSDEEP

12288:CANjTC5C60gUcsqjoQQzQypH1gdSeojWMsj6/Kk5L3NF6WD5yOlN:CAN3Ckd6BoQQz1FmdSeojWM0aKk5L3LW

Score

1^/10

Malware Config

Signatures

Files

fontdrvhost.exe
.exe windows:10 windows x86 arch:x86

1e28be7b53ea775bc96a429cbd714d3c

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
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

bc:60:2f:18:c1:6f:49:1a:0a:31:8a:23:4e:6b:35:45:f6:53:9b:02:c0:e3:49:28:08:b3:81:f3:03:bf:da:3d
Signer

Actual PE Digest

bc:60:2f:18:c1:6f:49:1a:0a:31:8a:23:4e:6b:35:45:f6:53:9b:02:c0:e3:49:28:08:b3:81:f3:03:bf:da:3d

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

PDB Paths

fontdrvhost.pdb

Imports

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

_c_exit
_register_thread_local_exe_atexit_callback
_initterm_e
_initterm

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

memset
strncmp
wcsncmp
strnlen

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___stdio_common_vsprintf
_o__seh_filter_exe
_o__set_app_type
memmove
_o__set_fmode
_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
strchr
_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
_o___stdio_common_vswprintf
__std_terminate
__CxxFrameHandler3
wcschr
wcsrchr
strstr
_CxxThrowException
memcmp
memcpy
_o__register_onexit_function

kernel32

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

ntdll

RtlClearThreadWorkOnBehalfTicket
RtlSetThreadWorkOnBehalfTicket
RtlMultiByteToUnicodeN
RtlRaiseException

gdi32

EngMultiByteToWideChar
EngMultiByteToUnicodeN
EngCreateSemaphore
EngAcquireSemaphore
EngReleaseSemaphore
EngGetCurrentCodePage
EngWideCharToMultiByte
EngUnicodeToMultiByteN

msvcp_win

?_Xlength_error@std@@YAXPBD@Z

Sections

.text
Size: 600KB - Virtual size: 599KB

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: 22KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1e28be7b53ea775bc96a429cbd714d3c

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66Certificate

Extended Key Usages

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

Key Usages

bc:60:2f:18:c1:6f:49:1a:0a:31:8a:23:4e:6b:35:45:f6:53:9b:02:c0:e3:49:28:08:b3:81:f3:03:bf:da:3dSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

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: 600KB - Virtual size: 599KB

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

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

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

.reloc Size: 22KB - Virtual size: 21KB

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

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

bc:60:2f:18:c1:6f:49:1a:0a:31:8a:23:4e:6b:35:45:f6:53:9b:02:c0:e3:49:28:08:b3:81:f3:03:bf:da:3d
Signer

.text
Size: 600KB - Virtual size: 599KB

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

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

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

.reloc
Size: 22KB - Virtual size: 21KB