Static task
static1
Behavioral task
behavioral1
Sample
dyh (doxuhook).dll
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
dyh (doxuhook).dll
Resource
win10v2004-20230703-en
General
-
Target
dyh (doxuhook).dll
-
Size
890KB
-
MD5
945aebbb30c8ebe5cd9580189d1e7e7d
-
SHA1
5fa14e832c1f2772d16b5ceb66bda784e0276fd0
-
SHA256
99054e61b730f6b03b06d0382d40a8ff4aab67bf9a3106c5ac8d1e007cc80271
-
SHA512
16ac71f8c330d071b2633eafa34d0a4b10e7252d863ecb4c831cee97696d60822e830492a878132291f15dff032b7a29307e74686456e376146ed5f7b5a8e976
-
SSDEEP
24576:HFdv1juyB8/eklKRWSaKU5pNeKuAZRfkgXIhV+:HFdNazW4SafxuAZRjXIhV+
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource dyh (doxuhook).dll
Files
-
dyh (doxuhook).dll.dll windows x86
579c94877177205dde2708b85630c541
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetModuleHandleA
CreateThread
GetProcAddress
VirtualProtect
InterlockedCompareExchange
FlushInstructionCache
HeapCreate
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
OpenThread
GetThreadContext
SetThreadContext
SuspendThread
ResumeThread
Sleep
CloseHandle
GetModuleHandleW
CreateToolhelp32Snapshot
Thread32First
Thread32Next
VirtualAlloc
VirtualFree
VirtualQuery
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
RaiseException
MultiByteToWideChar
WideCharToMultiByte
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
GetLastError
GetProcessHeap
FreeLibrary
InterlockedExchange
msvcp140
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEXABVlocale@2@@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UAE@XZ
?copyfmt@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEAAV12@ABV12@@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UAE@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@H@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@PBD_J@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UAE@XZ
?getloc@ios_base@std@@QBE?AVlocale@2@XZ
?_Getcat@?$ctype@D@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
??Bid@locale@std@@QAEIXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPAU_iobuf@@PBDHH@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PAD1AAPAD@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QBE?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
?always_noconv@codecvt_base@std@@QBE_NXZ
?id@?$time_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@2V0locale@2@A
?_Getcat@?$time_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?put@?$time_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@QBE?AV?$ostreambuf_iterator@DU?$char_traits@D@std@@@2@V32@AAVios_base@2@DPBUtm@@PBD3@Z
?_Xinvalid_argument@std@@YAXPBD@Z
?_Xbad_function_call@std@@YAXXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UAE@XZ
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@PAD_J@Z
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@_JH@Z
?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE?AV?$fpos@U_Mbstatet@@@2@XZ
_Query_perf_frequency
_Thrd_sleep
_Query_perf_counter
_Xtime_get_ticks
?setprecision@std@@YA?AU?$_Smanip@_J@1@_J@Z
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QAE_JPB_W_J@Z
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QAEG_W@Z
??0?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IAE@XZ
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAEXXZ
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAEAAV12@XZ
?_Pninc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IAEPA_WXZ
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QAEXH_N@Z
??0?$basic_ios@_WU?$char_traits@_W@std@@@std@@IAE@XZ
??0?$basic_iostream@_WU?$char_traits@_W@std@@@std@@QAE@PAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@@Z
??1?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UAE@XZ
?_Lock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UAEXXZ
?_Unlock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UAEXXZ
?showmanyc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAE_JXZ
?uflow@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAEGXZ
?xsgetn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAE_JPA_W_J@Z
?xsputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAE_JPB_W_J@Z
?setbuf@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAEPAV12@PA_W_J@Z
?sync@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAEHXZ
?imbue@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MAEXABVlocale@2@@Z
??1?$basic_ios@_WU?$char_traits@_W@std@@@std@@UAE@XZ
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAEAAV01@P6AAAVios_base@1@AAV21@@Z@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QAEAAV01@M@Z
??1?$basic_iostream@_WU?$char_traits@_W@std@@@std@@UAE@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IAE@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEPADXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE_N_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@PBX@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@M@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@I@Z
?_Xlength_error@std@@YAXPBD@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Xout_of_range@std@@YAXPBD@Z
?_Xbad_alloc@std@@YAXXZ
?uncaught_exception@std@@YA_NXZ
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ
??0_Lockit@std@@QAE@H@Z
??1_Lockit@std@@QAE@XZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
vcruntime140
memchr
__CxxFrameHandler3
__vcrt_LoadLibraryExW
__std_exception_destroy
__std_exception_copy
__std_terminate
_purecall
__vcrt_GetModuleFileNameW
strstr
memcpy
__std_type_info_destroy_list
_except_handler4_common
_CxxThrowException
__current_exception_context
__current_exception
memset
memmove
api-ms-win-crt-heap-l1-1-0
malloc
free
_callnewh
api-ms-win-crt-convert-l1-1-0
_wtoi
strtol
strtoull
_wtof
atoi
strtoll
strtod
atof
strtoul
api-ms-win-crt-string-l1-1-0
strcat_s
isxdigit
tolower
toupper
isdigit
strcpy_s
api-ms-win-crt-math-l1-1-0
__libm_sse2_tanf
__libm_sse2_sinf
__libm_sse2_sin
__libm_sse2_powf
_dsign
__libm_sse2_expf
_dclass
_fdclass
fmaxf
remainderf
round
ceil
roundf
__libm_sse2_cosf
__libm_sse2_atanf
__libm_sse2_asinf
__libm_sse2_acosf
_CIfmod
fminf
api-ms-win-crt-runtime-l1-1-0
_crt_atexit
_invalid_parameter_noinfo_noreturn
_errno
_cexit
_initterm
_initterm_e
_register_onexit_function
_initialize_onexit_table
_seh_filter_dll
_initialize_narrow_environment
_configure_narrow_argv
_execute_onexit_table
terminate
api-ms-win-crt-stdio-l1-1-0
_fseeki64
_get_stream_buffer_pointers
__stdio_common_vsprintf
fread
fsetpos
ungetc
setvbuf
fgetpos
fwrite
fgetc
fclose
fputc
fflush
api-ms-win-crt-filesystem-l1-1-0
_lock_file
_unlock_file
api-ms-win-crt-time-l1-1-0
_time64
_localtime64
api-ms-win-crt-locale-l1-1-0
localeconv
Sections
.text Size: 685KB - Virtual size: 685KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 66KB - Virtual size: 66KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 70KB - Virtual size: 189KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
_RDATA Size: 10KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ