PCIe_Firmware_Upgrade
Static task
static1
Behavioral task
behavioral1
Sample
b3481476caeaaa33953cff6f854a66f6f5906d18802c06da7236f09587bcbc5e.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
b3481476caeaaa33953cff6f854a66f6f5906d18802c06da7236f09587bcbc5e.dll
Resource
win10v2004-20230915-en
General
-
Target
b3481476caeaaa33953cff6f854a66f6f5906d18802c06da7236f09587bcbc5e
-
Size
124KB
-
MD5
66aaa9a54c90b1548507fa2761506a13
-
SHA1
ef9992002ee4cc1fd2e9da6be3c0ace5648d2d67
-
SHA256
b3481476caeaaa33953cff6f854a66f6f5906d18802c06da7236f09587bcbc5e
-
SHA512
5c4d66446f4de0f0edcf0b53b8fa4ab332987301a94ea091bc20eafa530c52fe4734337aa53a8418a0a186cd5244ca8805ba47dbcfd63dec585135b511882f8a
-
SSDEEP
3072:q5YRFyufU72p4qEq66OfgC6RCpbmbT7+vMMahNN:nRfUapVlOfgtwbe/+9u
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b3481476caeaaa33953cff6f854a66f6f5906d18802c06da7236f09587bcbc5e
Files
-
b3481476caeaaa33953cff6f854a66f6f5906d18802c06da7236f09587bcbc5e.dll windows:5 windows x86
cdd91d4f72144bb514dcd8a95168542a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
kernel32
CloseHandle
DeviceIoControl
GetLastError
Sleep
CreateFileA
DecodePointer
EncodePointer
InterlockedCompareExchange
TerminateProcess
GetProcessHeap
HeapSize
HeapReAlloc
HeapFree
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
QueryPerformanceCounter
GetTickCount
GetCurrentThreadId
GetCurrentProcessId
GetSystemTimeAsFileTime
LocalFree
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
HeapDestroy
HeapAlloc
InterlockedExchange
oleaut32
VariantClear
msvcp100
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE_N_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IAE@XZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEPADXZ
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UAE@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@I@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UAE@XZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEXABVlocale@2@@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
?getloc@ios_base@std@@QBE?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?_Getcat@?$ctype@D@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?_Decref@facet@locale@std@@QAEPAV123@XZ
?_Incref@facet@locale@std@@QAEXXZ
??Bid@locale@std@@QAEIXZ
?_Xout_of_range@std@@YAXPBD@Z
?_Xlength_error@std@@YAXPBD@Z
?_BADOFF@std@@3_JB
?id@?$ctype@D@std@@2V0locale@2@A
??1_Lockit@std@@QAE@XZ
??0_Lockit@std@@QAE@H@Z
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ
msvcr100
vsprintf_s
??_V@YAXPAX@Z
memcpy_s
??1bad_cast@std@@UAE@XZ
??0bad_cast@std@@QAE@PBD@Z
??0bad_cast@std@@QAE@ABV01@@Z
__CxxFrameHandler3
_unlock
__dllonexit
_lock
_onexit
?terminate@@YAXXZ
_malloc_crt
_encoded_null
_initterm
_initterm_e
_amsg_exit
__CppXcptFilter
_crt_debugger_hook
?_type_info_dtor_internal_method@type_info@@QAEXXZ
_except_handler4_common
__clean_type_info_names_internal
_purecall
malloc
free
sscanf
_snprintf
??2@YAPAXI@Z
??3@YAXPAX@Z
memmove
??0exception@std@@QAE@ABV01@@Z
??0exception@std@@QAE@ABQBD@Z
??1exception@std@@UAE@XZ
?what@exception@std@@UBEPBDXZ
_CxxThrowException
memset
memcpy
Exports
Exports
Sections
.text Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 14KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 57KB - Virtual size: 101KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ