Static task
static1
Behavioral task
behavioral1
Sample
学生助手.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
学生助手.exe
Resource
win10v2004-20230831-en
General
-
Target
学生助手.exe
-
Size
302KB
-
MD5
894541170b7103af834fea1cfe7e20d2
-
SHA1
4917f747535904c480a792e88e7ff7614edd2414
-
SHA256
981402ca42f8a7ba04286e637a157c8c6f5a21409863b4446a6e332537ef6f59
-
SHA512
4472b0a7158da4bb62d1bb1a6173c96636eed57d0fcba5fcec3ed32d6734ca6c911a3057d29e4b7af795f8894ea990d17e41c2fac6e8182094c54218f4329481
-
SSDEEP
3072:B9r+mgaRoUD23hSZw3pD1/PNZUZT4wRFplrLsy:Bp+mlRo828cPNZUZTR/lvsy
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 学生助手.exe
Files
-
学生助手.exe.exe windows x86
7fdf3850f2a5a4d4adb873d88a5e2726
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GlobalAddAtomA
CloseHandle
CreateThread
CreateProcessA
GlobalFindAtomA
GlobalDeleteAtom
InitializeSListHead
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetModuleHandleW
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetEnvironmentVariableA
TerminateProcess
GlobalAddAtomW
GetSystemTimeAsFileTime
GetModuleFileNameA
user32
UnregisterHotKey
GetMessageA
DispatchMessageA
LoadCursorA
PostMessageA
CallNextHookEx
SetThreadDesktop
GetThreadDesktop
CloseDesktop
SetWindowsHookExA
RegisterHotKey
RegisterClassA
MessageBoxA
PostQuitMessage
LoadIconA
SwitchDesktop
CreateDesktopA
TranslateMessage
CreateWindowExA
DefWindowProcA
UnhookWindowsHookEx
gdi32
CreateSolidBrush
shell32
ShellExecuteA
msvcp140
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAV01@AAV01@@Z@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
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@H@Z
?good@ios_base@std@@QBE_NXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UAE@XZ
?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
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?_Xbad_alloc@std@@YAXXZ
?_Xout_of_range@std@@YAXPBD@Z
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Xlength_error@std@@YAXPBD@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE_N_N@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEDD@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IAE@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?_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
ws2_32
accept
WSACleanup
htons
WSAGetLastError
sendto
listen
bind
freeaddrinfo
closesocket
recv
connect
socket
send
WSAStartup
getaddrinfo
inet_pton
vcruntime140
memchr
memcpy
memmove
_except_handler4_common
memset
__CxxFrameHandler3
__std_exception_destroy
__std_exception_copy
__std_terminate
_CxxThrowException
__current_exception
__current_exception_context
api-ms-win-crt-stdio-l1-1-0
_set_fmode
__stdio_common_vsprintf_s
__p__commode
api-ms-win-crt-runtime-l1-1-0
_register_thread_local_exe_atexit_callback
_initterm
_get_narrow_winmain_command_line
_invalid_parameter_noinfo_noreturn
terminate
_exit
_controlfp_s
_configure_narrow_argv
_initialize_narrow_environment
exit
_initterm_e
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_c_exit
api-ms-win-crt-heap-l1-1-0
_callnewh
free
_set_new_mode
malloc
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 21KB - Virtual size: 20KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 265KB - Virtual size: 264KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ