Static task
static1
Behavioral task
behavioral1
Sample
asf.exe
Resource
win10-20240404-fr
General
-
Target
asf.exe
-
Size
276KB
-
MD5
35457ff2e6f7290a7ce2d0198b7c7f90
-
SHA1
0f82e6112f53b76cf81338e91e8674ee6bfcae07
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SHA256
717ef4601e51bd5a9a7148655b9f53753b9ce6726ca084a55a78838eb3f861cf
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SHA512
3b152d16c1af0393c82c9a754127057c03a64fa9c8700a9d64a3c0dc019873aa084e5944434c373c388dbc6f39f6d90062c1cef1e6ef1a85ab36267708d8ace2
-
SSDEEP
6144:b4cak9NV8MqpJ6sd3YMdyV17cMVpnQD3:bxacnEPRnyz1pn
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource asf.exe
Files
-
asf.exe.exe windows:6 windows x64 arch:x64
5572651b400a32210c3e87846aa804ba
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
dwmapi
DwmExtendFrameIntoClientArea
kernel32
GlobalLock
GlobalUnlock
QueryPerformanceFrequency
QueryPerformanceCounter
DeviceIoControl
CreateFileW
GetModuleHandleA
CreateToolhelp32Snapshot
MultiByteToWideChar
Sleep
Process32NextW
Process32FirstW
CloseHandle
CreateThread
GetProcAddress
WideCharToMultiByte
GlobalFree
SetConsoleTitleW
GlobalAlloc
GetCurrentThreadId
GetModuleHandleW
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
lstrcmpiW
GetCurrentProcessId
user32
GetWindow
DefWindowProcW
GetWindowLongW
SetClipboardData
DestroyWindow
SetWindowPos
UnregisterClassW
RegisterClassExW
GetClipboardData
ShowWindow
GetAsyncKeyState
DispatchMessageW
PeekMessageW
GetForegroundWindow
CreateWindowExA
SetLayeredWindowAttributes
TranslateMessage
LoadIconW
FindWindowW
SetWindowLongW
PostQuitMessage
FindWindowA
UpdateWindow
GetKeyState
ScreenToClient
GetActiveWindow
EmptyClipboard
CloseClipboard
OpenClipboard
GetCursorPos
SetCursorPos
ReleaseCapture
GetClientRect
SetCursor
GetCapture
SetCapture
LoadCursorW
ClientToScreen
GetSystemMetrics
imm32
ImmGetContext
ImmReleaseContext
ImmSetCompositionWindow
msvcp140
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_K@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?uncaught_exception@std@@YA_NXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?good@ios_base@std@@QEBA_NXZ
?_Xlength_error@std@@YAXPEBD@Z
d3d9
Direct3DCreate9Ex
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__C_specific_handler
__current_exception_context
__current_exception
__std_exception_copy
__std_exception_destroy
_CxxThrowException
memmove
memcpy
memchr
strstr
__std_terminate
memset
api-ms-win-crt-stdio-l1-1-0
ftell
__stdio_common_vsnprintf_s
fflush
__stdio_common_vsprintf_s
fclose
_set_fmode
__p__commode
__acrt_iob_func
fseek
__stdio_common_vfprintf
fwrite
__stdio_common_vsscanf
fread
__stdio_common_vsprintf
_wfopen
api-ms-win-crt-string-l1-1-0
strncpy
isprint
strcmp
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-heap-l1-1-0
free
malloc
_callnewh
_set_new_mode
api-ms-win-crt-runtime-l1-1-0
_get_initial_narrow_environment
_initterm
_initterm_e
_exit
exit
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_seh_filter_exe
_cexit
system
terminate
_configure_narrow_argv
_crt_atexit
_initialize_narrow_environment
_set_app_type
_register_onexit_function
_initialize_onexit_table
_invalid_parameter_noinfo_noreturn
api-ms-win-crt-math-l1-1-0
cosf
fmodf
sinf
sqrtf
tanf
floorf
ceilf
powf
atan2
asin
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 220KB - Virtual size: 219KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 41KB - Virtual size: 41KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 464B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 308B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ