Static task
static1
Behavioral task
behavioral1
Sample
bok.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
bok.exe
Resource
win10v2004-20230220-en
General
-
Target
bok.exe
-
Size
522KB
-
MD5
eff473f56ee2bafce2bab75ccaaa8847
-
SHA1
c43b8bb3fae0a69a76c0bece8fa800d021b640cd
-
SHA256
5d1aa41ad02c3ce5765ac7368520550c714f4912e569a3bb793479f52bd68152
-
SHA512
b40823ccb9ac0a7c00b15771b489dbcf4fc5f31e18c12492864917563fdf53dfbccf85522b11287a6f8d477ddb5322799b0c4ee152b4e10cb493a5a96a634a6a
-
SSDEEP
12288:AP4un0Dm00fGxLCmO77H3rU6N3UQH6nCz:AP4cOrLvO3XdpVanQ
Malware Config
Signatures
Files
-
bok.exe.exe windows x64
adcd8634a7ce9fa6378fa05323a0daa0
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
d3d9
Direct3DCreate9
kernel32
WideCharToMultiByte
GlobalUnlock
LoadLibraryA
QueryPerformanceFrequency
GetProcAddress
FreeLibrary
QueryPerformanceCounter
CloseHandle
VirtualQueryEx
CreateToolhelp32Snapshot
Process32First
Process32Next
CreateProcessA
GetCurrentProcessId
OpenProcess
CreateFileA
DeviceIoControl
GetModuleFileNameA
Beep
GetModuleHandleA
CreateDirectoryW
CreateFileW
FindClose
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
GlobalLock
SetFileInformationByHandle
AreFileApisANSI
GetLastError
MoveFileExW
GetFileInformationByHandleEx
LocalFree
FormatMessageA
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GlobalFree
GlobalAlloc
MultiByteToWideChar
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
user32
GetForegroundWindow
UnhookWindowsHookEx
GetMessageA
SendMessageA
GetCursorPos
SetClipboardData
GetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
SetCursorPos
ReleaseCapture
SetWindowsHookExA
CallNextHookEx
DestroyWindow
DispatchMessageA
TranslateMessage
PeekMessageA
UpdateWindow
UnregisterClassA
CreateWindowExA
RegisterClassExA
DefWindowProcA
GetAsyncKeyState
ShowWindow
PostQuitMessage
SetWindowPos
GetWindowRect
GetCursorInfo
GetWindowThreadProcessId
GetWindowTextA
GetKeyState
LoadCursorA
ScreenToClient
GetCapture
ClientToScreen
IsChild
SetCapture
SetCursor
GetClientRect
shell32
ord155
SHGetKnownFolderPath
SHOpenFolderAndSelectItems
SHParseDisplayName
ShellExecuteA
ole32
CoTaskMemFree
msvcp140
_Query_perf_counter
_Query_perf_frequency
_Thrd_sleep
_Xtime_get_ticks
?_Syserror_map@std@@YAPEBDH@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Winerror_map@std@@YAHH@Z
?_Xout_of_range@std@@YAXPEBD@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
_Cnd_do_broadcast_at_thread_exit
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??Bid@locale@std@@QEAA_KXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
?_Throw_Cpp_error@std@@YAXH@Z
ntdll
NtReadVirtualMemory
NtWriteVirtualMemory
imm32
ImmReleaseContext
ImmGetContext
ImmSetCompositionWindow
vcruntime140_1
__CxxFrameHandler4
vcruntime140
_CxxThrowException
memset
__current_exception_context
__current_exception
__C_specific_handler
strstr
__std_exception_destroy
__std_exception_copy
__std_terminate
memcpy
memcmp
memchr
memmove
api-ms-win-crt-runtime-l1-1-0
_exit
_initialize_narrow_environment
_initialize_onexit_table
_beginthreadex
terminate
_initterm_e
_register_onexit_function
_configure_narrow_argv
_crt_atexit
_initterm
_get_narrow_winmain_command_line
_set_app_type
_seh_filter_exe
_cexit
_invalid_parameter_noinfo_noreturn
_c_exit
_register_thread_local_exe_atexit_callback
exit
api-ms-win-crt-utility-l1-1-0
qsort
rand
api-ms-win-crt-stdio-l1-1-0
_set_fmode
ftell
fclose
_get_stream_buffer_pointers
fseek
__p__commode
fputc
ungetc
fgetc
fread
fwrite
fgetpos
_fseeki64
fsetpos
setvbuf
fflush
_wfopen
__stdio_common_vsprintf
__stdio_common_vsscanf
__acrt_iob_func
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_lock_file
api-ms-win-crt-string-l1-1-0
strcpy_s
strcmp
strncpy
tolower
isspace
api-ms-win-crt-heap-l1-1-0
malloc
_callnewh
_set_new_mode
free
api-ms-win-crt-convert-l1-1-0
atof
api-ms-win-crt-time-l1-1-0
_time64
api-ms-win-crt-math-l1-1-0
powf
ceilf
logf
sinf
acosf
floorf
fmodf
__setusermatherr
cosf
sqrtf
log2f
pow
log
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
_configthreadlocale
Sections
.text Size: 303KB - Virtual size: 302KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 201KB - Virtual size: 200KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 14KB - Virtual size: 14KB
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: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ