Static task
static1
Behavioral task
behavioral1
Sample
koid.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
koid.exe
Resource
win10v2004-20230220-en
General
-
Target
koid.exe
-
Size
1.7MB
-
MD5
937bd53a5f505b8e9b00416590ad8d92
-
SHA1
5abece11f9d282ec009bf441f132676344f1ede2
-
SHA256
662d56478c8fa24fb43b71cba64af8d941ddb90659c2412144b46137e2cc4c36
-
SHA512
2027fe14eff8cc0edd67be7f159e0710d79376aef11a70d4c0ad94d501667fd178780fb3a8f0c4481d2da32a3f6fd698e45cef297aee628cda1ae164e0434dd5
-
SSDEEP
49152:MXi87ZaoNcK9mVrSPYO1M+BrgdhwmzJnU:yvycBr
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource koid.exe
Files
-
koid.exe.exe windows x64
6b5075b82f10534e3c23be1eaf3d1551
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
d3d11
D3D11CreateDeviceAndSwapChain
ws2_32
getpeername
getsockname
ntohs
setsockopt
socket
WSAIoctl
getaddrinfo
freeaddrinfo
accept
listen
recvfrom
sendto
ioctlsocket
gethostname
htonl
connect
htons
ntohl
getsockopt
closesocket
bind
send
WSAStartup
WSACleanup
WSAGetLastError
recv
__WSAFDIsSet
select
WSASetLastError
wldap32
ord200
ord30
ord79
ord35
ord33
ord32
ord27
ord26
ord22
ord41
ord50
ord45
ord60
ord143
ord211
ord46
ord301
crypt32
CertFreeCertificateContext
d3dcompiler_47
D3DCompile
imm32
ImmGetContext
ImmReleaseContext
ImmSetCompositionWindow
kernel32
IsProcessorFeaturePresent
IsDebuggerPresent
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
SetUnhandledExceptionFilter
UnhandledExceptionFilter
WaitForMultipleObjects
RtlVirtualUnwind
ReadFile
GetFileType
GetStdHandle
ExpandEnvironmentStringsA
VerifyVersionInfoA
GetSystemDirectoryA
WaitForSingleObjectEx
FormatMessageA
SetLastError
GetLastError
SleepEx
RtlLookupFunctionEntry
RtlCaptureContext
GetModuleHandleW
CreateEventW
ResetEvent
SetEvent
PeekNamedPipe
InitializeCriticalSectionAndSpinCount
MultiByteToWideChar
GlobalAlloc
GlobalFree
GlobalLock
WideCharToMultiByte
GlobalUnlock
LoadLibraryA
QueryPerformanceFrequency
GetProcAddress
VerSetConditionMask
QueryPerformanceCounter
GetModuleHandleA
GetConsoleWindow
CloseHandle
CreateThread
Process32First
GetCurrentProcess
OpenProcess
CreateToolhelp32Snapshot
Process32Next
WriteProcessMemory
ReadProcessMemory
GetModuleFileNameA
TerminateProcess
GetCurrentProcessId
VirtualQueryEx
GetExitCodeProcess
GetTickCount64
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
FreeLibrary
Sleep
user32
GetWindowTextA
GetCursorInfo
PostMessageA
SendMessageA
keybd_event
SetForegroundWindow
GetWindowThreadProcessId
FindWindowA
WindowFromPoint
DispatchMessageA
GetWindowRect
DestroyWindow
SetWindowPos
ShowWindow
GetAsyncKeyState
SetWindowLongA
DefWindowProcA
CreateWindowExA
TranslateMessage
PeekMessageA
UnregisterClassA
PostQuitMessage
GetDesktopWindow
SetClipboardData
RegisterClassExA
UpdateWindow
GetKeyState
LoadCursorA
ScreenToClient
GetCapture
ClientToScreen
IsChild
GetForegroundWindow
SetCapture
SetCursor
GetClientRect
ReleaseCapture
SetCursorPos
GetCursorPos
OpenClipboard
CloseClipboard
EmptyClipboard
GetClipboardData
advapi32
CloseServiceHandle
OpenServiceA
QueryServiceStatusEx
OpenProcessToken
OpenSCManagerA
LookupPrivilegeValueA
CryptEncrypt
AdjustTokenPrivileges
ControlService
CryptAcquireContextA
CryptReleaseContext
CryptGenRandom
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptImportKey
msvcp140
_Close_dir
_Open_dir
_Read_dir
?_Xinvalid_argument@std@@YAXPEBD@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
_To_wide
?_Random_device@std@@YAIXZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?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
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
_Xtime_get_ticks
_Query_perf_counter
_Thrd_sleep
?_Xlength_error@std@@YAXPEBD@Z
?_Xout_of_range@std@@YAXPEBD@Z
?uncaught_exception@std@@YA_NXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
_Query_perf_frequency
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?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
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?_Xbad_alloc@std@@YAXXZ
xinput1_4
ord2
ord4
vcruntime140_1
__CxxFrameHandler4
vcruntime140
_CxxThrowException
__std_terminate
__C_specific_handler
__current_exception_context
__current_exception
memchr
memcmp
strrchr
memmove
memset
memcpy
__std_type_info_compare
__std_exception_copy
__std_exception_destroy
strchr
strstr
api-ms-win-crt-stdio-l1-1-0
fread
__stdio_common_vsprintf
fwrite
fseek
fclose
__stdio_common_vsscanf
_wfopen
_lseeki64
_read
_write
_close
_open
fflush
fopen
_get_stream_buffer_pointers
_fseeki64
_set_fmode
__acrt_iob_func
fsetpos
ungetc
setvbuf
ftell
fgetpos
__p__commode
fgetc
fputc
api-ms-win-crt-string-l1-1-0
isprint
_strdup
strncmp
tolower
isalpha
isgraph
islower
strncpy
isupper
isxdigit
strpbrk
isspace
toupper
isalnum
strcmp
isdigit
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-heap-l1-1-0
_set_new_mode
calloc
malloc
_callnewh
free
realloc
api-ms-win-crt-convert-l1-1-0
strtoul
atoi
atof
strtoll
strtol
api-ms-win-crt-runtime-l1-1-0
strerror
_invalid_parameter_noinfo_noreturn
exit
_beginthreadex
__sys_nerr
_getpid
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
terminate
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_cexit
__p___argc
_seh_filter_exe
_set_app_type
_initterm
_get_initial_narrow_environment
_errno
_initterm_e
_exit
api-ms-win-crt-math-l1-1-0
fmodf
floorf
powf
cosf
sinf
sqrtf
__setusermatherr
ceil
acosf
log2
atan2f
ceilf
pow
api-ms-win-crt-filesystem-l1-1-0
remove
_fstat64
_stat64
_unlock_file
_lock_file
_access
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-time-l1-1-0
_time64
_gmtime64
api-ms-win-crt-multibyte-l1-1-0
_mbspbrk
_mbsnbcpy
_mbschr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 522KB - Virtual size: 522KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.2MB - Virtual size: 1.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 24KB - Virtual size: 23KB
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: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ