Static task
static1
Behavioral task
behavioral1
Sample
IIS5-Koei.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
IIS5-Koei.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
mswinsck.dll
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
mswinsck.dll
Resource
win10v2004-20220812-en
General
-
Target
ce2073743bd10136edc549bb174a68f191651fd565885d653fb6d128c2ecc388
-
Size
65KB
-
MD5
acc495b060d164a1c7e9141926877c8f
-
SHA1
60c16a6884b40a5c3bc99223a3274b97f82fd6af
-
SHA256
ce2073743bd10136edc549bb174a68f191651fd565885d653fb6d128c2ecc388
-
SHA512
2c636def377a974c19bac2139e7bdc5c366312a42918d9006b849f82a249283d3eb79e8a991a137bff9ecd5da8c66aa907d88e381eda95028dd19dc545a9972b
-
SSDEEP
1536:GdNMah1mRD6dNJ+tBcbO+oJu9XncYq7cGCLeXvcgd9:GLqRk7STJaXc+GEQF9
Malware Config
Signatures
Files
-
ce2073743bd10136edc549bb174a68f191651fd565885d653fb6d128c2ecc388.zip
-
FILE_ID.DIZ
-
IIS5-Koei.exe.exe windows x86
acbb0e181532f55af1ab18be537f6170
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
msvbvm60
_CIcos
_adj_fptan
__vbaVarMove
__vbaFreeVar
__vbaLenBstr
__vbaLateIdCall
__vbaStrVarMove
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
__vbaStrErrVarCopy
_adj_fprem1
__vbaStrCat
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaAryDestruct
__vbaVarForInit
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
ord598
_CIsin
ord632
__vbaChkstk
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
__vbaAryConstruct2
__vbaVarTstEq
_adj_fpatan
__vbaLateIdCallLd
EVENT_SINK_Release
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
ord608
__vbaFPException
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
_CIlog
__vbaErrorOverflow
_adj_fdiv_m32i
_adj_fdivr_m32i
ord573
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaI4Var
__vbaVarAdd
__vbaFpI4
__vbaVarCopy
_CIatan
__vbaStrMove
_allmul
__vbaLateIdSt
_CItan
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
ord581
Sections
.text Size: 32KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
-
mswinsck.ocx.dll regsvr32 windows x86
cb0275eec9ac31b6d4d44320e576fadb
Code Sign
Signer
Actual PE DigestDigest AlgorithmPE Digest MatchesfalseHeaders
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
wsock32
accept
listen
inet_ntoa
recv
WSAGetLastError
WSASetLastError
select
__WSAFDIsSet
shutdown
ntohs
sendto
recvfrom
connect
getsockopt
setsockopt
getsockname
getpeername
closesocket
WSACancelAsyncRequest
gethostbyaddr
bind
WSAAsyncSelect
socket
WSAStartup
WSACleanup
inet_addr
WSAAsyncGetHostByName
WSAAsyncGetHostByAddr
gethostbyname
htons
gethostname
ioctlsocket
send
kernel32
lstrlenW
GetFileAttributesA
GetModuleFileNameA
InitializeCriticalSection
HeapFree
HeapAlloc
GetProcessHeap
lstrcpynA
lstrcpyA
lstrlenA
lstrcatA
IsBadWritePtr
WideCharToMultiByte
GetVersion
LeaveCriticalSection
GetCurrentThreadId
EnterCriticalSection
LocalFree
FormatMessageA
GetTickCount
MultiByteToWideChar
SetLastError
GetProcAddress
GetLocaleInfoA
DeleteCriticalSection
FreeLibrary
DisableThreadLibraryCalls
lstrcmpA
InterlockedDecrement
GetWindowsDirectoryA
LoadLibraryA
HeapReAlloc
InterlockedIncrement
lstrcmpiA
GetLastError
LockResource
LoadResource
FindResourceA
user32
EndDialog
DialogBoxParamA
GetActiveWindow
MessageBoxA
DrawEdge
GetDC
CharNextA
LoadCursorA
wsprintfA
GetWindowRect
SetWindowPos
ShowWindow
IsDialogMessageA
GetWindow
GetNextDlgTabItem
IsWindowEnabled
GetDlgItem
IsChild
GetKeyState
SetParent
WinHelpA
IsWindowVisible
EndPaint
GetClientRect
BeginPaint
SendDlgItemMessageA
LoadStringA
ClientToScreen
OffsetRect
EqualRect
IntersectRect
SetWindowRgn
PtInRect
MessageBeep
LoadBitmapA
GetSystemMetrics
GetParent
CreateDialogIndirectParamA
GetDlgItemTextA
SetDlgItemInt
SendMessageA
DefWindowProcA
GetWindowLongA
DestroyWindow
KillTimer
SetTimer
UnregisterClassA
RegisterClassA
PeekMessageA
PostMessageA
SetDlgItemTextA
SetFocus
GetDlgItemInt
MoveWindow
SetWindowLongA
CreateWindowExA
ReleaseDC
ole32
CoTaskMemAlloc
CoTaskMemFree
CoCreateInstance
CreateOleAdviseHolder
advapi32
RegDeleteValueA
RegQueryValueA
RegOpenKeyA
RegQueryValueExA
RegEnumKeyExA
RegDeleteKeyA
RegOpenKeyExA
RegCreateKeyExA
RegSetValueExA
RegCloseKey
oleaut32
SysAllocString
VariantChangeType
SysAllocStringLen
SysStringLen
SafeArrayRedim
RegisterTypeLi
LoadTypeLi
UnRegisterTypeLi
LoadTypeLibEx
OleCreatePropertyFrame
LoadRegTypeLi
SafeArrayDestroy
SafeArrayUnaccessData
SetErrorInfo
CreateErrorInfo
GetErrorInfo
SysFreeString
SysAllocStringByteLen
SafeArrayCreate
VariantClear
SafeArrayGetUBound
SafeArrayGetLBound
SysStringByteLen
SafeArrayAccessData
SafeArrayGetElemsize
SafeArrayGetDim
VariantInit
gdi32
GetDeviceCaps
CreateCompatibleDC
CreateRectRgnIndirect
GetWindowExtEx
GetViewportExtEx
DeleteDC
DeleteObject
GetObjectA
LPtoDP
SetMapMode
SetViewportExtEx
SetWindowExtEx
SetViewportOrgEx
SetWindowOrgEx
CreateDCA
BitBlt
SelectObject
Exports
Exports
DLLGetDocumentation
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
Sections
.text Size: 66KB - Virtual size: 65KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 26KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ