Static task
static1
Behavioral task
behavioral1
Sample
ByteDOS v3.2/MSWINSCK.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral2
Sample
ByteDOS v3.2/Registrar.bat
Resource
win10v2004-20230915-en
General
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Target
ByteDOS-v3-2.zip
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Size
106KB
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MD5
ac5be6a4e175d5f3a46cf0ec410ece13
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SHA1
c3d570a0a063d5cb12befd336ee8b75a09755dc5
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SHA256
267eda0fd921f507ac9d0e5e8b2cd37be25706f826f3bfaa19a9b927e069b076
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SHA512
30629b4611c09f97c9adba5abdb5930015ac082d3a22cb1e3483d75bc86464dc9c4852a5e162c3c739b7e186e163145b755f22f859725aa3da8cbbf76bff2f36
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SSDEEP
3072:47ZSBYfkVoFdRrqo0aRaA/HF673+UWHIfrR:ANkVsuaRaU6mHGR
Malware Config
Signatures
Files
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ByteDOS-v3-2.zip.zip
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ByteDOS v3.2/MSWINSCK.OCX.dll regsvr32 windows:4 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
IMAGE_FILE_DLL
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
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ByteDOS v3.2/Registrar.bat