Durex
Static task
static1
Behavioral task
behavioral1
Sample
38a7cee7daf5015cdd65191ea5220fcf6b982b2052b6cd8c22baf09cd02efdf6.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
38a7cee7daf5015cdd65191ea5220fcf6b982b2052b6cd8c22baf09cd02efdf6.dll
Resource
win10v2004-20230915-en
General
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Target
38a7cee7daf5015cdd65191ea5220fcf6b982b2052b6cd8c22baf09cd02efdf6
-
Size
2.6MB
-
MD5
35b3f561db3b296792e4b1aa941e5925
-
SHA1
dbeb3ed87b5ebb42c78d92d7b28b6a5fb346c74f
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SHA256
38a7cee7daf5015cdd65191ea5220fcf6b982b2052b6cd8c22baf09cd02efdf6
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SHA512
fc6d4d20e9238cd600ff3ee6d387d0081b70a90dcac35b2f4feb40acbd9c7abe38cc04c811943681eab932ad373f206fd03b0520341d28e95fe42f81ced42392
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SSDEEP
24576:uvLPKgdpvRuJr+5+5DWyNPTFFZV69HQeOeNvU6oh8iw2NCYuzM7k3wJmOKMCmLyP:uRdXEWIFZcZE8P2N8z53wJWqYQk
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 38a7cee7daf5015cdd65191ea5220fcf6b982b2052b6cd8c22baf09cd02efdf6
Files
-
38a7cee7daf5015cdd65191ea5220fcf6b982b2052b6cd8c22baf09cd02efdf6.dll windows:4 windows x86
8ecd33863971430e1abf5d3f30ea1658
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
kernel32
Process32First
VirtualAllocEx
VirtualProtect
CreateToolhelp32Snapshot
GetModuleHandleA
Process32Next
GetExitCodeThread
WriteProcessMemory
RtlMoveMemory
Module32First
Module32Next
GetNativeSystemInfo
CreateThread
lstrcpynW
LoadLibraryExA
GetProcAddress
FreeLibrary
OpenProcess
GetWindowsDirectoryA
CreateRemoteThread
WideCharToMultiByte
MultiByteToWideChar
ReadProcessMemory
GetCPInfo
RaiseException
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
IsBadWritePtr
VirtualAlloc
VirtualFree
HeapCreate
HeapDestroy
GetVersionExA
GetEnvironmentVariableA
GetEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsW
FreeEnvironmentStringsA
GetModuleFileNameA
DeleteCriticalSection
GetStartupInfoA
GetFileType
GetStdHandle
SetHandleCount
GetLastError
TlsGetValue
SetLastError
TlsFree
TlsAlloc
TlsSetValue
GetCurrentThreadId
GetCurrentProcess
TerminateProcess
RtlUnwind
GetVersion
GetCommandLineA
GetACP
GetOEMCP
SetFilePointer
InterlockedDecrement
InterlockedIncrement
GetStringTypeA
GetStringTypeW
IsWow64Process
HeapAlloc
lstrcpynA
WaitForSingleObject
VirtualFreeEx
CloseHandle
SetUnhandledExceptionFilter
IsBadCodePtr
LCMapStringW
SetStdHandle
FlushFileBuffers
LoadLibraryA
LCMapStringA
WriteFile
CreateFileA
GetFileSize
ReadFile
IsBadReadPtr
HeapFree
HeapReAlloc
lstrcpyn
ExitProcess
GetProcessHeap
VirtualQueryEx
SetEnvironmentVariableA
VirtualFree
HeapCreate
HeapDestroy
GetEnvironmentVariableA
GetEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsW
FreeEnvironmentStringsA
GetStartupInfoA
GetFileType
GetStdHandle
SetHandleCount
GetACP
CloseHandle
WaitForSingleObject
LCMapStringA
GetTickCount
GetCommandLineA
MulDiv
GetDiskFreeSpaceA
GetProcAddress
GetModuleHandleA
GetVolumeInformationA
SetCurrentDirectoryA
GetCurrentDirectoryA
CopyFileA
DeleteFileA
GetFileAttributesA
FindClose
FindFirstFileA
GlobalUnlock
GlobalLock
GlobalAlloc
Sleep
CreateEventA
CreateThread
WritePrivateProfileStringA
GetVersionExA
GetLastError
LoadLibraryA
FreeLibrary
GetFullPathNameA
WideCharToMultiByte
MultiByteToWideChar
HeapAlloc
GetProcessHeap
HeapReAlloc
HeapFree
GlobalReAlloc
FindNextFileA
lstrcpyA
WinExec
lstrlenA
lstrcatA
InitializeCriticalSection
DeleteCriticalSection
GlobalFree
GlobalSize
ExitProcess
GetCurrentThreadId
GetModuleFileNameA
ReadFile
LockResource
LoadResource
FindResourceA
SetEvent
CreateFileA
WaitForMultipleObjects
WriteFile
GetProfileStringA
LeaveCriticalSection
EnterCriticalSection
ReleaseSemaphore
ResumeThread
CreateSemaphoreA
SetFilePointer
GetFileSize
GetCurrentProcess
TerminateProcess
SetLastError
GetTimeZoneInformation
GetVersion
GetProcessVersion
GetCPInfo
GetOEMCP
LCMapStringW
VirtualAlloc
IsBadWritePtr
SetUnhandledExceptionFilter
GetStringTypeA
GetStringTypeW
CompareStringA
CompareStringW
IsBadReadPtr
IsBadCodePtr
SetStdHandle
InterlockedExchange
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
TlsGetValue
LocalReAlloc
RtlUnwind
GetSystemTime
GetLocalTime
RaiseException
HeapSize
InterlockedIncrement
InterlockedDecrement
LocalFree
FileTimeToSystemTime
FileTimeToLocalFileTime
lstrcpynA
DuplicateHandle
FlushFileBuffers
LockFile
UnlockFile
SetEndOfFile
lstrcmpiA
GlobalDeleteAtom
GlobalFindAtomA
GlobalAddAtomA
GlobalGetAtomNameA
lstrcmpA
LocalAlloc
TlsAlloc
GlobalHandle
TlsFree
TlsSetValue
user32
CallWindowProcA
wsprintfA
GetCursorPos
WindowFromPoint
DispatchMessageA
GetDlgItem
GetMessageA
PeekMessageA
MessageBoxA
GetForegroundWindow
SendMessageA
TranslateMessage
GetWindowTextA
ClientToScreen
FindWindowA
LoadIconA
TranslateMessage
DrawFrameControl
DrawEdge
DrawFocusRect
WindowFromPoint
GetMessageA
DispatchMessageA
SetRectEmpty
RegisterClipboardFormatA
CreateIconFromResourceEx
CreateIconFromResource
DrawIconEx
CreatePopupMenu
AppendMenuA
ModifyMenuA
CreateMenu
CreateAcceleratorTableA
GetDlgCtrlID
GetSubMenu
EnableMenuItem
ClientToScreen
EnumDisplaySettingsA
LoadImageA
SystemParametersInfoA
ShowWindow
IsWindowEnabled
TranslateAcceleratorA
GetKeyState
CopyAcceleratorTableA
PostQuitMessage
IsZoomed
GetClassInfoA
DefWindowProcA
GetSystemMenu
DeleteMenu
GetMenu
SetMenu
PeekMessageA
IsIconic
SetFocus
GetActiveWindow
GetWindow
DestroyAcceleratorTable
SetWindowRgn
GetMessagePos
ScreenToClient
ChildWindowFromPointEx
CopyRect
LoadBitmapA
WinHelpA
KillTimer
SetTimer
ReleaseCapture
GetCapture
SetCapture
GetScrollRange
SetScrollRange
SetScrollPos
SetRect
InflateRect
IntersectRect
DestroyIcon
PtInRect
IsWindowVisible
EnableWindow
RedrawWindow
GetWindowLongA
SetWindowLongA
GetSysColor
SetActiveWindow
SetCursorPos
LoadCursorA
SetCursor
GetDC
FillRect
IsRectEmpty
ReleaseDC
IsChild
DestroyMenu
SetForegroundWindow
GetWindowRect
EqualRect
UpdateWindow
ValidateRect
InvalidateRect
GetClientRect
GetFocus
GetParent
GetTopWindow
IsWindow
SetParent
DestroyCursor
SendMessageA
SetWindowPos
MessageBoxA
GetCursorPos
GetSystemMetrics
EmptyClipboard
SetClipboardData
OpenClipboard
GetClipboardData
GetDesktopWindow
GetClassNameA
GetForegroundWindow
CloseClipboard
wsprintfA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
RegisterWindowMessageA
GetLastActivePopup
GetMessageTime
GetWindowTextA
GetDlgItem
OffsetRect
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
GetClassLongA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
GetScrollPos
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
ScrollWindowEx
IsDialogMessageA
SetWindowTextA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
UnregisterClassA
LoadStringA
GetSysColorBrush
PostMessageA
advapi32
CryptHashData
CryptGetHashParam
RegCloseKey
RegQueryValueExA
RegOpenKeyA
RegCreateKeyExA
RegQueryValueA
RegCreateKeyA
RegSetValueExA
RegOpenKeyExA
RegCloseKey
wininet
HttpQueryInfoA
InternetCloseHandle
InternetReadFile
InternetOpenUrlA
InternetOpenA
shlwapi
PathFileExistsA
winmm
midiStreamOut
midiOutPrepareHeader
midiOutUnprepareHeader
waveOutOpen
waveOutGetNumDevs
waveOutClose
waveOutReset
waveOutPause
waveOutWrite
waveOutPrepareHeader
waveOutUnprepareHeader
midiStreamStop
midiOutReset
midiStreamClose
midiStreamRestart
midiStreamOpen
midiStreamProperty
ws2_32
WSACleanup
closesocket
getpeername
accept
WSAAsyncSelect
recvfrom
ioctlsocket
inet_ntoa
recv
gdi32
LineTo
MoveToEx
ExcludeClipRect
GetClipBox
ScaleWindowExtEx
SetWindowExtEx
SetWindowOrgEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SetMapMode
SetTextColor
SetROP2
SetPolyFillMode
SetBkMode
RestoreDC
SaveDC
RealizePalette
StretchBlt
CreatePalette
GetSystemPaletteEntries
CreateDIBitmap
DeleteObject
SelectClipRgn
CreatePolygonRgn
GetClipRgn
SetStretchBltMode
PtVisible
CreateRectRgnIndirect
SetBkColor
RectVisible
TextOutA
ExtTextOutA
Escape
GetTextMetricsA
ExtSelectClipRgn
GetViewportExtEx
SelectPalette
EndPage
CreateFontIndirectA
GetStockObject
CreateSolidBrush
FillRgn
CreateRectRgn
CombineRgn
PatBlt
CreatePen
GetObjectA
SelectObject
CreateBitmap
CreateDCA
CreateCompatibleBitmap
GetPolyFillMode
GetStretchBltMode
GetROP2
GetBkColor
GetBkMode
GetTextColor
CreateRoundRectRgn
CreateEllipticRgn
PathToRegion
EndPath
BeginPath
GetWindowOrgEx
GetDIBits
EndDoc
DeleteDC
StartDocA
StartPage
BitBlt
CreateCompatibleDC
GetViewportOrgEx
Ellipse
Rectangle
LPtoDP
DPtoLP
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
GetWindowExtEx
winspool.drv
OpenPrinterA
DocumentPropertiesA
ClosePrinter
shell32
Shell_NotifyIconA
ShellExecuteA
ole32
CLSIDFromString
OleInitialize
OleUninitialize
oleaut32
UnRegisterTypeLi
RegisterTypeLi
LoadTypeLi
comctl32
ord17
ImageList_Destroy
comdlg32
GetOpenFileNameA
GetSaveFileNameA
ChooseColorA
GetFileTitleA
Exports
Exports
Sections
.text Size: 868KB - Virtual size: 865KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 104KB - Virtual size: 102KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1.5MB - Virtual size: 1.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 96KB - Virtual size: 94KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ