2024-01-18_838761d30c26d8aac3c2e656254f71bf_ryuk

Sharing

Copy URL

Twitter E-mail

General

Target

2024-01-18_838761d30c26d8aac3c2e656254f71bf_ryuk
Size

3.6MB
MD5

838761d30c26d8aac3c2e656254f71bf
SHA1

91bacff0d46531916895dbebf1d7d785cd5baa18
SHA256

860728c9feb1fb1932946f6826a833752605fc600be333414f9ae9795b94f998
SHA512

205aa53febd7aa25120d4cf33b30fda7d8cc7d3994670a90323af39d2af8a0956eb2912fca7c410a1955514afe6f5ffe1d881d8e55fd802be66ec75de2b90056
SSDEEP

49152:bfbOgYqfkURyGF/62t57qpq622h64ork7NJsk8t8xfRxilOtJIwK+c:vbqp6kJcW+lOtJKb

Score

1^/10

Malware Config

Signatures

Files

2024-01-18_838761d30c26d8aac3c2e656254f71bf_ryuk
.exe windows:5 windows x64 arch:x64

0bff0ebb291c07faba2b3e4017d76c11

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29-04-2021 00:00

Not After

28-04-2036 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0b:46:22:6e:4d:c6:42:d5:37:59:36:7d:c2:14:49:40
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

07-04-2022 00:00

Not After

02-05-2023 23:59

Subject

CN=FUJIFILM Business Innovation Corp.,O=FUJIFILM Business Innovation Corp.,L=Yokohama,ST=Kanagawa,C=JP

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21-09-2022 00:00

Not After

21-11-2033 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23-03-2022 00:00

Not After

22-03-2037 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01-08-2022 00:00

Not After

09-11-2031 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

21:2d:08:bd:b8:94:60:3e:b5:a8:c0:e6:4b:54:dd:a4:7e:f5:f1:c0:e5:1b:d6:25:e1:cb:69:95:38:2f:4f:bb
Signer

Actual PE Digest

21:2d:08:bd:b8:94:60:3e:b5:a8:c0:e6:4b:54:dd:a4:7e:f5:f1:c0:e5:1b:d6:25:e1:cb:69:95:38:2f:4f:bb

Digest Algorithm

sha256

PE Digest Matches

true

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

dwfregx

?GetValueUint@CRegUtilX@@QEAAHPEB_WPEAK@Z
?Open@CRegUtilX@@QEAAHPEB_WH@Z
?SetVendor@CRegUtilX@@QEAAHK@Z
??1CRegUtilX@@QEAA@XZ
??0CRegUtilX@@QEAA@PEAUHKEY__@@K@Z
?GetDWProfileString@CDWFRegUtilX@@QEAAPEB_WKPEB_W00PEAH@Z
??1CDWFRegUtilX@@QEAA@XZ
??0CDWFRegUtilX@@QEAA@PEAUHKEY__@@HK@Z

kernel32

IsDebuggerPresent
GetStartupInfoW
FindFirstFileExW
SetFilePointerEx
ReadConsoleW
GetConsoleMode
GetConsoleCP
GetTimeZoneInformation
LCMapStringW
GetStringTypeW
GetACP
InitializeSListHead
ResetEvent
GetStdHandle
GetFileType
SetStdHandle
QueryPerformanceFrequency
VirtualQuery
VirtualAlloc
GetSystemInfo
HeapQueryInformation
FreeLibraryAndExitThread
ExitThread
CreateThread
GetCommandLineW
GetCommandLineA
RtlUnwindEx
RtlPcToFileHeader
OutputDebugStringW
GetSystemTimeAsFileTime
QueryPerformanceCounter
ExitProcess
WaitForSingleObjectEx
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SearchPathW
GetProfileIntW
GetTempFileNameW
VerifyVersionInfoW
VerSetConditionMask
FindResourceExW
GetWindowsDirectoryW
SystemTimeToTzSpecificLocalTime
GetFileTime
GetFileSizeEx
GetFileAttributesExW
FileTimeToLocalFileTime
SetErrorMode
VirtualProtect
DuplicateHandle
UnlockFile
SetEndOfFile
ReadFile
LockFile
GetVolumeInformationW
GetFullPathNameW
GetFileSize
FlushFileBuffers
GlobalFlags
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GetCurrentDirectoryW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
FileTimeToSystemTime
GlobalGetAtomNameW
LeaveCriticalSection
EnterCriticalSection
GlobalFindAtomW
EncodePointer
QueryActCtxW
FindActCtxSectionStringW
DeactivateActCtx
ActivateActCtx
CreateActCtxW
GetModuleHandleExW
FreeResource
OutputDebugStringA
GetCurrentProcessId
GlobalAddAtomW
WritePrivateProfileStringW
ResumeThread
SetThreadPriority
CreateEventW
SetEvent
CompareStringA
lstrcmpW
lstrcmpA
GlobalDeleteAtom
LoadLibraryExW
GetCurrentThreadId
GetCurrentThread
SetLastError
FormatMessageW
MulDiv
LocalFree
GlobalFree
GlobalUnlock
GlobalLock
GlobalSize
GlobalAlloc
GetProcessHeap
DeleteCriticalSection
DecodePointer
HeapAlloc
RaiseException
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
HeapFree
Sleep
GetTickCount
RemoveDirectoryW
lstrcpyW
GetVersionExW
MoveFileExW
GetPrivateProfileIntW
SetFilePointer
WriteFile
CreateFileW
CreateDirectoryW
ExpandEnvironmentStringsW
GetFileAttributesW
GetCurrentProcess
GetModuleHandleW
lstrcmpiW
GetSystemDirectoryW
FindResourceW
LoadResource
LockResource
SizeofResource
GetExitCodeProcess
WaitForSingleObject
lstrlenW
GetModuleFileNameW
GetLocalTime
GetTempPathW
CloseHandle
GetLastError
CreateMutexW
DeleteFileW
CopyFileW
FindClose
FindNextFileW
FindFirstFileW
GetPrivateProfileSectionW
GetPrivateProfileStringW
WideCharToMultiByte
MultiByteToWideChar
GetProcAddress
LoadLibraryW
FreeLibrary
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
WriteConsoleW

user32

TrackMouseEvent
MapDialogRect
GetAsyncKeyState
InflateRect
GetMenuItemInfoW
DestroyMenu
CharUpperW
DestroyIcon
FillRect
GetWindowDC
TabbedTextOutW
GrayStringW
DrawTextExW
DrawTextW
InvalidateRect
KillTimer
SetTimer
RealChildWindowFromPoint
DeleteMenu
SystemParametersInfoW
CopyImage
WindowFromPoint
ClientToScreen
ReleaseCapture
SetCapture
WaitMessage
LoadCursorW
GetSysColorBrush
ReleaseDC
GetDC
GetSystemMetrics
OffsetRect
SetRectEmpty
SendDlgItemMessageA
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
LoadIconW
UnhookWindowsHookEx
GetTopWindow
GetClassNameW
GetClassLongPtrW
SetWindowLongPtrW
GetWindowLongPtrW
PtInRect
EqualRect
CopyRect
GetSysColor
MapWindowPoints
ScreenToClient
AdjustWindowRectEx
GetClientRect
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
EndPaint
BeginPaint
SetForegroundWindow
GetForegroundWindow
TrackPopupMenu
SetMenu
GetMenu
GetCapture
IsIconic
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
IsChild
BringWindowToTop
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
CallWindowProcW
DefWindowProcW
GetMessageTime
GetMessagePos
RegisterWindowMessageW
LoadMenuW
GetDesktopWindow
SetActiveWindow
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
DestroyWindow
GetLastActivePopup
GetWindowThreadProcessId
SetCursor
ShowOwnedPopups
CallNextHookEx
SetWindowsHookExW
GetCursorPos
ValidateRect
LoadAcceleratorsW
TranslateAcceleratorW
CreatePopupMenu
MessageBoxW
UpdateWindow
ExitWindowsEx
EnableWindow
LoadImageW
SendMessageW
GetKeyState
GetActiveWindow
IsWindowVisible
PeekMessageW
DispatchMessageW
TranslateMessage
GetMessageW
LoadBitmapW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
IsDialogMessageW
GetWindow
GetParent
SetWindowLongW
GetWindowLongW
InsertMenuItemW
IntersectRect
UnpackDDElParam
ReuseDDElParam
GetMenuDefaultItem
GetNextDlgGroupItem
DrawFocusRect
IsRectEmpty
DrawIconEx
GetIconInfo
MessageBeep
EnableScrollBar
HideCaret
InvertRect
NotifyWinEvent
GetSystemMenu
MapVirtualKeyW
GetKeyNameTextW
SetLayeredWindowAttributes
EnumDisplayMonitors
SetClassLongPtrW
SetWindowRgn
SetParent
OpenClipboard
CloseClipboard
SetClipboardData
EmptyClipboard
DrawStateW
GetWindowRect
UnregisterClassW
GetMenuStringW
GetMenuState
GetSubMenu
GetMenuItemID
GetMenuItemCount
InsertMenuW
AppendMenuW
RemoveMenu
PostMessageW
PostQuitMessage
IsWindow
ShowWindow
MoveWindow
SetWindowPos
GetDlgItem
CheckDlgButton
GetDlgCtrlID
SetFocus
GetFocus
IsWindowEnabled
SetWindowTextW
GetWindowTextW
GetWindowTextLengthW
DrawEdge
DrawFrameControl
IsZoomed
DestroyCursor
GetWindowRgn
CreateMenu
SubtractRect
TranslateMDISysAccel
DefMDIChildProcW
DefFrameProcW
DrawMenuBar
GetUpdateRect
IsClipboardFormatAvailable
CharUpperBuffW
RegisterClipboardFormatW
ModifyMenuW
GetDoubleClickTime
SetMenuDefaultItem
LockWindowUpdate
SetRect
CopyAcceleratorTableW
DestroyAcceleratorTable
CreateAcceleratorTableW
GetKeyboardState
ToUnicodeEx
MapVirtualKeyExW
IsCharLowerW
GetKeyboardLayout
PostThreadMessageW
GetComboBoxInfo
MonitorFromPoint
UpdateLayeredWindow
UnionRect
DrawIcon
FrameRect
CopyIcon
SetCursorPos
IsMenu

gdi32

GetClipBox
GetObjectType
GetPixel
GetStockObject
GetViewportExtEx
GetWindowExtEx
IntersectClipRect
LineTo
PtVisible
RectVisible
RestoreDC
SaveDC
SelectClipRgn
ExtSelectClipRgn
SelectObject
SelectPalette
SetBkMode
SetMapMode
SetLayout
GetLayout
SetPolyFillMode
SetROP2
SetTextAlign
MoveToEx
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CreateFontIndirectW
GetTextExtentPoint32W
GetTextMetricsW
CreateCompatibleBitmap
ExcludeClipRect
CreateRectRgnIndirect
PatBlt
SetRectRgn
DPtoLP
EnumFontFamiliesExW
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
GetBkColor
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
SetPixel
StretchBlt
CreateDIBSection
SetDIBColorTable
CreateEllipticRgn
Ellipse
GetTextColor
CreatePolygonRgn
Polygon
Polyline
CreateRoundRectRgn
LPtoDP
Rectangle
GetRgnBox
OffsetRgn
RoundRect
FillRgn
FrameRgn
GetBoundsRect
PtInRegion
ExtFloodFill
SetPaletteEntries
SetPixelV
GetWindowOrgEx
GetViewportOrgEx
GetTextFaceW
Escape
CreateSolidBrush
CreateRectRgn
CreatePatternBrush
CreatePen
CreateHatchBrush
CreateCompatibleDC
BitBlt
DeleteObject
DeleteDC
SetTextColor
SetBkColor
CreateBitmap
GetDeviceCaps
CopyMetaFileW
CombineRgn
CreateDCW
GetObjectW

msimg32

AlphaBlend
TransparentBlt

winspool.drv

ClosePrinter
DocumentPropertiesW
OpenPrinterW
EnumPrintersW

advapi32

RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegSetValueExW
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
RegCloseKey
RegQueryValueExW
RegOpenKeyExW

shell32

SHCreateDirectoryExW
SHGetFolderPathW
ShellExecuteExW
SHGetFileInfoW
DragQueryFileW
DragFinish
ShellExecuteW
SHAppBarMessage
SHBrowseForFolderW
SHGetDesktopFolder
SHGetSpecialFolderLocation
SHGetPathFromIDListW

shlwapi

PathAppendW
PathIsRelativeW
PathCanonicalizeW
SHDeleteKeyW
PathFindExtensionW
PathFindFileNameW
PathIsUNCW
PathStripToRootW
StrFormatKBSizeW
PathRemoveFileSpecW
PathFileExistsW

uxtheme

DrawThemeText
OpenThemeData
GetThemeSysColor
GetWindowTheme
IsAppThemed
GetThemePartSize
IsThemeBackgroundPartiallyTransparent
GetCurrentThemeName
GetThemeColor
DrawThemeBackground
CloseThemeData
DrawThemeParentBackground

ole32

CreateStreamOnHGlobal
CoInitializeEx
DoDragDrop
OleGetClipboard
CoLockObjectExternal
RegisterDragDrop
RevokeDragDrop
OleLockRunning
OleCreateMenuDescriptor
OleDestroyMenuDescriptor
OleTranslateAccelerator
IsAccelerator
CoDisconnectObject
CoInitialize
CoCreateInstance
CoCreateGuid
CoUninitialize
ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc

oleaut32

VariantChangeType
SysStringLen
SystemTimeToVariantTime
VariantTimeToSystemTime
VariantClear
VariantCopy
VarBstrFromDate
LoadTypeLi
VariantInit
SysAllocStringLen
SysAllocString
SysFreeString

oleacc

AccessibleObjectFromWindow
LresultFromObject
CreateStdAccessibleObject

gdiplus

GdipDrawImageRectI
GdipSetInterpolationMode
GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipGetImagePaletteSize
GdipGetImagePalette
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown

imm32

ImmGetContext
ImmGetOpenStatus
ImmReleaseContext

winmm

PlaySoundW

Sections

.text
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 649KB - Virtual size: 649KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 28KB - Virtual size: 73KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 86KB - Virtual size: 85KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 104KB - Virtual size: 103KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.giats
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 830KB - Virtual size: 829KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0bff0ebb291c07faba2b3e4017d76c11

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0b:46:22:6e:4d:c6:42:d5:37:59:36:7d:c2:14:49:40Certificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

21:2d:08:bd:b8:94:60:3e:b5:a8:c0:e6:4b:54:dd:a4:7e:f5:f1:c0:e5:1b:d6:25:e1:cb:69:95:38:2f:4f:bbSigner

Headers

DLL Characteristics

File Characteristics

Imports

dwfregx

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

shlwapi

uxtheme

ole32

oleaut32

oleacc

gdiplus

imm32

winmm

Sections

.text Size: 1.9MB - Virtual size: 1.9MB

.rdata Size: 649KB - Virtual size: 649KB

.data Size: 28KB - Virtual size: 73KB

.pdata Size: 86KB - Virtual size: 85KB

.gfids Size: 104KB - Virtual size: 103KB

.giats Size: 512B - Virtual size: 16B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 830KB - Virtual size: 829KB

.reloc Size: 59KB - Virtual size: 58KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0b:46:22:6e:4d:c6:42:d5:37:59:36:7d:c2:14:49:40
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

21:2d:08:bd:b8:94:60:3e:b5:a8:c0:e6:4b:54:dd:a4:7e:f5:f1:c0:e5:1b:d6:25:e1:cb:69:95:38:2f:4f:bb
Signer

.text
Size: 1.9MB - Virtual size: 1.9MB

.rdata
Size: 649KB - Virtual size: 649KB

.data
Size: 28KB - Virtual size: 73KB

.pdata
Size: 86KB - Virtual size: 85KB

.gfids
Size: 104KB - Virtual size: 103KB

.giats
Size: 512B - Virtual size: 16B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 830KB - Virtual size: 829KB

.reloc
Size: 59KB - Virtual size: 58KB