2024-02-01_b4b191f3562275163d5961b3a9109382_ryuk

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General

Target

2024-02-01_b4b191f3562275163d5961b3a9109382_ryuk
Size

2.0MB
MD5

b4b191f3562275163d5961b3a9109382
SHA1

f8f38c867c5fe3f9da11a2986d2dfa6c775032ae
SHA256

eefe07f1dbbaebd9c27326c48d53c483be0d089bbbd47af441eda79764bbdb25
SHA512

9b631a1dac71e0303a914e0e6b2fae8386a5fc6f64d7bf545bc207ed176d9d1198ed17dfb9fa88747a8846ff5fe9528004d4db5a1490de29b7b76c6f1e72c507
SSDEEP

49152:GO6JXnYyTahNvHQE2LcA1aSTM4beRntPcvEDvvwXiMMMMMMmSLNiXicJFFRGNzj3:n6Wjx2LgUsRMMMMMMmS7wRGpj3

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-01_b4b191f3562275163d5961b3a9109382_ryuk

Files

2024-02-01_b4b191f3562275163d5961b3a9109382_ryuk
.exe windows:5 windows x64 arch:x64

1ce1e28fd550fa3a8c4fb42370d43c64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\Projects\WinRAR\build\winrar64\Release\WinRAR.pdb

Imports

comctl32

InitCommonControlsEx
ImageList_ReplaceIcon
ord8
CreateStatusWindowW
ImageList_Remove
ImageList_AddMasked
ImageList_Add
ImageList_Destroy
ImageList_Create
PropertySheetW

shlwapi

StrCmpLogicalW
SHAutoComplete

uxtheme

IsAppThemed
IsThemeActive

kernel32

FindNextFileW
SystemTimeToTzSpecificLocalTime
SystemTimeToFileTime
ExpandEnvironmentStringsW
FindFirstChangeNotificationW
FindCloseChangeNotification
GetFileInformationByHandle
LocalFree
FormatMessageW
DeviceIoControl
BackupRead
BackupSeek
GetShortPathNameW
GetLongPathNameW
GetFileType
GetStdHandle
FlushFileBuffers
GetFileTime
GetDiskFreeSpaceExW
GetVersionExW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
LoadResource
SizeofResource
FindResourceW
LoadLibraryExW
CompareStringA
GetCurrentThread
SetThreadPriority
SetThreadExecutionState
GetSystemDirectoryW
SetCurrentDirectoryW
GetFullPathNameA
SetPriorityClass
GetProcessAffinityMask
CreateThread
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ResetEvent
ReleaseSemaphore
CreateEventW
CreateSemaphoreW
GetSystemTime
TzSpecificLocalTimeToSystemTime
GetCPInfo
IsDBCSLeadByte
WideCharToMultiByte
CompareStringW
GetModuleHandleExW
GetCompressedFileSizeW
EnumResourceNamesW
EnumResourceLanguagesW
BeginUpdateResourceW
UpdateResourceW
EndUpdateResourceW
GetLocaleInfoW
GetNumberFormatW
GetLogicalDrives
SuspendThread
ResumeThread
GetCurrentThreadId
GetLocalTime
CopyFileW
GetThreadPriority
SetErrorMode
GetPriorityClass
WaitForMultipleObjects
MulDiv
CompareFileTime
FindNextChangeNotification
GetDiskFreeSpaceW
WriteConsoleW
SetStdHandle
LCMapStringW
HeapReAlloc
GetModuleFileNameA
ExitProcess
GetConsoleCP
ReadConsoleW
GetConsoleMode
SetFilePointerEx
FreeLibraryAndExitThread
ExitThread
QueryPerformanceFrequency
EncodePointer
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
RtlUnwindEx
RaiseException
RtlPcToFileHeader
InitializeSListHead
QueryPerformanceCounter
GetStartupInfoW
IsDebuggerPresent
WaitForSingleObjectEx
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
GetProcessHeap
HeapSize
GetFileAttributesW
FindClose
FileTimeToLocalFileTime
FileTimeToSystemTime
FindFirstFileW
GetTimeFormatW
GetDateFormatW
GetModuleFileNameW
GetCommandLineW
WaitForSingleObject
CloseHandle
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
OpenFileMappingW
GetTempPathW
GetProcAddress
GetModuleHandleW
GetVersionExA
MultiByteToWideChar
CreateHardLinkW
SetLastError
DosDateTimeToFileTime
LocalFileTimeToFileTime
HeapFree
HeapAlloc
GlobalAlloc
HeapDestroy
HeapCreate
CreateProcessW
GetTickCount
DeleteFileW
SetFileAttributesW
CreateFileW
RemoveDirectoryW
CreateDirectoryW
LoadLibraryW
GetStringTypeW
GetSystemTimeAsFileTime
SetFileTime
SetFilePointer
SetEndOfFile
ReadFile
WriteFile
GetFileSize
FreeLibrary
MoveFileW
GetCPInfoExW
GetOEMCP
GetACP
GetVolumeInformationW
GetDriveTypeW
Sleep
GetCurrentProcessId
GetCurrentProcess
CreateMutexW
ReleaseMutex
GetLastError
GlobalFree
GlobalUnlock
GlobalLock
GlobalSize

user32

RegisterClassW
IsChild
GetClipboardData
LoadAcceleratorsW
LoadMenuW
SetMenu
GetMenuItemID
GetLastActivePopup
GetMenuState
FlashWindow
CopyRect
RegisterClassExW
GetSysColor
ValidateRect
CopyImage
FillRect
DrawIconEx
SystemParametersInfoW
GetSystemMenu
KillTimer
SetTimer
MessageBoxIndirectW
CharLowerW
CharUpperW
ExitWindowsEx
CharLowerA
LoadStringW
GetWindow
SetProcessDefaultLayout
CharToOemBuffW
OemToCharBuffA
OemToCharA
GetComboBoxInfo
MessageBeep
PostQuitMessage
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
PeekMessageW
MessageBoxW
EnableMenuItem
CheckMenuItem
MoveWindow
LoadImageW
GetClientRect
GetWindowTextLengthW
SetWindowTextW
EndPaint
BeginPaint
UpdateWindow
AppendMenuW
GetMenuItemCount
DrawMenuBar
wsprintfW
SetWindowLongPtrW
ScreenToClient
ClientToScreen
CallWindowProcW
PtInRect
SetMenuItemInfoW
GetMenuItemInfoW
InsertMenuItemW
TrackPopupMenu
DeleteMenu
InsertMenuW
GetSubMenu
DestroyMenu
CreatePopupMenu
GetMenu
IsWindow
WaitForInputIdle
LoadIconW
SetScrollPos
SetScrollRange
ScrollWindowEx
CreateDialogParamW
PostThreadMessageW
IsDialogMessageW
GetIconInfo
CreateIconIndirect
FindWindowW
RemovePropW
GetPropW
SetPropW
GetForegroundWindow
TranslateAcceleratorW
CreateDialogIndirectParamW
BringWindowToTop
DispatchMessageW
TranslateMessage
GetMessageW
RegisterWindowMessageW
CharToOemA
FindWindowExW
LoadCursorW
GetWindowThreadProcessId
WindowFromPoint
SetCursor
GetKeyState
RegisterClipboardFormatW
SystemParametersInfoA
GetDesktopWindow
GetWindowLongPtrW
IntersectRect
CreateIcon
EnumWindows
SetForegroundWindow
LoadBitmapW
IsCharAlphaW
GetCursorPos
ReleaseDC
GetDC
GetSystemMetrics
EnableWindow
IsIconic
IsWindowEnabled
IsDlgButtonChecked
GetDlgItemInt
SetDlgItemInt
CharToOemBuffA
ShowWindow
GetClassNameW
EnumChildWindows
InvalidateRect
PostMessageW
CheckDlgButton
DestroyIcon
GetParent
MapWindowPoints
GetWindowRect
SendDlgItemMessageW
GetDlgItemTextW
SetDlgItemTextW
GetDlgItem
EndDialog
DialogBoxParamW
IsWindowVisible
SetWindowPlacement
GetWindowPlacement
SetWindowPos
SetWindowLongW
GetWindowLongW
GetWindowTextW
SetFocus
DestroyWindow
CreateWindowExW
DefWindowProcW
SendMessageW
RedrawWindow
GetFocus

gdi32

CreatePen
CreateSolidBrush
SetTextColor
TextOutW
Polygon
Polyline
CreateCompatibleDC
DeleteDC
GetPixel
GetObjectW
BitBlt
SetBkColor
ExtTextOutW
GetTextFaceW
CreateCompatibleBitmap
GetDeviceCaps
GetMapMode
SetMapMode
StretchBlt
DPtoLP
CreateDIBSection
GetTextExtentPoint32W
LineTo
Rectangle
SetPixel
MoveToEx
CreatePatternBrush
TextOutA
GetTextMetricsW
SelectObject
CreateBitmap
DeleteObject
CreateFontW

comdlg32

CommDlgExtendedError
GetSaveFileNameW
GetOpenFileNameW
ChooseFontW

advapi32

SystemFunction036
AccessCheck
OpenProcessToken
AllocateAndInitializeSid
FreeSid
MapGenericMask
GetFileSecurityW
CheckTokenMembership
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
IsTextUnicode
RegSetValueExW
RegEnumValueW
RegEnumKeyExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
SetFileSecurityW
GetSecurityDescriptorLength
CryptGenRandom
CryptReleaseContext
CryptAcquireContextW
LookupPrivilegeValueW
AdjustTokenPrivileges
DuplicateToken

shell32

DragFinish
DragQueryFileW
Shell_NotifyIconW
DragAcceptFiles
ShellExecuteW
SHGetSpecialFolderLocation
ord100
SHAddToRecentDocs
SHFileOperationW
SHGetFolderPathW
ShellExecuteExW
SHBrowseForFolderW
SHGetMalloc
SHChangeNotify
SHGetDesktopFolder
SHGetFolderLocation
SHGetPathFromIDListW
SHGetFileInfoW
FindExecutableW

ole32

CreateStreamOnHGlobal
CoTaskMemAlloc
CoInitializeEx
CLSIDFromString
CoCreateInstance
OleSetClipboard
DoDragDrop
OleInitialize
OleUninitialize
CoTaskMemFree

oleaut32

VariantClear
SysAllocString

Sections

.text
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 180KB - Virtual size: 180KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 681KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 232B

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: 214KB - Virtual size: 214KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 568KB - Virtual size: 572KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

1ce1e28fd550fa3a8c4fb42370d43c64

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

comctl32

shlwapi

uxtheme

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

Sections

.text Size: 1.0MB - Virtual size: 1.0MB

.rdata Size: 180KB - Virtual size: 180KB

.data Size: 19KB - Virtual size: 681KB

.pdata Size: 36KB - Virtual size: 35KB

.gfids Size: 512B - Virtual size: 232B

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

.rsrc Size: 214KB - Virtual size: 214KB

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 1.0MB - Virtual size: 1.0MB

.rdata
Size: 180KB - Virtual size: 180KB

.data
Size: 19KB - Virtual size: 681KB

.pdata
Size: 36KB - Virtual size: 35KB

.gfids
Size: 512B - Virtual size: 232B

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

.rsrc
Size: 214KB - Virtual size: 214KB

.reloc
Size: 568KB - Virtual size: 572KB