2024-04-21_b926991e64f61b3f6c7780cece9d3220_ryuk

Sharing

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General

Target

2024-04-21_b926991e64f61b3f6c7780cece9d3220_ryuk
Size

2.8MB
MD5

b926991e64f61b3f6c7780cece9d3220
SHA1

3dae41820b04c997d1900d7db10d785d653e8ae9
SHA256

6313e17c17fb6df75e6a90e03bf6f985988e16fca21f6d641e952d3b0672db43
SHA512

f2848bf6b6631961689642667ca5664763bd7cf0ac5cbcbe969cc7436d7de3d446f922667fd3850f1f2e06ccdc2dd11a88d2260be97f966013fdfaa838b8569c
SSDEEP

49152:gCVBvcQxMKUDkqMfRW9Ecc2u243a01TItTbzGi2f9zNDNui0hBdH3eWNLwex+8cu:j9chOOuiP69tNuTBpOWNEex+u5Ck9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-21_b926991e64f61b3f6c7780cece9d3220_ryuk

Files

2024-04-21_b926991e64f61b3f6c7780cece9d3220_ryuk
.exe windows:5 windows x64 arch:x64

a216a28e31e7d06b2291dac4fe0ed800

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

kernel32

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

user32

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

gdi32

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

comdlg32

GetOpenFileNameW
GetSaveFileNameW
CommDlgExtendedError
ChooseFontW

advapi32

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

shell32

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

ole32

RevokeDragDrop
RegisterDragDrop
OleUninitialize
OleInitialize
CLSIDFromString
CreateStreamOnHGlobal
CoTaskMemAlloc
CoInitializeEx
CoTaskMemFree
CoCreateInstance
OleSetClipboard
DoDragDrop

oleaut32

VariantClear
SysAllocString

shlwapi

StrCmpLogicalW
SHAutoComplete

powrprof

SetSuspendState

comctl32

CreateStatusWindowW
ImageList_Create
ImageList_ReplaceIcon
InitCommonControlsEx
PropertySheetW

uxtheme

IsThemeActive
IsAppThemed

gdiplus

GdiplusShutdown
GdiplusStartup
GdipCreateHBITMAPFromBitmap
GdipCreateBitmapFromFileICM
GdipCreateBitmapFromStreamICM
GdipCreateBitmapFromFile
GdipCreateBitmapFromStream
GdipDisposeImage
GdipCloneImage
GdipFree
GdipAlloc
GdipCreateBitmapFromHBITMAP
GdipBitmapGetPixel
GdipBitmapSetPixel

msimg32

GradientFill

Sections

.text
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 230KB - Virtual size: 230KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 44KB - Virtual size: 677KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 224B

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: 885KB - Virtual size: 888KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 572KB - Virtual size: 576KB

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

a216a28e31e7d06b2291dac4fe0ed800

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

shlwapi

powrprof

comctl32

uxtheme

gdiplus

msimg32

Sections

.text Size: 1.1MB - Virtual size: 1.1MB

.rdata Size: 230KB - Virtual size: 230KB

.data Size: 44KB - Virtual size: 677KB

.pdata Size: 37KB - Virtual size: 36KB

.gfids Size: 512B - Virtual size: 224B

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

.rsrc Size: 885KB - Virtual size: 888KB

.reloc Size: 572KB - Virtual size: 576KB

.text
Size: 1.1MB - Virtual size: 1.1MB

.rdata
Size: 230KB - Virtual size: 230KB

.data
Size: 44KB - Virtual size: 677KB

.pdata
Size: 37KB - Virtual size: 36KB

.gfids
Size: 512B - Virtual size: 224B

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

.rsrc
Size: 885KB - Virtual size: 888KB

.reloc
Size: 572KB - Virtual size: 576KB