2024-03-12_73e411f9cc4095f08661320e06200250_ryuk

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General

Target

2024-03-12_73e411f9cc4095f08661320e06200250_ryuk
Size

3.1MB
MD5

73e411f9cc4095f08661320e06200250
SHA1

787f7bf8bf2bc08cdefb15b51d29b9a049cba240
SHA256

158892b7dc5eb084aad5fe0cfbbdcb0fcc9697088dc39f6ec435236d7e53bb5d
SHA512

5d423f6ba635170ab76641cc365792a01dbd576245f512f716a53bfd2d1d47316594d1ef6273a527262f878d78b7db9432d752bcc26563ddbe641c46bba8f2df
SSDEEP

49152:bqA4DtJKW5fcUKW1wgEAXsruxFTLvIY45wsBr/5ZomGzNQeyUHBdH3hNt2r4PRS8:bX5WmdFBrGKe9BpRNt2sEE5

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-12_73e411f9cc4095f08661320e06200250_ryuk

Files

2024-03-12_73e411f9cc4095f08661320e06200250_ryuk
.exe windows:5 windows x64 arch:x64

81c9e566ed17273499c0c47a5df95847

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

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
GetCurrentThreadId
GetLogicalDrives
LockResource
SetEnvironmentVariableW
SuspendThread
ResumeThread
GetStartupInfoW
Beep
GetSystemTimeAsFileTime
CopyFileW
GetThreadPriority
SetErrorMode
FindNextChangeNotification
GetPriorityClass
WaitForMultipleObjects
MulDiv
CompareFileTime
HeapSize
DeviceIoControl
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
IsValidCodePage
FindNextFileA
FindFirstFileExA
GetProcessHeap
WriteConsoleW
SetStdHandle
LCMapStringW
GetStringTypeW
HeapReAlloc
GetModuleFileNameA
ExitProcess
GetConsoleCP
ReadConsoleW
GetConsoleMode
SetFilePointerEx
ExitThread
RtlUnwindEx
RaiseException
RtlPcToFileHeader
CreateTimerQueue
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
DuplicateHandle
VirtualProtect
VirtualFree
VirtualAlloc
GetModuleHandleA
FreeLibraryAndExitThread
GetThreadTimes
EncodePointer
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
CreateTimerQueueTimer
GetLogicalProcessorInformation
SwitchToThread
SignalObjectAndWait
InitializeSListHead
IsDebuggerPresent
WaitForSingleObjectEx
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
QueryPerformanceFrequency
QueryPerformanceCounter
TryEnterCriticalSection
FormatMessageW
GetFileInformationByHandle
GetLocalTime
FindCloseChangeNotification
FindFirstChangeNotificationW
ExpandEnvironmentStringsW
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
FindNextFileW
GetDiskFreeSpaceW
CreateHardLinkW
SetLastError
DosDateTimeToFileTime
LocalFileTimeToFileTime
HeapFree
HeapAlloc
HeapDestroy
HeapCreate
DeleteFileW
SetFileAttributesW
CreateFileW
RemoveDirectoryW
CreateDirectoryW
LoadLibraryW
SetFileTime
SetFilePointer
SetEndOfFile
ReadFile
WriteFile
GetFileSize
FreeLibrary
MoveFileW
GetTickCount
GetCPInfoExW
GetOEMCP
GetACP
GetVolumeInformationW
GetDriveTypeW
DecodePointer
Sleep
GetCurrentProcessId
GetCurrentProcess
CreateMutexW
ReleaseMutex
GetLastError
GlobalFree
GlobalUnlock
GlobalLock
GlobalSize
GlobalAlloc
MultiByteToWideChar
GetModuleHandleW
GetProcAddress
GetTempPathW
OpenFileMappingW
CreateFileMappingW
UnmapViewOfFile
MapViewOfFile
CloseHandle
WaitForSingleObject
GetCommandLineW
GetModuleFileNameW
GetDateFormatW
GetTimeFormatW
FindFirstFileW
FileTimeToSystemTime
FileTimeToLocalFileTime
FindClose
GetFileAttributesW

user32

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

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
ShellExecuteW
SHGetSpecialFolderLocation
ord100
SHAddToRecentDocs
SHFileOperationW
SHGetFolderPathW
ShellExecuteExW
SHBrowseForFolderW
SHGetMalloc
SHChangeNotify
SHGetDesktopFolder
SHGetFolderLocation
SHGetFileInfoW
SHGetPathFromIDListW

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: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 286KB - Virtual size: 285KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 50KB - Virtual size: 709KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 48KB - Virtual size: 48KB

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: 894KB - Virtual size: 894KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 576KB - Virtual size: 580KB

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

81c9e566ed17273499c0c47a5df95847

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: 1.2MB - Virtual size: 1.2MB

.rdata Size: 286KB - Virtual size: 285KB

.data Size: 50KB - Virtual size: 709KB

.pdata Size: 48KB - Virtual size: 48KB

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

.rsrc Size: 894KB - Virtual size: 894KB

.reloc Size: 576KB - Virtual size: 580KB

.text
Size: 1.2MB - Virtual size: 1.2MB

.rdata
Size: 286KB - Virtual size: 285KB

.data
Size: 50KB - Virtual size: 709KB

.pdata
Size: 48KB - Virtual size: 48KB

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

.rsrc
Size: 894KB - Virtual size: 894KB

.reloc
Size: 576KB - Virtual size: 580KB