2024-03-15_27b212a4dd85e1489a319e5bffb8e8e4_ryuk

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General

Target

2024-03-15_27b212a4dd85e1489a319e5bffb8e8e4_ryuk
Size

10.0MB
MD5

27b212a4dd85e1489a319e5bffb8e8e4
SHA1

f9ce83e4558a068ed6392eeb56c8d24fd7d491b8
SHA256

b435d144865fbb2f05fc13239fe1cf8445853761d351d76ba440cc43df76d02d
SHA512

36119d9086798196338472164d9aed832c3bce733a5b3b66fa79e25c3826be52d9d47379e7bc1ad97b9d980fef2b27f22520a17b90759ef351e746602b1cbd62
SSDEEP

98304:9OIT75iBU3es/zYKQphi4v0tEpYJCvVn/IHqudk5K35KFhcaP2rzzALYlz1ELvR+:sIT+k/nIBvt0dkAJK+ALYCt+

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-15_27b212a4dd85e1489a319e5bffb8e8e4_ryuk

Files

2024-03-15_27b212a4dd85e1489a319e5bffb8e8e4_ryuk
.exe windows:6 windows x64 arch:x64

3a72612822fc2fc15cb580ff5b5f0cab

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

/home/jskinner/.release_build/build/gn/lto_win_x64/sublime_text.pdb

Imports

advapi32

RegCloseKey
RegOpenKeyExW
RegQueryValueExW

comdlg32

CommDlgExtendedError
GetOpenFileNameW
GetSaveFileNameW

gdi32

BitBlt
ChoosePixelFormat
CombineRgn
CreateCompatibleDC
CreateDIBSection
CreateFontIndirectW
CreateRectRgn
CreateSolidBrush
DeleteDC
DeleteObject
DescribePixelFormat
EnumFontFamiliesExW
GetCurrentObject
GetDIBits
GetDeviceCaps
GetObjectW
GetRegionData
GetStockObject
GetTextExtentPointW
GetTextMetricsW
Rectangle
SelectClipRgn
SelectObject
SetBkMode
SetDCBrushColor
SetDCPenColor
SetPixelFormat
SetTextColor
TextOutW

comctl32

ord345

shell32

CommandLineToArgvW
DragAcceptFiles
DragQueryFileW
ExtractIconExW
SHBrowseForFolderW
ord74
SHFileOperationW
SHGetFolderPathW
SHGetPathFromIDListW
ShellExecuteW

user32

AdjustWindowRectEx
AllowSetForegroundWindow
AppendMenuW
BeginPaint
CheckMenuItem
ClientToScreen
CloseClipboard
CopyRect
CreateCaret
CreateMenu
CreatePopupMenu
CreateWindowExW
DefWindowProcW
DestroyCaret
DestroyMenu
DestroyWindow
DispatchMessageW
EmptyClipboard
EnableMenuItem
EnableWindow
EndPaint
EnumClipboardFormats
EnumDisplayMonitors
FillRect
GetActiveWindow
GetCapture
GetCaretBlinkTime
GetClassInfoExW
GetClientRect
GetClipboardData
GetClipboardFormatNameW
GetCursorPos
GetDC
GetDCEx
GetDoubleClickTime
GetFocus
GetIconInfo
GetKeyState
GetMenu
GetMenuItemCount
GetMenuItemID
GetMessageTime
GetMonitorInfoW
GetParent
GetSubMenu
GetSysColor
GetSystemMenu
GetSystemMetrics
GetUpdateRgn
GetWindowLongPtrW
GetWindowLongW
GetWindowPlacement
GetWindowRect
HideCaret
InsertMenuW
InvalidateRect
IsIconic
IsWindowVisible
KillTimer
LoadCursorW
MessageBoxW
ModifyMenuW
MonitorFromPoint
MonitorFromRect
MonitorFromWindow
MsgWaitForMultipleObjectsEx
OpenClipboard
PeekMessageW
PostMessageW
PostQuitMessage
PostThreadMessageW
PtInRect
RegisterClassExW
RegisterClipboardFormatA
RegisterClipboardFormatW
ReleaseCapture
ReleaseDC
RemoveMenu
ScreenToClient
SendInput
SendMessageW
SetCapture
SetCaretPos
SetClipboardData
SetCursor
SetFocus
SetForegroundWindow
SetMenu
SetMenuDefaultItem
SetMenuInfo
SetMenuItemInfoW
SetScrollInfo
SetTimer
SetWindowLongW
SetWindowPlacement
SetWindowPos
SetWindowTextW
ShowCursor
ShowWindow
SystemParametersInfoW
TrackMouseEvent
TrackPopupMenu
TrackPopupMenuEx
TranslateMessage
UpdateLayeredWindow
wsprintfA
wsprintfW

ole32

CoCreateInstance
CoInitialize
CoLockObjectExternal
CoTaskMemFree
DoDragDrop
OleInitialize
RegisterDragDrop
ReleaseStgMedium
RevokeDragDrop

imm32

ImmGetCompositionStringW
ImmGetContext
ImmNotifyIME
ImmReleaseContext
ImmSetCandidateWindow

opengl32

glBindTexture
glBlendFunc
glClear
glClearColor
glDeleteTextures
glDisable
glDrawArrays
glDrawElements
glEnable
glFlush
glGenTextures
glGetError
glGetString
glPixelStorei
glScissor
glTexImage2D
glTexParameteri
glTexSubImage2D
glViewport
wglCreateContext
wglDeleteContext
wglMakeCurrent
wglShareLists

dwmapi

DwmEnableBlurBehindWindow
DwmExtendFrameIntoClientArea
DwmFlush
DwmGetColorizationColor
DwmGetCompositionTimingInfo
DwmIsCompositionEnabled
DwmSetWindowAttribute

uxtheme

DrawThemeTextEx
GetThemeSysFont
OpenThemeData

wininet

HttpOpenRequestW
HttpQueryInfoW
HttpSendRequestW
InternetCloseHandle
InternetConnectW
InternetOpenW
InternetReadFile

kernel32

CancelIo
ChangeTimerQueueTimer
CloseHandle
CompareStringW
ConnectNamedPipe
CopyFileW
CreateDirectoryW
CreateEventA
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateNamedPipeA
CreateProcessW
CreateSemaphoreW
CreateThread
CreateTimerQueue
CreateTimerQueueTimer
DecodePointer
DeleteCriticalSection
DeleteFileW
DeleteTimerQueueTimer
DeviceIoControl
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FindClose
FindFirstFileExA
FindFirstFileExW
FindFirstFileW
FindNextFileA
FindNextFileW
FlushFileBuffers
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetExitCodeThread
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetLongPathNameW
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNamedPipeClientProcessId
GetNamedPipeServerProcessId
GetNativeSystemInfo
GetNumaHighestNodeNumber
GetOEMCP
GetOverlappedResult
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetProcessId
GetProcessTimes
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathW
GetThreadPriority
GetThreadTimes
GetTickCount
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetVolumeInformationByHandleW
GlobalAlloc
GlobalLock
GlobalSize
GlobalUnlock
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
InterlockedFlushSList
InterlockedPopEntrySList
InterlockedPushEntrySList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadLibraryW
LocalAlloc
LocalFree
LockFile
MapViewOfFile
MoveFileExW
MoveFileW
MultiByteToWideChar
OpenFileMappingW
OpenProcess
OutputDebugStringA
OutputDebugStringW
QueryDepthSList
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadDirectoryChangesW
ReadFile
RegisterWaitForSingleObject
ReleaseSemaphore
RemoveDirectoryW
ReplaceFileW
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableA
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetHandleInformation
SetLastError
SetNamedPipeHandleState
SetPriorityClass
SetStdHandle
SetThreadAffinityMask
SetThreadPriority
SetUnhandledExceptionFilter
SignalObjectAndWait
Sleep
SleepConditionVariableCS
SwitchToThread
SystemTimeToFileTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryEnterCriticalSection
UnhandledExceptionFilter
UnlockFile
UnmapViewOfFile
UnregisterWait
UnregisterWaitEx
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQueryEx
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeA
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 6.2MB - Virtual size: 6.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 452KB - Virtual size: 513KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 382KB - Virtual size: 381KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 49B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 118KB - Virtual size: 118KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 632KB - Virtual size: 636KB

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

3a72612822fc2fc15cb580ff5b5f0cab

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

comdlg32

gdi32

comctl32

shell32

user32

ole32

imm32

opengl32

dwmapi

uxtheme

wininet

kernel32

Sections

.text Size: 6.2MB - Virtual size: 6.2MB

.rdata Size: 2.3MB - Virtual size: 2.3MB

.data Size: 452KB - Virtual size: 513KB

.pdata Size: 382KB - Virtual size: 381KB

.00cfg Size: 512B - Virtual size: 16B

.tls Size: 512B - Virtual size: 49B

.rsrc Size: 118KB - Virtual size: 118KB

.reloc Size: 632KB - Virtual size: 636KB

.text
Size: 6.2MB - Virtual size: 6.2MB

.rdata
Size: 2.3MB - Virtual size: 2.3MB

.data
Size: 452KB - Virtual size: 513KB

.pdata
Size: 382KB - Virtual size: 381KB

.00cfg
Size: 512B - Virtual size: 16B

.tls
Size: 512B - Virtual size: 49B

.rsrc
Size: 118KB - Virtual size: 118KB

.reloc
Size: 632KB - Virtual size: 636KB