2024-03-27_13e80b21485d4c8fc6d1a25aaeb4522a_ryuk

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General

Target

2024-03-27_13e80b21485d4c8fc6d1a25aaeb4522a_ryuk
Size

5.6MB
MD5

13e80b21485d4c8fc6d1a25aaeb4522a
SHA1

c5094992b301965ca5602f1670d0e41f2f712dba
SHA256

694cd0d057b05a3a5f783273e131bde7d50c6942aaf0f9b17b140fd38c4498f2
SHA512

5c1700ff796b1f413a92bfee7024587a764687afc1633aeeb4aa79834bbd6b84ddddfc4796bf07931dbeebda5072d39fe4ce2508a9b0b31117698cd912d41a98
SSDEEP

49152:47yKx/21haGXJ4y0Q7nvhRbqFOSXausReJ30nUty/h5kxqolpXUMuFP3bBaTAqlu:HJbVZRcxOo7uxQXldkYQv9Aaxb

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-27_13e80b21485d4c8fc6d1a25aaeb4522a_ryuk

Files

2024-03-27_13e80b21485d4c8fc6d1a25aaeb4522a_ryuk
.exe windows:6 windows x64 arch:x64

b848c80bcced3cb4b33e1bdfa789abbc

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

opengl32

wglCreateContext
wglDeleteContext
wglGetCurrentContext
wglGetProcAddress
wglMakeCurrent
wglShareLists

user32

AdjustWindowRectEx
CallWindowProcW
ChangeDisplaySettingsExW
ClientToScreen
ClipCursor
CloseClipboard
CloseTouchInputHandle
CreateIcon
CreateWindowExW
DefWindowProcW
DestroyIcon
DestroyWindow
DispatchMessageW
EmptyClipboard
EnableMenuItem
FindWindowW
GetActiveWindow
GetAsyncKeyState
GetClassInfoExW
GetClassNameW
GetClientRect
GetClipCursor
GetClipboardData
GetCursorPos
GetDC
GetKeyState
GetKeyboardLayout
GetKeyboardState
GetMenu
GetMessageW
GetMonitorInfoW
GetPropW
GetRawInputData
GetSystemMenu
GetSystemMetrics
GetTouchInputInfo
GetWindowLongPtrW
GetWindowLongW
GetWindowPlacement
GetWindowRect
InvalidateRgn
IsIconic
IsProcessDPIAware
KillTimer
LoadCursorW
MapVirtualKeyExW
MapVirtualKeyW
MessageBoxW
MonitorFromRect
MonitorFromWindow
OpenClipboard
PeekMessageW
PostMessageW
RedrawWindow
RegisterClassExW
RegisterRawInputDevices
RegisterTouchWindow
RegisterWindowMessageA
ReleaseCapture
ReleaseDC
RemovePropW
ScreenToClient
SendInput
SendMessageW
SetCapture
SetClipboardData
SetCursor
SetForegroundWindow
SetPropW
SetTimer
SetWindowDisplayAffinity
SetWindowLongPtrW
SetWindowLongW
SetWindowPlacement
SetWindowPos
SetWindowTextW
ShowCursor
ShowWindow
SystemParametersInfoA
ToUnicodeEx
TrackMouseEvent
TranslateMessage
ValidateRect

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CloseHandle
CompareStringOrdinal
CompareStringW
CreateDirectoryW
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexA
CreateNamedPipeW
CreateProcessW
CreateThread
CreateWaitableTimerExW
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DuplicateHandle
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetConsoleScreenBufferInfo
GetConsoleWindow
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumber
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetEnvironmentVariableA
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameW
GetLargePageMinimum
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNumaHighestNodeNumber
GetNumaNodeProcessorMask
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessTimes
GetQueuedCompletionStatusEx
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetUserDefaultLocaleName
GetWindowsDirectoryW
GlobalAlloc
GlobalFree
GlobalLock
GlobalSize
GlobalUnlock
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
MapViewOfFile
MultiByteToWideChar
OutputDebugStringW
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadFileEx
RegisterWaitForSingleObject
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleMode
SetConsoleTextAttribute
SetEnvironmentVariableW
SetFileInformationByHandle
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadErrorMode
SetThreadStackGuarantee
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SleepConditionVariableSRW
SleepEx
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeConditionVariable
WideCharToMultiByte
WriteConsoleA
WriteConsoleW
WriteFile
WriteFileEx
lstrlenW

shell32

DragFinish
DragQueryFileW
SHGetKnownFolderPath

bcrypt

BCryptGenRandom

gdi32

BitBlt
ChoosePixelFormat
CreateCompatibleDC
CreateDIBSection
CreateRectRgn
DeleteDC
DeleteObject
DescribePixelFormat
GetDeviceCaps
SelectObject
SetPixelFormat
SwapBuffers

ole32

CoCreateInstance
CoInitializeEx
CoTaskMemFree
CoUninitialize
OleInitialize
RegisterDragDrop
RevokeDragDrop

dwmapi

DwmEnableBlurBehindWindow

oleaut32

GetErrorInfo
SafeArrayCreateVector
SafeArrayPutElement
SetErrorInfo
SysAllocStringLen
SysFreeString
SysStringLen
VariantClear

imm32

ImmAssociateContextEx
ImmGetCompositionStringW
ImmGetContext
ImmReleaseContext
ImmSetCandidateWindow
ImmSetCompositionWindow

ntdll

NtCancelIoFileEx
NtCreateFile
NtDeviceIoControlFile
NtReadFile
NtWriteFile
RtlNtStatusToDosError

advapi32

AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
RegCloseKey
RegCreateKeyExW
RegDeleteTreeW
RegOpenKeyExW
RegSetValueExW
SystemFunction036

uxtheme

SetWindowTheme

uiautomationcore

UiaGetReservedNotSupportedValue
UiaHostProviderFromHwnd
UiaLookupId
UiaRaiseAutomationEvent
UiaRaiseAutomationPropertyChangedEvent
UiaReturnRawElementProvider

Sections

.text
Size: 4.0MB - Virtual size: 4.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 233KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 117KB - Virtual size: 117KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 51KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b848c80bcced3cb4b33e1bdfa789abbc

Headers

DLL Characteristics

File Characteristics

Imports

opengl32

user32

kernel32

shell32

bcrypt

gdi32

ole32

dwmapi

oleaut32

imm32

ntdll

advapi32

uxtheme

uiautomationcore

Sections

.text Size: 4.0MB - Virtual size: 4.0MB

.rdata Size: 1.4MB - Virtual size: 1.4MB

.data Size: 16KB - Virtual size: 233KB

.pdata Size: 117KB - Virtual size: 117KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 7KB - Virtual size: 7KB

.tls Size: 2KB - Virtual size: 1KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 10KB - Virtual size: 10KB

.reloc Size: 51KB - Virtual size: 51KB

.text
Size: 4.0MB - Virtual size: 4.0MB

.rdata
Size: 1.4MB - Virtual size: 1.4MB

.data
Size: 16KB - Virtual size: 233KB

.pdata
Size: 117KB - Virtual size: 117KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 7KB - Virtual size: 7KB

.tls
Size: 2KB - Virtual size: 1KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 10KB - Virtual size: 10KB

.reloc
Size: 51KB - Virtual size: 51KB