2024-08-02_855d975f84e1f6fd1de98acd298ee854_ryuk

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General

Target

2024-08-02_855d975f84e1f6fd1de98acd298ee854_ryuk
Size

1.7MB
MD5

855d975f84e1f6fd1de98acd298ee854
SHA1

24096abd7cd11d3f39b2567f2961ee1788ecfeb2
SHA256

9f43c99ce1854f603207f115915d1d265a0d0b4308e7eaa25626acfa28b4db85
SHA512

57fd63b24d8cb8a466b39debc8705e5418945b6b184107cac13d46e3ad7a1fa43cdce123e3e1d7b6518fd50fae3a82648ce08b93d0e35a07ea7eb09abe228d5f
SSDEEP

24576:Q9CjiJ/uTMQVnqpJGt/mLyG51sqjnhMgeiCl7G0nehbGZpbD:Qo+/uoQVuJImtDmg27RnWGj

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-02_855d975f84e1f6fd1de98acd298ee854_ryuk

Files

2024-08-02_855d975f84e1f6fd1de98acd298ee854_ryuk
.exe windows:6 windows x64 arch:x64

88be68d4bc68a572533b43c0a5a57f95

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

s:\p4client\Consumer\MainRel3\Products\Release\x64\WavesSvc64.pdb

Imports

setupapi

SetupDiGetClassDevsA
CM_Get_DevNode_Status_Ex
SetupDiGetDeviceInstanceIdA
SetupDiEnumDeviceInfo
SetupDiEnumDeviceInterfaces
CM_Get_Device_IDA
SetupDiGetDeviceInterfaceDetailA
SetupDiDestroyDeviceInfoList
SetupDiGetDeviceRegistryPropertyA
CM_Get_Parent

avrt

AvRevertMmThreadCharacteristics
AvSetMmThreadCharacteristicsA

powrprof

PowerGetActiveScheme
PowerReadDCValue

kernel32

ResetEvent
GetTempPathW
DeleteFileA
GetTempFileNameW
GetModuleHandleA
lstrlenA
QueryPerformanceFrequency
QueryPerformanceCounter
UnmapViewOfFile
CreateFileMappingA
OpenFileMappingA
MapViewOfFile
LocalFree
FormatMessageA
GetModuleFileNameA
LoadLibraryA
GetProcAddress
FreeLibrary
SetWaitableTimer
SetLastError
EnterCriticalSection
LeaveCriticalSection
CreateMutexA
GetCurrentThreadId
ReleaseMutex
ProcessIdToSessionId
Sleep
GetTickCount64
CreateWaitableTimerA
GetCurrentProcessId
CreateProcessA
GetCurrentProcess
DeviceIoControl
CreateFileA
WaitForSingleObjectEx
Process32First
TerminateProcess
CreateToolhelp32Snapshot
Process32Next
WTSGetActiveConsoleSessionId
GetExitCodeProcess
GetCurrentThread
GetThreadPriority
GetSystemPowerStatus
IsValidCodePage
FindNextFileA
FindFirstFileExA
FindClose
GetConsoleCP
WaitForMultipleObjects
LCMapStringW
GetConsoleMode
SetFilePointerEx
GetStringTypeW
GetFileType
GetACP
WriteFile
GetStdHandle
GetModuleHandleExW
ExitProcess
GetCommandLineW
GetCommandLineA
RtlUnwindEx
RtlPcToFileHeader
LoadLibraryW
CreateTimerQueue
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
ReleaseSemaphore
DuplicateHandle
VirtualProtect
GetVersionExW
LoadLibraryExW
GetModuleFileNameW
FreeLibraryAndExitThread
GetThreadTimes
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetProcessAffinityMask
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
CreateTimerQueueTimer
GetLogicalProcessorInformation
SetThreadPriority
SwitchToThread
SignalObjectAndWait
GetStartupInfoW
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetModuleHandleW
GetTickCount
GetSystemTimeAsFileTime
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
CreateEventW
InitializeCriticalSectionAndSpinCount
FindResourceW
LoadResource
FindResourceExW
LockResource
SizeofResource
CreateThread
SetEvent
WaitForSingleObject
CreateEventA
CloseHandle
QueryFullProcessImageNameA
K32GetModuleFileNameExA
OpenProcess
K32EnumProcessModulesEx
OutputDebugStringA
WideCharToMultiByte
GetProcessHeap
DeleteCriticalSection
HeapDestroy
DecodePointer
HeapAlloc
RaiseException
HeapReAlloc
GetLastError
MultiByteToWideChar
HeapSize
InitializeCriticalSectionEx
HeapFree
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
FlushFileBuffers
WriteConsoleW
CreateFileW
TryEnterCriticalSection
LoadLibraryExA
VirtualFree
VirtualAlloc
FlushInstructionCache
InterlockedPushEntrySList
InterlockedPopEntrySList
InitializeSListHead
EncodePointer
OutputDebugStringW
IsDebuggerPresent

user32

LoadImageA
SetWindowPos
FillRect
ShowWindow
DrawTextA
SetWindowLongA
SetCursor
InvalidateRect
RegisterWindowMessageA
LoadCursorA
IsWindow
MsgWaitForMultipleObjectsEx
FindWindowExA
ChangeWindowMessageFilterEx
PeekMessageA
RegisterClassExA
UnregisterPowerSettingNotification
RegisterPowerSettingNotification
GetMessageA
DispatchMessageA
CallNextHookEx
PostThreadMessageA
SetWindowsHookExA
UnhookWindowsHookEx
TranslateMessage
EndDialog
GetWindowTextA
GetWindowLongA
GetClassInfoA
SendMessageA
CreateDialogParamA
GetDlgItem
LoadMenuA
DestroyWindow
TrackPopupMenu
GetSubMenu
RegisterClassA
DestroyMenu
CreateWindowExA
LoadIconA
SetForegroundWindow
GetCursorPos
CharUpperA
SetTimer
CallWindowProcA
DefWindowProcA
GetWindowLongPtrA
KillTimer
SetWindowLongPtrA
PostMessageA
UnregisterClassA
GetClassInfoExA

gdi32

SelectObject
GetDIBColorTable
CreateCompatibleDC
StretchBlt
DeleteDC
SetTextColor
SetBkMode
DeleteObject
CreateSolidBrush
GetObjectA

advapi32

CreateProcessAsUserA
SetSecurityDescriptorDacl
RegOpenKeyExA
RegQueryValueExA
RegDeleteKeyA
RegCreateKeyExA
RegSetValueExA
RegDeleteValueA
RegNotifyChangeKeyValue
RegCloseKey
InitializeSecurityDescriptor

shell32

SHGetFolderPathA
ShellExecuteExA
SHGetSpecialFolderPathA
Shell_NotifyIconA

ole32

StringFromCLSID
PropVariantClear
CoTaskMemFree
CoCreateInstance
CoFreeUnusedLibrariesEx
CoUninitialize
CoInitialize

oleaut32

SysFreeString

maxxaudioaposhell64

WavesFX_RegisterChangeNotification
WavesFX_SetParametersArray
WavesFX_GetRuntimeData_Value
WavesFX_Preset_SetParameter
WavesFX_GetParameter
WavesFX_Preset_RevertToDefault
WavesFX_SetRuntimeData_Value
WavesFX_Preset_GetType
WavesFX_Preset_SetTypeEx
WavesFX_Preset_GetActive
WavesFX_Preset_GetCount
WavesFX_Preset_GetParameter
WavesFX_Preset_SetActive
WavesFX_SetDoubleBufferingMode
WavesFX_Initialize
WavesFX_Uninitialize
WavesFX_Preset_SetType
WavesFX_GetProperty
WavesFX_Preset_SetSoundMode
WavesFX_Preset_SetActive2
WavesFX_Preset_GetSoundMode

shlwapi

PathFileExistsA

wtsapi32

WTSQueryUserToken

gdiplus

GdiplusShutdown

msimg32

TransparentBlt
AlphaBlend

Sections

.text
Size: 474KB - Virtual size: 474KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

RT_CODE
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 165KB - Virtual size: 164KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 26KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 27KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 2KB - Virtual size: 2KB

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: 490KB - Virtual size: 490KB

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

88be68d4bc68a572533b43c0a5a57f95

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

setupapi

avrt

powrprof

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

maxxaudioaposhell64

shlwapi

wtsapi32

gdiplus

msimg32

Sections

.text Size: 474KB - Virtual size: 474KB

RT_CODE Size: 1KB - Virtual size: 1KB

.rdata Size: 165KB - Virtual size: 164KB

.data Size: 26KB - Virtual size: 55KB

.pdata Size: 27KB - Virtual size: 26KB

.gfids Size: 2KB - Virtual size: 2KB

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

.rsrc Size: 490KB - Virtual size: 490KB

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

.text
Size: 474KB - Virtual size: 474KB

RT_CODE
Size: 1KB - Virtual size: 1KB

.rdata
Size: 165KB - Virtual size: 164KB

.data
Size: 26KB - Virtual size: 55KB

.pdata
Size: 27KB - Virtual size: 26KB

.gfids
Size: 2KB - Virtual size: 2KB

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

.rsrc
Size: 490KB - Virtual size: 490KB

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