2024-06-16_94643ff45be4a1db6c6ab0dee38edb5d_ryuk

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General

Target

2024-06-16_94643ff45be4a1db6c6ab0dee38edb5d_ryuk
Size

8.6MB
MD5

94643ff45be4a1db6c6ab0dee38edb5d
SHA1

b70d0cb2fe809cd5b63b5ce3c6cd102c85c86ae8
SHA256

67ef28ab0437dd4159648706c70c0beca22da3ed78ca55c0499ad1cf002ee89a
SHA512

46b461ab78e8d195cda41b008e27031b345bffa1d2863245a7ccd0830acbbc12aef48fb11cd927e55a029684f0fb009c8891ac75eb6287a037890597e9b56784
SSDEEP

98304:38G+Oh7WcvmEgG+Oh7WDEzGwt3fS1eBZQflxn3fS1eNu:32ESc+XESozN3fvQflxn3fI

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-16_94643ff45be4a1db6c6ab0dee38edb5d_ryuk

Files

2024-06-16_94643ff45be4a1db6c6ab0dee38edb5d_ryuk
.exe windows:6 windows x64 arch:x64

f3fdbbf614b82c891d38deaaa4dd966a

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

PDB Paths

C:\Users\tcs\Desktop\MUP\VROC_FWUpdateTool_V1.0.2_ohChangEun_9A1_HP_Hyesu_통합버전\x64\MUP_Release\MUP.pdb

Imports

kernel32

GetCurrentProcess
FileTimeToLocalFileTime
GetFileAttributesExW
GetFileSizeEx
SystemTimeToTzSpecificLocalTime
GetUserDefaultLCID
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
WriteFile
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
GetTimeZoneInformation
GetConsoleMode
GetConsoleOutputCP
SetFilePointerEx
GetFileType
EnumSystemLocalesW
IsValidLocale
ExitProcess
GetStdHandle
HeapQueryInformation
GetCommandLineA
RtlUnwindEx
RtlPcToFileHeader
GetCPInfo
LCMapStringW
GetStringTypeW
OutputDebugStringW
SetEndOfFile
GetVolumeInformationW
GetFullPathNameW
FlushFileBuffers
FindFirstFileW
FindClose
FileTimeToSystemTime
DeleteFileW
GlobalFlags
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GetCurrentProcessId
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
CreateEventW
SetEvent
LocalReAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
FormatMessageW
GlobalFree
GlobalUnlock
GlobalFindAtomW
GlobalAddAtomW
GetProcAddress
GetSystemDirectoryW
EncodePointer
SetErrorMode
FindResourceW
lstrcmpW
lstrcmpA
GlobalDeleteAtom
GlobalLock
GlobalAlloc
SizeofResource
LockResource
LoadResource
LoadLibraryExW
FreeLibrary
GetVersionExW
GetCurrentThreadId
GetCurrentThread
QueryActCtxW
FindActCtxSectionStringW
DeactivateActCtx
ActivateActCtx
CreateActCtxW
LoadLibraryW
GetModuleHandleExW
GetModuleFileNameW
InitializeCriticalSectionAndSpinCount
SetLastError
OutputDebugStringA
GetACP
WideCharToMultiByte
QueryPerformanceCounter
QueryPerformanceFrequency
GetProcessHeap
DeleteCriticalSection
DecodePointer
HeapAlloc
RaiseException
HeapReAlloc
HeapSize
InitializeCriticalSectionEx
HeapFree
GetCommandLineW
GetModuleHandleW
LocalAlloc
LocalFree
MultiByteToWideChar
ReadFile
CloseHandle
GetLastError
DeviceIoControl
ReadConsoleW
CreateFileW
WriteConsoleW

user32

CheckMenuItem
SetWindowTextW
IsWindowEnabled
ShowWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
LoadIconW
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExW
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongPtrW
SetWindowLongPtrW
GetWindowLongPtrW
SetWindowLongW
PtInRect
CopyRect
GetSysColor
MapWindowPoints
EnableMenuItem
AdjustWindowRectEx
GetWindowRect
RemovePropW
GetPropW
SetPropW
RedrawWindow
ValidateRect
EndPaint
BeginPaint
SetForegroundWindow
UpdateWindow
GetMenuItemCount
GetMenuItemID
GetSubMenu
MessageBoxW
wsprintfW
SetMenu
GetMenu
EnableWindow
GetCapture
GetKeyState
GetFocus
GetDlgCtrlID
GetDlgItem
IsIconic
IsWindowVisible
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
SetMenuItemInfoW
LoadBitmapW
GetMessageW
TranslateMessage
GetActiveWindow
GetCursorPos
SetCursor
ScreenToClient
GetWindowThreadProcessId
GetClientRect
SetRectEmpty
OffsetRect
GetParent
PostMessageW
PostQuitMessage
SendMessageW
GetScrollPos
GetWindowTextW
GetWindowLongW
GetWindow
RegisterWindowMessageW
DispatchMessageW
PeekMessageW
GetMessagePos
GetMessageTime
DefWindowProcW
CallWindowProcW
RegisterClassW
GetClassInfoW
GetClassInfoExW
CreateWindowExW
IsWindow
IsMenu
DestroyWindow
SetWindowPos
LoadCursorW
GetSysColorBrush
ClientToScreen
RealChildWindowFromPoint
SetTimer
KillTimer
InvalidateRect
DrawTextW
DrawTextExW
GrayStringW
TabbedTextOutW
GetDC
ReleaseDC
GetSystemMetrics
DestroyMenu
CharUpperW
GetForegroundWindow

gdi32

DeleteDC
Escape
GetClipBox
GetStockObject
PtVisible
RectVisible
RestoreDC
SaveDC
SelectObject
SetMapMode
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
OffsetViewportOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
DeleteObject
CreateBitmap
GetDeviceCaps
SetBkColor
SetTextColor

winspool.drv

DocumentPropertiesW
ClosePrinter
OpenPrinterW

advapi32

RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey

shell32

ShellExecuteW

shlwapi

PathFindFileNameW
PathIsUNCW
PathStripToRootW
PathFindExtensionW

ole32

CoTaskMemFree
CoCreateGuid
CoCreateInstance
CoInitialize
CoUninitialize

oleaut32

SysAllocString
VariantInit
VariantClear
VariantChangeType
SysFreeString

setupapi

SetupDiGetDeviceRegistryPropertyW
SetupDiGetClassDevsW
SetupDiEnumDeviceInfo
SetupDiDestroyDeviceInfoList
SetupDiEnumDeviceInterfaces
SetupDiGetDevicePropertyW
SetupDiGetDeviceInterfaceDetailW

oleacc

CreateStdAccessibleObject
LresultFromObject

Sections

.text
Size: 380KB - Virtual size: 379KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 172KB - Virtual size: 172KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8.0MB - Virtual size: 10.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.giats
Size: 512B - Virtual size: 4B

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

.gehcont
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f3fdbbf614b82c891d38deaaa4dd966a

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

winspool.drv

advapi32

shell32

shlwapi

ole32

oleaut32

setupapi

oleacc

Sections

.text Size: 380KB - Virtual size: 379KB

.rdata Size: 172KB - Virtual size: 172KB

.data Size: 8.0MB - Virtual size: 10.0MB

.pdata Size: 21KB - Virtual size: 21KB

.gfids Size: 3KB - Virtual size: 3KB

.giats Size: 512B - Virtual size: 4B

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

.gehcont Size: 512B - Virtual size: 32B

.rsrc Size: 23KB - Virtual size: 23KB

.reloc Size: 6KB - Virtual size: 6KB

.text
Size: 380KB - Virtual size: 379KB

.rdata
Size: 172KB - Virtual size: 172KB

.data
Size: 8.0MB - Virtual size: 10.0MB

.pdata
Size: 21KB - Virtual size: 21KB

.gfids
Size: 3KB - Virtual size: 3KB

.giats
Size: 512B - Virtual size: 4B

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

.gehcont
Size: 512B - Virtual size: 32B

.rsrc
Size: 23KB - Virtual size: 23KB

.reloc
Size: 6KB - Virtual size: 6KB