2024-01-23_26981e923d10df9db9c474e25aa3d719_ryuk

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General

Target

2024-01-23_26981e923d10df9db9c474e25aa3d719_ryuk
Size

1.1MB
MD5

26981e923d10df9db9c474e25aa3d719
SHA1

cd063b0435ef8ce37b900a0c069b65c2b9646953
SHA256

6daf79cace9925aafde29367c13ac10bb513d6c9500626e4f8918bbed990cbfc
SHA512

3971bf00fdbab862507020e480d576686c48761b5a6b2429be9cdac12fa678cd5f66da3daca43664bf4a61a8badf2211d0948f9e9718be7f3f087bea8a12f344
SSDEEP

24576:rSi1SoCU5qJSr1eWPSCsP0MugC6eT1t/sBlDqgZQd6XKtiMJYiPU:LS7PLjeT3/snji6attJM

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-23_26981e923d10df9db9c474e25aa3d719_ryuk

Files

2024-01-23_26981e923d10df9db9c474e25aa3d719_ryuk
.exe windows:6 windows x64 arch:x64

4d7ee3dbe35baab5e33b9a84e9397818

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

Imports

comctl32

CreatePropertySheetPageA
PropertySheetA

kernel32

SetThreadPriority
SetFilePointer
ResumeThread
GetModuleHandleA
MultiByteToWideChar
GetTempPathA
GetCurrentThread
LoadLibraryA
DeleteFileA
SetStdHandle
GetProcAddress
LocalFree
GetFileSize
RemoveDirectoryA
FreeLibrary
CreateProcessA
FormatMessageA
GetTempFileNameA
GetPrivateProfileIntA
GetPrivateProfileStringA
GetTempPathW
CreateDirectoryA
GetModuleFileNameW
FlushFileBuffers
SetFilePointerEx
SetEndOfFile
GetFileAttributesExW
SetConsoleCtrlHandler
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
IsValidCodePage
FindNextFileW
FindNextFileA
FindFirstFileExW
FindFirstFileExA
FindClose
CreateThread
WaitForSingleObjectEx
OutputDebugStringW
OutputDebugStringA
GetFullPathNameA
GetFullPathNameW
GetCurrentDirectoryW
SetCurrentDirectoryW
LoadLibraryExA
GetStdHandle
GetCurrentProcess
SetPriorityClass
GetModuleFileNameA
ReadFile
MapViewOfFile
WriteConsoleW
DosDateTimeToFileTime
CreateFileMappingA
CloseHandle
CreateFileA
GetFileAttributesA
GetLastError
UnmapViewOfFile
lstrlenA
SetFileTime
SetLastError
HeapSize
GetTimeZoneInformation
RaiseException
GetStringTypeW
GetConsoleCP
HeapReAlloc
SetEnvironmentVariableW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
InterlockedPushEntrySList
InterlockedFlushSList
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
WideCharToMultiByte
GetCommandLineA
GetCommandLineW
CreateFileW
GetDriveTypeW
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
WriteFile
ExitProcess
GetModuleHandleExW
GetACP
GetConsoleMode
ReadConsoleW
HeapFree
HeapAlloc
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
SetEnvironmentVariableA

user32

ReleaseDC
BeginPaint
EndPaint
DispatchMessageA
GetWindowRect
GetFocus
LoadCursorA
GetDC
PostMessageA
GetSystemMetrics
wsprintfA
ShowWindow
MessageBoxA
MoveWindow
RegisterClassA
DefWindowProcA
CreateWindowExA
TranslateMessage
SendDlgItemMessageA
SetDlgItemTextA
SendMessageA
SetCursor
GetDlgItem
PeekMessageA
GetParent
UpdateWindow

gdi32

SelectObject
CreateDIBitmap
SetTextColor
TextOutA
SetBkMode
DeleteObject
CreateSolidBrush
CreateFontA

advapi32

RegDeleteValueA
RegOpenKeyExA
RegCloseKey
RegDeleteKeyA
RegQueryValueExA
RegCreateKeyExA
RegQueryValueA
RegSetValueExA
RegEnumKeyExA

shell32

ShellExecuteA

ole32

CoUninitialize
CoCreateInstance
CoInitialize

Sections

.text
Size: 432KB - Virtual size: 431KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 106KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 372B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 568KB - Virtual size: 572KB

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

4d7ee3dbe35baab5e33b9a84e9397818

Headers

DLL Characteristics

File Characteristics

Imports

comctl32

kernel32

user32

gdi32

advapi32

shell32

ole32

Sections

.text Size: 432KB - Virtual size: 431KB

.rdata Size: 106KB - Virtual size: 105KB

.data Size: 4KB - Virtual size: 18KB

.pdata Size: 23KB - Virtual size: 22KB

.gfids Size: 512B - Virtual size: 372B

.rsrc Size: 5KB - Virtual size: 4KB

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 432KB - Virtual size: 431KB

.rdata
Size: 106KB - Virtual size: 105KB

.data
Size: 4KB - Virtual size: 18KB

.pdata
Size: 23KB - Virtual size: 22KB

.gfids
Size: 512B - Virtual size: 372B

.rsrc
Size: 5KB - Virtual size: 4KB

.reloc
Size: 568KB - Virtual size: 572KB