2024-01-25_5aa4c97e478e596dab92a2a952fbd3f1_ryuk

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General

Target

2024-01-25_5aa4c97e478e596dab92a2a952fbd3f1_ryuk
Size

1.1MB
MD5

5aa4c97e478e596dab92a2a952fbd3f1
SHA1

cbdd169c4a53b3b21befd925ad1428992ab8525c
SHA256

40723c15c4bbe9ee0c1376ae0396c4e221d9ff3526850a1df8836823561dbf06
SHA512

7eb0e779e9842a6dff280eb4861c71ea05236f4f0b2221795e648939092ca4e0a4e612842edbf57e191c4b19fef82bbf6e9d7790e9701283f50c042ef6081c13
SSDEEP

24576:iSi1SoCU5qJSr1eWPSCsP0MugC6eT28NDFKYmKOF0zr31JwAlcR3QC0OXxc0Hs:6S7PLjeT2gDUYmvFur31yAipQCtXxc0H

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-25_5aa4c97e478e596dab92a2a952fbd3f1_ryuk

Files

2024-01-25_5aa4c97e478e596dab92a2a952fbd3f1_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