2024-03-27_2d4a77ca3cce8370e1e6fbb10f023140_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-03-27_2d4a77ca3cce8370e1e6fbb10f023140_ryuk
Size

4.9MB
MD5

2d4a77ca3cce8370e1e6fbb10f023140
SHA1

2653ed322bc980027e076fa5e8a8afe3ba48a340
SHA256

0d082fa39ef4c3146ebb08a2aad25e7a2c8d20ce91e1234591ebf67dcce63be0
SHA512

5ceb3fdc1427313f4b223f62a304b4ffa0fcaffaffaa0f1f3008b27d92837c40f5ed96d58a1eaba2c8a69359b927794e9680bc97e17cdf3c2533fff3da44f6d7
SSDEEP

49152:hBnKpUOlzyKhNke91pxTOg3UlUW6OC52XqRbqUR79j1gOohur9p/h4rKX8EIawpB:TnSvNkelxTOg3SY6q1qURHCmsqZH25c

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-27_2d4a77ca3cce8370e1e6fbb10f023140_ryuk

Files

2024-03-27_2d4a77ca3cce8370e1e6fbb10f023140_ryuk
.exe windows:6 windows x64 arch:x64

2a37d3828eb7ba7a8684d9f6d6404c72

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

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringEx
CompareStringW
CreateEventW
CreateFileW
CreateThread
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetFileSize
GetFileType
GetLastError
GetLocaleInfoEx
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemFirmwareTable
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalFree
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

user32

CloseClipboard
CreateWindowExW
DefWindowProcW
DispatchMessageW
EmptyClipboard
GetCaretBlinkTime
GetClientRect
GetClipboardData
GetDesktopWindow
GetKeyState
GetMessageW
GetSystemMetrics
GetWindowInfo
GetWindowLongPtrW
GetWindowRect
IsZoomed
LoadCursorW
LoadIconW
MessageBoxW
OpenClipboard
PostMessageA
PostQuitMessage
RegisterClassW
ScreenToClient
SetClassLongPtrW
SetClipboardData
SetWindowLongPtrW
SetWindowPos
ShowWindow
TranslateMessage

advapi32

RegCloseKey
RegOpenKeyW
RegSetValueExW

ole32

CoTaskMemFree

shell32

CommandLineToArgvW

gdi32

CreateSolidBrush

ntdll

RtlNtStatusToDosError

ws2_32

ioctlsocket

dwrite

DWriteCreateFactory

d2d1

ord1
ord2

Sections

.NeHz
Size: 725KB - Virtual size: 724KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

ysxHjP
Size: 129KB - Virtual size: 129KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

oLgEta
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.kJWaax0
Size: 512B - Virtual size: 316B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

NfHEpAx1
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bGgube
Size: 512B - Virtual size: 212B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 4.1MB - Virtual size: 4.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.RXpJc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.qkLuMU
Size: 512B - Virtual size: 504B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

2a37d3828eb7ba7a8684d9f6d6404c72

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

ole32

shell32

gdi32

ntdll

ws2_32

dwrite

d2d1

Sections

.NeHz Size: 725KB - Virtual size: 724KB

ysxHjP Size: 129KB - Virtual size: 129KB

oLgEta Size: 19KB - Virtual size: 18KB

.kJWaax0 Size: 512B - Virtual size: 316B

NfHEpAx1 Size: 1KB - Virtual size: 1KB

.bGgube Size: 512B - Virtual size: 212B

.text Size: 4.1MB - Virtual size: 4.1MB

.RXpJc Size: 5KB - Virtual size: 5KB

.qkLuMU Size: 512B - Virtual size: 504B

.NeHz
Size: 725KB - Virtual size: 724KB

ysxHjP
Size: 129KB - Virtual size: 129KB

oLgEta
Size: 19KB - Virtual size: 18KB

.kJWaax0
Size: 512B - Virtual size: 316B

NfHEpAx1
Size: 1KB - Virtual size: 1KB

.bGgube
Size: 512B - Virtual size: 212B

.text
Size: 4.1MB - Virtual size: 4.1MB

.RXpJc
Size: 5KB - Virtual size: 5KB

.qkLuMU
Size: 512B - Virtual size: 504B