2024-03-26_07c1e45b6bb88ce0da4341286c42b3e8_ryuk

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General

Target

2024-03-26_07c1e45b6bb88ce0da4341286c42b3e8_ryuk
Size

4.9MB
MD5

07c1e45b6bb88ce0da4341286c42b3e8
SHA1

c8d12fbfd0fb31e3823c25d96eb2950a143298bf
SHA256

5600d75f4fda6c9bb0c2d1eadf94fd7d9bc6283d5692c7d502ed2ee512d07419
SHA512

d56214dfbe3b22b0da3658b5f3a0b4a5e11ee0b65194e11e3570417d0fbf5db470ce75945370e8c6ddaab8d6a7f88667743d80125fd0dad05cbd069319a75b9d
SSDEEP

49152:+VC7Fr/otGcEOLF4CNBSee7OtnUWWEb4VF0S+vmuhXFWrg+RWU44p/ntLz4X9+VZ:+VC9/qPBNSolgFZ++nnLzn19sLPcr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-26_07c1e45b6bb88ce0da4341286c42b3e8_ryuk

Files

2024-03-26_07c1e45b6bb88ce0da4341286c42b3e8_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

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.Bonu
Size: 129KB - Virtual size: 129KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.RwsUa
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.MWrkrL0
Size: 512B - Virtual size: 288B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.FFmDYx1
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

jiALCP
Size: 512B - Virtual size: 388B

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.WkFgo
Size: 512B - Virtual size: 428B

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

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

.Bonu Size: 129KB - Virtual size: 129KB

.RwsUa Size: 19KB - Virtual size: 18KB

.MWrkrL0 Size: 512B - Virtual size: 288B

.FFmDYx1 Size: 1KB - Virtual size: 1KB

jiALCP Size: 512B - Virtual size: 388B

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

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

.WkFgo Size: 512B - Virtual size: 428B

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

.Bonu
Size: 129KB - Virtual size: 129KB

.RwsUa
Size: 19KB - Virtual size: 18KB

.MWrkrL0
Size: 512B - Virtual size: 288B

.FFmDYx1
Size: 1KB - Virtual size: 1KB

jiALCP
Size: 512B - Virtual size: 388B

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

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

.WkFgo
Size: 512B - Virtual size: 428B