2024-05-10_66c2834d9af00ecd474559b1e4d31bc0_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-05-10_66c2834d9af00ecd474559b1e4d31bc0_ryuk
Size

112KB
MD5

66c2834d9af00ecd474559b1e4d31bc0
SHA1

f1d14f3020f30955be4f0abbcb533ea66ccfbf64
SHA256

41ea86fc3b5b36a9abd3fd0b51c0453fe0b8a8c9007d8e1d072f1bfa677ac762
SHA512

12eced43df690110eea377144cbeb9f031043719118cc92549d789a5c1f7c7b9e467fa71a3350b3c545fa911824e5d241ed144fa62070ac1d4c968054057ac09
SSDEEP

1536:LMFpGpH5EwWAe+2bzKfNbQy+EmSetdCtmR0LcwuCnsWxd59dlPwxT6JSz:vN6wWlPqftQyGxtdi00LxuQxQT6

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-10_66c2834d9af00ecd474559b1e4d31bc0_ryuk

Files

2024-05-10_66c2834d9af00ecd474559b1e4d31bc0_ryuk
.exe windows:6 windows x64 arch:x64

29040dbcfe1440db72b61e9a503ff9d8

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

ws2_32

WSACleanup
closesocket
inet_pton
WSAStartup
socket
connect
recv
htons

kernel32

GetModuleHandleExW
WriteConsoleW
CloseHandle
CreateFileW
SetFilePointerEx
GetConsoleMode
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlPcToFileHeader
EncodePointer
RaiseException
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
HeapFree
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetFileType
GetStringTypeW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleOutputCP

Sections

.text
Size: 60KB - Virtual size: 59KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 196B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

29040dbcfe1440db72b61e9a503ff9d8

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

kernel32

Sections

.text Size: 60KB - Virtual size: 59KB

.rdata Size: 36KB - Virtual size: 36KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 4KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 196B

.gxfg Size: 4KB - Virtual size: 4KB

.gehcont Size: 512B - Virtual size: 12B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 60KB - Virtual size: 59KB

.rdata
Size: 36KB - Virtual size: 36KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 4KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 196B

.gxfg
Size: 4KB - Virtual size: 4KB

.gehcont
Size: 512B - Virtual size: 12B

.reloc
Size: 2KB - Virtual size: 1KB