2024-03-11_4ba027bcf399a3ceb13058ad8bb03773_ryuk

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General

Target

2024-03-11_4ba027bcf399a3ceb13058ad8bb03773_ryuk
Size

138KB
MD5

4ba027bcf399a3ceb13058ad8bb03773
SHA1

252fbf206f052508153ffd71d02dfcd19cc0c343
SHA256

c273d5f519e671d15d664c1e074ba8fe765e5085de422db049e659cfc764783c
SHA512

2b7c8c882ee12a2aeaa84c853e302e10e1c0707054cbc08af07f3f0f34452a360b09bc7028d64ad0789b388af0e6e5a0517416f1f6c94c99d20ac13fccf12aef
SSDEEP

3072:vRBHvSUBY4coIEa4HJD9XaZUrReeVJYhfc+gPrnFdkg4uov:vR9pcoIEHHfXaE/v+gPrnFdJjO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-11_4ba027bcf399a3ceb13058ad8bb03773_ryuk

Files

2024-03-11_4ba027bcf399a3ceb13058ad8bb03773_ryuk
.exe windows:6 windows x64 arch:x64

c799cba0de6fcc1a9b2c6d5642084d6f

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

ExpandEnvironmentStringsA
UnmapViewOfFile
CreateToolhelp32Snapshot
Process32NextW
CreateFileA
LockResource
VirtualAlloc
CloseHandle
LoadResource
FindResourceW
CreateFileMappingW
MapViewOfFile
GetCurrentProcess
SizeofResource
Process32FirstW
GetModuleFileNameA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetACP
HeapFree
HeapAlloc
LCMapStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW

advapi32

RegCloseKey
RegSetValueExA
RegCreateKeyA

Sections

.text
Size: 41KB - Virtual size: 41KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 188B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 51KB - Virtual size: 51KB

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

c799cba0de6fcc1a9b2c6d5642084d6f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 41KB - Virtual size: 41KB

.rdata Size: 36KB - Virtual size: 35KB

.data Size: 2KB - Virtual size: 7KB

.pdata Size: 3KB - Virtual size: 3KB

.gfids Size: 512B - Virtual size: 188B

.rsrc Size: 51KB - Virtual size: 51KB

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

.text
Size: 41KB - Virtual size: 41KB

.rdata
Size: 36KB - Virtual size: 35KB

.data
Size: 2KB - Virtual size: 7KB

.pdata
Size: 3KB - Virtual size: 3KB

.gfids
Size: 512B - Virtual size: 188B

.rsrc
Size: 51KB - Virtual size: 51KB

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