2024-05-26_ac6da7633bb51e965242d7d599819367_ryuk

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General

Target

2024-05-26_ac6da7633bb51e965242d7d599819367_ryuk
Size

472KB
MD5

ac6da7633bb51e965242d7d599819367
SHA1

54dc377c48caaa96b974c38637a3b9ced7a6b37d
SHA256

8350896bd49b075f68d169357e80a00d02706b0de3babe381c085b9c803ca973
SHA512

3797013d60b279782338dbd82bd07610e2e5cc4bd3653aef8b4fb5a67f8506248bac7a660e996881f007cb286b40555a202f2b820f78a6e81a00f0904f1b3db6
SSDEEP

12288:z1kB9r4b8oYQMf/ekBzzAj5j+qnvL/mW1HHn+Hkob0yGR:5kIb8oFc2kpavmin+HkobtG

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-26_ac6da7633bb51e965242d7d599819367_ryuk

Files

2024-05-26_ac6da7633bb51e965242d7d599819367_ryuk
.exe windows:6 windows x64 arch:x64

a643d333f761737ef0db47998f0a6367

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

CreateThread
LoadLibraryA
ExitThread
GetModuleHandleA
MultiByteToWideChar
VirtualProtect
GetModuleHandleW
VirtualAlloc
GetProcAddress
CloseHandle
GetCurrentProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameA
WideCharToMultiByte
ExitProcess
TerminateProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW
RaiseException

Sections

.text
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 348KB - Virtual size: 352KB

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: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 40KB - Virtual size: 39KB

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

a643d333f761737ef0db47998f0a6367

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 43KB - Virtual size: 42KB

.rdata Size: 34KB - Virtual size: 33KB

.data Size: 348KB - Virtual size: 352KB

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

.gfids Size: 512B - Virtual size: 160B

.rsrc Size: 40KB - Virtual size: 39KB

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

.text
Size: 43KB - Virtual size: 42KB

.rdata
Size: 34KB - Virtual size: 33KB

.data
Size: 348KB - Virtual size: 352KB

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

.gfids
Size: 512B - Virtual size: 160B

.rsrc
Size: 40KB - Virtual size: 39KB

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