2024-02-22_8b58d5ffee98d99d1b023e26451e809c_ryuk

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General

Target

2024-02-22_8b58d5ffee98d99d1b023e26451e809c_ryuk
Size

1.4MB
MD5

8b58d5ffee98d99d1b023e26451e809c
SHA1

d72e622453288f297d69d4da84d87d34ae778208
SHA256

5e02701af525d2233acd89ca68ed12aaa7aa5fa57bbc710f3b1b7106ad76df6d
SHA512

f25258849485e8c75f7151cc580e7652929eb34c40fdbf227244b8b853a581e6675faa9f76a431431f5c0b15d8802a66945a4b80fe0d4f068316d4c9c9e79b55
SSDEEP

12288:SXacl3jEXc3ajG+hjQKymY8efKCpD7Gj9G6G1qT8nQkCu83L3Wl/np9DBDt3kbE:UaclIsqjnhMgeiCl7G0nehbGZpbD

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-22_8b58d5ffee98d99d1b023e26451e809c_ryuk

Files

2024-02-22_8b58d5ffee98d99d1b023e26451e809c_ryuk
.exe windows:6 windows x64 arch:x64

9ed937701e26c6512a2f38dd374ee754

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

CreateFileA
CreateFileW
GetDriveTypeA
GetFileAttributesW
QueryDosDeviceW
GetVolumeNameForVolumeMountPointW
CloseHandle
SetErrorMode
GetOverlappedResult
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
WaitForSingleObject
CreateEventA
CreateThread
SetThreadPriority
GetModuleHandleW
GetProcAddress
WaitForMultipleObjects
GetVolumeInformationA
ReadDirectoryChangesW
MultiByteToWideChar
WideCharToMultiByte
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwindEx
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameA
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetStdHandle
GetStringTypeW
GetProcessHeap
SetFilePointerEx
WriteConsoleW
HeapSize
HeapReAlloc
ReadFile
ReadConsoleW
RaiseException

Sections

.text
Size: 73KB - Virtual size: 73KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 39KB - Virtual size: 38KB

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: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

9ed937701e26c6512a2f38dd374ee754

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 73KB - Virtual size: 73KB

.rdata Size: 39KB - Virtual size: 38KB

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

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

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

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

.reloc Size: 1.3MB - Virtual size: 1.3MB

.text
Size: 73KB - Virtual size: 73KB

.rdata
Size: 39KB - Virtual size: 38KB

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

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

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

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

.reloc
Size: 1.3MB - Virtual size: 1.3MB