2024-03-14_488860eccdd3da4e3f2ca619e6d7e6c9_ryuk

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General

Target

2024-03-14_488860eccdd3da4e3f2ca619e6d7e6c9_ryuk
Size

13.8MB
MD5

488860eccdd3da4e3f2ca619e6d7e6c9
SHA1

d87e873589f774dba8846a97f629f2920a6ee0aa
SHA256

af3deb97a5e38012c924508a22871b6cd463d036be4565d34ef43773a014b17c
SHA512

8286f62458804d4313239f80bc5a69350bbcf657c241ea9a8d9e38e1bb006d6e7016c82ceb4b50f16e54590ccb09c391a41a0a6730b9672431eade61c18b370a
SSDEEP

196608:321tgLSlMeNMQ4imK//yLOGykrzMvfHlv0lPSdn8QsQ+hpmc7lY22cE:IqSpNMc/yLOw

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-14_488860eccdd3da4e3f2ca619e6d7e6c9_ryuk

Files

2024-03-14_488860eccdd3da4e3f2ca619e6d7e6c9_ryuk
.exe windows:6 windows x64 arch:x64

c9adf37bc219f78447e4e8a91c98a3c7

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

GetProcessHeap
CreateFileA
CloseHandle
GetLastError
ConvertThreadToFiber
SwitchToFiber
CreateActCtxA
ActivateActCtx
GetSystemDirectoryA
SetEndOfFile
GetCurrentThread
ExitProcess
VirtualAlloc
DuplicateHandle
CreateMutexA
ReleaseMutex
GetSystemTime
HeapLock
HeapUnlock
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
HeapAlloc
HeapFree
GetModuleHandleW
GetProcAddress
SetLastError
InitializeCriticalSectionAndSpinCount
TlsGetValue
TlsSetValue
FreeLibrary
LoadLibraryExW
LCMapStringW
MultiByteToWideChar
WideCharToMultiByte
GetACP
GetStringTypeW
FlushFileBuffers
WriteFile
GetConsoleCP
GetConsoleMode
SetStdHandle
GetCPInfo
IsValidCodePage
GetOEMCP
RaiseException
GetModuleHandleExW
SetFilePointerEx
WriteConsoleW
ReadFile
ReadConsoleW
CreateFileW
RtlUnwindEx

Sections

.text
Size: 81KB - Virtual size: 80KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5.9MB - Virtual size: 5.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7.8MB - Virtual size: 7.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c9adf37bc219f78447e4e8a91c98a3c7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 81KB - Virtual size: 80KB

.rdata Size: 5.9MB - Virtual size: 5.9MB

.data Size: 7.8MB - Virtual size: 7.8MB

.pdata Size: 3KB - Virtual size: 2KB

.gfids Size: 512B - Virtual size: 32B

.rsrc Size: 4KB - Virtual size: 3KB

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

.text
Size: 81KB - Virtual size: 80KB

.rdata
Size: 5.9MB - Virtual size: 5.9MB

.data
Size: 7.8MB - Virtual size: 7.8MB

.pdata
Size: 3KB - Virtual size: 2KB

.gfids
Size: 512B - Virtual size: 32B

.rsrc
Size: 4KB - Virtual size: 3KB

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