2024-04-18_2a2b4b7429ccdaa50da1ae88377d8160_ryuk

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General

Target

2024-04-18_2a2b4b7429ccdaa50da1ae88377d8160_ryuk
Size

218KB
MD5

2a2b4b7429ccdaa50da1ae88377d8160
SHA1

68c806e802a9c41bd9d377848551634c6d3089e8
SHA256

9c8bbebbae46349d24872737fd4441cc29c91186c30a6c231396854b380830e6
SHA512

27294a283cee7db85081dcdab8f744d35b938d5bdc5058c656ca0682c8ca755347215abec1609c1ae0fd293a6aead8ac3db52b38f6c57507065f9e7f2a982761
SSDEEP

3072:1IKMrl36EMTsD8VDJNsieEZuOeMu6sHyNLfEfAoLnDL67cu/v5q5UIMmrn:q3h36EMTsDKNsiDFeMu1S9fMg305UId

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-18_2a2b4b7429ccdaa50da1ae88377d8160_ryuk

Files

2024-04-18_2a2b4b7429ccdaa50da1ae88377d8160_ryuk
.exe windows:6 windows x64 arch:x64

2855e531bbc77b5d8697bbd9ba0cae50

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

SetEvent
WaitForSingleObjectEx
CloseHandle
LoadLibraryW
QueueUserAPC
GetProcAddress
UnregisterWaitEx
GetModuleHandleW
FreeLibrary
MapViewOfFile
VirtualQuery
OpenThread
IsDebuggerPresent
UnmapViewOfFile
GetCurrentThreadId
WriteConsoleW
FlushFileBuffers
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
FindNextFileW
FindFirstFileExW
FindClose
SetEnvironmentVariableW
WaitForSingleObject
CreateFileW
MultiByteToWideChar
WideCharToMultiByte
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
InitializeSListHead
GetCurrentProcess
TerminateProcess
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetLastError
GetModuleFileNameW
LoadLibraryExW
HeapAlloc
HeapReAlloc
HeapFree
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetProcessHeap
GetFileType
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
RegisterWaitForSingleObject

user32

DeferWindowPos
PostMessageW
GetWindowRect
SetWindowLongPtrW
ScreenToClient
SendMessageW
EndDialog
SetWindowTextW
BeginDeferWindowPos
SetDlgItemTextW
SendDlgItemMessageW
EndDeferWindowPos
GetDlgItem
DialogBoxParamW
SetForegroundWindow
LoadImageW
EnableWindow

comctl32

InitCommonControlsEx

advapi32

SystemFunction036

Sections

.text
Size: 134KB - Virtual size: 133KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 63KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 516B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2855e531bbc77b5d8697bbd9ba0cae50

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

comctl32

advapi32

Sections

.text Size: 134KB - Virtual size: 133KB

.rdata Size: 63KB - Virtual size: 62KB

.data Size: 4KB - Virtual size: 9KB

.pdata Size: 8KB - Virtual size: 8KB

.gfids Size: 1024B - Virtual size: 516B

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

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

.text
Size: 134KB - Virtual size: 133KB

.rdata
Size: 63KB - Virtual size: 62KB

.data
Size: 4KB - Virtual size: 9KB

.pdata
Size: 8KB - Virtual size: 8KB

.gfids
Size: 1024B - Virtual size: 516B

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

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