2024-04-21_738bcbe7f014d88d2995e5d886fc47c6_ryuk

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General

Target

2024-04-21_738bcbe7f014d88d2995e5d886fc47c6_ryuk
Size

4.8MB
MD5

738bcbe7f014d88d2995e5d886fc47c6
SHA1

6be24bf1c8b06980f1b2e44ce4ed50d90080d26d
SHA256

0f6941d90f8791b3ec6f8cd72c3b74cd00b3823e2103785cac09676b840aef14
SHA512

c106d731f47ddea32965cf901a0ca25321107e4ebb59acbe937a04e2050bc2362ea82ca197734e4799adedce530d5f94b0fa768c39daff50334f303edd5f69d9
SSDEEP

98304:LHQJMG+27U8z9bNFzGcGeigaNVMJxcUN2F6/5nWvDpPt7QMctIrJDGR9:LyMd0UMpIFNGxcUN2QnKz7BvFGL

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-21_738bcbe7f014d88d2995e5d886fc47c6_ryuk

Files

2024-04-21_738bcbe7f014d88d2995e5d886fc47c6_ryuk
.exe windows:6 windows x64 arch:x64

154977cd00315e1cd7a5ff0dceb81b2c

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

shell32

SHFileOperationW
SHGetFolderPathW

kernel32

CloseHandle
CompareStringW
CreateDirectoryW
CreateFileW
CreateProcessW
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FindResourceA
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesW
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTempPathW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadResource
LockResource
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SizeofResource
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 168KB - Virtual size: 167KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 55KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 83KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 9.0MB - Virtual size: 9.0MB

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

154977cd00315e1cd7a5ff0dceb81b2c

Headers

DLL Characteristics

File Characteristics

Imports

shell32

kernel32

Sections

.text Size: 168KB - Virtual size: 167KB

.rdata Size: 55KB - Virtual size: 55KB

.data Size: 3KB - Virtual size: 83KB

.pdata Size: 5KB - Virtual size: 5KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 6KB - Virtual size: 5KB

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 9.0MB - Virtual size: 9.0MB

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

.text
Size: 168KB - Virtual size: 167KB

.rdata
Size: 55KB - Virtual size: 55KB

.data
Size: 3KB - Virtual size: 83KB

.pdata
Size: 5KB - Virtual size: 5KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 6KB - Virtual size: 5KB

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 9.0MB - Virtual size: 9.0MB

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