2024-06-17_95ee9f0dadd2a2a1f45756ef7f00eb49_ryuk

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General

Target

2024-06-17_95ee9f0dadd2a2a1f45756ef7f00eb49_ryuk
Size

1.7MB
MD5

95ee9f0dadd2a2a1f45756ef7f00eb49
SHA1

483cfa9f5536f70894ef4fb8a713a2c5b7623d58
SHA256

8b0747ca431e0e4ed570fc64a496aac5deb8bf81037bc825dcc12ef90210f7b2
SHA512

0a0c0b37f9284a84baef2db1d3df2f4a5855a64e105abb6e153ff0b5091c12369566e441e7440dd669fd6f4b427aa86f0efeecf5e658ac8bc283df89c3fbb30c
SSDEEP

24576:gDO50mXCemmYmmmfl/g8YBtk4onvCLcfEHPE:gi50mXCemmYmmmfl/dYBtk4onvyFH8

Score

10^/10

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-17_95ee9f0dadd2a2a1f45756ef7f00eb49_ryuk

Files

2024-06-17_95ee9f0dadd2a2a1f45756ef7f00eb49_ryuk
.exe windows:6 windows x64 arch:x64

a02dbc4632269adfd0e7fe2ea2a1bd80

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

AcquireSRWLockExclusive
AddVectoredExceptionHandler
AreFileApisANSI
CloseHandle
CompareStringW
CreateEventW
CreateFileA
CreateFileW
CreateThread
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileAttributesExW
GetFileInformationByHandleEx
GetFileSize
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoEx
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTempPathW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadLibraryW
LoadResource
LocalFree
LockResource
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualProtect
WaitForSingleObject
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

user32

GetCursorPos
MessageBoxA

advapi32

ConvertStringSecurityDescriptorToSecurityDescriptorW
SetKernelObjectSecurity

wininet

InternetOpenUrlA
InternetOpenW
InternetReadFile

Sections

.text
Size: 311KB - Virtual size: 311KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 69KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 28KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 12KB - Virtual size: 11KB

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

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a02dbc4632269adfd0e7fe2ea2a1bd80

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

wininet

Sections

.text Size: 311KB - Virtual size: 311KB

.rdata Size: 69KB - Virtual size: 69KB

.data Size: 28KB - Virtual size: 33KB

.pdata Size: 12KB - Virtual size: 11KB

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

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

.retplne Size: 512B - Virtual size: 140B

.tls Size: 512B - Virtual size: 9B

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 1.2MB - Virtual size: 1.2MB

.reloc Size: 8KB - Virtual size: 7KB

.text
Size: 311KB - Virtual size: 311KB

.rdata
Size: 69KB - Virtual size: 69KB

.data
Size: 28KB - Virtual size: 33KB

.pdata
Size: 12KB - Virtual size: 11KB

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

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

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 9B

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 1.2MB - Virtual size: 1.2MB

.reloc
Size: 8KB - Virtual size: 7KB