2024-10-18_35bfb32d2306c4ef479fb5d32fc15ce6_ryuk

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General

Target

2024-10-18_35bfb32d2306c4ef479fb5d32fc15ce6_ryuk
Size

1.3MB
MD5

35bfb32d2306c4ef479fb5d32fc15ce6
SHA1

227f9bc547f7ae135ce6a3c7a1369f3f2b03bd25
SHA256

b56658c16dd148510521cf44ac6ae4576b50bb056e3b38548b4878641f6fbf63
SHA512

cbb1c5f2544fc7ab3ec0220c83f9a830652def91e475f6eabfaf9045566d0d52dcb15bea2ed3923e60837ca52bd44d599102fc1bffeb369f5da32e3f9c0b39a8
SSDEEP

24576:3MVGSGSc/TwEb1/noW87Y7L6BPQh797VbvkmcNAxy57lu:3qGSCww1y7Y7L6BPQh797tncNAI5

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-10-18_35bfb32d2306c4ef479fb5d32fc15ce6_ryuk

Files

2024-10-18_35bfb32d2306c4ef479fb5d32fc15ce6_ryuk
.exe windows:6 windows x64 arch:x64

32ab8900b7bd39bb76699c3785535c5e

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
CloseHandle
CompareStringW
CreateEventA
CreateFileW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FlushInstructionCache
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableA
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemTimeAsFileTime
GetThreadContext
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadLibraryW
MoveFileExW
MultiByteToWideChar
OpenProcess
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
ReleaseSRWLockExclusive
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadContext
SetUnhandledExceptionFilter
Sleep
SleepEx
SuspendThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

user32

MessageBoxA
MessageBoxW

bcrypt

BCryptGenRandom

ws2_32

WSACleanup
WSACloseEvent
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSAGetLastError
WSAIoctl
WSAResetEvent
WSASetLastError
WSAStartup
WSAWaitForMultipleEvents
__WSAFDIsSet
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
gethostname
getpeername
getsockname
getsockopt
htonl
htons
inet_ntop
inet_pton
ioctlsocket
listen
ntohs
recv
recvfrom
select
send
sendto
setsockopt
socket

advapi32

CryptAcquireContextW
CryptCreateHash
CryptDestroyHash
CryptDestroyKey
CryptEncrypt
CryptGetHashParam
CryptHashData
CryptImportKey
CryptReleaseContext

crypt32

CertAddCertificateContextToStore
CertCloseStore
CertCreateCertificateChainEngine
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFindExtension
CertFreeCertificateChain
CertFreeCertificateChainEngine
CertFreeCertificateContext
CertGetCertificateChain
CertGetNameStringW
CertOpenStore
CryptDecodeObjectEx
CryptQueryObject
CryptStringToBinaryW
PFXImportCertStore

Sections

.text
Size: 748KB - Virtual size: 748KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 190KB - Virtual size: 190KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 247KB - Virtual size: 255KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 38KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.detourd
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gxfg
Size: 11KB - Virtual size: 10KB

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: 67KB - Virtual size: 66KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

32ab8900b7bd39bb76699c3785535c5e

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

bcrypt

ws2_32

advapi32

crypt32

Sections

.text Size: 748KB - Virtual size: 748KB

.rdata Size: 190KB - Virtual size: 190KB

.data Size: 247KB - Virtual size: 255KB

.pdata Size: 38KB - Virtual size: 37KB

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

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

.detourd Size: 512B - Virtual size: 24B

.gxfg Size: 11KB - Virtual size: 10KB

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 67KB - Virtual size: 66KB

.reloc Size: 9KB - Virtual size: 9KB

.text
Size: 748KB - Virtual size: 748KB

.rdata
Size: 190KB - Virtual size: 190KB

.data
Size: 247KB - Virtual size: 255KB

.pdata
Size: 38KB - Virtual size: 37KB

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

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

.detourd
Size: 512B - Virtual size: 24B

.gxfg
Size: 11KB - Virtual size: 10KB

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 67KB - Virtual size: 66KB

.reloc
Size: 9KB - Virtual size: 9KB