2024-05-31_0c3f84a81bfdfd0b6a524c47ea05f89c_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-05-31_0c3f84a81bfdfd0b6a524c47ea05f89c_ryuk
Size

2.6MB
MD5

0c3f84a81bfdfd0b6a524c47ea05f89c
SHA1

d6a4fa08b425ac8151e2f61923a7d2bbd3514052
SHA256

d1dcb49595ef8575a065fa50d1b36ac9a0f91dfb9a6eddcdc2a76cd71267ee55
SHA512

97ccb1d440b5060a1874eb9dd5765fc1146cc740288f78817d3681e281cb47b2da08c70f2cb83118e3c68d1a98d73e1e12c0efbed81b3505dacc773b82968ad0
SSDEEP

49152:7iLR/avfZ4phrc22Fg3sUjYgehxrxyBQ87qk82JvXzZkPYoNPH6GTK:l2V8xA6Qod6G

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-31_0c3f84a81bfdfd0b6a524c47ea05f89c_ryuk

Files

2024-05-31_0c3f84a81bfdfd0b6a524c47ea05f89c_ryuk
.exe windows:6 windows x64 arch:x64

8d6c63c1a921c83d8b8e82743bcaadb5

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

ws2_32

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

wldap32

ord60
ord217
ord46
ord211
ord301
ord200
ord30
ord79
ord35
ord33
ord32
ord27
ord26
ord22
ord41
ord50
ord45
ord143

crypt32

CertEnumCertificatesInStore
CertCloseStore
CertOpenSystemStoreA
CertGetIntendedKeyUsage
CertGetEnhancedKeyUsage
CertFreeCertificateContext

normaliz

IdnToAscii

bcrypt

BCryptGenRandom

kernel32

GetProcessHeap
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
IsValidCodePage
FindNextFileW
FindNextFileA
FindFirstFileExA
FindClose
GetTimeZoneInformation
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapReAlloc
GetFullPathNameW
GetCurrentDirectoryW
GetFileAttributesExW
GetStringTypeW
HeapAlloc
HeapFree
ReadConsoleInputA
GetConsoleCP
ReadConsoleW
CreateDirectoryW
DeleteFileW
HeapSize
RaiseException
GetSystemTime
SystemTimeToFileTime
GetACP
GetCommandLineW
GetCommandLineA
WriteFile
MultiByteToWideChar
WideCharToMultiByte
VerSetConditionMask
SwitchToFiber
GetProcAddress
VerifyVersionInfoW
GetStdHandle
GetConsoleScreenBufferInfo
SetEndOfFile
WriteConsoleW
SearchPathA
CloseHandle
GetLastError
QueryPerformanceFrequency
GetConsoleMode
SetConsoleCtrlHandler
SetConsoleMode
CreateToolhelp32Snapshot
Module32First
Module32Next
CreateFileA
GetFileTime
SetFileTime
GetModuleFileNameA
Sleep
QueryPerformanceCounter
GetTickCount
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
GetEnvironmentVariableA
SetLastError
FormatMessageW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
GetSystemDirectoryA
FreeLibrary
LoadLibraryA
MoveFileExA
WaitForSingleObjectEx
CompareFileTime
GetSystemTimeAsFileTime
GetCurrentProcessId
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
SleepEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
GetCurrentThreadId
InitializeSListHead
ExitProcess
DeleteFiber
CreateFiber
FindFirstFileW
ConvertFiberToThread
ConvertThreadToFiber
LoadLibraryW
GetModuleHandleA
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
SetStdHandle
SetFilePointerEx
CreateThread

advapi32

DeregisterEventSource
CryptGenRandom
CryptReleaseContext
CryptAcquireContextW
ReportEventW
RegisterEventSourceW

user32

GetProcessWindowStation
GetUserObjectInformationW
MessageBoxW

iphlpapi

GetAdaptersAddresses

Sections

.text
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 738KB - Virtual size: 737KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 25KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 100KB - Virtual size: 100KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 220B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 29KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8d6c63c1a921c83d8b8e82743bcaadb5

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

wldap32

crypt32

normaliz

bcrypt

kernel32

advapi32

user32

iphlpapi

Sections

.text Size: 1.7MB - Virtual size: 1.7MB

.rdata Size: 738KB - Virtual size: 737KB

.data Size: 25KB - Virtual size: 45KB

.pdata Size: 100KB - Virtual size: 100KB

.gfids Size: 512B - Virtual size: 220B

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

.reloc Size: 29KB - Virtual size: 29KB

.text
Size: 1.7MB - Virtual size: 1.7MB

.rdata
Size: 738KB - Virtual size: 737KB

.data
Size: 25KB - Virtual size: 45KB

.pdata
Size: 100KB - Virtual size: 100KB

.gfids
Size: 512B - Virtual size: 220B

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

.reloc
Size: 29KB - Virtual size: 29KB