2024-02-21_46c779580e26cbbb1abcf6e0ae3fc582_ryuk

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General

Target

2024-02-21_46c779580e26cbbb1abcf6e0ae3fc582_ryuk
Size

6.0MB
MD5

46c779580e26cbbb1abcf6e0ae3fc582
SHA1

9d2c02471ebed2502ca5b375feceb2474789a773
SHA256

1f1fb05459077591166e80c1875e0e26f291e32ca7f030afe08aac23e06ff302
SHA512

a219a465c28f7cdb98806dca85a1e122ec83c3fedda3bd346cadb18db47614fceec73fb9dbc78fade59a9fb33385ba292a50faa5575a3b40d06b9c00a1ae579e
SSDEEP

98304:4ar6RABQXvF/2wCQo8XhuOrRz/563H7BdQIdVRzTeiIVFQ+GD5aFzbzkl7Qk/:4q6RABQl2whIOrRz/5637BdReiILQ+Gf

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-21_46c779580e26cbbb1abcf6e0ae3fc582_ryuk

Files

2024-02-21_46c779580e26cbbb1abcf6e0ae3fc582_ryuk
.exe windows:5 windows x64 arch:x64

9d8fc873f7d42026e2d68b041b77aa19

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

naive.exe.pdb

Imports

advapi32

RegCloseKey
RegCreateKeyExW
RegNotifyChangeKeyValue
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
SystemFunction036

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

ws2_32

WSACloseEvent
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSAGetLastError
WSAGetOverlappedResult
WSAIoctl
WSARecvFrom
WSAResetEvent
WSASend
WSASendTo
WSASocketW
WSAStartup
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
gethostname
getpeername
getsockname
getsockopt
htonl
htons
inet_ntop
ioctlsocket
listen
ntohs
recv
recvfrom
sendto
setsockopt
shutdown
socket

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
CallbackMayRunLong
CloseHandle
CloseThreadpool
CloseThreadpoolWork
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateThread
CreateThreadpool
CreateThreadpoolWork
DeleteCriticalSection
DeleteFileW
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDiskFreeSpaceExW
GetEnvironmentStringsW
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessTimes
GetProductInfo
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadId
GetThreadPriority
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GlobalFree
GlobalMemoryStatusEx
HeapSetInformation
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSectionAndSpinCount
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
MapViewOfFile
MoveFileExW
MoveFileW
MultiByteToWideChar
OutputDebugStringA
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RemoveDirectoryW
ReplaceFileW
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFileInformationByHandle
SetFilePointer
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadPriority
SetThreadpoolThreadMaximum
SetThreadpoolThreadMinimum
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SubmitThreadpoolWork
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UnmapViewOfFile
UnregisterWaitEx
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WaitForThreadpoolWorkCallbacks
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

shell32

CommandLineToArgvW

winhttp

WinHttpCloseHandle
WinHttpGetIEProxyConfigForCurrentUser
WinHttpGetProxyForUrl
WinHttpOpen
WinHttpSetTimeouts

shlwapi

PathMatchSpecW

winmm

timeBeginPeriod
timeEndPeriod
timeGetTime

crypt32

CertAddEncodedCertificateToStore
CertAddStoreToCollection
CertCloseStore
CertCompareCertificateName
CertControlStore
CertCreateCTLContext
CertCreateCertificateChainEngine
CertDuplicateCertificateContext
CertFindCertificateInStore
CertFindExtension
CertFreeCTLContext
CertFreeCertificateChain
CertFreeCertificateChainEngine
CertFreeCertificateContext
CertGetCertificateChain
CertGetCertificateContextProperty
CertGetEnhancedKeyUsage
CertGetIssuerCertificateFromStore
CertOpenStore
CertSetCertificateContextProperty
CertVerifyCertificateChainPolicy
CryptDecodeObjectEx
CryptInstallOIDFunctionAddress
CryptVerifyCertificateSignatureEx

secur32

AcquireCredentialsHandleW
DeleteSecurityContext
FreeContextBuffer
FreeCredentialsHandle
InitializeSecurityContextW
QueryContextAttributesW
QuerySecurityPackageInfoW

user32

CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetQueueStatus
GetWindowLongPtrW
KillTimer
MsgWaitForMultipleObjectsEx
PeekMessageW
PostMessageW
PostQuitMessage
RegisterClassExW
SetTimer
SetWindowLongPtrW
TranslateMessage
UnregisterClassW

ole32

CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoUninitialize

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 5.0MB - Virtual size: 5.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 802KB - Virtual size: 802KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 55KB - Virtual size: 114KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 146KB - Virtual size: 146KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 104B

.tls
Size: 512B - Virtual size: 370B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 68B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

malloc_h
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9d8fc873f7d42026e2d68b041b77aa19

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

dbghelp

ws2_32

kernel32

shell32

winhttp

shlwapi

winmm

crypt32

secur32

user32

ole32

Exports

Exports

Sections

.text Size: 5.0MB - Virtual size: 5.0MB

.rdata Size: 802KB - Virtual size: 802KB

.data Size: 55KB - Virtual size: 114KB

.pdata Size: 146KB - Virtual size: 146KB

.00cfg Size: 512B - Virtual size: 40B

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

.retplne Size: 512B - Virtual size: 104B

.tls Size: 512B - Virtual size: 370B

.voltbl Size: 512B - Virtual size: 68B

_RDATA Size: 512B - Virtual size: 244B

malloc_h Size: 2KB - Virtual size: 1KB

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

.reloc Size: 19KB - Virtual size: 19KB

.text
Size: 5.0MB - Virtual size: 5.0MB

.rdata
Size: 802KB - Virtual size: 802KB

.data
Size: 55KB - Virtual size: 114KB

.pdata
Size: 146KB - Virtual size: 146KB

.00cfg
Size: 512B - Virtual size: 40B

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

.retplne
Size: 512B - Virtual size: 104B

.tls
Size: 512B - Virtual size: 370B

.voltbl
Size: 512B - Virtual size: 68B

_RDATA
Size: 512B - Virtual size: 244B

malloc_h
Size: 2KB - Virtual size: 1KB

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

.reloc
Size: 19KB - Virtual size: 19KB