2024-02-29_1d4f9078228192d838e434135f05ffe0_ryuk

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General

Target

2024-02-29_1d4f9078228192d838e434135f05ffe0_ryuk
Size

9.4MB
MD5

1d4f9078228192d838e434135f05ffe0
SHA1

179131672f4dfdfc04f21666c78e47bad2c2b9e5
SHA256

118cbc4c0c5b2d4ef6985394c232d42c70193cd3ce99d83eb9cac8d77485249a
SHA512

8a49240f1eda6ba76e1433887e3228ba2871aafa285ab6850c76bb3140edf8d73d4169d48fc0f3d9a06f3284c139c0a7ceff8924b5430b98482d85abe08a3dce
SSDEEP

98304:PRDN4cwhil03jEPVFQa2FrL63oIVxV8Dtlr7nLrHp/qKm2/Sb/gq2sq8deaddDyQ:FKcww0C9wre3lV4lrnrRb/G2sqK/7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-29_1d4f9078228192d838e434135f05ffe0_ryuk

Files

2024-02-29_1d4f9078228192d838e434135f05ffe0_ryuk
.exe windows:5 windows x64 arch:x64

44627719cfc5f3de9c15a352d2b33648

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

crashreport.exe.pdb

Imports

advapi32

CreateProcessAsUserW
EventRegister
EventUnregister
EventWrite
RegCloseKey
RegCreateKeyExW
RegNotifyChangeKeyValue
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
SystemFunction036

dbghelp

MiniDumpWriteDump
SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

user32

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

ws2_32

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

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
AreFileApisANSI
AssignProcessToJobObject
CallbackMayRunLong
CancelIo
CloseHandle
CloseThreadpool
CloseThreadpoolWork
CompareStringW
CopyFileW
CreateDirectoryW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexW
CreateProcessW
CreateThread
CreateThreadpool
CreateThreadpoolWork
DecodePointer
DeleteCriticalSection
DeleteFileA
DeleteFileW
DeleteProcThreadAttributeList
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDiskFreeSpaceA
GetDiskFreeSpaceExW
GetDiskFreeSpaceW
GetDriveTypeW
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesA
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSize
GetFileSizeEx
GetFileType
GetFullPathNameA
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoEx
GetLocaleInfoW
GetLogicalProcessorInformation
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetProductInfo
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathA
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTickCount64
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
GlobalFree
GlobalMemoryStatusEx
HeapAlloc
HeapCompact
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
HeapValidate
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeProcThreadAttributeList
InitializeSListHead
InitializeSRWLock
InterlockedPushEntrySList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFile
LockFileEx
MapViewOfFile
MoveFileExW
MoveFileW
MultiByteToWideChar
OutputDebugStringA
OutputDebugStringW
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
SetHandleInformation
SetLastError
SetStdHandle
SetThreadPriority
SetThreadpoolThreadMaximum
SetThreadpoolThreadMinimum
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SubmitThreadpoolWork
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
TryEnterCriticalSection
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UnlockFile
UnlockFileEx
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WaitForThreadpoolWorkCallbacks
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

ole32

CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize

iphlpapi

GetAdaptersAddresses

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

shlwapi

PathMatchSpecW

winmm

timeBeginPeriod
timeEndPeriod
timeGetTime

winhttp

WinHttpCloseHandle
WinHttpGetIEProxyConfigForCurrentUser
WinHttpGetProxyForUrl
WinHttpOpen
WinHttpSetTimeouts

crypt32

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

secur32

AcquireCredentialsHandleW
DeleteSecurityContext
FreeContextBuffer
FreeCredentialsHandle
InitializeSecurityContextW
QueryContextAttributesW
QuerySecurityPackageInfoW

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 6.2MB - Virtual size: 6.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 56KB - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 210KB - Virtual size: 210KB

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: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 108B

.tls
Size: 512B - Virtual size: 365B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

malloc_h
Size: 512B - Virtual size: 326B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 416B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 596KB - Virtual size: 600KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

44627719cfc5f3de9c15a352d2b33648

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

dbghelp

user32

ws2_32

kernel32

ole32

iphlpapi

shell32

userenv

shlwapi

winmm

winhttp

crypt32

secur32

Exports

Exports

Sections

.text Size: 6.2MB - Virtual size: 6.2MB

.rdata Size: 2.3MB - Virtual size: 2.3MB

.data Size: 56KB - Virtual size: 107KB

.pdata Size: 210KB - Virtual size: 210KB

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

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

.retplne Size: 512B - Virtual size: 108B

.tls Size: 512B - Virtual size: 365B

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

_RDATA Size: 512B - Virtual size: 244B

malloc_h Size: 512B - Virtual size: 326B

.rsrc Size: 512B - Virtual size: 416B

.reloc Size: 596KB - Virtual size: 600KB

.text
Size: 6.2MB - Virtual size: 6.2MB

.rdata
Size: 2.3MB - Virtual size: 2.3MB

.data
Size: 56KB - Virtual size: 107KB

.pdata
Size: 210KB - Virtual size: 210KB

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

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

.retplne
Size: 512B - Virtual size: 108B

.tls
Size: 512B - Virtual size: 365B

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

_RDATA
Size: 512B - Virtual size: 244B

malloc_h
Size: 512B - Virtual size: 326B

.rsrc
Size: 512B - Virtual size: 416B

.reloc
Size: 596KB - Virtual size: 600KB