2024-02-13_c05286131ac08ac0e48b4be12a6a5eb8_ryuk

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General

Target

2024-02-13_c05286131ac08ac0e48b4be12a6a5eb8_ryuk
Size

2.8MB
MD5

c05286131ac08ac0e48b4be12a6a5eb8
SHA1

42f476c7c224d71462524d572be3a660b4b61fb0
SHA256

73ad19a8e62d50f898b011b27e6f0ebe3ae091717d56b41659fff6e3591da9a5
SHA512

5300d212f8f2967956116f7c07e2ce3c9b882b7d4ca191450ee5e6c5aafe7bd17f12b0d4dfe579fd4800f0a2a66f3d0007ec0da44aaaf6c288fc6b120cd07c19
SSDEEP

49152:VF1STm1pef/kTvdU0BDRlTfbV6V/8HFfLNBNI2XyeNoS:5t1pe8BDPLp6l8ljNB1y0oS

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-13_c05286131ac08ac0e48b4be12a6a5eb8_ryuk

Files

2024-02-13_c05286131ac08ac0e48b4be12a6a5eb8_ryuk
.exe windows:5 windows x64 arch:x64

ec2c7a643c3841459c742e019a72d452

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

c:\srv\slave\workdir\repos\opera\chromium\src\out\Release\opera_crashreporter.exe.pdb

Imports

advapi32

BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
BuildTrusteeWithSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
EventRegister
EventSetInformation
EventUnregister
EventWrite
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
GetUserNameW
ImpersonateNamedPipeClient
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
RegCloseKey
RegOpenKeyExW
RegQueryValueExA
RegQueryValueExW
RevertToSelf
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityInfo
SystemFunction036

shell32

CommandLineToArgvW
ord680
SHGetFolderPathW
SHGetKnownFolderPath

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
CancelIo
CloseHandle
CompareStringW
ConnectNamedPipe
CreateDirectoryW
CreateEventW
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateNamedPipeW
CreateProcessW
CreateSemaphoreW
CreateThread
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetHandleInformation
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHandleCount
GetProcessHeap
GetProcessId
GetProcessTimes
GetProductInfo
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDefaultLCID
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadContext
GetThreadId
GetThreadLocale
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
GlobalMemoryStatusEx
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetPerformanceInfo
K32GetProcessMemoryInfo
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MapViewOfFile
MoveFileW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
PeekNamedPipe
PostQueuedCompletionStatus
QueryFullProcessImageNameW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
ReleaseSRWLockShared
ReleaseSemaphore
RemoveDirectoryW
ReplaceFileW
ResetEvent
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetProcessShutdownParameters
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SuspendThread
SwitchToThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
VirtualQueryEx
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile
lstrlenA

ole32

CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize

user32

CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetMessageW
GetWindowLongPtrW
PostMessageW
RegisterClassW
SetWindowLongPtrW
TranslateMessage
UnregisterClassW
wsprintfW

winmm

timeGetTime

shlwapi

PathMatchSpecW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

dbghelp

MiniDumpWriteDump

winhttp

WinHttpAddRequestHeaders
WinHttpCloseHandle
WinHttpConnect
WinHttpCrackUrl
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryHeaders
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpSetTimeouts
WinHttpWriteData

Exports

Exports

GetHandleVerifier

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 331KB - Virtual size: 331KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 67KB - Virtual size: 119KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 60KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 48B

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: 172B

.tls
Size: 512B - Virtual size: 449B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

CPADinfo
Size: 512B - Virtual size: 64B

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

malloc_h
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 576KB - Virtual size: 580KB

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

ec2c7a643c3841459c742e019a72d452

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

shell32

kernel32

ole32

user32

winmm

shlwapi

version

dbghelp

winhttp

Exports

Exports

Sections

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

.rdata Size: 331KB - Virtual size: 331KB

.data Size: 67KB - Virtual size: 119KB

.pdata Size: 60KB - Virtual size: 59KB

.00cfg Size: 512B - Virtual size: 48B

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

.retplne Size: 512B - Virtual size: 172B

.tls Size: 512B - Virtual size: 449B

CPADinfo Size: 512B - Virtual size: 64B

_RDATA Size: 512B - Virtual size: 348B

malloc_h Size: 1KB - Virtual size: 1KB

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

.reloc Size: 576KB - Virtual size: 580KB

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

.rdata
Size: 331KB - Virtual size: 331KB

.data
Size: 67KB - Virtual size: 119KB

.pdata
Size: 60KB - Virtual size: 59KB

.00cfg
Size: 512B - Virtual size: 48B

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

.retplne
Size: 512B - Virtual size: 172B

.tls
Size: 512B - Virtual size: 449B

CPADinfo
Size: 512B - Virtual size: 64B

_RDATA
Size: 512B - Virtual size: 348B

malloc_h
Size: 1KB - Virtual size: 1KB

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

.reloc
Size: 576KB - Virtual size: 580KB