2024-04-17_88e8245f77c5e4d9bf9befd5fa25bce8_ryuk

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General

Target

2024-04-17_88e8245f77c5e4d9bf9befd5fa25bce8_ryuk
Size

2.4MB
MD5

88e8245f77c5e4d9bf9befd5fa25bce8
SHA1

2d3c6fb6ba971565c2590a8af61ca5c3bd69d880
SHA256

2705357924a26e59e223987278d4c4ced46dc88038117c8f3fa05237867e415f
SHA512

2caf0e87f4e09b45309b400aed73a508392c8d69a27ef7a7224874efd8ca6ff01c0ee33a760d83f7deade1404698496d9fd37d5f89411b3b43b6d5d6d8169583
SSDEEP

49152:VdHRuYyHF9DY3nB+loD1UmhrAhyTUjjh1xsWDmg27RnWGj:8Y29KB+lpmhL6tD527BWG

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-17_88e8245f77c5e4d9bf9befd5fa25bce8_ryuk

Files

2024-04-17_88e8245f77c5e4d9bf9befd5fa25bce8_ryuk
.exe windows:5 windows x64 arch:x64

059bc779aeacbdae689eeb5067ee1b2a

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\opera1\chromium\src\out\Release\opera_crashreporter.exe.pdb

Imports

advapi32

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

shell32

CommandLineToArgvW
ord680
SHGetFolderPathW
SHGetKnownFolderPath

kernel32

AcquireSRWLockExclusive
AddVectoredExceptionHandler
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
FormatMessageW
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
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
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
ReleaseSemaphore
RemoveDirectoryW
RemoveVectoredExceptionHandler
ReplaceFileW
ResetEvent
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetProcessShutdownParameters
SetStdHandle
SetThreadInformation
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

winmm

timeGetTime

user32

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

shlwapi

PathMatchSpecW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

dbghelp

MiniDumpWriteDump

api-ms-win-core-winrt-l1-1-0

RoInitialize
RoUninitialize

winhttp

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

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 257KB - Virtual size: 256KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 60KB - Virtual size: 110KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 52KB - Virtual size: 51KB

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: 1024B - Virtual size: 530B

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: 512B - Virtual size: 228B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 63KB - Virtual size: 63KB

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

059bc779aeacbdae689eeb5067ee1b2a

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

shell32

kernel32

ole32

winmm

user32

shlwapi

version

dbghelp

api-ms-win-core-winrt-l1-1-0

winhttp

Exports

Exports

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.rdata Size: 257KB - Virtual size: 256KB

.data Size: 60KB - Virtual size: 110KB

.pdata Size: 52KB - Virtual size: 51KB

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

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

.tls Size: 1024B - Virtual size: 530B

CPADinfo Size: 512B - Virtual size: 64B

_RDATA Size: 512B - Virtual size: 348B

malloc_h Size: 512B - Virtual size: 228B

.rsrc Size: 63KB - Virtual size: 63KB

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

.text
Size: 1.4MB - Virtual size: 1.4MB

.rdata
Size: 257KB - Virtual size: 256KB

.data
Size: 60KB - Virtual size: 110KB

.pdata
Size: 52KB - Virtual size: 51KB

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

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

.tls
Size: 1024B - Virtual size: 530B

CPADinfo
Size: 512B - Virtual size: 64B

_RDATA
Size: 512B - Virtual size: 348B

malloc_h
Size: 512B - Virtual size: 228B

.rsrc
Size: 63KB - Virtual size: 63KB

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