2024-06-27_45e6ad762fc1a99f49e8da9fc847eae3_ryuk

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General

Target

2024-06-27_45e6ad762fc1a99f49e8da9fc847eae3_ryuk
Size

2.5MB
MD5

45e6ad762fc1a99f49e8da9fc847eae3
SHA1

cebb0a00514cf92661b9548638a95a1a6619f307
SHA256

13db212c4be51ddb2c75f2f5bb4d54d351887d82f39e5b0b452f2d21fc2a51b2
SHA512

a83521849d6b7bbbe2a4fa1160da32de9d693f1ac86c9ae7b9423d1d2101a3308335b73434fad6a389b167beb888c1f328df98265ef0586d35d8625b51af4fa2
SSDEEP

49152:KfjW9w6eIJMDcYrITyFvDltqANxZ9HSrb5yjbJ1v+:aWgK8xlhV9Hs

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-27_45e6ad762fc1a99f49e8da9fc847eae3_ryuk

Files

2024-06-27_45e6ad762fc1a99f49e8da9fc847eae3_ryuk
.exe windows:5 windows x64 arch:x64

48faf62667813c579f089300a424ccb1

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

chrome.exe.pdb

Imports

chrome_elf

GetInstallDetailsPayload
IsBrowserProcess
IsExtensionPointDisableSet
SignalChromeElf
SignalInitializeCrashReporting

progwrp

AcquireSRWLockExclusive
AddMandatoryAce
AddVectoredExceptionHandler
DeleteProcThreadAttributeList
EncodePointer
EnumSystemLocalesEx
FindFirstFileExW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
GetCurrentProcessorNumber
GetFileInformationByHandleEx
GetLogicalProcessorInformation
GetModuleHandleExW
GetModuleInformation
GetNativeSystemInfo
GetPerformanceInfo
GetProcAddress
GetProcessHandleCount
GetProcessId
GetProcessMemoryInfo
GetProductInfo
GetThreadId
GetUserDefaultLocaleName
InitOnceExecuteOnce
InitializeConditionVariable
InitializeProcThreadAttributeList
InitializeSListHead
IsWow64Process
LoadLibraryW
QueryThreadCycleTime
QueryWorkingSetEx
ReleaseSRWLockExclusive
RemoveVectoredExceptionHandler
SHGetKnownFolderPath
SleepConditionVariableSRW
SystemFunction036
TLSInit_DllMain_ThreadAttach
TryAcquireSRWLockExclusive
UpdateProcThreadAttribute
WakeAllConditionVariable
WakeConditionVariable
Wow64GetThreadContext

kernel32

CloseHandle
CompareStringW
ConnectNamedPipe
CreateDirectoryW
CreateEventW
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateJobObjectW
CreateMutexW
CreateNamedPipeW
CreateProcessW
CreateRemoteThread
CreateSemaphoreW
CreateThread
DebugBreak
DeleteCriticalSection
DeleteFileW
DisconnectNamedPipe
DuplicateHandle
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindNextFileW
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetOEMCP
GetProcessHeap
GetProcessHeaps
GetProcessTimes
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDefaultLCID
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadContext
GetThreadLocale
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetVersionExW
GetWindowsDirectoryW
HeapDestroy
HeapSetInformation
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExA
LoadLibraryExW
LocalFree
LockFileEx
MapViewOfFile
MoveFileW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
PeekNamedPipe
PostQueuedCompletionStatus
QueryDosDeviceW
QueryInformationJobObject
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseSemaphore
RemoveDirectoryW
ReplaceFileW
ResetEvent
ResumeThread
SetConsoleCtrlHandler
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetHandleInformation
SetInformationJobObject
SetLastError
SetNamedPipeHandleState
SetProcessShutdownParameters
SetStdHandle
SetThreadAffinityMask
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepEx
SuspendThread
SwitchToThread
SystemTimeToTzSpecificLocalTime
TerminateJobObject
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWaitEx
VerifyVersionInfoW
VirtualAlloc
VirtualAllocEx
VirtualFree
VirtualFreeEx
VirtualProtect
VirtualProtectEx
VirtualQuery
VirtualQueryEx
WaitForMultipleObjects
WaitForSingleObject
WaitNamedPipeW
WideCharToMultiByte
WriteConsoleW
WriteFile
WriteProcessMemory
lstrlenA

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

ntdll

RtlCaptureContext
RtlCaptureStackBackTrace
RtlInitUnicodeString
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
VerSetConditionMask

Exports

Exports

GetHandleVerifier
GetPakFileHashes
IsSandboxedProcess

Sections

.text
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 258KB - Virtual size: 257KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 59KB - Virtual size: 100KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 54KB - Virtual size: 53KB

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: 561B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

CPADinfo
Size: 512B - Virtual size: 56B

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: 160KB - Virtual size: 159KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

48faf62667813c579f089300a424ccb1

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

chrome_elf

progwrp

kernel32

version

ntdll

Exports

Exports

Sections

.text Size: 1.9MB - Virtual size: 1.9MB

.rdata Size: 258KB - Virtual size: 257KB

.data Size: 59KB - Virtual size: 100KB

.pdata Size: 54KB - Virtual size: 53KB

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

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

.tls Size: 1024B - Virtual size: 561B

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 348B

malloc_h Size: 1KB - Virtual size: 1KB

.rsrc Size: 160KB - Virtual size: 159KB

.reloc Size: 9KB - Virtual size: 8KB

.text
Size: 1.9MB - Virtual size: 1.9MB

.rdata
Size: 258KB - Virtual size: 257KB

.data
Size: 59KB - Virtual size: 100KB

.pdata
Size: 54KB - Virtual size: 53KB

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

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

.tls
Size: 1024B - Virtual size: 561B

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 348B

malloc_h
Size: 1KB - Virtual size: 1KB

.rsrc
Size: 160KB - Virtual size: 159KB

.reloc
Size: 9KB - Virtual size: 8KB