2024-01-11_913f25732ff30b57c6f38629faaf3da6_ryuk

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General

Target

2024-01-11_913f25732ff30b57c6f38629faaf3da6_ryuk
Size

1.2MB
MD5

913f25732ff30b57c6f38629faaf3da6
SHA1

59abd29963344f8d833298af2a0547fcf68d0d13
SHA256

94b5a38d8d88b93b71b6c3dd6be649addd38a41d133cf25d57213444de7330ca
SHA512

0f67a8dc679ae149c35bb6cb312297d01e5e44b8bc1cb198e5e6b8315a3e07ee95d4e529d6c84fac5def90b4d7208f05d8746351cf721ee64fbe32acd5aa2b6a
SSDEEP

12288:/uypQKhZ+YbfLZLQUzxEgpDGGOadudj1/HnLVCua9QHvHg8ctr3o6xdhHY:hCEJ7L9XDSadA/Hnoua9QPHg8Q3rY

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-11_913f25732ff30b57c6f38629faaf3da6_ryuk

Files

2024-01-11_913f25732ff30b57c6f38629faaf3da6_ryuk
.exe windows:5 windows x64 arch:x64

f6b22b1f0382bf49dc7d5228e0a03f20

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

nw_elf

SignalChromeElf

advapi32

ImpersonateNamedPipeClient
RevertToSelf
ConvertStringSecurityDescriptorToSecurityDescriptorW
RegCloseKey
RegCreateKeyExW
RegDeleteValueW
RegEnumKeyExW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW
OpenProcessToken
GetTokenInformation
CreateProcessAsUserW
SystemFunction036
GetAce
GetKernelObjectSecurity
GetLengthSid
GetSecurityDescriptorSacl
SetKernelObjectSecurity
SetTokenInformation
SetSecurityInfo
ConvertStringSidToSidW
RegDisablePredefinedCache
CopySid
CreateWellKnownSid
CreateRestrictedToken
DuplicateToken
DuplicateTokenEx
EqualSid
LookupPrivilegeValueW
SetThreadToken
ConvertSidToStringSidW
SetEntriesInAclW
GetSecurityInfo

kernel32

GetCommandLineA
GetCurrentThreadId
GetModuleHandleA
GetProcAddress
GetLastError
SetLastError
CreateEventW
DuplicateHandle
WaitForSingleObject
GetCurrentProcess
GetProcessId
SetCurrentDirectoryW
GetCurrentDirectoryW
SetProcessShutdownParameters
LoadLibraryExW
VirtualAlloc
VirtualFree
GetModuleHandleW
CloseHandle
GetProcessTimes
OpenProcess
GetSystemTimeAsFileTime
ReadProcessMemory
UnregisterWaitEx
CreateFileW
WriteFile
SetNamedPipeHandleState
TransactNamedPipe
WaitNamedPipeW
SetEvent
ResetEvent
GetCurrentProcessId
ReadFile
ConnectNamedPipe
DisconnectNamedPipe
CreateNamedPipeW
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
CreateMutexW
Sleep
RegisterWaitForSingleObject
FreeLibrary
LoadLibraryW
RtlCaptureContext
SetUnhandledExceptionFilter
ReleaseSemaphore
CreateSemaphoreW
CreateThread
SuspendThread
ResumeThread
GetThreadContext
VirtualQueryEx
MultiByteToWideChar
WideCharToMultiByte
RtlAddFunctionTable
RtlDeleteFunctionTable
CreateRemoteThread
VirtualProtect
GetModuleFileNameW
HeapAlloc
HeapReAlloc
HeapFree
RtlVirtualUnwind
CreateDirectoryW
DeleteFileW
GetFileAttributesW
LockFileEx
SetEndOfFile
UnlockFileEx
GetStdHandle
GetFileType
SetHandleInformation
RaiseException
CreatePipe
SleepEx
TerminateProcess
CreateProcessW
GetVersion
VirtualAllocEx
VirtualProtectEx
WriteProcessMemory
SetFilePointerEx
QueryPerformanceCounter
QueryPerformanceFrequency
FormatMessageA
CreateIoCompletionPort
GetQueuedCompletionStatus
PostQueuedCompletionStatus
GetSystemInfo
LocalFree
GetThreadLocale
GetSystemDefaultLCID
GetUserDefaultLCID
IsProcessorFeaturePresent
GetVersionExW
GetTimeZoneInformation
ExitProcess
OutputDebugStringA
GetTickCount
GetCommandLineW
ExpandEnvironmentStringsW
GetExitCodeProcess
FlushFileBuffers
GetFileInformationByHandle
GetFileSizeEx
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
IsDebuggerPresent
GetCurrentThread
SetThreadPriority
GetThreadPriority
GetLongPathNameW
QueryDosDeviceW
GetTempPathW
AssignProcessToJobObject
SetInformationJobObject
GetNativeSystemInfo
GetEnvironmentVariableW
SetEnvironmentVariableW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FindClose
FindFirstFileExW
FindNextFileW
VirtualQuery
RtlCaptureStackBackTrace
GetModuleHandleExW
GetUserDefaultLangID
LoadResource
LockResource
SizeofResource
FindResourceW
RtlLookupFunctionEntry
OutputDebugStringW
CompareStringW
DecodePointer
InitializeCriticalSectionAndSpinCount
GetSystemDirectoryW
GetWindowsDirectoryW
InitOnceExecuteOnce
HeapSetInformation
TerminateJobObject
ProcessIdToSessionId
GetProcessHandleCount
SignalObjectAndWait
VirtualFreeEx
CreateJobObjectW
DebugBreak
lstrlenW
SearchPathW
GetThreadId
LoadLibraryExA
EncodePointer
LCMapStringW
GetLocaleInfoW
GetCPInfo
UnhandledExceptionFilter
GetStartupInfoW
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader
GetProcessHeap
GetDriveTypeW
PeekNamedPipe
GetConsoleCP
GetConsoleMode
GetFullPathNameW
SetStdHandle
GetACP
ReadConsoleW
IsValidLocale
EnumSystemLocalesW
HeapSize
WriteConsoleW
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
GetUserDefaultUILanguage
GetStringTypeW

shell32

SHGetKnownFolderPath
SHGetFolderPathW
CommandLineToArgvW

user32

CloseDesktop
CloseWindowStation
PostThreadMessageW
PeekMessageW
CreateDesktopW
GetThreadDesktop
CreateWindowStationW
SetProcessWindowStation
GetProcessWindowStation
GetUserObjectInformationW

version

GetFileVersionInfoW
GetFileVersionInfoSizeW
VerQueryValueW

winmm

timeGetTime

rpcrt4

UuidCreate

winhttp

WinHttpCrackUrl
WinHttpOpen
WinHttpCloseHandle
WinHttpConnect
WinHttpReadData
WinHttpSetTimeouts
WinHttpOpenRequest
WinHttpAddRequestHeaders
WinHttpSendRequest
WinHttpReceiveResponse
WinHttpQueryHeaders

Exports

Exports

ClearCrashKeyValueImpl
CrashForException
DumpProcessWithoutCrash
GetCrashReportsImpl
GetHandleVerifier
InjectDumpForHangDebugging
InjectDumpProcessWithoutCrash
IsSandboxedProcess
RegisterNonABICompliantCodeRange
SetCrashKeyValueImpl
UnregisterNonABICompliantCodeRange

Sections

.text
Size: 882KB - Virtual size: 881KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 232KB - Virtual size: 231KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

CPADinfo
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 25B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 1024B - Virtual size: 824B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 68KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f6b22b1f0382bf49dc7d5228e0a03f20

Headers

DLL Characteristics

File Characteristics

Imports

nw_elf

advapi32

kernel32

shell32

user32

version

winmm

rpcrt4

winhttp

Exports

Exports

Sections

.text Size: 882KB - Virtual size: 881KB

.rdata Size: 232KB - Virtual size: 231KB

.data Size: 5KB - Virtual size: 46KB

.pdata Size: 40KB - Virtual size: 39KB

CPADinfo Size: 512B - Virtual size: 48B

.tls Size: 512B - Virtual size: 25B

.gfids Size: 1024B - Virtual size: 824B

_RDATA Size: 32KB - Virtual size: 32KB

.rsrc Size: 68KB - Virtual size: 68KB

.reloc Size: 6KB - Virtual size: 6KB

.text
Size: 882KB - Virtual size: 881KB

.rdata
Size: 232KB - Virtual size: 231KB

.data
Size: 5KB - Virtual size: 46KB

.pdata
Size: 40KB - Virtual size: 39KB

CPADinfo
Size: 512B - Virtual size: 48B

.tls
Size: 512B - Virtual size: 25B

.gfids
Size: 1024B - Virtual size: 824B

_RDATA
Size: 32KB - Virtual size: 32KB

.rsrc
Size: 68KB - Virtual size: 68KB

.reloc
Size: 6KB - Virtual size: 6KB