2024-03-11_9c05639ab9d56adbd96a7f01ac0d04fd_ryuk

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General

Target

2024-03-11_9c05639ab9d56adbd96a7f01ac0d04fd_ryuk
Size

5.5MB
MD5

9c05639ab9d56adbd96a7f01ac0d04fd
SHA1

f92723b64dd1ae4860dbb8d3dc64dd3f28d39d2a
SHA256

c5f32570866911059b1f8be30c729894da089539d17a5d812b45e2551216262c
SHA512

7d8e828ad1cfbeacea775b738ce13041a524acd94bfd35fa7be4836424f5e02b248156edd518519986904730198f6c7b9fa570abba225e7d8f358a46dd7e421c
SSDEEP

49152:4EFbqzA/PvIGDFr9AtwA3PlpIgong0yTI+q47W1tn9tJEUxDG0BYYrLA50IHLGfX:WAI5pAdV/n9tbnR1VgBVmpIu

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-11_9c05639ab9d56adbd96a7f01ac0d04fd_ryuk

Files

2024-03-11_9c05639ab9d56adbd96a7f01ac0d04fd_ryuk
.exe windows:5 windows x64 arch:x64

ec53853f09f849c6ff4e957a4faaa766

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:\b\s\w\ir\cache\builder\src\out\Release_x64\setup.exe.pdb

Imports

advapi32

AdjustTokenPrivileges
BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
BuildTrusteeWithSidW
ChangeServiceConfigW
CloseServiceHandle
ConvertSidToStringSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
CreateProcessAsUserW
CreateServiceW
DeleteService
DeregisterEventSource
DuplicateTokenEx
EventRegister
EventSetInformation
EventUnregister
EventWrite
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
GetSidSubAuthority
GetSidSubAuthorityCount
GetTokenInformation
GetTraceEnableFlags
GetTraceEnableLevel
GetTraceLoggerHandle
GetUserNameW
ImpersonateNamedPipeClient
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
LookupPrivilegeValueW
OpenProcessToken
OpenSCManagerW
OpenServiceW
QueryServiceConfigW
RegCloseKey
RegCreateKeyExW
RegDeleteKeyExW
RegDeleteValueW
RegEnumKeyExW
RegEnumValueA
RegEnumValueW
RegLoadKeyW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExA
RegQueryValueExW
RegSetValueExW
RegUnLoadKeyW
RegisterEventSourceA
RegisterTraceGuidsW
ReportEventA
RevertToSelf
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityInfo
SystemFunction036
TraceEvent
UnregisterTraceGuids

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

shell32

CommandLineToArgvW
ord190
ord155
ord680
SHChangeNotify
SHGetFolderPathW
SHGetKnownFolderPath
SHQueryUserNotificationState
ShellExecuteExW
ShellExecuteW

user32

AllowSetForegroundWindow
CallNextHookEx
CharUpperW
CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
EqualRect
GetActiveWindow
GetForegroundWindow
GetMessageW
GetMonitorInfoW
GetQueueStatus
GetSystemMetrics
GetWindowLongPtrW
GetWindowLongW
GetWindowRect
GetWindowThreadProcessId
IntersectRect
KillTimer
LoadIconW
MessageBoxW
MonitorFromRect
MonitorFromWindow
MoveWindow
MsgWaitForMultipleObjectsEx
PeekMessageW
PostMessageW
PostQuitMessage
RegisterClassExW
RegisterClassW
SendMessageW
SetForegroundWindow
SetTimer
SetWindowLongPtrW
SetWindowsHookExW
TranslateMessage
UnhookWindowsHookEx
UnregisterClassW

ws2_32

ntohl

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AssignProcessToJobObject
AttachConsole
CancelIo
CloseHandle
CompareStringW
ConnectNamedPipe
CopyFileW
CreateDirectoryW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexW
CreateNamedPipeW
CreateProcessW
CreateSemaphoreW
CreateThread
CreateToolhelp32Snapshot
DecodePointer
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FreeConsole
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleDisplayMode
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetPriorityClass
GetProcAddress
GetProcessHandleCount
GetProcessHeap
GetProcessId
GetProcessIoCounters
GetProcessMitigationPolicy
GetProcessTimes
GetProductInfo
GetQueuedCompletionStatus
GetShortPathNameW
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDefaultLCID
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadContext
GetThreadId
GetThreadLocale
GetThreadPreferredUILanguages
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetVersionExW
GetWindowsDirectoryW
GlobalAlloc
GlobalFree
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSetInformation
HeapSize
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeProcThreadAttributeList
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetModuleInformation
K32GetPerformanceInfo
K32GetProcessMemoryInfo
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LoadResource
LocalFree
LockFileEx
LockResource
MapViewOfFile
MoveFileExW
MoveFileW
MultiByteToWideChar
OpenMutexW
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
Process32FirstW
Process32NextW
QueryFullProcessImageNameW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
QueueUserAPC
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
ReleaseSemaphore
RemoveDirectoryW
ReplaceFileW
ResetEvent
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetFileTime
SetHandleInformation
SetLastError
SetNamedPipeHandleState
SetPriorityClass
SetProcessShutdownParameters
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
SleepEx
SuspendThread
SwitchToThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualAllocEx
VirtualFree
VirtualProtect
VirtualQuery
VirtualQueryEx
WTSGetActiveConsoleSessionId
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WerRegisterRuntimeExceptionModule
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile
WriteProcessMemory
lstrcmpiW
lstrlenA

winhttp

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

netapi32

NetApiBufferFree
NetGetJoinInformation

wtsapi32

WTSFreeMemory
WTSQuerySessionInformationW
WTSQueryUserToken

ole32

CoAllowSetForegroundWindow
CoCreateInstance
CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoSetProxyBlanket
CoTaskMemAlloc
CoTaskMemFree
CoUninitialize
PropVariantClear

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

RoGetActivationFactory

propsys

InitPropVariantFromCLSID

shlwapi

ord437
PathMatchSpecW
UrlCanonicalizeW

winmm

timeBeginPeriod
timeEndPeriod
timeGetTime

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

urlmon

CreateURLMonikerEx

oleaut32

SysAllocString
SysAllocStringLen
SysFreeString
SysStringLen
VariantClear
VariantInit

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

WindowsCreateString
WindowsDeleteString

ntdll

NtClose
NtOpenKeyEx
NtQueryValueKey
RtlFormatCurrentUserKeyPath
RtlFreeUnicodeString
RtlInitUnicodeString

ncrypt

NCryptCreatePersistedKey
NCryptExportKey
NCryptFinalizeKey
NCryptFreeObject
NCryptGetProperty
NCryptImportKey
NCryptIsAlgSupported
NCryptOpenStorageProvider
NCryptSignHash

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 3.6MB - Virtual size: 3.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 670KB - Virtual size: 669KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 74KB - Virtual size: 143KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 104KB - Virtual size: 104KB

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: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 204B

.rodata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.tls
Size: 1024B - Virtual size: 585B

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

LZMADEC
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

_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: 431KB - Virtual size: 430KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 580KB - Virtual size: 584KB

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

ec53853f09f849c6ff4e957a4faaa766

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

dbghelp

shell32

user32

ws2_32

kernel32

winhttp

netapi32

wtsapi32

ole32

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

propsys

shlwapi

winmm

userenv

version

urlmon

oleaut32

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

ntdll

ncrypt

Exports

Exports

Sections

.text Size: 3.6MB - Virtual size: 3.6MB

.rdata Size: 670KB - Virtual size: 669KB

.data Size: 74KB - Virtual size: 143KB

.pdata Size: 104KB - Virtual size: 104KB

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

.gxfg Size: 13KB - Virtual size: 12KB

.retplne Size: 512B - Virtual size: 204B

.rodata Size: 2KB - Virtual size: 2KB

.tls Size: 1024B - Virtual size: 585B

CPADinfo Size: 512B - Virtual size: 56B

LZMADEC Size: 4KB - Virtual size: 4KB

_RDATA Size: 512B - Virtual size: 348B

malloc_h Size: 1KB - Virtual size: 1KB

.rsrc Size: 431KB - Virtual size: 430KB

.reloc Size: 580KB - Virtual size: 584KB

.text
Size: 3.6MB - Virtual size: 3.6MB

.rdata
Size: 670KB - Virtual size: 669KB

.data
Size: 74KB - Virtual size: 143KB

.pdata
Size: 104KB - Virtual size: 104KB

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

.gxfg
Size: 13KB - Virtual size: 12KB

.retplne
Size: 512B - Virtual size: 204B

.rodata
Size: 2KB - Virtual size: 2KB

.tls
Size: 1024B - Virtual size: 585B

CPADinfo
Size: 512B - Virtual size: 56B

LZMADEC
Size: 4KB - Virtual size: 4KB

_RDATA
Size: 512B - Virtual size: 348B

malloc_h
Size: 1KB - Virtual size: 1KB

.rsrc
Size: 431KB - Virtual size: 430KB

.reloc
Size: 580KB - Virtual size: 584KB