2024-06-09_4c1712b6543ccd544e6a5f5c595dca41_ryuk

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General

Target

2024-06-09_4c1712b6543ccd544e6a5f5c595dca41_ryuk
Size

1.6MB
MD5

4c1712b6543ccd544e6a5f5c595dca41
SHA1

108aa7f8c19c352ba38836fbafbfb14b060c0cf2
SHA256

cc12941480dc68a2fb766105d67b981928287b3ec587c4f170011b22d72e4f95
SHA512

10911f2c62fa54852476ebcb0de662b938bcd867fde45143a05dec0de9ff4cf5d637b7baa699471817d0a69f139e188052d038d549d6d56515b746f6baadfd39
SSDEEP

24576:Z9swICwm5qkGtcmoGgeW2pdOc1pMvO2Tx1kkkkkkkP8ik+:Z9swIKqkGrNgB2BzMGl8F

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-09_4c1712b6543ccd544e6a5f5c595dca41_ryuk

Files

2024-06-09_4c1712b6543ccd544e6a5f5c595dca41_ryuk
.exe windows:5 windows x64 arch:x64

0296ec421f7a0fd0431cf594c22eadc6

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

P:\5555\src\out\release_static_64\centbrowserupdater.exe.pdb

Imports

advapi32

CreateProcessAsUserW
EventRegister
EventUnregister
EventWrite
RegCloseKey
RegCreateKeyExW
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
SystemFunction036

gdi32

CreateSolidBrush
DeleteObject
SetTextColor

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW
ShellExecuteW

shlwapi

PathFileExistsW
PathMatchSpecW

user32

AllowSetForegroundWindow
CopyRect
CreateDialogParamW
CreateWindowExW
DestroyWindow
DispatchMessageW
EnableWindow
GetActiveWindow
GetDesktopWindow
GetDlgItem
GetMessageW
GetMonitorInfoW
GetSystemMetrics
GetWindowRect
IsWindowVisible
LoadImageW
MessageBoxW
MonitorFromWindow
MoveWindow
OffsetRect
PostMessageW
PostQuitMessage
SendMessageW
SetForegroundWindow
SetWindowPos
SetWindowTextW
ShowWindow
TranslateMessage
UnregisterClassW

wininet

InternetCheckConnectionW

winmm

timeGetTime

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
CopyFileW
CreateDirectoryW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateMutexW
CreateProcessW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetExitCodeProcess
GetExitCodeThread
GetFileAttributesExW
GetFileAttributesW
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
GlobalFree
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeProcThreadAttributeList
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LocalFree
MapViewOfFile
MoveFileExW
MultiByteToWideChar
OpenEventW
OutputDebugStringA
OutputDebugStringW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseMutex
ReleaseSRWLockExclusive
RemoveDirectoryW
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SwitchToThread
TerminateProcess
TerminateThread
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA

winhttp

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

comctl32

ord17

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

ole32

CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 381KB - Virtual size: 380KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 64KB - Virtual size: 117KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 38KB - Virtual size: 37KB

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: 156B

.tls
Size: 512B - Virtual size: 465B

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: 512B - Virtual size: 230B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 36KB - Virtual size: 35KB

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

0296ec421f7a0fd0431cf594c22eadc6

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

gdi32

shell32

shlwapi

user32

wininet

winmm

kernel32

winhttp

comctl32

userenv

ole32

Exports

Exports

Sections

.text Size: 1.1MB - Virtual size: 1.1MB

.rdata Size: 381KB - Virtual size: 380KB

.data Size: 64KB - Virtual size: 117KB

.pdata Size: 38KB - Virtual size: 37KB

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

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

.retplne Size: 512B - Virtual size: 156B

.tls Size: 512B - Virtual size: 465B

LZMADEC Size: 4KB - Virtual size: 4KB

_RDATA Size: 512B - Virtual size: 348B

malloc_h Size: 512B - Virtual size: 230B

.rsrc Size: 36KB - Virtual size: 35KB

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

.text
Size: 1.1MB - Virtual size: 1.1MB

.rdata
Size: 381KB - Virtual size: 380KB

.data
Size: 64KB - Virtual size: 117KB

.pdata
Size: 38KB - Virtual size: 37KB

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

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

.retplne
Size: 512B - Virtual size: 156B

.tls
Size: 512B - Virtual size: 465B

LZMADEC
Size: 4KB - Virtual size: 4KB

_RDATA
Size: 512B - Virtual size: 348B

malloc_h
Size: 512B - Virtual size: 230B

.rsrc
Size: 36KB - Virtual size: 35KB

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