2024-03-27_30af0f853fe13743dc0522e52db25d1b_ryuk

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General

Target

2024-03-27_30af0f853fe13743dc0522e52db25d1b_ryuk
Size

987KB
MD5

30af0f853fe13743dc0522e52db25d1b
SHA1

ae9fa991e2a022578495904a6996ec8592b3033d
SHA256

480eeeb08ecc5b5f1e549d49befdc5385625351a27ba8adc76ebb9bdcaff6112
SHA512

6abc57eb9810368abdc3138c578bd3b50d35813525d8663ce362005c535f3b8f09aa36bae5e7397bec5f3df626fce3d969e54da336286ce5cf436adbd301775c
SSDEEP

12288:IWqtCfOodI1WOGg+j3uAGS5ZvJc5D6UwS4+QpcyUrK7esKUo/vZ2b:8Cgz+jeHS5Zve5DJwS4uzrHUMvZw

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-27_30af0f853fe13743dc0522e52db25d1b_ryuk

Files

2024-03-27_30af0f853fe13743dc0522e52db25d1b_ryuk
.exe windows:5 windows x64 arch:x64

02c3aa56fd64708410f23e514da931cb

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

C:\b\c\b\win_x64_archive\src\out\Release_x64\initialexe\chrome.exe.pdb

Imports

chrome_elf

SignalInitializeCrashReporting
SignalChromeElf

advapi32

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

kernel32

GetModuleHandleA
GetProcAddress
GetLastError
SetLastError
CreateEventW
GetCurrentThreadId
DuplicateHandle
WaitForSingleObject
GetCurrentProcess
GetProcessId
SetCurrentDirectoryW
SetProcessShutdownParameters
LoadLibraryExW
VirtualAlloc
VirtualFree
MultiByteToWideChar
WideCharToMultiByte
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetComputerNameExW
GetCurrentDirectoryW
CreateFileW
DeleteFileW
WriteFile
OutputDebugStringA
CloseHandle
GetCurrentProcessId
GetTickCount
GetModuleFileNameW
FormatMessageA
QueryPerformanceCounter
QueryPerformanceFrequency
Sleep
GetSystemTimeAsFileTime
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetCommandLineW
LocalFree
GetModuleHandleW
ExpandEnvironmentStringsW
GetVersionExW
GetNativeSystemInfo
TerminateProcess
GetExitCodeProcess
OpenProcess
FlushFileBuffers
GetFileInformationByHandle
GetFileSizeEx
ReadFile
SetEndOfFile
SetFilePointerEx
GetProcessTimes
GetSystemInfo
VirtualQueryEx
IsDebuggerPresent
RaiseException
CreateThread
RtlCaptureStackBackTrace
SetUnhandledExceptionFilter
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
CreateDirectoryW
GetFileAttributesW
GetLongPathNameW
QueryDosDeviceW
RemoveDirectoryW
SetFileAttributesW
GetTempPathW
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
MoveFileW
ReplaceFileW
UnregisterWaitEx
RegisterWaitForSingleObject
GetUserDefaultLangID
GetThreadLocale
GetThreadId
HeapSetInformation
GetModuleHandleExW
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
LoadResource
LockResource
SizeofResource
FindResourceW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
VirtualQuery
LoadLibraryW
CreateIoCompletionPort
GetQueuedCompletionStatus
PostQueuedCompletionStatus
SetEvent
SetInformationJobObject
ResetEvent
CompareStringW
DecodePointer
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetSystemDirectoryW
GetWindowsDirectoryW
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
TerminateJobObject
GetUserDefaultLCID
AssignProcessToJobObject
GetFileType
SetHandleInformation
ProcessIdToSessionId
GetProcessHandleCount
SignalObjectAndWait
CreateMutexW
VirtualProtectEx
QueryFullProcessImageNameW
VirtualAllocEx
VirtualFreeEx
CreateJobObjectW
CreateNamedPipeW
CreateRemoteThread
CreateProcessW
ReadProcessMemory
DebugBreak
lstrlenW
SearchPathW
VirtualProtect
FreeLibrary
LoadLibraryExA
Wow64GetThreadContext
GetThreadContext
SuspendThread
CreateSemaphoreW
ReleaseSemaphore
GetVersion
WaitNamedPipeW
TransactNamedPipe
SetNamedPipeHandleState
GetFileInformationByHandleEx
DisconnectNamedPipe
ConnectNamedPipe
UnlockFileEx
LockFileEx
GetUserDefaultUILanguage
ResumeThread
GetEnvironmentVariableW
SetEnvironmentVariableW
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
IsValidCodePage
GetTimeZoneInformation
WriteConsoleW
EnumSystemLocalesW
IsValidLocale
ReadConsoleW
GetACP
GetStdHandle
SetStdHandle
GetFullPathNameW
ExitProcess
GetConsoleMode
GetConsoleCP
PeekNamedPipe
GetDriveTypeW
GetProcessHeap
RtlPcToFileHeader
RtlUnwindEx
OutputDebugStringW
GetCPInfo
GetStringTypeW
GetLocaleInfoW
LCMapStringW
EncodePointer
InitializeSListHead
IsProcessorFeaturePresent
GetStartupInfoW
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetSystemDefaultLCID
WriteProcessMemory

psapi

GetMappedFileNameW

shell32

SHGetKnownFolderPath
SHGetSpecialFolderPathW
CommandLineToArgvW
SHGetFolderPathW

user32

GetUserObjectInformationW
GetProcessWindowStation
SetProcessWindowStation
CreateWindowStationW
GetThreadDesktop
CreateDesktopW
CloseWindowStation
CloseDesktop
GetWindowThreadProcessId
AllowSetForegroundWindow
IsWindow
SendMessageTimeoutW
FindWindowExW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

timeGetTime

wtsapi32

WTSFreeMemory
WTSQuerySessionInformationW

rpcrt4

UuidCreate

winhttp

WinHttpQueryHeaders
WinHttpCrackUrl
WinHttpCloseHandle
WinHttpOpen
WinHttpOpenRequest
WinHttpReceiveResponse
WinHttpReadData
WinHttpSetTimeouts
WinHttpSendRequest
WinHttpAddRequestHeaders
WinHttpConnect

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 691KB - Virtual size: 690KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 170KB - Virtual size: 170KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 39KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 2B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 73KB - Virtual size: 73KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

02c3aa56fd64708410f23e514da931cb

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

chrome_elf

advapi32

kernel32

psapi

shell32

user32

version

winmm

wtsapi32

rpcrt4

winhttp

Exports

Exports

Sections

.text Size: 691KB - Virtual size: 690KB

.rdata Size: 170KB - Virtual size: 170KB

.data Size: 5KB - Virtual size: 21KB

.pdata Size: 39KB - Virtual size: 38KB

.didat Size: 512B - Virtual size: 88B

.tls Size: 512B - Virtual size: 2B

.rsrc Size: 73KB - Virtual size: 73KB

.reloc Size: 6KB - Virtual size: 5KB

.text
Size: 691KB - Virtual size: 690KB

.rdata
Size: 170KB - Virtual size: 170KB

.data
Size: 5KB - Virtual size: 21KB

.pdata
Size: 39KB - Virtual size: 38KB

.didat
Size: 512B - Virtual size: 88B

.tls
Size: 512B - Virtual size: 2B

.rsrc
Size: 73KB - Virtual size: 73KB

.reloc
Size: 6KB - Virtual size: 5KB