2024-03-27_8348dda3342d0b97a10f07ae085a8396_ryuk

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General

Target

2024-03-27_8348dda3342d0b97a10f07ae085a8396_ryuk
Size

3.5MB
MD5

8348dda3342d0b97a10f07ae085a8396
SHA1

33e84b294dded7c51e95094c3fc90258103ecbc5
SHA256

c04907be3228dbcdd4d2299dd1ed7ff05d99a17fa24ea939c91f542c53f9c07c
SHA512

f2e79fd1b164ee25be0e64e4a9a718f8558300c1a8a27611f20dc8f59ba6ee77b80c338bf27395fb9cd181db9d4fb4dbae4cc14760ced1de22bb11f12206b1d8
SSDEEP

98304:hNR2xcmz7SoNtJgROAV6ZjeTl4HQCz7C:zR2xcmz7SoNtJgROAV6Z6TMP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-27_8348dda3342d0b97a10f07ae085a8396_ryuk

Files

2024-03-27_8348dda3342d0b97a10f07ae085a8396_ryuk
.exe windows:5 windows x64 arch:x64

bf2fa9f8c3ee6772a31a42b9da3f99fb

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

PDB Paths

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

Imports

chrome_elf

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

gdi32

CreateFontIndirectW
DeleteDC
DeleteObject
EnumFontFamiliesExW
GetCharABCWidthsW
GetFontData
GetGlyphOutlineW
GetOutlineTextMetricsW
GetFontUnicodeRanges
GetGlyphIndicesW
GetTextExtentPointI
AddFontMemResourceEx
RemoveFontMemResourceEx
SelectObject
SetBkMode
SetGraphicsMode
SetTextColor
SetTextAlign
GetTextMetricsW
SetWorldTransform
CreateDIBSection
ExtTextOutW
GetTextFaceW
GdiFlush
CreateCompatibleDC

kernel32

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

shell32

SHGetKnownFolderPath
CommandLineToArgvW
SHGetFolderPathW
SHGetSpecialFolderPathW

user32

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

usp10

ScriptItemize
ScriptFreeCache
ScriptShape

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

winmm

timeGetTime

wtsapi32

WTSQuerySessionInformationW
WTSFreeMemory

rpcrt4

UuidCreate

winhttp

WinHttpOpen
WinHttpSetTimeouts
WinHttpReadData
WinHttpCloseHandle
WinHttpConnect
WinHttpCrackUrl
WinHttpQueryHeaders
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpAddRequestHeaders
WinHttpOpenRequest

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 2.7MB - Virtual size: 2.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 522KB - Virtual size: 521KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 13KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 161KB - Virtual size: 161KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 772B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 123KB - Virtual size: 122KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bf2fa9f8c3ee6772a31a42b9da3f99fb

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

chrome_elf

advapi32

gdi32

kernel32

shell32

user32

usp10

version

winmm

wtsapi32

rpcrt4

winhttp

Exports

Exports

Sections

.text Size: 2.7MB - Virtual size: 2.7MB

.rdata Size: 522KB - Virtual size: 521KB

.data Size: 13KB - Virtual size: 58KB

.pdata Size: 161KB - Virtual size: 161KB

.gfids Size: 1024B - Virtual size: 772B

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

_RDATA Size: 32KB - Virtual size: 32KB

.rsrc Size: 123KB - Virtual size: 122KB

.reloc Size: 19KB - Virtual size: 19KB

.text
Size: 2.7MB - Virtual size: 2.7MB

.rdata
Size: 522KB - Virtual size: 521KB

.data
Size: 13KB - Virtual size: 58KB

.pdata
Size: 161KB - Virtual size: 161KB

.gfids
Size: 1024B - Virtual size: 772B

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

_RDATA
Size: 32KB - Virtual size: 32KB

.rsrc
Size: 123KB - Virtual size: 122KB

.reloc
Size: 19KB - Virtual size: 19KB