2024-08-08_22a74e39840d9245640fd65fe34b3ab1_ryuk

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General

Target

2024-08-08_22a74e39840d9245640fd65fe34b3ab1_ryuk
Size

950KB
MD5

22a74e39840d9245640fd65fe34b3ab1
SHA1

8a0114fd6de44fd6a0b9192e465c0d873f685a98
SHA256

0134f2a0b9007a00a6823af7ffcd74a76af0dc4c480af23ef6accf29016dd32e
SHA512

13895130154c2966a5f3be42dbd6eb4ac583799bd719fe8074a40ff7168da981be4c507f8c78425cbdac9ee435b292596e9ef39bc7d01ae7a8d68981589b1903
SSDEEP

12288:anEVjlSn9g18Acx1/pRwPlt4JCxqZR/Rxhw3Iuv7XhRO0zinclPorgD2F:NnSn5RRwPltUiqZR/nhw4i7Xq0zTP9a

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-08_22a74e39840d9245640fd65fe34b3ab1_ryuk

Files

2024-08-08_22a74e39840d9245640fd65fe34b3ab1_ryuk
.exe windows:5 windows x64 arch:x64

e9b5e3e0b22cdec19f9715c90ac06c8d

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

kernel32

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
GetModuleHandleA
TlsGetValue
TlsSetValue
TlsFree
GetThreadId
HeapSetInformation
GetModuleHandleExW
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
LoadResource
LockResource
SizeofResource
FindResourceW
CreateIoCompletionPort
GetQueuedCompletionStatus
PostQueuedCompletionStatus
SetEvent
SetInformationJobObject
VirtualQuery
ResetEvent
LoadLibraryW
CompareStringW
DecodePointer
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetSystemDirectoryW
GetWindowsDirectoryW
ResumeThread
GetThreadContext
ReadProcessMemory
Wow64GetThreadContext
IsProcessorFeaturePresent
GetTimeZoneInformation
GetThreadLocale
GetSystemDefaultLCID
GetUserDefaultLCID
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
TerminateJobObject
WriteProcessMemory
AssignProcessToJobObject
GetFileType
SetHandleInformation
ProcessIdToSessionId
GetProcessHandleCount
SignalObjectAndWait
CreateMutexW
VirtualProtectEx
QueryFullProcessImageNameW
VirtualAllocEx
VirtualFreeEx
CreateJobObjectW
CreateNamedPipeW
CreateRemoteThread
CreateProcessW
DebugBreak
lstrlenW
SearchPathW
VirtualProtect
FreeLibrary
LoadLibraryExA
ReleaseSemaphore
WaitNamedPipeW
TransactNamedPipe
SetNamedPipeHandleState
GetVersion
DisconnectNamedPipe
ConnectNamedPipe
UnlockFileEx
LockFileEx
GetUserDefaultUILanguage
GetEnvironmentVariableW
SetEnvironmentVariableW
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
IsValidCodePage
WriteConsoleW
EnumSystemLocalesW
IsValidLocale
ReadConsoleW
GetACP
GetStdHandle
SetStdHandle
GetFullPathNameW
ExitProcess
GetConsoleMode
GetConsoleCP
PeekNamedPipe
GetDriveTypeW
GetProcessHeap
RtlPcToFileHeader
RtlUnwindEx
OutputDebugStringW
GetCPInfo
GetStringTypeW
GetLocaleInfoW
LCMapStringW
EncodePointer
InitializeSListHead
GetStartupInfoW
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
CreateSemaphoreW
TlsAlloc
SuspendThread

psapi

GetMappedFileNameW

shell32

SHGetKnownFolderPath
SHGetFolderPathW
SHGetSpecialFolderPathW
CommandLineToArgvW

user32

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

version

VerQueryValueW
GetFileVersionInfoSizeW
GetFileVersionInfoW

winmm

timeGetTime

wtsapi32

WTSQuerySessionInformationW
WTSFreeMemory

rpcrt4

UuidCreate

winhttp

WinHttpConnect
WinHttpSetTimeouts
WinHttpOpenRequest
WinHttpCrackUrl
WinHttpCloseHandle
WinHttpOpen
WinHttpQueryHeaders
WinHttpAddRequestHeaders
WinHttpSendRequest
WinHttpReadData
WinHttpReceiveResponse

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 670KB - Virtual size: 670KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 155KB - Virtual size: 154KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 17KB

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

.gfids
Size: 1024B - Virtual size: 756B

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

.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

e9b5e3e0b22cdec19f9715c90ac06c8d

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: 670KB - Virtual size: 670KB

.rdata Size: 155KB - Virtual size: 154KB

.data Size: 5KB - Virtual size: 17KB

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

.gfids Size: 1024B - Virtual size: 756B

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

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

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

.text
Size: 670KB - Virtual size: 670KB

.rdata
Size: 155KB - Virtual size: 154KB

.data
Size: 5KB - Virtual size: 17KB

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

.gfids
Size: 1024B - Virtual size: 756B

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

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

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