2024-02-25_4df9b76724d525170deded024ecffcd0_ryuk

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General

Target

2024-02-25_4df9b76724d525170deded024ecffcd0_ryuk
Size

1.1MB
MD5

4df9b76724d525170deded024ecffcd0
SHA1

69de31c6010e0cb7e54197d5aa49a3c0b639f465
SHA256

11981dfffe077b7c079b5666727c4b9901f332bc5c07b1f2f2856d41ac9389e9
SHA512

35f23369d23c6a50ba8f80eb25787f25f9542666c5cf3523378f9d9f55708267a0455c5e39f4a770016d8d51e6619eb3012159daf49130add6a7d9b43ab3ca34
SSDEEP

24576:xSdhdGSkESwRX2o6wmBdDEw1d9YBYvxD+tsImw6LHHY:k3dxSir6wmBdDrQBqD+yIOY

Score

1^/10

Malware Config

Signatures

Files

2024-02-25_4df9b76724d525170deded024ecffcd0_ryuk
.exe windows:5 windows x64 arch:x64

103f194b2224e0c28b62a31ba9e5f2f9

Code Sign

2a:9c:21:ac:aa:a6:3a:3c:58:a7:b9:32:2b:ee:94:8d
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

16/12/2015, 00:00

Not After

16/12/2018, 23:59

Subject

CN=Google Inc,O=Google Inc,L=Mountain View,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

54:f3:7d:a1:71:67:51:bc:6a:8d:0a:d2:74:b2:8b:13
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

12/01/2016, 00:00

Not After

11/04/2027, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G1,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

02:6c:09:03:6c:e4:08:65:bf:36:30:ee:4b:e6:a4:c3:2c:b7:42:3e:65:7c:9c:65:09:5c:8e:a1:b1:e0:23:f4
Signer

Actual PE Digest

02:6c:09:03:6c:e4:08:65:bf:36:30:ee:4b:e6:a4:c3:2c:b7:42:3e:65:7c:9c:65:09:5c:8e:a1:b1:e0:23:f4

Digest Algorithm

sha256

PE Digest Matches

false

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\build\slave\win64-pgo\build\src\out\Release_x64\initialexe\chrome.exe.pdb

Imports

chrome_elf

SignalChromeElf
SignalInitializeCrashReporting

advapi32

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

kernel32

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

psapi

GetMappedFileNameW

shell32

SHGetFolderPathW
ShellExecuteExW
SHGetKnownFolderPath
SHGetSpecialFolderPathW
CommandLineToArgvW

user32

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

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

winmm

timeGetTime

wtsapi32

WTSFreeMemory
WTSQuerySessionInformationW

rpcrt4

UuidCreate

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

winhttp

WinHttpConnect
WinHttpCrackUrl
WinHttpCloseHandle
WinHttpOpenRequest
WinHttpSendRequest
WinHttpSetTimeouts
WinHttpReceiveResponse
WinHttpQueryHeaders
WinHttpAddRequestHeaders
WinHttpOpen
WinHttpReadData

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 720KB - Virtual size: 720KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 160KB - Virtual size: 160KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 35KB - Virtual size: 35KB

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: 141KB - Virtual size: 141KB

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

103f194b2224e0c28b62a31ba9e5f2f9

Code Sign

2a:9c:21:ac:aa:a6:3a:3c:58:a7:b9:32:2b:ee:94:8dCertificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

54:f3:7d:a1:71:67:51:bc:6a:8d:0a:d2:74:b2:8b:13Certificate

Extended Key Usages

Key Usages

02:6c:09:03:6c:e4:08:65:bf:36:30:ee:4b:e6:a4:c3:2c:b7:42:3e:65:7c:9c:65:09:5c:8e:a1:b1:e0:23:f4Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

chrome_elf

advapi32

kernel32

psapi

shell32

user32

version

winmm

wtsapi32

rpcrt4

userenv

winhttp

Exports

Exports

Sections

.text Size: 720KB - Virtual size: 720KB

.rdata Size: 160KB - Virtual size: 160KB

.data Size: 5KB - Virtual size: 19KB

.pdata Size: 35KB - Virtual size: 35KB

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

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

.rsrc Size: 141KB - Virtual size: 141KB

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

2a:9c:21:ac:aa:a6:3a:3c:58:a7:b9:32:2b:ee:94:8d
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

54:f3:7d:a1:71:67:51:bc:6a:8d:0a:d2:74:b2:8b:13
Certificate

02:6c:09:03:6c:e4:08:65:bf:36:30:ee:4b:e6:a4:c3:2c:b7:42:3e:65:7c:9c:65:09:5c:8e:a1:b1:e0:23:f4
Signer

.text
Size: 720KB - Virtual size: 720KB

.rdata
Size: 160KB - Virtual size: 160KB

.data
Size: 5KB - Virtual size: 19KB

.pdata
Size: 35KB - Virtual size: 35KB

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

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

.rsrc
Size: 141KB - Virtual size: 141KB

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