2024-01-23_19ffd5974392c5bc8d4283230a0b2e89_ryuk

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General

Target

2024-01-23_19ffd5974392c5bc8d4283230a0b2e89_ryuk
Size

693KB
MD5

19ffd5974392c5bc8d4283230a0b2e89
SHA1

58085a2e4f916cc5cb62964d98e69f7556733a1e
SHA256

5deb5e69575f7c64f14b17420f571442b1375db83fa2c573f418d5114bb6eef4
SHA512

19a4805241831fdc05ed8fe6ed64188d91d68aaf4272adb55fc27598396fad093bd0b2a36f40ae0768d0efea62977b95d362c933c64cb6e0a29673f3073d6340
SSDEEP

12288:PAaSflnMjKDuS+3RTWDH6/UVvdvfDl7rIXEJyvfGtxdvJ6t5W:PNSflnMjKDuSyz/8v7xZJyn+vs5W

Score

1^/10

Malware Config

Signatures

Files

2024-01-23_19ffd5974392c5bc8d4283230a0b2e89_ryuk
.exe windows:5 windows x64 arch:x64

6c1457c2661497b0f303a11344d68510

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

01
Certificate

Issuer

CN=Mikjod Xecret,O=Ojaft Jiblywji Oo,L=Awasdufm,ST=Suglihuqu,C=GB

Not Before

17/05/2016, 15:20

Not After

17/05/2017, 15:20

Subject

CN=Secf Lepto,O=Ojaft Jiblywji Oo,L=Awasdufm,ST=Suglihuqu,C=GB

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

79:61:2f:cb:27:37:50:e0:9b:67:58:72:83:8d:47:db:61:0f:fd:a1
Signer

Actual PE Digest

79:61:2f:cb:27:37:50:e0:9b:67:58:72:83:8d:47:db:61:0f:fd:a1

Digest Algorithm

sha1

PE Digest Matches

true

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

Imports

kernel32

MultiByteToWideChar
WideCharToMultiByte
GetVersionExW
lstrcmpiW
LoadLibraryExW
CreateMutexW
SetEvent
GetCommandLineW
GetCurrentThreadId
GlobalAlloc
GlobalLock
GlobalUnlock
SetLastError
GlobalHandle
GlobalFree
MulDiv
lstrcmpW
CreateThread
Sleep
FindClose
GetCurrentProcessId
GetModuleHandleA
DeviceIoControl
CreateFileA
WriteConsoleW
ReadConsoleW
SetStdHandle
FindNextFileW
FindFirstFileExW
GetCommandLineA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
SetFilePointerEx
GetConsoleMode
GetConsoleCP
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetFileType
GetACP
GetStdHandle
ExitProcess
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
RtlUnwindEx
RtlPcToFileHeader
GetCPInfo
GetLocaleInfoW
LCMapStringW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetStringTypeW
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
WaitForSingleObjectEx
ResetEvent
LoadLibraryExA
VirtualFree
VirtualAlloc
FlushInstructionCache
GetCurrentProcess
InterlockedPushEntrySList
InterlockedPopEntrySList
InitializeSListHead
EncodePointer
OutputDebugStringW
IsDebuggerPresent
GetModuleFileNameW
GetModuleHandleW
SetFilePointer
CreateEventW
WaitForSingleObject
GetProcAddress
CreateWaitableTimerW
GetProcessHeap
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
HeapDestroy
FlushFileBuffers
SetEndOfFile
WriteFile
ReadFile
CreateFileW
LockResource
SizeofResource
FindResourceExW
LoadResource
FindResourceW
CloseHandle
InitializeCriticalSectionAndSpinCount
GetLastError
DecodePointer
RaiseException
FreeLibrary
LoadLibraryW
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection

user32

ShowWindow
GetForegroundWindow
GetWindowRect
GetSystemMetrics
GetWindowInfo
SetWindowPos
SetTimer
GetCursorPos
LoadMenuW
GetSubMenu
SetForegroundWindow
TrackPopupMenuEx
DestroyMenu
SendMessageW
KillTimer
PostMessageW
RegisterWindowMessageW
UnregisterClassW
UpdateWindow
CreateAcceleratorTableW
GetDlgItem
CharNextW
GetActiveWindow
PostThreadMessageW
GetWindow
MapDialogRect
SendDlgItemMessageW
CharUpperW
GetWindowTextLengthW
GetWindowTextW
SetWindowTextW
BeginPaint
EndPaint
IsChild
SetWindowContextHelpId
SetFocus
IsWindow
GetClassNameW
GetSysColor
RedrawWindow
GetClassInfoExW
CreateWindowExW
DestroyWindow
GetFocus
ClientToScreen
GetParent
ScreenToClient
MoveWindow
SetCapture
ReleaseCapture
FillRect
GetClientRect
InvalidateRgn
CallWindowProcW
InvalidateRect
GetDC
ReleaseDC
GetDesktopWindow
DestroyAcceleratorTable
SetWindowLongPtrW
GetWindowLongPtrW
GetWindowLongW
SetWindowLongW
DefWindowProcW
LoadCursorW
RegisterClassExW
DialogBoxIndirectParamW
EndDialog

gdi32

CreateSolidBrush
CreateCompatibleDC
CreateCompatibleBitmap
SelectObject
DeleteObject
BitBlt
DeleteDC
GetStockObject
GetObjectW
GetDeviceCaps

advapi32

SystemFunction036
RegDeleteValueW
RegSetValueExW
RegEnumKeyExW
RegQueryInfoKeyW
RegDeleteKeyW
RegQueryValueExW
RegCreateKeyExW
RegOpenKeyA
RegCloseKey
RegQueryValueExA
RegOpenKeyExW

shell32

CommandLineToArgvW
SHGetFolderPathW
ord165

ole32

CoTaskMemFree
CoCreateInstance
CoCreateGuid
StringFromGUID2
CoTaskMemRealloc
CoTaskMemAlloc
CoResumeClassObjects
CoReleaseServerProcess
CoAddRefServerProcess
CreateStreamOnHGlobal
OleUninitialize
OleLockRunning
CoGetClassObject
CLSIDFromProgID
CLSIDFromString
CoInitialize
CoUninitialize
CoRegisterClassObject
CoRevokeClassObject
OleInitialize

oleaut32

SysFreeString
VariantClear
VarUI4FromStr
SysStringLen
RegisterTypeLi
UnRegisterTypeLi
DispCallFunc
VariantInit
OleCreateFontIndirect
SysAllocStringLen
LoadTypeLi
LoadRegTypeLi
SysAllocString

shlwapi

PathRemoveFileSpecA
PathStripPathW
PathAppendW
PathRemoveFileSpecW
PathAppendA

wininet

InternetCloseHandle
InternetReadFile
InternetOpenUrlW
InternetOpenW

Sections

.text
Size: 442KB - Virtual size: 442KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 166KB - Virtual size: 166KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 608B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 51KB - Virtual size: 50KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6c1457c2661497b0f303a11344d68510

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

01Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

79:61:2f:cb:27:37:50:e0:9b:67:58:72:83:8d:47:db:61:0f:fd:a1Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

shlwapi

wininet

Sections

.text Size: 442KB - Virtual size: 442KB

.rdata Size: 166KB - Virtual size: 166KB

.data Size: 5KB - Virtual size: 13KB

.pdata Size: 17KB - Virtual size: 16KB

.gfids Size: 1024B - Virtual size: 608B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 51KB - Virtual size: 50KB

.reloc Size: 4KB - Virtual size: 4KB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

01
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

79:61:2f:cb:27:37:50:e0:9b:67:58:72:83:8d:47:db:61:0f:fd:a1
Signer

.text
Size: 442KB - Virtual size: 442KB

.rdata
Size: 166KB - Virtual size: 166KB

.data
Size: 5KB - Virtual size: 13KB

.pdata
Size: 17KB - Virtual size: 16KB

.gfids
Size: 1024B - Virtual size: 608B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 51KB - Virtual size: 50KB

.reloc
Size: 4KB - Virtual size: 4KB