2024-01-01_d8d53e6c081239792158b595a4ee8339_ryuk

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General

Target

2024-01-01_d8d53e6c081239792158b595a4ee8339_ryuk
Size

512KB
MD5

d8d53e6c081239792158b595a4ee8339
SHA1

6dd7e0af05252ef9da3a290c2c04196b9f183a5d
SHA256

95c6deb84c74577868eaf1c13655a14926f0c48a61f2fb1b386a041a2af2d17f
SHA512

f8acc76879a1bfde0b0b0130eb5d6070af2bdb19ca62814aad1446921188ff26f3b2e18782b73296a9532abe17a81942770e269d944e0ec6577a1e89a37eea0f
SSDEEP

6144:OphnbuH3b72bAr+jP2Voa7JZBOGLFepuMZxqnpg9BPjkw3sMKPjNh/z1Ne64Bvio:YhbuPOAqqGKvXFecWknpcJ5KPj/UqZ

Score

1^/10

Malware Config

Signatures

Files

2024-01-01_d8d53e6c081239792158b595a4ee8339_ryuk
.exe windows:10 windows x64 arch:x64

12f877434b778e63d2a0ddc3db73f6a9

Code Sign

33:00:00:00:ac:63:16:e7:e3:46:55:b3:1c:00:00:00:00:00:ac
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

03-05-2016 17:13

Not After

03-08-2017 17:13

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:C0F4-3086-DEF8,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:3f:bf:e8:2d:c1:ee:0d:27:05:00:01:00:00:01:3f
Certificate

Issuer

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

18-08-2016 20:17

Not After

02-11-2017 20:17

Subject

CN=Microsoft Corporation,OU=AOC,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31-08-2010 22:19

Not After

31-08-2020 22:29

Subject

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03-04-2007 12:53

Not After

03-04-2021 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:f4:e5:a3:b4:c6:7d:a1:61:22:00:00:00:00:00:f4
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06-01-2016 18:39

Not After

06-04-2017 18:39

Subject

CN=Microsoft Corporation,OU=AOC,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06-07-2010 20:40

Not After

06-07-2025 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

d3:49:5f:42:45:76:74:51:19:ec:5b:f8:42:a6:f1:3a:36:5f:5b:f8:e3:e6:0e:66:87:fb:fc:f3:dd:70:aa:2e
Signer

Actual PE Digest

d3:49:5f:42:45:76:74:51:19:ec:5b:f8:42:a6:f1:3a:36:5f:5b:f8:e3:e6:0e:66:87:fb:fc:f3:dd:70:aa:2e

Digest Algorithm

sha256

PE Digest Matches

false

d5:e9:ec:e6:a8:dc:b9:62:34:34:89:70:b3:20:ad:13:14:5f:ec:a3
Signer

Actual PE Digest

d5:e9:ec:e6:a8:dc:b9:62:34:34:89:70:b3:20:ad:13:14:5f:ec:a3

Digest Algorithm

sha1

PE Digest Matches

false

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

Imports

kernel32

IsDebuggerPresent
RaiseException
MultiByteToWideChar
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
TerminateProcess
HeapAlloc
HeapFree
GetProcessHeap
GetModuleFileNameW
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetACP
SetLastError
GetStringTypeW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
DeleteCriticalSection
SetStdHandle
GetFileType
WideCharToMultiByte
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LCMapStringW
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW
EncodePointer
CreateDirectoryW
SizeofResource
RemoveDirectoryW
WaitForSingleObject
GetSystemDirectoryW
SetFileAttributesW
Sleep
LockResource
DeleteFileW
LoadResource
FindResourceW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateProcessW
GetSystemWindowsDirectoryW
GetExitCodeProcess
HeapSetInformation
GetEnvironmentVariableW
GetFileAttributesW
OpenProcess
SetEvent
FormatMessageW
FreeLibrary
GetCurrentProcessId
CloseHandle
Process32FirstW
Process32NextW
GetLastError
CreateToolhelp32Snapshot
LeaveCriticalSection
GetCurrentProcess
EnterCriticalSection

ole32

CoCreateGuid

ntdll

RtlUnwindEx
RtlPcToFileHeader
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

advapi32

RegCloseKey
GetTokenInformation
RegQueryValueExW
AddAccessAllowedAce
GetLengthSid
RegDeleteValueW
RegOpenKeyExW
InitializeAcl
InitializeSecurityDescriptor
FreeSid
OpenProcessToken
RegSetValueExW
IsValidSid
CopySid
RegCreateKeyExW
AllocateAndInitializeSid
SetSecurityDescriptorDacl
TraceMessage

rpcrt4

UuidCreate

Sections

.text
Size: 115KB - Virtual size: 114KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 54KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 118KB - Virtual size: 117KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

12f877434b778e63d2a0ddc3db73f6a9

Code Sign

33:00:00:00:ac:63:16:e7:e3:46:55:b3:1c:00:00:00:00:00:acCertificate

Extended Key Usages

33:00:00:01:3f:bf:e8:2d:c1:ee:0d:27:05:00:01:00:00:01:3fCertificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:00:f4:e5:a3:b4:c6:7d:a1:61:22:00:00:00:00:00:f4Certificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

d3:49:5f:42:45:76:74:51:19:ec:5b:f8:42:a6:f1:3a:36:5f:5b:f8:e3:e6:0e:66:87:fb:fc:f3:dd:70:aa:2eSigner

d5:e9:ec:e6:a8:dc:b9:62:34:34:89:70:b3:20:ad:13:14:5f:ec:a3Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ole32

ntdll

advapi32

rpcrt4

Sections

.text Size: 115KB - Virtual size: 114KB

.rdata Size: 54KB - Virtual size: 53KB

.data Size: 3KB - Virtual size: 8KB

.pdata Size: 7KB - Virtual size: 7KB

.rsrc Size: 118KB - Virtual size: 117KB

.reloc Size: 2KB - Virtual size: 1KB

33:00:00:00:ac:63:16:e7:e3:46:55:b3:1c:00:00:00:00:00:ac
Certificate

33:00:00:01:3f:bf:e8:2d:c1:ee:0d:27:05:00:01:00:00:01:3f
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:00:f4:e5:a3:b4:c6:7d:a1:61:22:00:00:00:00:00:f4
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

d3:49:5f:42:45:76:74:51:19:ec:5b:f8:42:a6:f1:3a:36:5f:5b:f8:e3:e6:0e:66:87:fb:fc:f3:dd:70:aa:2e
Signer

d5:e9:ec:e6:a8:dc:b9:62:34:34:89:70:b3:20:ad:13:14:5f:ec:a3
Signer

.text
Size: 115KB - Virtual size: 114KB

.rdata
Size: 54KB - Virtual size: 53KB

.data
Size: 3KB - Virtual size: 8KB

.pdata
Size: 7KB - Virtual size: 7KB

.rsrc
Size: 118KB - Virtual size: 117KB

.reloc
Size: 2KB - Virtual size: 1KB