2024-04-18_e4e0edb72ff478fc78c5b327b2c97d1b_ryuk

Sharing

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General

Target

2024-04-18_e4e0edb72ff478fc78c5b327b2c97d1b_ryuk
Size

1.4MB
MD5

e4e0edb72ff478fc78c5b327b2c97d1b
SHA1

65c0674797fb01542850cae85ae18c18885e7768
SHA256

258fefbaedf6296d86e8c0ec45eaba303d20a7cb3b7671f87f9040ff667195ca
SHA512

ce47e0e29f6317dc5306052a04b70b1761c44291b07843d64c9312a19070bc44b3680011316ee8937077396be8c757d9a934e60f1ab321e0552bba1219ea42c4
SSDEEP

12288:gm0/LcONhxlw+7N/dWNC6qDvOBLY2LqwKbCIYC+UgcZ0QcpfHrPkSF:gF/4ONVrv6cv6HewKe/CJgcZ0QCcSF

Score

1^/10

Malware Config

Signatures

Files

2024-04-18_e4e0edb72ff478fc78c5b327b2c97d1b_ryuk
.exe windows:10 windows x64 arch:x64

dea0eb0e4f842b77e0f3ee784082317d

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

33:00:00:01:09:e3:cd:ca:94:10:16:a2:98:00:01:00:00:01:09
Certificate

Issuer

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

Not Before

04/06/2015, 17:42

Not After

04/09/2016, 17:42

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

67:b2:b6:91:0a:d8:d2:f8:5a:3d:46:e5:00:a3:54:f2:a8:4b:b7:51:5c:0d:01:2b:a5:f4:22:16:6a:f0:51:2d
Signer

Actual PE Digest

67:b2:b6:91:0a:d8:d2:f8:5a:3d:46:e5:00:a3:54:f2:a8:4b:b7:51:5c:0d:01:2b:a5:f4:22:16:6a:f0:51:2d

Digest Algorithm

sha256

PE Digest Matches

false

61:3a:79:ac:82:9c:5c:4d:15:3c:90:d7:bc:2a:a4:76:bb:96:89:5a
Signer

Actual PE Digest

61:3a:79:ac:82:9c:5c:4d:15:3c:90:d7:bc:2a:a4:76:bb:96:89:5a

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

PDB Paths

Elevated_MpMiniSigStub.pdb

Imports

kernel32

MultiByteToWideChar
WideCharToMultiByte
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
InitializeCriticalSectionAndSpinCount
RaiseException
TlsGetValue
TlsSetValue
TlsFree
LCMapStringW
SetStdHandle
GetFileType
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW
CreateDirectoryW
SizeofResource
RemoveDirectoryW
WaitForSingleObject
GetSystemDirectoryW
SetFileAttributesW
Sleep
LockResource
DeleteFileW
LoadResource
FindResourceW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateProcessW
GetSystemWindowsDirectoryW
GetExitCodeProcess
HeapSetInformation
GetEnvironmentVariableW
OpenProcess
SetEvent
IsDebuggerPresent
FreeLibrary
GetCurrentProcessId
CloseHandle
Process32FirstW
Process32NextW
GetLastError
CreateToolhelp32Snapshot
LeaveCriticalSection
GetCurrentProcess
TlsAlloc
EnterCriticalSection
EncodePointer

ole32

CoCreateGuid

ntdll

RtlPcToFileHeader
RtlUnwindEx
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: 111KB - Virtual size: 111KB

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: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1.2MB - Virtual size: 1.2MB

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

dea0eb0e4f842b77e0f3ee784082317d

Code Sign

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

Extended Key Usages

33:00:00:01:09:e3:cd:ca:94:10:16:a2:98:00:01:00:00:01:09Certificate

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

67:b2:b6:91:0a:d8:d2:f8:5a:3d:46:e5:00:a3:54:f2:a8:4b:b7:51:5c:0d:01:2b:a5:f4:22:16:6a:f0:51:2dSigner

61:3a:79:ac:82:9c:5c:4d:15:3c:90:d7:bc:2a:a4:76:bb:96:89:5aSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

ole32

ntdll

advapi32

rpcrt4

Sections

.text Size: 111KB - Virtual size: 111KB

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

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

.pdata Size: 7KB - Virtual size: 6KB

.rsrc Size: 1.2MB - Virtual size: 1.2MB

.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

33:00:00:01:09:e3:cd:ca:94:10:16:a2:98:00:01:00:00:01:09
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

67:b2:b6:91:0a:d8:d2:f8:5a:3d:46:e5:00:a3:54:f2:a8:4b:b7:51:5c:0d:01:2b:a5:f4:22:16:6a:f0:51:2d
Signer

61:3a:79:ac:82:9c:5c:4d:15:3c:90:d7:bc:2a:a4:76:bb:96:89:5a
Signer

.text
Size: 111KB - Virtual size: 111KB

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

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

.pdata
Size: 7KB - Virtual size: 6KB

.rsrc
Size: 1.2MB - Virtual size: 1.2MB

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