2024-03-12_e3550b5c49f54d84411124905cda82f0_ryuk

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General

Target

2024-03-12_e3550b5c49f54d84411124905cda82f0_ryuk
Size

303KB
MD5

e3550b5c49f54d84411124905cda82f0
SHA1

47be41f9b5ab06189c475c652845a647a39f23f0
SHA256

f0980d8635b201f6bccf2043ed8823fbdef0978228d315f96c7f5b410dc0f6c9
SHA512

8d59baee6c7f6ab3e0d37786a6e1a3c5c5a40cbdd7ea01aa14a7614fd4c4f33d2108b2c4e8940455b5365f3c912c5584c0153255885b0a0dd93214eeedbecfa4
SSDEEP

3072:M2phnbuW93x2VDiFJdhDQw7MRTKefMw7JZxboX3Bkr:zphnbuM3x2Voa7JZBoCr

Score

1^/10

Malware Config

Signatures

Files

2024-03-12_e3550b5c49f54d84411124905cda82f0_ryuk
.exe windows:10 windows x64 arch:x64

12f877434b778e63d2a0ddc3db73f6a9

Code Sign

33:00:00:00:98:04:58:cb:7f:23:09:b0:9e:00:00:00:00:00:98
Certificate

Issuer

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

Not Before

30/03/2016, 19:21

Not After

30/06/2017, 19:21

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:7AFA-E41C-E142,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

ab:65:80:8b:71:54:46:bf:be:f9:fc:d1:86:ef:57:60:b3:90:41:15:63:05:52:5d:dd:2b:35:c1:e7:14:ba:06
Signer

Actual PE Digest

ab:65:80:8b:71:54:46:bf:be:f9:fc:d1:86:ef:57:60:b3:90:41:15:63:05:52:5d:dd:2b:35:c1:e7:14:ba:06

Digest Algorithm

sha256

PE Digest Matches

false

64:d7:51:d0:87:f6:a6:90:b8:87:6f:13:07:49:0a:43:57:0b:de:07
Signer

Actual PE Digest

64:d7:51:d0:87:f6:a6:90:b8:87:6f:13:07:49:0a:43:57:0b:de:07

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

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: 105KB - Virtual size: 104KB

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

33:00:00:00:98:04:58:cb:7f:23:09:b0:9e:00:00:00:00:00:98Certificate

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

ab:65:80:8b:71:54:46:bf:be:f9:fc:d1:86:ef:57:60:b3:90:41:15:63:05:52:5d:dd:2b:35:c1:e7:14:ba:06Signer

64:d7:51:d0:87:f6:a6:90:b8:87:6f:13:07:49:0a:43:57:0b:de:07Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

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: 105KB - Virtual size: 104KB

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

33:00:00:00:98:04:58:cb:7f:23:09:b0:9e:00:00:00:00:00:98
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

ab:65:80:8b:71:54:46:bf:be:f9:fc:d1:86:ef:57:60:b3:90:41:15:63:05:52:5d:dd:2b:35:c1:e7:14:ba:06
Signer

64:d7:51:d0:87:f6:a6:90:b8:87:6f:13:07:49:0a:43:57:0b:de:07
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: 105KB - Virtual size: 104KB

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