2024-05-04_e67efb66f45e28939efafb75cacde57e_ryuk

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General

Target

2024-05-04_e67efb66f45e28939efafb75cacde57e_ryuk
Size

1.1MB
MD5

e67efb66f45e28939efafb75cacde57e
SHA1

9246322b26f0ad8a953e2fe7b5e98e39db44a29b
SHA256

ab7b62f23fa2f9bb285664ab22cd498aec671de419d836d17d5790e4d647f3d1
SHA512

96616c0b83a23fd818d6d89b7bdfc8a58025331ad0b96c774529490ef7d70372a32c2f1e08e3ff0abe75794a7e9798534206e42117a0c9395d248f327da94601
SSDEEP

24576:71CyW40nt/tsPj+V79eGHQ6d/PNXgvBN2Gfs:4y8nTQk7rDXUoG0

Score

1^/10

Malware Config

Signatures

Files

2024-05-04_e67efb66f45e28939efafb75cacde57e_ryuk
.exe windows:10 windows x64 arch:x64

cf89bf47ac1381ca42b840f22db25cee

Code Sign

33:00:00:00:c6:78:80:36:01:75:1a:69:72:00:00:00:00:00:c6
Certificate

Issuer

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

Not Before

07/09/2016, 17:58

Not After

07/09/2018, 17:58

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:F528-3777-8A76,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:40:96:a9:ee:70:56:fe:cc:07:00:01:00:00:01:40
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=MOPR,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

33:00:00:01:53:27:9d:bf:7c:2c:80:ca:90:00:00:00:00:01:53
Certificate

Issuer

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

Not Before

18/01/2017, 17:37

Not After

12/04/2018, 17:37

Subject

CN=Microsoft Corporation,OU=MOPR,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

9f:38:fa:b2:60:d3:b4:0e:bb:e0:11:7c:74:ea:c7:6f:d5:dd:b7:e2:88:ab:71:de:a7:b5:51:52:c2:93:ad:16
Signer

Actual PE Digest

9f:38:fa:b2:60:d3:b4:0e:bb:e0:11:7c:74:ea:c7:6f:d5:dd:b7:e2:88:ab:71:de:a7:b5:51:52:c2:93:ad:16

Digest Algorithm

sha256

PE Digest Matches

false

85:28:2a:01:9d:6b:30:86:14:8e:11:ab:1e:85:1b:ec:7e:f4:a5:87
Signer

Actual PE Digest

85:28:2a:01:9d:6b:30:86:14:8e:11:ab:1e:85:1b:ec:7e:f4:a5:87

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

FreeLibrary
GetCurrentProcessId
CloseHandle
Process32FirstW
Process32NextW
GetLastError
CreateToolhelp32Snapshot
LeaveCriticalSection
GetCurrentProcess
EnterCriticalSection
FormatMessageW
WideCharToMultiByte
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
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

ole32

CoCreateGuid

ntdll

NtSetInformationFile
RtlUnwindEx
RtlPcToFileHeader
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

advapi32

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

rpcrt4

UuidCreate

Sections

.text
Size: 113KB - Virtual size: 112KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 53KB - Virtual size: 52KB

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: 966KB - Virtual size: 966KB

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

cf89bf47ac1381ca42b840f22db25cee

Code Sign

33:00:00:00:c6:78:80:36:01:75:1a:69:72:00:00:00:00:00:c6Certificate

Extended Key Usages

33:00:00:01:40:96:a9:ee:70:56:fe:cc:07:00:01:00:00:01:40Certificate

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

33:00:00:01:53:27:9d:bf:7c:2c:80:ca:90:00:00:00:00:01:53Certificate

Extended Key Usages

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

Key Usages

9f:38:fa:b2:60:d3:b4:0e:bb:e0:11:7c:74:ea:c7:6f:d5:dd:b7:e2:88:ab:71:de:a7:b5:51:52:c2:93:ad:16Signer

85:28:2a:01:9d:6b:30:86:14:8e:11:ab:1e:85:1b:ec:7e:f4:a5:87Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

ole32

ntdll

advapi32

rpcrt4

Sections

.text Size: 113KB - Virtual size: 112KB

.rdata Size: 53KB - Virtual size: 52KB

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

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

.rsrc Size: 966KB - Virtual size: 966KB

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

33:00:00:00:c6:78:80:36:01:75:1a:69:72:00:00:00:00:00:c6
Certificate

33:00:00:01:40:96:a9:ee:70:56:fe:cc:07:00:01:00:00:01:40
Certificate

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

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

33:00:00:01:53:27:9d:bf:7c:2c:80:ca:90:00:00:00:00:01:53
Certificate

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

9f:38:fa:b2:60:d3:b4:0e:bb:e0:11:7c:74:ea:c7:6f:d5:dd:b7:e2:88:ab:71:de:a7:b5:51:52:c2:93:ad:16
Signer

85:28:2a:01:9d:6b:30:86:14:8e:11:ab:1e:85:1b:ec:7e:f4:a5:87
Signer

.text
Size: 113KB - Virtual size: 112KB

.rdata
Size: 53KB - Virtual size: 52KB

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

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

.rsrc
Size: 966KB - Virtual size: 966KB

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