2024-02-12_d62944b4cdebcb21c834c21f40f7ae0a_ryuk

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General

Target

2024-02-12_d62944b4cdebcb21c834c21f40f7ae0a_ryuk
Size

626KB
MD5

d62944b4cdebcb21c834c21f40f7ae0a
SHA1

115f755fe28d2749c1614596e52dce082d75d6d3
SHA256

f6139c1d0fc975513acd8fa729b84409d3ff7582de41715f3a58a3b16cadd868
SHA512

90701e2db5876f013747db4cab9f78c639188875e1dfd7bc3aa4a9c221c3602e2168f24c716387510394ab34b1ce0c4cac2e7cde58a0f80b8a8cb746c89ebf3d
SSDEEP

12288:wZR65So7kFlupBJ2Aabz30/VfP6VP3sPGGbfCs:bl7kFlupBJ2zbz30FP60PGGr

Score

1^/10

Malware Config

Signatures

Files

2024-02-12_d62944b4cdebcb21c834c21f40f7ae0a_ryuk
.exe windows:6 windows x64 arch:x64

c43e37616e5153a157f6022f169d2b74

Code Sign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:30:63:02:34:f6:be:64:46:a1:73:f2:8d:9d:c1:81
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

14/04/2021, 00:00

Not After

02/05/2024, 23:59

Subject

CN=Altair Engineering Inc.,OU=Systems,O=Altair Engineering Inc.,L=Troy,ST=Michigan,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

71:e1:56:6a:fb:33:91:d5:e9:cf:ad:00:50:d7:90:73:fe:98:e3:1d:f8:af:cb:3e:95:05:e0:a5:d7:3f:8d:21
Signer

Actual PE Digest

71:e1:56:6a:fb:33:91:d5:e9:cf:ad:00:50:d7:90:73:fe:98:e3:1d:f8:af:cb:3e:95:05:e0:a5:d7:3f:8d:21

Digest Algorithm

sha256

PE Digest Matches

false

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

wsock32

WSACleanup
WSAGetLastError
WSAStartup
gethostname

advapi32

SystemFunction036
FreeSid
CheckTokenMembership
AllocateAndInitializeSid
RegGetValueA
GetUserNameA
RegCloseKey
RegOpenKeyExA

netapi32

Netbios

shell32

SHGetFolderPathA
SHCreateDirectoryExA

wintrust

WinVerifyTrust

kernel32

GetStringTypeW
HeapSize
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
Sleep
GetEnvironmentVariableA
CloseHandle
GetExitCodeProcess
OpenProcess
ReadFile
WriteFile
PeekNamedPipe
GetDriveTypeA
GetVolumeInformationA
GetLastError
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ReleaseMutex
WaitForSingleObject
CreateMutexA
CreateEventA
CreateThread
FreeLibrary
GetModuleFileNameA
GetProcAddress
LoadLibraryA
LocalFree
FormatMessageA
GetStdHandle
GetTempPathA
WideCharToMultiByte
GetConsoleCP
GetConsoleOutputCP
ReadConsoleW
WriteConsoleA
SetConsoleCP
SetConsoleOutputCP
CreateFileA
FindClose
FindFirstFileA
FindNextFileA
MapViewOfFile
UnmapViewOfFile
CreateFileMappingA
MultiByteToWideChar
InitializeSRWLock
ReleaseSRWLockExclusive
ReleaseSRWLockShared
AcquireSRWLockExclusive
AcquireSRWLockShared
GetCurrentThreadId
GetExitCodeThread
SetFileTime
QueryPerformanceCounter
QueryPerformanceFrequency
HeapAlloc
HeapFree
GetProcessHeap
GetSystemInfo
GetSystemTimeAsFileTime
GetVersionExA
GetConsoleMode
SetConsoleMode
CreateToolhelp32Snapshot
Process32First
Process32Next
WriteConsoleW
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlCaptureContext
GetModuleFileNameW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
SetLastError
ExitProcess
GetModuleHandleExW
SetConsoleCtrlHandler
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
LockFileEx
UnlockFileEx
SetStdHandle
ExitThread
FreeLibraryAndExitThread
GetCommandLineA
GetCommandLineW
DuplicateHandle
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
FlushFileBuffers
GetTimeZoneInformation
HeapReAlloc
SetEnvironmentVariableW
GetFileSizeEx
SetFilePointerEx
GetCurrentDirectoryW
DeleteFileW
CreateDirectoryW
GetFileAttributesExW
MoveFileExW
SetEndOfFile
ReadConsoleInputW

Sections

.text
Size: 428KB - Virtual size: 428KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 55KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 116KB - Virtual size: 125KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 15KB - Virtual size: 14KB

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

c43e37616e5153a157f6022f169d2b74

Code Sign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

0e:30:63:02:34:f6:be:64:46:a1:73:f2:8d:9d:c1:81Certificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

71:e1:56:6a:fb:33:91:d5:e9:cf:ad:00:50:d7:90:73:fe:98:e3:1d:f8:af:cb:3e:95:05:e0:a5:d7:3f:8d:21Signer

Headers

DLL Characteristics

File Characteristics

Imports

wsock32

advapi32

netapi32

shell32

wintrust

kernel32

Sections

.text Size: 428KB - Virtual size: 428KB

.rdata Size: 55KB - Virtual size: 54KB

.data Size: 116KB - Virtual size: 125KB

.pdata Size: 15KB - Virtual size: 14KB

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

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

0e:30:63:02:34:f6:be:64:46:a1:73:f2:8d:9d:c1:81
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

71:e1:56:6a:fb:33:91:d5:e9:cf:ad:00:50:d7:90:73:fe:98:e3:1d:f8:af:cb:3e:95:05:e0:a5:d7:3f:8d:21
Signer

.text
Size: 428KB - Virtual size: 428KB

.rdata
Size: 55KB - Virtual size: 54KB

.data
Size: 116KB - Virtual size: 125KB

.pdata
Size: 15KB - Virtual size: 14KB

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