2024-01-25_94a5ce49a5d2f4e5a0ca9aab4f73b5ef_ryuk

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General

Target

2024-01-25_94a5ce49a5d2f4e5a0ca9aab4f73b5ef_ryuk
Size

4.8MB
MD5

94a5ce49a5d2f4e5a0ca9aab4f73b5ef
SHA1

de768faa583e7f832b27caf80d59c50ad7cf5b45
SHA256

3246901b70ef59ea399e78c143b6da5d9d36d18503ef4fdafbf00d2cbff5000e
SHA512

c23df99f314cb14289189c4a692499cf4b9a8c84245b6f548b3136b24a59a08cf37dfdc7cd7f061686c82872156348ea34e2b891fcea19b70be1e59ac2fbd055
SSDEEP

49152:DYw0GpQaBRCI1eU/IGd6eK1jBlIjn7acv4cxg3T+x+BLFQ93h5hzBY23uykk:zBw+CYg3lLFQ9vhzBY2lp

Score

1^/10

Malware Config

Signatures

Files

2024-01-25_94a5ce49a5d2f4e5a0ca9aab4f73b5ef_ryuk
.exe windows:6 windows x64 arch:x64

3e32fa872777e44ba768537aa1fe8555

Code Sign

77:bd:0e:03:a1:b7:08:f8:54:ab:06:72:10:d9:04:47
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

28-07-2020 00:00

Not After

28-07-2030 00:00

Subject

CN=GlobalSign GCC R45 CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

40:ff:d3:74:43:68:55:41:49:22:99:bb
Certificate

Issuer

CN=GlobalSign GCC R45 CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Not Before

18-05-2023 09:05

Not After

18-05-2024 09:05

Subject

CN=北京长亭未来科技有限公司,OU=产品研发中心-产品部,O=北京长亭未来科技有限公司,L=北京,ST=北京,C=CN

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

cf:af:f1:73:f8:21:a6:73:7f:fc:46:90:e5:7c:8e:66:8e:fc:2a:9d:08:c4:ad:9e:e9:75:76:b5:bf:af:11:ec
Signer

Actual PE Digest

cf:af:f1:73:f8:21:a6:73:7f:fc:46:90:e5:7c:8e:66:8e:fc:2a:9d:08:c4:ad:9e:e9:75:76:b5:bf:af:11:ec

Digest Algorithm

sha256

PE Digest Matches

true

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

ntdll

NtCancelIoFileEx
NtCreateFile
NtDeviceIoControlFile
NtQueryInformationProcess
NtQuerySystemInformation
NtReadFile
NtWriteFile
RtlCaptureContext
RtlGetVersion
RtlLookupFunctionEntry
RtlNtStatusToDosError
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind

powrprof

CallNtPowerInformation

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CancelIo
CloseHandle
CompareStringOrdinal
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
CreateIoCompletionPort
CreateMutexA
CreateNamedPipeW
CreateProcessW
CreateThread
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DuplicateHandle
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessIoCounters
GetProcessTimes
GetQueuedCompletionStatusEx
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetSystemTimes
GetTickCount64
GetWindowsDirectoryW
GlobalMemoryStatusEx
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LocalFree
MoveFileExW
MultiByteToWideChar
OpenProcess
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadFile
ReadFileEx
ReadProcessMemory
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RemoveDirectoryW
SetConsoleMode
SetConsoleTextAttribute
SetEnvironmentVariableW
SetFileInformationByHandle
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadStackGuarantee
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UpdateProcThreadAttribute
VirtualQueryEx
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
WriteFileEx

shell32

CommandLineToArgvW

advapi32

CopySid
GetLengthSid
GetTokenInformation
IsValidSid
LookupAccountSidW
OpenProcessToken
SystemFunction036

psapi

GetModuleFileNameExW
GetPerformanceInfo

secur32

LsaEnumerateLogonSessions
LsaFreeReturnBuffer
LsaGetLogonSessionData

netapi32

NetApiBufferFree
NetUserEnum
NetUserGetInfo

pdh

PdhAddEnglishCounterW
PdhCloseQuery
PdhCollectQueryData
PdhGetFormattedCounterValue
PdhOpenQueryA
PdhRemoveCounter

bcrypt

BCryptGenRandom

Sections

.text
Size: 3.1MB - Virtual size: 3.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 135KB - Virtual size: 134KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 1024B - Virtual size: 681B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 48B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 39KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3e32fa872777e44ba768537aa1fe8555

Code Sign

77:bd:0e:03:a1:b7:08:f8:54:ab:06:72:10:d9:04:47Certificate

Extended Key Usages

Key Usages

40:ff:d3:74:43:68:55:41:49:22:99:bbCertificate

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

cf:af:f1:73:f8:21:a6:73:7f:fc:46:90:e5:7c:8e:66:8e:fc:2a:9d:08:c4:ad:9e:e9:75:76:b5:bf:af:11:ecSigner

Headers

DLL Characteristics

File Characteristics

Imports

ntdll

powrprof

kernel32

shell32

advapi32

psapi

secur32

netapi32

pdh

bcrypt

Sections

.text Size: 3.1MB - Virtual size: 3.1MB

.rdata Size: 1.5MB - Virtual size: 1.5MB

.data Size: 4KB - Virtual size: 17KB

.pdata Size: 135KB - Virtual size: 134KB

.00cfg Size: 512B - Virtual size: 40B

.tls Size: 1024B - Virtual size: 681B

.voltbl Size: 512B - Virtual size: 48B

_RDATA Size: 512B - Virtual size: 244B

.reloc Size: 39KB - Virtual size: 38KB

77:bd:0e:03:a1:b7:08:f8:54:ab:06:72:10:d9:04:47
Certificate

40:ff:d3:74:43:68:55:41:49:22:99:bb
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

cf:af:f1:73:f8:21:a6:73:7f:fc:46:90:e5:7c:8e:66:8e:fc:2a:9d:08:c4:ad:9e:e9:75:76:b5:bf:af:11:ec
Signer

.text
Size: 3.1MB - Virtual size: 3.1MB

.rdata
Size: 1.5MB - Virtual size: 1.5MB

.data
Size: 4KB - Virtual size: 17KB

.pdata
Size: 135KB - Virtual size: 134KB

.00cfg
Size: 512B - Virtual size: 40B

.tls
Size: 1024B - Virtual size: 681B

.voltbl
Size: 512B - Virtual size: 48B

_RDATA
Size: 512B - Virtual size: 244B

.reloc
Size: 39KB - Virtual size: 38KB