2024-08-22_06550b73416e1bac7bed60dce6af7675_ryuk

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General

Target

2024-08-22_06550b73416e1bac7bed60dce6af7675_ryuk
Size

741KB
MD5

06550b73416e1bac7bed60dce6af7675
SHA1

f6fc47052e696a6cb4d349215900d49460f5f59f
SHA256

2f827d7371556cd09643b7d3caabb7f16947a0f98884466873d54f73ffd68a3d
SHA512

a868b9bb934fc615200b6a97daed5897bf10519971c2c9614cf14939041c2f04bccebe87812e912a2bee3a1e314faa439b243f14e63bfc7a8c7a6c7247f257e3
SSDEEP

12288:mmVR/WFH0O3WYgeWYg955/155/ZrxGKVPpkUIeoo+d4/5PXh:mzFrJKPkU95++Zh

Score

1^/10

Malware Config

Signatures

Files

2024-08-22_06550b73416e1bac7bed60dce6af7675_ryuk
.exe windows:6 windows x64 arch:x64

e36c655dbc2ab60b94d73ff357f6a1c5

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

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

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

06:67:9f:12:d7:ae:f9:4d:e8:48:f4:88:bf:63:c5:a4
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

27/07/2022, 00:00

Not After

26/07/2023, 23:59

Subject

SERIALNUMBER=91420100MABREBKA7B,CN=Wuhan WeBuff TechnoIogy Co.\,Ltd,O=Wuhan WeBuff TechnoIogy Co.\,Ltd,L=Wuhan,ST=Hubei,C=CN,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#132945617374204c616b65204e657720546563686e6f6c6f677920446576656c6f706d656e74205a6f6e65,1.3.6.1.4.1.311.60.2.1.2=#13054875626569,1.3.6.1.4.1.311.60.2.1.3=#1302434e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

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

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

06:67:9f:12:d7:ae:f9:4d:e8:48:f4:88:bf:63:c5:a4
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

27/07/2022, 00:00

Not After

26/07/2023, 23:59

Subject

SERIALNUMBER=91420100MABREBKA7B,CN=Wuhan WeBuff TechnoIogy Co.\,Ltd,O=Wuhan WeBuff TechnoIogy Co.\,Ltd,L=Wuhan,ST=Hubei,C=CN,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#132945617374204c616b65204e657720546563686e6f6c6f677920446576656c6f706d656e74205a6f6e65,1.3.6.1.4.1.311.60.2.1.2=#13054875626569,1.3.6.1.4.1.311.60.2.1.3=#1302434e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

a9:7d:cf:38:68:99:b3:67:2b:de:38:6e:05:a0:91:59:9d:f4:c8:93:91:62:74:aa:9a:ac:54:86:7a:86:cc:b2
Signer

Actual PE Digest

a9:7d:cf:38:68:99:b3:67:2b:de:38:6e:05:a0:91:59:9d:f4:c8:93:91:62:74:aa:9a:ac:54:86:7a:86:cc:b2

Digest Algorithm

sha256

PE Digest Matches

true

24:b6:4b:d0:53:76:f1:0d:67:3d:97:08:2a:f9:8f:ec:e3:ad:76:89
Signer

Actual PE Digest

24:b6:4b:d0:53:76:f1:0d:67:3d:97:08:2a:f9:8f:ec:e3:ad:76:89

Digest Algorithm

sha1

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

PDB Paths

E:\cpp-workspace\WeBuff\x64\Release\WeBuff_x64.pdb

Imports

kernel32

GetModuleFileNameW
CreateEventW
FindNextFileW
FindClose
WideCharToMultiByte
MultiByteToWideChar
CreateFileA
GetFileSize
ReadFile
GetModuleHandleW
GetFileAttributesW
CreateDirectoryW
WriteFile
CreateEventA
Sleep
SetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
CreateFileW
TerminateProcess
SetStdHandle
GetLastError
GetCurrentProcess
Module32NextW
Module32FirstW
GetCurrentProcessId
CreateToolhelp32Snapshot
CloseHandle
WaitForSingleObject
CreateRemoteThread
GetProcAddress
GetModuleHandleA
WriteProcessMemory
VirtualAllocEx
OpenProcess
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindFirstFileExW
GetProcessHeap
HeapSize
ReadConsoleW
GetFileAttributesExW
SetFilePointerEx
FlushFileBuffers
GetConsoleMode
SetEndOfFile
GetConsoleCP
GetFileType
GetTimeZoneInformation
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetTimeFormatW
GetDateFormatW
GetACP
GetStdHandle
GetModuleHandleExW
ExitProcess
HeapFree
HeapReAlloc
HeapAlloc
WriteConsoleW
GetLocalTime
LoadLibraryExW
FreeLibrary
RtlUnwindEx
EncodePointer
DecodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
GetCPInfo
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
SetEvent
ResetEvent
WaitForSingleObjectEx
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetCurrentThreadId
RtlPcToFileHeader
RaiseException
InterlockedPushEntrySList

user32

CharNextW

shell32

SHGetSpecialFolderPathW

ole32

CoInitialize
CoUninitialize

shlwapi

StrCpyW
PathRemoveFileSpecW

Sections

.text
Size: 409KB - Virtual size: 408KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 161KB - Virtual size: 161KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 640B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 121KB - Virtual size: 121KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e36c655dbc2ab60b94d73ff357f6a1c5

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

06:67:9f:12:d7:ae:f9:4d:e8:48:f4:88:bf:63:c5:a4Certificate

Extended Key Usages

Key Usages

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

06:67:9f:12:d7:ae:f9:4d:e8:48:f4:88:bf:63:c5:a4Certificate

Extended Key Usages

Key Usages

a9:7d:cf:38:68:99:b3:67:2b:de:38:6e:05:a0:91:59:9d:f4:c8:93:91:62:74:aa:9a:ac:54:86:7a:86:cc:b2Signer

24:b6:4b:d0:53:76:f1:0d:67:3d:97:08:2a:f9:8f:ec:e3:ad:76:89Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

shell32

ole32

shlwapi

Sections

.text Size: 409KB - Virtual size: 408KB

.rdata Size: 161KB - Virtual size: 161KB

.data Size: 12KB - Virtual size: 23KB

.pdata Size: 19KB - Virtual size: 19KB

.gfids Size: 1024B - Virtual size: 640B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 121KB - Virtual size: 121KB

.reloc Size: 6KB - Virtual size: 5KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

06:67:9f:12:d7:ae:f9:4d:e8:48:f4:88:bf:63:c5:a4
Certificate

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

06:67:9f:12:d7:ae:f9:4d:e8:48:f4:88:bf:63:c5:a4
Certificate

a9:7d:cf:38:68:99:b3:67:2b:de:38:6e:05:a0:91:59:9d:f4:c8:93:91:62:74:aa:9a:ac:54:86:7a:86:cc:b2
Signer

24:b6:4b:d0:53:76:f1:0d:67:3d:97:08:2a:f9:8f:ec:e3:ad:76:89
Signer

.text
Size: 409KB - Virtual size: 408KB

.rdata
Size: 161KB - Virtual size: 161KB

.data
Size: 12KB - Virtual size: 23KB

.pdata
Size: 19KB - Virtual size: 19KB

.gfids
Size: 1024B - Virtual size: 640B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 121KB - Virtual size: 121KB

.reloc
Size: 6KB - Virtual size: 5KB