2024-08-22_1764805dc78aff4d17cd3d1beab35246_ryuk

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General

Target

2024-08-22_1764805dc78aff4d17cd3d1beab35246_ryuk
Size

741KB
MD5

1764805dc78aff4d17cd3d1beab35246
SHA1

582c12e5a5c2e47bc0bf1cb376ad0c65421cb09c
SHA256

b01fec72727f85499dca19f3f4e1ee9bd2624b3f09398839968e0c8848844e2d
SHA512

9f21d98b98e3c179de00b0f3c96f50637c5e5463ec7fdd4207a43a329e03150d634486e10ed1497cb59e3326402ccf051237b3e0d2ba283b08a357c1a1041139
SSDEEP

12288:GmVQDh2H043WYgeWYg955/155/BY8GLVKFZzVaoo+lozuPo:GT2BfLeZzY5+Gr

Score

1^/10

Malware Config

Signatures

Files

2024-08-22_1764805dc78aff4d17cd3d1beab35246_ryuk
.exe windows:6 windows x64 arch:x64

f5ba9f58b2996edfb48e957a62a1f5ec

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

16:49:49:65:23:fd:cb:1d:a8:62:f7:1a:35:e3:32:bc:c2:2c:39:7d:84:16:5d:fb:32:49:2a:5c:68:65:ed:51
Signer

Actual PE Digest

16:49:49:65:23:fd:cb:1d:a8:62:f7:1a:35:e3:32:bc:c2:2c:39:7d:84:16:5d:fb:32:49:2a:5c:68:65:ed:51

Digest Algorithm

sha256

PE Digest Matches

true

f0:31:82:6e:10:3c:74:16:20:be:89:4e:70:75:6a:78:a3:ba:92:43
Signer

Actual PE Digest

f0:31:82:6e:10:3c:74:16:20:be:89:4e:70:75:6a:78:a3:ba:92:43

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

GetLastError
TerminateProcess
GetModuleFileNameW
CreateEventW
FindNextFileW
FindClose
WideCharToMultiByte
MultiByteToWideChar
CreateFileA
GetFileSize
ReadFile
GetModuleHandleW
GetFileAttributesW
CreateDirectoryW
WriteFile
CreateEventA
Sleep
SetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
GetCurrentProcess
WriteConsoleW
SetStdHandle
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
GetConsoleCP
SetEndOfFile
GetFileType
GetTimeZoneInformation
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetTimeFormatW
GetDateFormatW
GetACP
GetStdHandle
GetModuleHandleExW
ExitProcess
HeapFree
HeapReAlloc
HeapAlloc
CreateFileW
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

f5ba9f58b2996edfb48e957a62a1f5ec

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

16:49:49:65:23:fd:cb:1d:a8:62:f7:1a:35:e3:32:bc:c2:2c:39:7d:84:16:5d:fb:32:49:2a:5c:68:65:ed:51Signer

f0:31:82:6e:10:3c:74:16:20:be:89:4e:70:75:6a:78:a3:ba:92:43Signer

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

16:49:49:65:23:fd:cb:1d:a8:62:f7:1a:35:e3:32:bc:c2:2c:39:7d:84:16:5d:fb:32:49:2a:5c:68:65:ed:51
Signer

f0:31:82:6e:10:3c:74:16:20:be:89:4e:70:75:6a:78:a3:ba:92:43
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