2024-06-04_5515a43e1cf4415b58fadadfd9c0ba9e_ryuk

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General

Target

2024-06-04_5515a43e1cf4415b58fadadfd9c0ba9e_ryuk
Size

1.0MB
MD5

5515a43e1cf4415b58fadadfd9c0ba9e
SHA1

a11611252987b56832f2d214859f6a39fac5c2b8
SHA256

0eeb2b357642c8bfffdbf1ac39d5158a18f9a795e10d180746696f0e9228e74d
SHA512

a12df15a337ce7341c8a375843008f7fa99685687e6c97d2623d85ef5daccfd73edfbe834bec3c80e93f5ed89b5bccc8745ccb5cf1345a2345626ba090b04101
SSDEEP

24576:4U0jGMC0KlayqPnuift1Vo2AxrSvpixmOwJaF2f4wRpbCnOev7rRbib2BMc7TCZD:4S/n+25ac7TWapHIKjq

Score

1^/10

Malware Config

Signatures

Files

2024-06-04_5515a43e1cf4415b58fadadfd9c0ba9e_ryuk
.exe windows:6 windows x64 arch:x64

227241b7bd8f8f8b0031051f50cbe92d

Code Sign

33:00:03:e2:cd:10:66:ad:8d:b8:1c:06:08:00:00:00:03:e2:cd
Certificate

Issuer

CN=Microsoft Azure RSA TLS Issuing CA 07,O=Microsoft Corporation,C=US

Not Before

14/09/2023, 17:24

Not After

08/09/2024, 17:24

Subject

CN=www.microsoft.com,O=Microsoft Corporation,L=Redmond,ST=WA,C=US

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

bf:da:8b:35:2a:dd:88:ee:f5:69:63:d9:59:77:9b:53:a5:34:d1:03:2b:d9:f3:14:0f:24:7b:b1:be:69:df:03
Signer

Actual PE Digest

bf:da:8b:35:2a:dd:88:ee:f5:69:63:d9:59:77:9b:53:a5:34:d1:03:2b:d9:f3:14:0f:24:7b:b1:be:69:df:03

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

ole32

CoCreateInstance
CoInitializeEx
CoInitializeSecurity
CoUninitialize

kernel32

CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateMutexA
CreateProcessA
CreateThread
CreateToolhelp32Snapshot
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FindResourceA
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
FreeResource
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
LoadResource
LocalFree
LockResource
MultiByteToWideChar
Process32First
Process32Next
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SizeofResource
Sleep
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualProtect
WideCharToMultiByte
WriteConsoleA
WriteConsoleW
WriteFile

oleaut32

SysAllocString
SysFreeString
VariantClear
VariantInit

advapi32

CryptAcquireContextA
CryptCreateHash
CryptDecrypt
CryptDeriveKey
CryptDestroyHash
CryptDestroyKey
CryptHashData
CryptReleaseContext
RegCloseKey
RegOpenKeyExW
RegQueryValueExW

user32

DispatchMessageA
GetMessageA
PeekMessageW
PostThreadMessageA

bcrypt

BCryptCloseAlgorithmProvider
BCryptDecrypt
BCryptDestroyKey
BCryptEncrypt
BCryptGenerateSymmetricKey
BCryptGetProperty
BCryptOpenAlgorithmProvider
BCryptSetProperty

ws2_32

WSACleanup
WSAStartup
bind
closesocket
htonl
htons
listen
socket

winhttp

WinHttpAddRequestHeaders
WinHttpCloseHandle
WinHttpConnect
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryDataAvailable
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpSetOption

Sections

.text
Size: 502KB - Virtual size: 502KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 122KB - Virtual size: 121KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

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: 375KB - Virtual size: 374KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

227241b7bd8f8f8b0031051f50cbe92d

Code Sign

33:00:03:e2:cd:10:66:ad:8d:b8:1c:06:08:00:00:00:03:e2:cdCertificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

bf:da:8b:35:2a:dd:88:ee:f5:69:63:d9:59:77:9b:53:a5:34:d1:03:2b:d9:f3:14:0f:24:7b:b1:be:69:df:03Signer

Headers

DLL Characteristics

File Characteristics

Imports

ole32

kernel32

oleaut32

advapi32

user32

bcrypt

ws2_32

winhttp

Sections

.text Size: 502KB - Virtual size: 502KB

.rdata Size: 122KB - Virtual size: 121KB

.data Size: 5KB - Virtual size: 35KB

.pdata Size: 21KB - Virtual size: 21KB

.00cfg Size: 512B - Virtual size: 16B

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

.rsrc Size: 375KB - Virtual size: 374KB

.reloc Size: 3KB - Virtual size: 3KB

33:00:03:e2:cd:10:66:ad:8d:b8:1c:06:08:00:00:00:03:e2:cd
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

bf:da:8b:35:2a:dd:88:ee:f5:69:63:d9:59:77:9b:53:a5:34:d1:03:2b:d9:f3:14:0f:24:7b:b1:be:69:df:03
Signer

.text
Size: 502KB - Virtual size: 502KB

.rdata
Size: 122KB - Virtual size: 121KB

.data
Size: 5KB - Virtual size: 35KB

.pdata
Size: 21KB - Virtual size: 21KB

.00cfg
Size: 512B - Virtual size: 16B

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

.rsrc
Size: 375KB - Virtual size: 374KB

.reloc
Size: 3KB - Virtual size: 3KB