Extracted

Extracted

• • Target

    TestRat.exe

  • Size

    53KB

  • MD5

    375567221b3e6b66d19d983694ab851d

  • SHA1

    6d1c3453a8ada22ca820b9f9b55b15bc69fcaf6c

  • SHA256

    978905af4ce6c1c0dafd6a96f8fb9c326dbd0374a4c255b23884f567201c8f93

  • SHA512

    7801a7e0ff9af9c4caad445c0cbf8d653e3dd7731cf304b0d3586f6f889ae8238b5e3fa812b94f3704f2f64858f1c12c3c6f3e44e825cd3165fee0d1e626fc19

  • SSDEEP

    1536:h5fvGNjuMDy01hx5kb2cQZBBt/PQXffOnprs:hpausy01h7kb2cWvqffOnpA

  Score

  10^/10

  dcratxwormdiscoveryexecutioninfostealerpersistenceratspywarestealertrojan

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    ratinfostealerdcrat

  • Dcrat family

    dcrat

  • Detect Xworm Payload

  • Modifies WinLogon for persistence

    persistence

  • Process spawned unexpected child process

    This typically indicates the parent process was compromised via an exploit or macro.

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Downloads MZ/PE file

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file

  • Executes dropped EXE

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Adds Run key to start application

    persistence

  • Legitimate hosting services abused for malware hosting/C2

  • Drops file in System32 directory

  behavioral1