General

  • Target

    4030f9a21683644ad51e2d6c6fcc121d2f0413ed5047a144adfee61b1668afe8.exe

  • Size

    1.7MB

  • Sample

    241211-r3514awrfv

  • MD5

    9fe8f36d8984b0c20ab3c05e692239d7

  • SHA1

    fb06e1b686d106f94da0b7715b665d91022d57ba

  • SHA256

    4030f9a21683644ad51e2d6c6fcc121d2f0413ed5047a144adfee61b1668afe8

  • SHA512

    f7ded57cf10048307be5f8824eadc58c7bb8574173050cecac82d68ea41899facc444f561f554fd22a239263eb81949da138f67ffb57a888f0c987493ccefd7d

  • SSDEEP

    49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKvQ:OTHUxUoh1IF9gl25

Malware Config

Targets

    • Target

      4030f9a21683644ad51e2d6c6fcc121d2f0413ed5047a144adfee61b1668afe8.exe

    • Size

      1.7MB

    • MD5

      9fe8f36d8984b0c20ab3c05e692239d7

    • SHA1

      fb06e1b686d106f94da0b7715b665d91022d57ba

    • SHA256

      4030f9a21683644ad51e2d6c6fcc121d2f0413ed5047a144adfee61b1668afe8

    • SHA512

      f7ded57cf10048307be5f8824eadc58c7bb8574173050cecac82d68ea41899facc444f561f554fd22a239263eb81949da138f67ffb57a888f0c987493ccefd7d

    • SSDEEP

      49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKvQ:OTHUxUoh1IF9gl25

    • DcRat

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

    • Dcrat family

    • Process spawned unexpected child process

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

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks