Resubmissions

13-01-2025 05:28

250113-f59araxqfz 10

12-01-2025 19:36

250112-ybg9aaylfr 10

General

  • Target

    10deea290eb4d8620994434958a5ba14e8669f34a2ab998b65792acad1b49c91N.exe

  • Size

    1.7MB

  • Sample

    250113-f59araxqfz

  • MD5

    a95c577913d17f1786babed3306fed60

  • SHA1

    16106bfac76f6e4f711a9dd7e016cd52fbaeb774

  • SHA256

    10deea290eb4d8620994434958a5ba14e8669f34a2ab998b65792acad1b49c91

  • SHA512

    314edb12b8885f8f9ea83e991b49aafcc629d5325f3439460610cc0046f0f0d1d629cecd79c2a9c48899d07c171253be7e65a6ef27c1434cf5ff55d5043fdec0

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      10deea290eb4d8620994434958a5ba14e8669f34a2ab998b65792acad1b49c91N.exe

    • Size

      1.7MB

    • MD5

      a95c577913d17f1786babed3306fed60

    • SHA1

      16106bfac76f6e4f711a9dd7e016cd52fbaeb774

    • SHA256

      10deea290eb4d8620994434958a5ba14e8669f34a2ab998b65792acad1b49c91

    • SHA512

      314edb12b8885f8f9ea83e991b49aafcc629d5325f3439460610cc0046f0f0d1d629cecd79c2a9c48899d07c171253be7e65a6ef27c1434cf5ff55d5043fdec0

    • SSDEEP

      24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

    • 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