General

  • Target

    fe19b21819601fec7281be0f74c46c321b2c8115af1ba7e66e490863e4c240a2

  • Size

    3.2MB

  • Sample

    240515-f293wabc96

  • MD5

    438789fc2753a3a41d1704542bf93769

  • SHA1

    81a6c969c14fc47a15d2574cfb63dee2cbcbf12c

  • SHA256

    fe19b21819601fec7281be0f74c46c321b2c8115af1ba7e66e490863e4c240a2

  • SHA512

    c2ae311e1d852759bcfcc3ad0d0daac2e702a8f95065ce71f6eb104d116cadcbacb6b775c0b646d5f57ec1d2463d3c1749803b1416caa75de5b30a03430e329c

  • SSDEEP

    98304:2smfE8eD0M782w1JSdvi199xP9/ecsFjPSz:2QNBY2S99xl

Malware Config

Targets

    • Target

      fe19b21819601fec7281be0f74c46c321b2c8115af1ba7e66e490863e4c240a2

    • Size

      3.2MB

    • MD5

      438789fc2753a3a41d1704542bf93769

    • SHA1

      81a6c969c14fc47a15d2574cfb63dee2cbcbf12c

    • SHA256

      fe19b21819601fec7281be0f74c46c321b2c8115af1ba7e66e490863e4c240a2

    • SHA512

      c2ae311e1d852759bcfcc3ad0d0daac2e702a8f95065ce71f6eb104d116cadcbacb6b775c0b646d5f57ec1d2463d3c1749803b1416caa75de5b30a03430e329c

    • SSDEEP

      98304:2smfE8eD0M782w1JSdvi199xP9/ecsFjPSz:2QNBY2S99xl

    • DcRat

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

    • Process spawned unexpected child process

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

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Detects executables packed with SmartAssembly

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks