General

  • Target

    4a9879a7f5fc93527f80d4fdab885a205649dce0793dda01dda2192528894bac

  • Size

    1.3MB

  • Sample

    241221-vtf76atrfm

  • MD5

    ba144622059d2c1647627a5c594c8f41

  • SHA1

    1e6ff76e4cc062333360dec581788047a35d01da

  • SHA256

    4a9879a7f5fc93527f80d4fdab885a205649dce0793dda01dda2192528894bac

  • SHA512

    e36c36866120bd8b379fbe38ca405799543566045c99e1177abd018afcd106844d6fadeaf6e9dc3f306a57c10f332585d6600ad6117ed5a187ec7155f15c3ed9

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

Malware Config

Targets

    • Target

      4a9879a7f5fc93527f80d4fdab885a205649dce0793dda01dda2192528894bac

    • Size

      1.3MB

    • MD5

      ba144622059d2c1647627a5c594c8f41

    • SHA1

      1e6ff76e4cc062333360dec581788047a35d01da

    • SHA256

      4a9879a7f5fc93527f80d4fdab885a205649dce0793dda01dda2192528894bac

    • SHA512

      e36c36866120bd8b379fbe38ca405799543566045c99e1177abd018afcd106844d6fadeaf6e9dc3f306a57c10f332585d6600ad6117ed5a187ec7155f15c3ed9

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks