General

  • Target

    request for quotation.js

  • Size

    38KB

  • Sample

    221024-wh19mahhgl

  • MD5

    3a61702420fb229a0a84b53cf0bb5076

  • SHA1

    b3a78182487116c31042ace54af25b3d3b87f603

  • SHA256

    c448671837087699ae4c2fcd35e1958a9d55282120dc6e7bf767c6a032a6e4eb

  • SHA512

    98ebe463de8bb5b34b0d5849189fb8862efd666d7883dd18d8bfb01750782f10b53933c5f8a1e34bd93589e50734d3cfd1519d326170fb9671bd189d8e1c22c3

  • SSDEEP

    768:xbnKOxSotWOCexFFTXBABa5u53NiwjiJ+0lGvK0SaAk:F7tvbFTXeB+o3NiwjiJOK0SaZ

Malware Config

Extracted

Family

wshrat

C2

http://harold.jetos.com:1604

Targets

    • Target

      request for quotation.js

    • Size

      38KB

    • MD5

      3a61702420fb229a0a84b53cf0bb5076

    • SHA1

      b3a78182487116c31042ace54af25b3d3b87f603

    • SHA256

      c448671837087699ae4c2fcd35e1958a9d55282120dc6e7bf767c6a032a6e4eb

    • SHA512

      98ebe463de8bb5b34b0d5849189fb8862efd666d7883dd18d8bfb01750782f10b53933c5f8a1e34bd93589e50734d3cfd1519d326170fb9671bd189d8e1c22c3

    • SSDEEP

      768:xbnKOxSotWOCexFFTXBABa5u53NiwjiJ+0lGvK0SaAk:F7tvbFTXeB+o3NiwjiJOK0SaZ

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks