General

  • Target

    PO102983459pdf.zip

  • Size

    121KB

  • Sample

    230112-k9velsff32

  • MD5

    a1371864f2663431d70d858495bc15ec

  • SHA1

    15b19798cd95d33ecdfbfb6387ad68096a62dc3a

  • SHA256

    f3309d927d3fda9e341efc21665b696ce01eb4548938c9e53ccef218e8cf5ba3

  • SHA512

    e549f458faacf3ce06c1f8e74733759f0de00342f94c397a66a150077031605a13c8baaec5e9c6b4a1e81b47a13606828079f86b0844040e897c3f7e58aa3874

  • SSDEEP

    3072:/d7EQF+Yq/pm8s1XSenVA3Lou/ZfmUiYQrf5pvCHS7RmAE:/dIDUNpV8beUiYi4SVmAE

Malware Config

Extracted

Family

wshrat

C2

http://email15ssoscure.mydad.info:7123

Targets

    • Target

      PO102983459pdf.js

    • Size

      188KB

    • MD5

      bc83816244612cf692c88784bf39314e

    • SHA1

      f2b0aebbf7668f78344bcf2c5c6c739b0bdb4152

    • SHA256

      f6cf56fadb9bc380881e8d653e2a9cbca6dd145d66b24b5d61fc8769fb45f12e

    • SHA512

      a552a667c39799f391501bf8419a15147ed2d692543903f1c718ac38a51d89012cc2739be2c6539a06bab1813f5ef7b94782bb87fb18fbbf928a0f835b667e98

    • SSDEEP

      3072:KyBsgQF1zZbbURCftbIpklgVDSxGfmuZnh6csQkFAQ0bamxvEzseGK/6H:KyBvQFIRCNAklgF2GuuZn+JMDreGK2

    • WSHRAT

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

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks