Overview

overview

10

Static

static

1

57679766d7...c52.js

windows7-x64

10

57679766d7...c52.js

windows10-2004-x64

10

Sharing

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General

  • Target
    40d85b56e7392f84a265c3e43209112c.bin
  • Size 824KB
  • Sample240505-bldyaada93
  • SHA256 64a6e15edb83670237b6c80c8bb4ffae41fc1371937981561fd8a3b010ca1572
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
wshratexecutionpersistencetrojan

Malware Config

Extracted

Family

  • wshrat

C2

  • http://masterokrwh.duckdns.org:8426

Targets

    • Target
      57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52.js
    • Size 2.1MB
    • SHA256 57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    wshratexecutionpersistencetrojan

    • WSHRAT

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

      trojanwshrat

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks