General

  • Target

    Pending_Invoice_Bank_Details_kofce_.JS.js

  • Size

    616KB

  • Sample

    240507-j3w47aga3z

  • MD5

    9c3aaa1354531b2f4c194af6be1dfce7

  • SHA1

    cef62c19f65f6985bb473c7b2469c3512f916933

  • SHA256

    3680c60d58b895a8a423ee6ce62f9bfc23effb87522194c1637d67c148b9778d

  • SHA512

    ebc2c1a3d28d7ceab9447baa6c1341183ba17f74de24b3bee6ddaaa84c81d6b4edd97c0f90d3231c643da28520626741b81423593b7d29b08fba4dc2d48f0d97

  • SSDEEP

    12288:+YeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEM+:+YeIrWr/qRigAyX/kngXFbjTLvaH28n1

Malware Config

Extracted

Family

wshrat

C2

http://masterokrwh.duckdns.org:8426

Targets

    • Target

      Pending_Invoice_Bank_Details_kofce_.JS.js

    • Size

      616KB

    • MD5

      9c3aaa1354531b2f4c194af6be1dfce7

    • SHA1

      cef62c19f65f6985bb473c7b2469c3512f916933

    • SHA256

      3680c60d58b895a8a423ee6ce62f9bfc23effb87522194c1637d67c148b9778d

    • SHA512

      ebc2c1a3d28d7ceab9447baa6c1341183ba17f74de24b3bee6ddaaa84c81d6b4edd97c0f90d3231c643da28520626741b81423593b7d29b08fba4dc2d48f0d97

    • SSDEEP

      12288:+YeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEM+:+YeIrWr/qRigAyX/kngXFbjTLvaH28n1

    • 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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks