General

  • Target

    swiftcopy29,000-pdf.js

  • Size

    851KB

  • Sample

    230303-qeyfnshe78

  • MD5

    937dc6d86aaec946b8b1a85c18dfc0f9

  • SHA1

    54cffa114d9190531e7ea511fcb3366891cdec78

  • SHA256

    0709e45b9186e29e63b1201836886b878e3d58ab49839aad499982909e6f2a70

  • SHA512

    21239b6c8b1fef9cf1589110c43d586a42bf74fdabc9782df92042bc80c0ff66147837d227b02ec039d0ceac66a6ca2135edfeaab0f207b934157cd51daf3ea5

  • SSDEEP

    6144:ZPCzWsMvIvVtVys9ViggID8N7dxjZNQySzE70Gd:0MvQ/VnQAD8JdxjZKO0Gd

Malware Config

Extracted

Family

wshrat

C2

http://109.206.240.41:5802

Targets

    • Target

      swiftcopy29,000-pdf.js

    • Size

      851KB

    • MD5

      937dc6d86aaec946b8b1a85c18dfc0f9

    • SHA1

      54cffa114d9190531e7ea511fcb3366891cdec78

    • SHA256

      0709e45b9186e29e63b1201836886b878e3d58ab49839aad499982909e6f2a70

    • SHA512

      21239b6c8b1fef9cf1589110c43d586a42bf74fdabc9782df92042bc80c0ff66147837d227b02ec039d0ceac66a6ca2135edfeaab0f207b934157cd51daf3ea5

    • SSDEEP

      6144:ZPCzWsMvIvVtVys9ViggID8N7dxjZNQySzE70Gd:0MvQ/VnQAD8JdxjZKO0Gd

    • 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

    • 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 v6

Tasks