General

  • Target

    eReceipt.js

  • Size

    23KB

  • Sample

    211020-he8mmsgfg6

  • MD5

    71dd3d13d2f94788ff6ba8c451e14a10

  • SHA1

    e1c7b5de5ed6bd7814ebb6b826292984ca914681

  • SHA256

    5c31139072a9120d3083572fa3404c0b8092c9ad801f0f71146c15256b449d65

  • SHA512

    87055cc1c4407094d270e0559f2c74001cc46ffd824696788b79806db1a75fad3e6a15e0eae642bb9ce648008cb6ed66cc2ce7ba27a466be563a0c43eb806ed1

Malware Config

Extracted

Family

vjw0rm

C2

http://loadcash.duckdns.org:7779

Targets

    • Target

      eReceipt.js

    • Size

      23KB

    • MD5

      71dd3d13d2f94788ff6ba8c451e14a10

    • SHA1

      e1c7b5de5ed6bd7814ebb6b826292984ca914681

    • SHA256

      5c31139072a9120d3083572fa3404c0b8092c9ad801f0f71146c15256b449d65

    • SHA512

      87055cc1c4407094d270e0559f2c74001cc46ffd824696788b79806db1a75fad3e6a15e0eae642bb9ce648008cb6ed66cc2ce7ba27a466be563a0c43eb806ed1

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks