General

  • Target

    receipt.js

  • Size

    139KB

  • Sample

    220621-k3bnxscfcl

  • MD5

    553ae64ec92c74a02701ca3881915b7b

  • SHA1

    a6c4676312e2bb96226fbcddbed738b30d15ec1c

  • SHA256

    5f8233b2a9235541fd9e1b526c546c911dd69e9ee5e917c2540e2123748a6eba

  • SHA512

    0a39079d2a4a2a03356396da5339cce8d8754261437ca74212aa71a19ab6726701404462c82c02914ddb5e7c957871b434a647b592d3266415c4eb906ea687a7

Malware Config

Extracted

Family

vjw0rm

C2

http://zeegod.duckdns.org:9003

Targets

    • Target

      receipt.js

    • Size

      139KB

    • MD5

      553ae64ec92c74a02701ca3881915b7b

    • SHA1

      a6c4676312e2bb96226fbcddbed738b30d15ec1c

    • SHA256

      5f8233b2a9235541fd9e1b526c546c911dd69e9ee5e917c2540e2123748a6eba

    • SHA512

      0a39079d2a4a2a03356396da5339cce8d8754261437ca74212aa71a19ab6726701404462c82c02914ddb5e7c957871b434a647b592d3266415c4eb906ea687a7

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks