General

  • Target

    receipt.js

  • Size

    66KB

  • Sample

    220313-t4s42aabhl

  • MD5

    6f3064d19d9af3374af22dd40df47850

  • SHA1

    9a663a6b13430cc5018a23b348850ff76644f5fb

  • SHA256

    779d2a6161c86c42ce9ed2888117b72a6778f050153654a0d9c0aa1e3ec3cfdc

  • SHA512

    f8ba075afddbb3f3f7f64af145cbd9e70c02710689c70d47959f3e9ca38593bc29a6c28896ffb19621802a09981ebf31a96630d9cff115c91e25335f18e21f85

Malware Config

Extracted

Family

vjw0rm

C2

http://zeegod.duckdns.org:9001

Targets

    • Target

      receipt.js

    • Size

      66KB

    • MD5

      6f3064d19d9af3374af22dd40df47850

    • SHA1

      9a663a6b13430cc5018a23b348850ff76644f5fb

    • SHA256

      779d2a6161c86c42ce9ed2888117b72a6778f050153654a0d9c0aa1e3ec3cfdc

    • SHA512

      f8ba075afddbb3f3f7f64af145cbd9e70c02710689c70d47959f3e9ca38593bc29a6c28896ffb19621802a09981ebf31a96630d9cff115c91e25335f18e21f85

    • 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