General

  • Target

    customerinvoice.js

  • Size

    3KB

  • Sample

    230405-gj6heaea5s

  • MD5

    ba46627336f749aef1adfd78f958212f

  • SHA1

    7fce56ef8cbbf08e12c645d01fa0df595af04cc6

  • SHA256

    f1f985bd12efabd68532363a591006c7d6731eb81c3b4dfde0c87923d9d544b0

  • SHA512

    bb9fcb11217b045266028693f5028082e3511a12761fb760583886e9fe6ce54f0d082c21fd3a7de8f5c4e31d18a772ccfc34755b6122a2b0bca77b4642e2bfd2

Malware Config

Extracted

Family

vjw0rm

C2

http://198.12.123.17:2402

Targets

    • Target

      customerinvoice.js

    • Size

      3KB

    • MD5

      ba46627336f749aef1adfd78f958212f

    • SHA1

      7fce56ef8cbbf08e12c645d01fa0df595af04cc6

    • SHA256

      f1f985bd12efabd68532363a591006c7d6731eb81c3b4dfde0c87923d9d544b0

    • SHA512

      bb9fcb11217b045266028693f5028082e3511a12761fb760583886e9fe6ce54f0d082c21fd3a7de8f5c4e31d18a772ccfc34755b6122a2b0bca77b4642e2bfd2

    • 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.

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks