General

  • Target

    Invoice B2023B.js

  • Size

    3KB

  • Sample

    210429-x7n8cyna7n

  • MD5

    0d155eb2cdaf42d5f145343cb3dd09ad

  • SHA1

    d9499f3e148c1426961adcccb42f2f1c89d9c6fb

  • SHA256

    a7aea824310617598f8685bdb14a01fd962d3cb7a80227f434025540f6f43a2d

  • SHA512

    76881dc768bba5bae6edfea142986b48022e4c67e03fc8ab9cc1599fe81b2d14b429682990ff7c9885a6e797c01c6d8f91f86220e2361f992375fd4552eaba87

Malware Config

Targets

    • Target

      Invoice B2023B.js

    • Size

      3KB

    • MD5

      0d155eb2cdaf42d5f145343cb3dd09ad

    • SHA1

      d9499f3e148c1426961adcccb42f2f1c89d9c6fb

    • SHA256

      a7aea824310617598f8685bdb14a01fd962d3cb7a80227f434025540f6f43a2d

    • SHA512

      76881dc768bba5bae6edfea142986b48022e4c67e03fc8ab9cc1599fe81b2d14b429682990ff7c9885a6e797c01c6d8f91f86220e2361f992375fd4552eaba87

    • 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

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

System Information Discovery

1
T1082

Tasks