General

  • Target

    RTK009ENF.js

  • Size

    61KB

  • Sample

    220208-bt5qzabfdj

  • MD5

    4aeac345ff0d52f7ea2e9a9b9de73cb4

  • SHA1

    cb3c9866359b2db03f80f9715cc84a3d9e743f12

  • SHA256

    16ee8787395039445c472df4c45834ac3e6299f753764dbe27b9bc031e383a9b

  • SHA512

    266a5a3ac9c6c88325f5234ad16918db5b936aeeffed41d003d340a3c24b05974fb78bb7575f00bff50b6d01da2a0b57d548d4bd51b8691540d982249c7bd6c9

Malware Config

Targets

    • Target

      RTK009ENF.js

    • Size

      61KB

    • MD5

      4aeac345ff0d52f7ea2e9a9b9de73cb4

    • SHA1

      cb3c9866359b2db03f80f9715cc84a3d9e743f12

    • SHA256

      16ee8787395039445c472df4c45834ac3e6299f753764dbe27b9bc031e383a9b

    • SHA512

      266a5a3ac9c6c88325f5234ad16918db5b936aeeffed41d003d340a3c24b05974fb78bb7575f00bff50b6d01da2a0b57d548d4bd51b8691540d982249c7bd6c9

    • 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

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

3
T1082

Tasks