General

  • Target

    File 2.js

  • Size

    51KB

  • Sample

    220616-mrm9paecdk

  • MD5

    199c37a6953be6415f368cafa8525133

  • SHA1

    c28cfdd4d9f80ba3873a134f9f21815e0b6540bc

  • SHA256

    cfe9dc76a15fae96808fa814135113d763fcf418aae410cea34580b15fb00edd

  • SHA512

    4cb1beada3ec189732331926b5db39d51654dbea5ae9bfe764d63636adf788312c2be7513c40186480d4140882b0a251dda292e7437aa3fc8ca437508ba7c044

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed By MustyMoney

C2

104.168.7.110:5552

Mutex

72f64d4ec723544c65ffca1cd7ba4ee6

Attributes
  • reg_key

    72f64d4ec723544c65ffca1cd7ba4ee6

  • splitter

    |'|'|

Targets

    • Target

      File 2.js

    • Size

      51KB

    • MD5

      199c37a6953be6415f368cafa8525133

    • SHA1

      c28cfdd4d9f80ba3873a134f9f21815e0b6540bc

    • SHA256

      cfe9dc76a15fae96808fa814135113d763fcf418aae410cea34580b15fb00edd

    • SHA512

      4cb1beada3ec189732331926b5db39d51654dbea5ae9bfe764d63636adf788312c2be7513c40186480d4140882b0a251dda292e7437aa3fc8ca437508ba7c044

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

      suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    • suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin UA

      suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin UA

    • suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm/WSHRAT Checkin 1

      suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm/WSHRAT Checkin 1

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Modifies Windows Firewall

    • 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

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks