General

  • Target

    Quote.js

  • Size

    333KB

  • Sample

    220627-skk4msdgh6

  • MD5

    4dc50abe34a0f0a9fbb86513fe92b109

  • SHA1

    51a7376ed9e6af9094bdf8a9f862f1a16a5d5485

  • SHA256

    10b0a88ef7baab52a471dce45a090a692a9ff07b5d34c307d7c2d7192dfc42fc

  • SHA512

    e0bd6b22f2cdfcb3fa52aecf9372bb3cbe877b9ac804a121bff1fcd0f0639f26679fbfb0e7664665224b0a7ea9bcce9d43c55467763135870d2898f86c98108a

Malware Config

Targets

    • Target

      Quote.js

    • Size

      333KB

    • MD5

      4dc50abe34a0f0a9fbb86513fe92b109

    • SHA1

      51a7376ed9e6af9094bdf8a9f862f1a16a5d5485

    • SHA256

      10b0a88ef7baab52a471dce45a090a692a9ff07b5d34c307d7c2d7192dfc42fc

    • SHA512

      e0bd6b22f2cdfcb3fa52aecf9372bb3cbe877b9ac804a121bff1fcd0f0639f26679fbfb0e7664665224b0a7ea9bcce9d43c55467763135870d2898f86c98108a

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata: ET MALWARE FormBook CnC Checkin (GET)

    • suricata: ET MALWARE FormBook CnC Checkin (POST) M2

      suricata: ET MALWARE FormBook CnC Checkin (POST) M2

    • Xloader Payload

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks