General

  • Target

    Quote.js

  • Size

    333KB

  • Sample

    220626-x3rrcseba7

  • MD5

    975684a4e4f41819184343aad1824ed8

  • SHA1

    3292e50015630dc896151bafb32049a6521f062d

  • SHA256

    7e99192187bcad849b96bc9cd69254a2e68fef8ad1c73df7a410ba90ef2b898a

  • SHA512

    3c1ebcd24d0305e1685015acf61744f8c8766154309955899309f7bdb7e6c82004201e554aa6f59a68d5c208391478022d4192f8c05631bea64c3e252b26cf11

Malware Config

Targets

    • Target

      Quote.js

    • Size

      333KB

    • MD5

      975684a4e4f41819184343aad1824ed8

    • SHA1

      3292e50015630dc896151bafb32049a6521f062d

    • SHA256

      7e99192187bcad849b96bc9cd69254a2e68fef8ad1c73df7a410ba90ef2b898a

    • SHA512

      3c1ebcd24d0305e1685015acf61744f8c8766154309955899309f7bdb7e6c82004201e554aa6f59a68d5c208391478022d4192f8c05631bea64c3e252b26cf11

    • 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