General

  • Target

    2adb8bdadf9867460dedfccd61ab3b0fde0af1211b914611f8ea4920f68eaca8

  • Size

    536KB

  • Sample

    220521-a3sbkaecan

  • MD5

    d181f7b36ac1fa53299a961be35356c5

  • SHA1

    58fba48328ce1964e3846538636f487adc9bebb2

  • SHA256

    2adb8bdadf9867460dedfccd61ab3b0fde0af1211b914611f8ea4920f68eaca8

  • SHA512

    387e35f6ecf7c2030ff2699aeee316b4495be31ec7d62ba06c781511e8beded03668fa518b6b2459b82ad30d3fb5fd6ae55becbe79c9577e9e4b1a287938f160

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

wus

Decoy

generativecoaching.net

skillmosaic.com

practicalmaster.com

12aminmiami.com

instagramsupport.online

mainelse.net

qqysmr.com

wealthxd.com

videoadscreator.com

dltzscl.com

cotaforjulyans.com

forcend.com

shinjukufilm.com

bsq30.com

dragonsrose.net

loganbuys.com

wwwfitnessymusica.com

microbladingdublin.com

corporateiconic.com

sunshinegroupnyc.com

Targets

    • Target

      PL PI.exe

    • Size

      483KB

    • MD5

      a55080b594286b0ccaf24ea05141293d

    • SHA1

      1b7076439313bd90da6d37263a297fb613efc82a

    • SHA256

      0707523c23666b0535673287616ea82b34e810594ddf19c45a0746d1bd697070

    • SHA512

      fbf9b42a524985ca74de35338b0968bc54bae7b5b5693927e8a33d0be3175486966e863fcb1b98433d31ad3186cbdc80799e648e82f2a37c7f81a2a62e4445e1

    • Formbook

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

    • suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata: ET MALWARE FormBook CnC Checkin (GET)

    • Formbook Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks