General

  • Target

    new po775.exe

  • Size

    742KB

  • Sample

    201125-gdl5vnactx

  • MD5

    e5c21682444f59793a1c2704d90ead6d

  • SHA1

    76b0a20b9b86057e42df99e5f5f30be57a06f320

  • SHA256

    a88db831c2dbd27895d7d042a3e4e604bd82caad37d51fccc76dfb81d884ffba

  • SHA512

    a58dba7b794bcd2fb8d966af8a9c1a5e3c08a17e69351c28819b4b5a22419e315433d6169d73e96d891cc1c6c3a365d341c6d06faf6209fcd2e167a4b77b1e05

Malware Config

Extracted

Family

formbook

C2

http://www.firedoom.com/sbmh/

Decoy

edlasyarns.com

rettexo.com

friendlyksa.com

westhighlandwaytours.com

goudmarket.com

turkime.com

wellnysdirect.com

handydanny.net

ylccmakq.com

benefits-sherpa.com

sousolutions.net

lspcall.com

makgxoimisitzer.info

katrinarask.com

istanbulconsulter.net

mingjiaxuan.com

faculdadegraca.com

kikegbwebdesign.com

69ase.com

downrangedynamics.com

Targets

    • Target

      new po775.exe

    • Size

      742KB

    • MD5

      e5c21682444f59793a1c2704d90ead6d

    • SHA1

      76b0a20b9b86057e42df99e5f5f30be57a06f320

    • SHA256

      a88db831c2dbd27895d7d042a3e4e604bd82caad37d51fccc76dfb81d884ffba

    • SHA512

      a58dba7b794bcd2fb8d966af8a9c1a5e3c08a17e69351c28819b4b5a22419e315433d6169d73e96d891cc1c6c3a365d341c6d06faf6209fcd2e167a4b77b1e05

    • Formbook

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

    • 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

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Tasks