General

  • Target

    INVOICE.exe

  • Size

    725KB

  • Sample

    210510-y5e8ksebnx

  • MD5

    1939130a95b16662cea59b8812f9c505

  • SHA1

    f4103a530615a7c5ae8e712dad07f750ceba9b9a

  • SHA256

    320dab87aef07c03720923504dd0506f7d3e67de57b0067ebf0694966982db89

  • SHA512

    ed6bf56ba3d0883a50641c7f62146b0becd20bf0fefef342ff7afde7855019fe922ced2fd256e6d49eed33095b6b3be02aa524b621fdda203452d69e26b0ae79

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.cheerstogethergifthouse.com/wrcb/

Decoy

tweetbeer.com

bizgrowth.expert

podmir.com

christiankidzhub.com

influencer.care

ido.enterprises

nakedmillion.xyz

nattylinux.net

justbathroomsny.com

luisxe.info

simplecopyshop.com

cometomygame.com

odysseesante.com

stophetcovidvirus.online

laconsultoriadetrafico.com

mediumsusanne.com

sidhusonds.com

nakrutci.com

8939299.com

guarderiajady.com

Targets

    • Target

      INVOICE.exe

    • Size

      725KB

    • MD5

      1939130a95b16662cea59b8812f9c505

    • SHA1

      f4103a530615a7c5ae8e712dad07f750ceba9b9a

    • SHA256

      320dab87aef07c03720923504dd0506f7d3e67de57b0067ebf0694966982db89

    • SHA512

      ed6bf56ba3d0883a50641c7f62146b0becd20bf0fefef342ff7afde7855019fe922ced2fd256e6d49eed33095b6b3be02aa524b621fdda203452d69e26b0ae79

    • 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 Enterprise v6

Tasks