General

  • Target

    7edf47625d7ec6193d213e89f20a4dc06ee09254b06c99bf02cc36fa00e30e96

  • Size

    380KB

  • Sample

    220521-n2dnnsedh6

  • MD5

    8873f4ced24361d30f2d2b106ce8591d

  • SHA1

    e5611e4f03910a405ede3d2a86641c4e1203c066

  • SHA256

    7edf47625d7ec6193d213e89f20a4dc06ee09254b06c99bf02cc36fa00e30e96

  • SHA512

    a97f0b7129000bb59cc6dc9b561ea789f25dbba44e238a22c1a24d6b63afb4c0ed65f53871e874dece3a80ecbdae74eb514aa8c4a73fa33c435b9e9dee77019f

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bs5

Decoy

sr868.com

gdkzs.com

officialhotel.deals

ybzb-home.com

rentcar10.com

guccisaleoutlets.com

0pe781.com

271ope.com

waltonqualitymaids.net

faithshare.online

jlclszy.com

sparkgreen.info

garajeyas.seat

0cs3fgmo6l.info

qaci.ltd

moontrak.com

yerbadeoro.com

thesuperinterior.com

pacicctemp.com

fotofilastudio.com

Targets

    • Target

      Swift Copy #09765.exe

    • Size

      690KB

    • MD5

      f3b1bf9839a7f65a913e8298bb9ded82

    • SHA1

      c1b180b445500bbfbec473409683fb150afea3a2

    • SHA256

      ea9d8c28e623cbabc1407aa3da7a681adb93ef3e758fe31aaf664ff3998cddb5

    • SHA512

      ce230ee76f1cce30226df6a5f15e7f807638a7e356e44cc17bb60aac84630975b2ce516f129e8addb0483ae72be5991ab9c495f3f18be97a913a46b57dbfb0d4

    • 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)

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

      suricata: ET MALWARE FormBook CnC Checkin (POST) M2

    • Formbook Payload

    • Adds policy Run key to start application

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • 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

Collection

Data from Local System

1
T1005

Tasks