General

  • Target

    aa207e0f5f2bad97d8a0209d6d5b4583ecb32311aba7c6e996125f0a07c11c02

  • Size

    388KB

  • Sample

    220521-mykr5scff6

  • MD5

    03a68b507c40e441b222f8d8a1c1cdaa

  • SHA1

    e9a8896fe4ef5b40f2e1d88b023d527b3044f270

  • SHA256

    aa207e0f5f2bad97d8a0209d6d5b4583ecb32311aba7c6e996125f0a07c11c02

  • SHA512

    6fb94cdc9d0e10bbeea61e8224954b80bfc9fd9eb3ba40132d6927e5b82930370e4ac204c9e6a805212b57acdaaa1d9c490777f37df4f9c5a9b1020d98d6ee32

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

k2w

Decoy

brittanybeck.com

idapple.mobi

sharoncement.win

smerchenko.com

citizenssenergygroup.com

landhawktactical.com

yilingshenghuo.com

lifa97.com

8160pe.com

sf-purify.com

bloomingamaizing.com

thymeshares.com

rainwatercollectionhq.com

jaseba.net

whoistom.net

gn70.com

payperclickad.info

jessicagorbet.com

portlockproperty.com

mindset-beratung.com

Targets

    • Target

      Aquatherm Rechnungen 384890 _Xlxs.exe

    • Size

      606KB

    • MD5

      82015111b3cffed68fee74b525f3265b

    • SHA1

      e43ae387a8bd5ce994a0529b0e1f0bc6c4ae8af3

    • SHA256

      49f8b73df45213da0f86e871fbd8d231cdfcc30e7ef8041d38ef062884e47b2e

    • SHA512

      54d227662a69606f19f23ddea553445f0f0e197928a12f31cbc24864233a63f4ddcab15293567ca051933b3e05180437077ab4b0c3e4895f2b8c39e702db3372

    • 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

    • Deletes itself

    • 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

Collection

Data from Local System

1
T1005

Tasks