General

  • Target

    140ba6dbcbab0fe400ffb839ddf99ee72a7670f81651fefa4e431da69cbdf1b3

  • Size

    308KB

  • Sample

    220521-ntfhashbhj

  • MD5

    969fa6c3c9ed8d2070588778d015a9c3

  • SHA1

    90e5cfd30825a9905aa7e89a6cbb5c8825e23aab

  • SHA256

    140ba6dbcbab0fe400ffb839ddf99ee72a7670f81651fefa4e431da69cbdf1b3

  • SHA512

    399525ab9c6e8040d583c5d22799b5280ed8e854d9151f6cfa680dfdbef671d3d3bfd87f35948ee46853f46dfb15b2d41eec8a0afd7f3c4bfc9fcfe9f0e9e971

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

aueq

Decoy

dewitts.sex

e24b.com

wcond.info

cqycmy.com

pengchengshiye.com

putasmx.com

1e3ten.loan

rnapfrepr.com

exotic-go.com

ogioalpha.com

hsksoft.com

hsjr-media.com

h0a4c6qojbz.biz

shiftopinion.net

subbedepisodes.com

avrv-xjmw-22s-y9.com

europeanmerfest.com

jenniemd.info

gototop.info

shoprachelmonica.com

Targets

    • Target

      DHL Express Shipment Confirmation.exe

    • Size

      394KB

    • MD5

      18c2a768940bd8c992818f2c39243a0d

    • SHA1

      1542dd490ae68f029f4f98d1156926a67730e93a

    • SHA256

      c8cef19967cb820d5e92f85a17ebf98f631de62c9760b1eb1a790cb25961e356

    • SHA512

      ac516f7abf1eed59468c69ceba42541b28baa27c3c88fd244de92564ff806641e505605641f357c816978878699420152f58ca71caf0a673ba8c106b513584fc

    • 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