General

  • Target

    31791ad0d3707ca7ffcc7d970c9a70853fded91505dc019d7f7460a42814317e

  • Size

    353KB

  • Sample

    220521-n3lqnseee6

  • MD5

    219b8eea3a397ce0a31333fa6bae9d46

  • SHA1

    53c9b81ab30ced6032fd110374bafe42ff9a54b5

  • SHA256

    31791ad0d3707ca7ffcc7d970c9a70853fded91505dc019d7f7460a42814317e

  • SHA512

    9d4bd7f6f602e7165c1802c94198ed389b46090db6672abb9a3ad7fe087637230d7a1469501b07bb41e982b8aeaa022890c3fee1f3671c97496b8fbb257dba89

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cfo

Decoy

onebrothkitchen.com

mayitoujiao.com

carnevilfestival.com

journalcase.com

innovatpipe.net

topratedhomeappliances.com

parsian-turkey.com

lucindabinteriors.com

sjtellor.com

spicegive.com

palcoprep.com

happy199.com

haydenwalker.com

txlvyin.com

danielmurbach.com

maisondeyul.net

teamworkalu.com

kitu.ltd

kingfisherexports.com

doggystyle-by-chloe.com

Targets

    • Target

      RFQ47692762531096734.PDF.exe

    • Size

      629KB

    • MD5

      90f4a814fbfb89fab340e578699e5c36

    • SHA1

      bf152875df107a6529e8c81e753496775dcedcc0

    • SHA256

      f5d46fa7215a9fbc068c2c7c49ec8156b45d6199cac87e9c08cda6647aa4517e

    • SHA512

      e7044248d00e5ec4aeb821499d1398ff9c2a022f75058dcc17422ed8d4a93edfcfd9574e72e06e0215f2ae91e4a83579cc17862d05d0204eb65e4e292e29df4b

    • 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

    • 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