General

  • Target

    d226a2f9eb4ac11314978a2f766387cdd8bef3ab422b33795e383598c4e9f96a

  • Size

    256KB

  • Sample

    220521-nqrq6ahbdk

  • MD5

    91c7ed04f7cc1b8d29673fc66aa71e20

  • SHA1

    f412b5ad356c62d190f2d95ffaf7f15ca881489b

  • SHA256

    d226a2f9eb4ac11314978a2f766387cdd8bef3ab422b33795e383598c4e9f96a

  • SHA512

    e40e603f321860a46de133f82f9e7f0bb5afdea070e64a84e974a7c659c12beef9936f88bd07710a1c17ffff9523a8cd6485fc61ed9b5d5261c7d310bc326993

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dmr

Decoy

thietkewebngay.com

fdgre.com

silverbuzzer.com

d55105.com

ccc693.com

diptya.net

oleasalon.com

vjvtjkic.biz

edmsociety.com

siyahmaske.win

lmnp-occasion.com

platocosmos.com

fakua.top

albertabarricade.com

kakaninrecipes.com

bestsmokeapp.com

hotelsitaly.online

brewtopiaapp.com

1q1twoother.men

wwwmaharashtratimes.com

Targets

    • Target

      01308.exe

    • Size

      474KB

    • MD5

      25a53b5fdbe19e341d674b816175d4c9

    • SHA1

      94d9ad37e73e089eaa967ab433351992a3aee500

    • SHA256

      d5231355835fc25fb6f9923639331084ff0ae602929793c263e01eda38d2fa1b

    • SHA512

      baf0f1b5e7454e99485be3a16dd5d19cdde08f71bebf596f854cb0c1a89d640de23caa777cae96bba22ededc587dae9814794f6fc4b0ce8ff9f921d67aaaf59c

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Tasks