Analysis

  • max time kernel
    43s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    08-08-2022 08:53

General

  • Target

    purchase order.scr

  • Size

    715KB

  • MD5

    78c4f66f2cc6141bb625193b77cbb50a

  • SHA1

    b9bf9128275a92cc3e7f0fddc65de08adf64149b

  • SHA256

    e233d86e74d3846be66e323c4850b495c66658ca63cd28ec1a47a3b0c95f7559

  • SHA512

    b4ea89531126555b6c421c6140fb9bb2f9b5d70721e2ddf172d33f8584526ef21c4960fdf20108ff445afb60fc44223c968697248a1b7cdfb9916296c8243554

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

p94a

Decoy

oootmuim.top

ricondizionato.info

eatarriveoh.top

tuo.wtf

plottaacuse.xyz

maripazcovarrubias.com

pasolaity.sbs

schoolstool.store

davincimuch.net

yh-fl.com

merielchapman.co.uk

omsecuritysolution.com

jqhuafei.com

fypa.site

isdgolf.com

aromasoils.com

dcmaxween.xyz

keilewn.online

billiger-atomstrom.com

chickens93.online

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Formbook payload 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\purchase order.scr
    "C:\Users\Admin\AppData\Local\Temp\purchase order.scr" /S
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 924
      2⤵
      • Program crash
      PID:1584

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1584-64-0x0000000000000000-mapping.dmp
  • memory/1880-54-0x0000000075C41000-0x0000000075C43000-memory.dmp
    Filesize

    8KB

  • memory/1880-63-0x0000000004C00000-0x0000000004C2F000-memory.dmp
    Filesize

    188KB