Analysis

  • max time kernel
    112s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19/01/2022, 09:08

General

  • Target
    be21e8743ff61968060fb9714cdf0094.exe
  • Size 448KB
  • Sample220119-k3xamagfbj
  • SHA256 e9843d569f5bdca339208ffb80c5c0c9a92f20c85828d03b5cdfc9c37bbd598e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • bt33

Decoy
  • mbaonlinefreedegress.info

  • myforevermaid.com

  • daoyi365.com

  • weientm.com

  • legal-mx.com

  • formationrigging.com

  • heidiet.xyz

  • school-prosto.store

  • healthvitaminnutrition.com

  • digitalsolutionusa.com

  • little-bazar.com

  • jnbeautycanada.com

  • optoelek.com

  • learntoairmail.com

  • hawkminer.com

  • kingofearth.love

  • ktnstay.xyz

  • zouxin.love

  • mainlandpr.com

  • mamm-hummel.com

Signatures

  • Formbook

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

  • Formbook Payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be21e8743ff61968060fb9714cdf0094.exe
    "C:\Users\Admin\AppData\Local\Temp\be21e8743ff61968060fb9714cdf0094.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:648
    • C:\Users\Admin\AppData\Local\Temp\be21e8743ff61968060fb9714cdf0094.exe
      "C:\Users\Admin\AppData\Local\Temp\be21e8743ff61968060fb9714cdf0094.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1464

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/648-133-0x00000000004F0000-0x0000000000564000-memory.dmp

        memory/648-134-0x00000000054A0000-0x0000000005A44000-memory.dmp

        memory/648-135-0x0000000004F90000-0x0000000005022000-memory.dmp

        memory/648-136-0x0000000004F30000-0x0000000004F3A000-memory.dmp

        memory/648-137-0x0000000004EF0000-0x0000000005494000-memory.dmp

        memory/648-138-0x0000000007480000-0x000000000751C000-memory.dmp

        memory/1464-139-0x0000000000400000-0x000000000042F000-memory.dmp