Analysis

  • max time kernel
    123s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06/03/2021, 09:19

General

  • Target
    3cf8157c0d82e2e0bba68515d5047ee3.exe
  • Size 812KB
  • Sample210306-2rpgwxjp82
  • SHA256 6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.peiyin.love/mjs/

Decoy
  • i-am-expressions.com

  • jvtnywveba.club

  • lifestorycards.com

  • vio-lence-official.com

  • themusicianchallenge.com

  • lebootenews.com

  • takcherry.com

  • offplannews.com

  • kdgdtools.com

  • 10best-hosting.com

  • glossyrag.com

  • mariettepottsphotography.com

  • lovelyeses.com

  • vualpe.com

  • moqshare.com

  • reikihealingcommunity.com

  • riverrockla.com

  • themaogroup.com

  • pachucosax.com

  • yogeshsuryavanshi.com

Signatures

  • Formbook

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\3cf8157c0d82e2e0bba68515d5047ee3.exe
    "C:\Users\Admin\AppData\Local\Temp\3cf8157c0d82e2e0bba68515d5047ee3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Users\Admin\AppData\Local\Temp\3cf8157c0d82e2e0bba68515d5047ee3.exe
      "C:\Users\Admin\AppData\Local\Temp\3cf8157c0d82e2e0bba68515d5047ee3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3280

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/528-2-0x0000000073D50000-0x000000007443E000-memory.dmp

        memory/528-3-0x0000000000920000-0x0000000000921000-memory.dmp

        memory/528-5-0x0000000005240000-0x0000000005241000-memory.dmp

        memory/528-6-0x0000000005890000-0x0000000005891000-memory.dmp

        memory/528-7-0x00000000052E0000-0x00000000052E1000-memory.dmp

        memory/528-8-0x00000000054F0000-0x00000000054F1000-memory.dmp

        memory/528-9-0x0000000005200000-0x0000000005201000-memory.dmp

        memory/528-10-0x0000000005500000-0x0000000005501000-memory.dmp

        memory/528-11-0x0000000005220000-0x0000000005227000-memory.dmp

        memory/528-12-0x0000000005E70000-0x0000000005EC4000-memory.dmp

        memory/3280-13-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3280-16-0x0000000000ED0000-0x00000000011F0000-memory.dmp