Analysis

  • max time kernel
    20s
  • max time network
    103s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:33

General

  • Target
    2577a2097b467fa80f6d5dc19bf01928.exe
  • Size 432KB
  • Sample201109-e2qkgk334s
  • SHA256 be100d30450e36b7bdded9c44514e7d3bcf9b24d9ef7f07f1ed6f4b1f9cbf930
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.nimtax.com/ut/

Decoy
  • testestes.com

  • taihaogame.com

  • onlinecomedians.com

  • cheapest-pricelevitra-buy.com

  • ohioriverboats.com

  • heimac100.com

  • justicejava.com

  • lisaseansadvancedskincare.com

  • pattymeyerphotography.com

  • yogijobs.com

  • timelessbabez.com

  • aliandanusha.com

  • comaan.net

  • calomio.com

  • 654we.com

  • charlottesballoons.com

  • ageingtech.com

  • ktdlh.info

  • lafermedecamelia.com

  • ido-expo.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
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2577a2097b467fa80f6d5dc19bf01928.exe
    "C:\Users\Admin\AppData\Local\Temp\2577a2097b467fa80f6d5dc19bf01928.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uUyQzj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70D0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3412
    • C:\Users\Admin\AppData\Local\Temp\2577a2097b467fa80f6d5dc19bf01928.exe
      "C:\Users\Admin\AppData\Local\Temp\2577a2097b467fa80f6d5dc19bf01928.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:904

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/904-2-0x0000000000400000-0x000000000042A000-memory.dmp