Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:08

General

  • Target
    CONFIRM ORDER.exe
  • Size 377KB
  • Sample201109-n3lbn3exvx
  • SHA256 e75e9eb97fb635737341ed9fcfd25471fdd9889e75305bbb6b32bbee19b32d52
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.nyoxibwer.com/20w/

Decoy
  • cofounder.technology

  • mrbajaf.com

  • xn--w9s874cfjq5fk.com

  • haliciogluhali.net

  • vanessadunfordhere.com

  • lookguy.win

  • 91javac.com

  • goldennd.com

  • nwatheeliteteam.net

  • tumpukganda.com

  • clarservicios.com

  • koghana.com

  • workingwithroland.com

  • yellowsocialbox.com

  • under-dawg.com

  • sdtjtzyz.com

  • banditaerialproductions.com

  • newssmog.com

  • tefnmp.men

  • rebelialabel.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 61 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Users\Admin\AppData\Local\Temp\CONFIRM ORDER.exe
      "C:\Users\Admin\AppData\Local\Temp\CONFIRM ORDER.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JvupWZrgHdjg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E1F.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:584
      • C:\Users\Admin\AppData\Local\Temp\CONFIRM ORDER.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1000
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:196
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\CONFIRM ORDER.exe"
        3⤵
          PID:3676

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/196-9-0x0000000000BB0000-0x0000000000BB7000-memory.dmp

          memory/196-10-0x0000000000BB0000-0x0000000000BB7000-memory.dmp

          memory/196-12-0x0000000004190000-0x0000000004272000-memory.dmp

          memory/1000-5-0x0000000000400000-0x000000000042A000-memory.dmp