Overview

overview

10

Static

static

PO200519.exe

windows7_x64

10

PO200519.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:54

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General

  • Target
    PO200519.exe
  • Size 327KB
  • Sample201109-dktwk9ep96
  • SHA256 8f71441f8e9db24dceee698de265dab77bda6298ceb4b9bc8cb1d77a54d7229d
  • MD5 SHA1 SHA512
Score
10/10
formbookpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

  • formbook

C2

  • http://www.mafov.com/k91/

Decoy

  • smokelessscience.com

  • jokers.top

  • pankasyno11.com

  • deadbeatdad.store

  • heretogrow.com

  • nwrsales.com

  • 88bifazc.com

  • frankieta.com

  • holius-baekun.com

  • submitsiteto.com

  • simplexconcretemasonry.com

  • mateffy.net

  • workinout.team

  • helloportugalweddings.com

  • lepopeetemporelle.com

  • compoundbarcelona.com

  • mykrobel.net

  • empathicpic.net

  • they-them.com

  • quaticafilms.com

Signatures

  • Formbook

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

    trojanspywarestealerformbook
  • Formbook Payload 1 IoCs
    rat
  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Users\Admin\AppData\Local\Temp\PO200519.exe
      "C:\Users\Admin\AppData\Local\Temp\PO200519.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:580
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Adds policy 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
      • System policy modification
      PID:2728
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PO200519.exe"
        3⤵
          PID:1424

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/2728-1-0x0000000000040000-0x0000000000067000-memory.dmp
          Download

          memory/2728-2-0x0000000000040000-0x0000000000067000-memory.dmp
          Download

          memory/2728-4-0x0000000005760000-0x000000000587C000-memory.dmp
          Download