Overview

overview

10

Static

static

PO#5099655_PDF.exe

windows7_x64

10

PO#5099655_PDF.exe

windows10_x64

10

Analysis

  • max time kernel
    145s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:35

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General

  • Target
    PO#5099655_PDF.exe
  • Size 622KB
  • Sample201109-945rfcl2n2
  • SHA256 d606ad2f22a8def869afd7e352766c880404a40948ac435d62d136ea7d61efcc
  • MD5 SHA1 SHA512
Score
10/10
formbookpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

  • formbook

C2

  • http://www.porcber.com/b5c/

Decoy

  • cyb-eight.com

  • preciso-de-dinheiro-urgente.com

  • ddanceboutique.com

  • workerid.com

  • maidsmyway.net

  • l5-2rich.com

  • lifecreatestyle.com

  • xn--nachschlssel-klb.com

  • pregallery.com

  • koolbeli.com

  • seprh.com

  • balootweb.com

  • 376nvx.info

  • ecardrive.com

  • northcountysdkids.com

  • leminhezuoshe.com

  • uploadmetothe.cloud

  • privatepracticeangels.com

  • bourse-boursorama.net

  • amberree.com

Signatures

  • Formbook

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

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

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

    spyware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\PO#5099655_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\PO#5099655_PDF.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4752
      • C:\Users\Admin\AppData\Local\Temp\PO#5099655_PDF.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3084
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\SysWOW64\control.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:556
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PO#5099655_PDF.exe"
        3⤵
          PID:808

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/556-6-0x0000000000B60000-0x0000000000B80000-memory.dmp
          Download

          memory/556-7-0x0000000000B60000-0x0000000000B80000-memory.dmp
          Download

          memory/556-9-0x0000000005D70000-0x0000000005E49000-memory.dmp
          Download

          memory/3084-3-0x0000000000400000-0x000000000042A000-memory.dmp
          Download