Analysis

  • max time kernel
    154s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/08/2020, 12:22

General

  • Target
    Product Order pdf pdf pdf pdf.scr
  • Size 88KB
  • Sample200819-9c414m4tba
  • SHA256 c2fad0ca69171eabf05cff3020af18e45b34558b660e5197bdb4c0c072c9cdde
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.yofdyk.com/hha/

Decoy
  • atarairdive.com

  • binanca.com

  • krepostta-sofia.com

  • chiangmaipartys.com

  • bestglobalseo.com

  • rdsri.com

  • immaginaeventi.com

  • lushrox.com

  • kenderia.com

  • goldenbrownacademy.com

  • kiddyquest.com

  • cs-support.online

  • magicovino.com

  • banderasacuadros.com

  • originalducatispareparts.com

  • tfpfleet.com

  • wickedmaple.com

  • fasypeoplesearch.com

  • zggwpmwdcp.com

  • boav11.com

Signatures

  • Formbook

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

  • Formbook Payload 1 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Users\Admin\AppData\Local\Temp\Product Order pdf pdf pdf pdf.scr
      "C:\Users\Admin\AppData\Local\Temp\Product Order pdf pdf pdf pdf.scr" /S
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1044
      • C:\Users\Admin\AppData\Local\Temp\Product Order pdf pdf pdf pdf.scr
        "C:\Users\Admin\AppData\Local\Temp\Product Order pdf pdf pdf pdf.scr" /S
        3⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1680
    • C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Product Order pdf pdf pdf pdf.scr"
        3⤵
        • Deletes itself
        PID:1660

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/964-6-0x00000000009E0000-0x00000000009F6000-memory.dmp

        memory/964-8-0x0000000001E00000-0x0000000001EB8000-memory.dmp

        memory/1240-4-0x0000000004C90000-0x0000000004DB1000-memory.dmp

        memory/1748-3-0x000007FEF7B80000-0x000007FEF7DFA000-memory.dmp