Analysis

  • max time kernel
    150s
  • max time network
    14s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18/12/2020, 06:45

General

  • Target
    file.exe
  • Size 626KB
  • Sample201218-pl5wmndy8n
  • SHA256 be246c8f7d9d07567fa9618fdacf5658709a1a71f2d61e0b32e89cf9abd499da
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.koku-jieitai.info/w8en/

Decoy
  • kratoscableties.com

  • capialhealth.com

  • crossandcrook.net

  • thesongwriterschool.com

  • serenityhomedits.com

  • ivaporvault.com

  • youhoddler.com

  • my-financial-intelligence.com

  • oshanskincare.com

  • simplytomas.com

  • quayvideohaiphong.com

  • xn--produtosdesade-wrb.com

  • mushroom.supplies

  • tutiendaparagatos.com

  • ppc-listing.info

  • nocturnalgolfcartpeople.com

  • gruzovikov.info

  • lifecoach.works

  • healthacker.com

  • abhisclub.com

Signatures

  • Formbook

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

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1624
    • C:\Windows\SysWOW64\mstsc.exe
      "C:\Windows\SysWOW64\mstsc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:268

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/308-10-0x00000000005F0000-0x00000000006F4000-memory.dmp

          memory/308-12-0x0000000001EF0000-0x0000000001FFE000-memory.dmp

          memory/1096-2-0x0000000074840000-0x0000000074F2E000-memory.dmp

          memory/1096-3-0x0000000001310000-0x0000000001311000-memory.dmp

          memory/1096-5-0x00000000002F0000-0x00000000002F4000-memory.dmp

          memory/1096-6-0x0000000005840000-0x00000000058D3000-memory.dmp

          memory/1624-7-0x0000000000400000-0x0000000000429000-memory.dmp