Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    19/11/2021, 04:16

General

  • Target
    Specifications and size of spiral panel insulated door.exe
  • Size 407KB
  • Sample211119-evta4scba7
  • SHA256 eec7134cc1487d8774af92e127422beaadfda308d32039afaec0c815ca70dc5c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • wk31

C2
  • http://www.firstho.com/wk31/

Decoy
  • soroban.xyz

  • irfirstaid.com

  • irsaycollection.com

  • thebardownstairsasheville.com

  • facebookmeta.business

  • paypalsupportclient.com

  • metaversusfacebook.com

  • litakparuikamazon.com

  • rivianmotorcompany.com

  • metaversepro.us

  • ikramfamilypractice.com

  • bitcoinfuturesetfs.online

  • 5donline.com

  • rosemount.us

  • nicole-steinfort.com

  • performanceautorepairsj.com

  • scrabblecheats.us

  • kjg67amazon.com

  • formerlyknownasfacebook.com

  • youtubeandgooglepay.online

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\Specifications and size of spiral panel insulated door.exe
      "C:\Users\Admin\AppData\Local\Temp\Specifications and size of spiral panel insulated door.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3504
      • C:\Users\Admin\AppData\Local\Temp\Specifications and size of spiral panel insulated door.exe
        "C:\Users\Admin\AppData\Local\Temp\Specifications and size of spiral panel insulated door.exe"
        3⤵
          PID:3444
        • C:\Users\Admin\AppData\Local\Temp\Specifications and size of spiral panel insulated door.exe
          "C:\Users\Admin\AppData\Local\Temp\Specifications and size of spiral panel insulated door.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4028
      • C:\Windows\SysWOW64\NETSTAT.EXE
        "C:\Windows\SysWOW64\NETSTAT.EXE"
        2⤵
        • Suspicious use of SetThreadContext
        • Gathers network information
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2208
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\Specifications and size of spiral panel insulated door.exe"
          3⤵
            PID:1628

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/2208-139-0x0000000000B70000-0x0000000000C04000-memory.dmp

            memory/2208-138-0x0000000000E00000-0x0000000001120000-memory.dmp

            memory/2208-135-0x0000000001310000-0x000000000131B000-memory.dmp

            memory/2208-136-0x00000000003C0000-0x00000000003EF000-memory.dmp

            memory/3044-133-0x0000000002570000-0x000000000266C000-memory.dmp

            memory/3044-140-0x0000000005F30000-0x00000000060AF000-memory.dmp

            memory/3504-124-0x00000000056E0000-0x00000000056E6000-memory.dmp

            memory/3504-127-0x0000000007C90000-0x0000000007CF4000-memory.dmp

            memory/3504-126-0x00000000079F0000-0x00000000079F1000-memory.dmp

            memory/3504-125-0x0000000007A80000-0x0000000007A81000-memory.dmp

            memory/3504-118-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

            memory/3504-123-0x00000000052D0000-0x00000000057CE000-memory.dmp

            memory/3504-122-0x0000000005350000-0x0000000005351000-memory.dmp

            memory/3504-121-0x0000000005370000-0x0000000005371000-memory.dmp

            memory/3504-120-0x00000000057D0000-0x00000000057D1000-memory.dmp

            memory/4028-128-0x0000000000400000-0x000000000042F000-memory.dmp

            memory/4028-132-0x0000000001E00000-0x0000000001E15000-memory.dmp

            memory/4028-131-0x0000000001990000-0x0000000001CB0000-memory.dmp