Analysis

  • max time kernel
    153s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    05/02/2022, 00:09

General

  • Target
    emotet_exe_e4_488fbfdb3fb3dc3d862fed72ed0aa551f6d1e4e66289fdd6779ec9f672142a47_2022-02-05__000836.dll
  • Size 997KB
  • Sample220205-afgljsfhfp
  • SHA256 488fbfdb3fb3dc3d862fed72ed0aa551f6d1e4e66289fdd6779ec9f672142a47
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 45.79.173.200:443

  • 144.76.186.55:7080

  • 207.38.84.195:8080

  • 82.165.152.127:8080

  • 45.118.115.99:8080

  • 50.116.54.215:443

  • 203.114.109.124:443

  • 178.128.83.165:80

  • 107.182.225.142:8080

  • 192.95.56.148:8080

  • 185.157.82.211:8080

  • 212.237.5.209:443

  • 212.24.98.99:8080

  • 162.214.50.39:7080

  • 162.243.175.63:443

  • 176.104.106.96:8080

  • 217.182.143.207:443

  • 144.76.186.49:8080

  • 58.227.42.236:80

  • 110.232.117.186:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Sets service image path in registry 2 TTPs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_488fbfdb3fb3dc3d862fed72ed0aa551f6d1e4e66289fdd6779ec9f672142a47_2022-02-05__000836.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3392
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_488fbfdb3fb3dc3d862fed72ed0aa551f6d1e4e66289fdd6779ec9f672142a47_2022-02-05__000836.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3664
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_488fbfdb3fb3dc3d862fed72ed0aa551f6d1e4e66289fdd6779ec9f672142a47_2022-02-05__000836.dll",DllRegisterServer
        3⤵
          PID:1564
    • C:\Windows\system32\MusNotifyIcon.exe
      %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
      1⤵
      • Checks processor information in registry
      PID:3088
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 58d7a87a412a576d2e3662d295019081 KczK3C6F2k2xuq0PgVZABQ.0.1.0.0.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:3008
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k NetworkService -p
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:2900

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/3664-130-0x0000000000B80000-0x0000000000BA5000-memory.dmp