Analysis

  • max time kernel
    172s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    10/02/2022, 07:28

General

  • Target
    emotet_exe_e5_61194ee8f3046853cee0aa164a5a86fff8355cccb3d9c55daf3f850f52db0f21_2022-02-10__072731.dll
  • Size 547KB
  • Sample220210-jaslasgbf2
  • SHA256 61194ee8f3046853cee0aa164a5a86fff8355cccb3d9c55daf3f850f52db0f21
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 198.199.126.144:443

  • 103.42.57.17:8080

  • 195.154.146.35:443

  • 104.131.62.48:8080

  • 116.124.128.206:8080

  • 54.38.242.185:443

  • 217.182.143.207:443

  • 66.42.57.149:443

  • 185.148.168.220:8080

  • 37.44.244.177:8080

  • 78.47.204.80:443

  • 173.203.78.138:443

  • 190.90.233.66:443

  • 203.153.216.46:443

  • 54.37.106.167:8080

  • 194.9.172.107:8080

  • 168.197.250.14:80

  • 185.184.25.78:8080

  • 191.252.103.16:80

  • 159.69.237.188:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • 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 45 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_61194ee8f3046853cee0aa164a5a86fff8355cccb3d9c55daf3f850f52db0f21_2022-02-10__072731.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_61194ee8f3046853cee0aa164a5a86fff8355cccb3d9c55daf3f850f52db0f21_2022-02-10__072731.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3644
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_61194ee8f3046853cee0aa164a5a86fff8355cccb3d9c55daf3f850f52db0f21_2022-02-10__072731.dll",DllRegisterServer
        3⤵
          PID:3716
    • C:\Windows\system32\MusNotifyIcon.exe
      %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
      1⤵
      • Checks processor information in registry
      PID:936
    • 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:2536

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3644-130-0x0000000010000000-0x0000000010025000-memory.dmp