Analysis

  • max time kernel
    166s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    08/02/2022, 00:01

General

  • Target
    emotet_exe_e5_3135fabe0b8677d10d8f51212e5a4b271790c5cc2c983f351e7caf79d053ca5d_2022-02-08__000049.dll
  • Size 600KB
  • Sample220208-aaxetabaa3
  • SHA256 3135fabe0b8677d10d8f51212e5a4b271790c5cc2c983f351e7caf79d053ca5d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 103.42.57.17:8080

  • 93.104.208.37:8080

  • 195.154.146.35:443

  • 62.171.178.147:8080

  • 37.59.209.141:8080

  • 139.196.72.155:8080

  • 37.44.244.177:8080

  • 191.252.103.16:80

  • 217.182.143.207:443

  • 128.199.192.135:8080

  • 103.41.204.169:8080

  • 185.148.168.15:8080

  • 168.197.250.14:80

  • 78.46.73.125:443

  • 194.9.172.107:8080

  • 185.148.168.220:8080

  • 118.98.72.86:443

  • 54.37.106.167:8080

  • 78.47.204.80:443

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_3135fabe0b8677d10d8f51212e5a4b271790c5cc2c983f351e7caf79d053ca5d_2022-02-08__000049.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_3135fabe0b8677d10d8f51212e5a4b271790c5cc2c983f351e7caf79d053ca5d_2022-02-08__000049.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_3135fabe0b8677d10d8f51212e5a4b271790c5cc2c983f351e7caf79d053ca5d_2022-02-08__000049.dll",DllRegisterServer
        3⤵
          PID:4064
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3740

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/1484-130-0x0000000000E00000-0x0000000000E25000-memory.dmp

          memory/3740-132-0x0000024077730000-0x0000024077740000-memory.dmp

          memory/3740-133-0x0000024077790000-0x00000240777A0000-memory.dmp

          memory/3740-134-0x000002407A4A0000-0x000002407A4A4000-memory.dmp