Analysis

  • max time kernel
    119s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    07/02/2022, 16:07

General

  • Target
    99c909b303ebf89be3a6191cb11fe450.dll
  • Size 213KB
  • Sample220207-tknefaecck
  • SHA256 89a8c9d2aabcbcc8b22fd363c09ef705439ee2bd229703135e4a5ceafaa59531
  • 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.

  • 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\99c909b303ebf89be3a6191cb11fe450.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\99c909b303ebf89be3a6191cb11fe450.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1320
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\99c909b303ebf89be3a6191cb11fe450.dll",DllRegisterServer
        3⤵
          PID:4888
    • 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:668

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/668-132-0x000002077F130000-0x000002077F140000-memory.dmp

          memory/668-133-0x000002077F190000-0x000002077F1A0000-memory.dmp

          memory/668-134-0x000002077FE70000-0x000002077FE74000-memory.dmp

          memory/1320-130-0x0000000010000000-0x0000000010025000-memory.dmp