Analysis

  • max time kernel
    165s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    07/02/2022, 17:35

General

  • Target
    dc1005c9ad2f76db7e6cda8d6adf3c67.dll
  • Size 213KB
  • Sample220207-v512psfba8
  • SHA256 8cc9d7228560de1b50d5fa7951903fe95af8c66eb7988edf3a64fa2e74cf72b8
  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc1005c9ad2f76db7e6cda8d6adf3c67.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\dc1005c9ad2f76db7e6cda8d6adf3c67.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\dc1005c9ad2f76db7e6cda8d6adf3c67.dll",DllRegisterServer
        3⤵
          PID:2548
    • 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:3988
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1924

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/2192-130-0x0000000010000000-0x0000000010025000-memory.dmp

          memory/3988-144-0x000001B29AE40000-0x000001B29AE44000-memory.dmp