Analysis

  • max time kernel
    140s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    03/02/2022, 14:41

General

  • Target
    91baceac925da8096214d2adae66d2cb.dll
  • Size 979KB
  • Sample220203-r2fd2saec3
  • SHA256 22e7195325e88a25280812782ead87ab406c0a3fc082492750e036be11000ba3
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 172.105.115.71:443

  • 185.184.25.78:8080

  • 191.252.103.16:80

  • 207.148.81.119:8080

  • 37.44.244.177:8080

  • 210.57.209.142:8080

  • 37.59.209.141:8080

  • 59.148.253.194:443

  • 159.69.237.188:443

  • 195.154.146.35:443

  • 203.153.216.46:443

  • 104.131.62.48:8080

  • 173.203.78.138:443

  • 217.182.143.207:443

  • 54.38.242.185:443

  • 116.124.128.206:8080

  • 54.37.106.167:8080

  • 195.77.239.39:8080

  • 85.214.67.203:8080

  • 198.199.98.78:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\91baceac925da8096214d2adae66d2cb.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\91baceac925da8096214d2adae66d2cb.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\91baceac925da8096214d2adae66d2cb.dll",DllRegisterServer
        3⤵
          PID:812

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/964-55-0x0000000075891000-0x0000000075893000-memory.dmp

          memory/964-56-0x0000000000260000-0x0000000000286000-memory.dmp

          memory/1100-54-0x000007FEFBE91000-0x000007FEFBE93000-memory.dmp