Analysis

  • max time kernel
    90s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    29/06/2022, 01:42

General

  • Target
    b36eb0bd46165b147e33fcdcbdb56418.dll
  • Size 367KB
  • Sample220629-b4nv7sffc3
  • SHA256 e1fdfa6f2fc816c58037deca3da54280932bc3cdbfc881ebf1ff5e2e4995ea95
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 172.104.251.154:8080

  • 51.161.73.194:443

  • 101.50.0.91:8080

  • 91.207.28.33:8080

  • 119.193.124.41:7080

  • 150.95.66.124:8080

  • 103.132.242.26:8080

  • 37.187.115.122:8080

  • 172.105.226.75:8080

  • 131.100.24.231:80

  • 196.218.30.83:443

  • 79.137.35.198:8080

  • 103.75.201.2:443

  • 82.223.21.224:8080

  • 153.126.146.25:7080

  • 146.59.226.45:443

  • 209.97.163.214:443

  • 186.194.240.217:443

  • 197.242.150.244:8080

  • 45.118.115.99:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b36eb0bd46165b147e33fcdcbdb56418.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3456
    • C:\Windows\system32\regsvr32.exe
      C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FUfNWidOBJrrrd\jyWHAIh.dll"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4384

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/3456-130-0x0000000002B90000-0x0000000002BBB000-memory.dmp