Analysis

  • max time kernel
    123s
  • max time network
    133s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    02/12/2021, 15:09

General

  • Target
    VZZdgPFp2xiOJtfpv.dll
  • Size 364KB
  • Sample211202-sjfgrsaacn
  • SHA256 ffd90dec5a531afabd4e63a87b029c829404f83454d43de5bae0cc97912f25fc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 45.63.5.129:443

  • 128.199.192.135:8080

  • 51.178.61.60:443

  • 168.197.250.14:80

  • 177.72.80.14:7080

  • 51.210.242.234:8080

  • 142.4.219.173:8080

  • 78.47.204.80:443

  • 78.46.73.125:443

  • 37.44.244.177:8080

  • 37.59.209.141:8080

  • 191.252.103.16:80

  • 54.38.242.185:443

  • 85.214.67.203:8080

  • 217.182.143.207:443

  • 159.69.237.188:443

  • 210.57.209.142:8080

  • 54.37.228.122:443

  • 207.148.81.119:8080

  • 195.77.239.39:8080

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

  • Blocklisted process makes network request 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\VZZdgPFp2xiOJtfpv.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\VZZdgPFp2xiOJtfpv.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4044
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\VZZdgPFp2xiOJtfpv.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:4428

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/4044-120-0x0000000000650000-0x000000000079A000-memory.dmp

        memory/4428-121-0x0000000000400000-0x0000000000427000-memory.dmp