Analysis

  • max time kernel
    140s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    14/03/2022, 10:23

General

  • Target
    4XssSexsjiBr2oq.dll
  • Size 801KB
  • Sample220314-mevs1agbdq
  • SHA256 d6ccc4abc521f0ada366e64ba0ad3c9306329d33f31aee123e1c1bff8603cfc1
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 51.75.33.122:443

  • 186.250.48.5:80

  • 168.119.39.118:443

  • 207.148.81.119:8080

  • 194.9.172.107:8080

  • 139.196.72.155:8080

  • 78.47.204.80:443

  • 159.69.237.188:443

  • 45.71.195.104:8080

  • 54.37.106.167:8080

  • 185.168.130.138:443

  • 37.44.244.177:8080

  • 185.184.25.78:8080

  • 185.148.168.15:8080

  • 128.199.192.135:8080

  • 37.59.209.141:8080

  • 103.41.204.169:8080

  • 185.148.168.220:8080

  • 103.42.58.120:7080

  • 78.46.73.125:443

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 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4XssSexsjiBr2oq.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\4XssSexsjiBr2oq.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:664

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/664-130-0x0000000010000000-0x0000000010027000-memory.dmp