Analysis

  • max time kernel
    4294199s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    11/03/2022, 21:32

General

  • Target
    85d84207b037582fe0826ca1d4873a57.dll
  • Size 684KB
  • Sample220311-1dl2csedgn
  • SHA256 5e4e5bc5b997f69e07b9cf4c8a43d10bb7bb848f72fb807b217e6cee9ea30189
  • 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

  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\85d84207b037582fe0826ca1d4873a57.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\85d84207b037582fe0826ca1d4873a57.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Cwxbtqdfdgzxjzvh\syrfvxyaehfn.iyn"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1656

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1420-54-0x000007FEFC121000-0x000007FEFC123000-memory.dmp

        memory/1656-60-0x0000000000930000-0x0000000000957000-memory.dmp

        memory/1676-55-0x0000000075A31000-0x0000000075A33000-memory.dmp

        memory/1676-56-0x00000000009A0000-0x00000000009C7000-memory.dmp