Analysis

  • max time kernel
    4294180s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    28/02/2022, 22:32

General

  • Target
    8695ec632b7c541d298dcbeee848e529.dll
  • Size 520KB
  • Sample220228-2fynlsfbh9
  • SHA256 aa10a5244e0643c556c8b030540f2585c7f35ebe42208e6d1656f70c8a459670
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 168.235.104.209:8080

  • 195.154.253.60:8080

  • 152.89.239.34:443

  • 212.237.56.116:7080

  • 45.118.115.99:8080

  • 103.75.201.4:443

  • 185.157.82.211:8080

  • 119.235.255.201:8080

  • 103.75.201.2:443

  • 45.176.232.124:443

  • 138.185.72.26:8080

  • 79.172.212.216:8080

  • 131.100.24.231:80

  • 178.128.83.165:80

  • 178.79.147.66:8080

  • 110.232.117.186:8080

  • 51.254.140.238:7080

  • 173.212.193.249:8080

  • 50.30.40.196:8080

  • 50.116.54.215:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • 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\8695ec632b7c541d298dcbeee848e529.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\8695ec632b7c541d298dcbeee848e529.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Qowfrautvtwn\kvelcqztpou.dil"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:332

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/332-59-0x00000000003C0000-0x00000000003E8000-memory.dmp

        memory/1872-55-0x00000000757C1000-0x00000000757C3000-memory.dmp

        memory/1872-56-0x0000000000270000-0x0000000000298000-memory.dmp

        memory/1920-54-0x000007FEFB7C1000-0x000007FEFB7C3000-memory.dmp