Analysis

  • max time kernel
    42s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    01/04/2022, 09:46

General

  • Target
    4d26fb5594661a5b4180aedbefa179b6.dll
  • Size 432KB
  • Sample220401-lrmgqaebfp
  • SHA256 c11942f4e5df89ceef7af4e4593275fb69e20dfd41c785448ac376a369628142
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 5.189.160.61:443

  • 94.177.178.26:8080

  • 202.29.239.162:443

  • 54.38.143.246:7080

  • 119.59.125.140:8080

  • 185.148.168.15:8080

  • 188.166.229.148:443

  • 2.58.16.87:8080

  • 104.131.62.48:8080

  • 103.82.248.59:7080

  • 37.59.209.141:8080

  • 103.133.214.242:8080

  • 195.77.239.39:8080

  • 128.199.192.135:8080

  • 78.47.204.80:443

  • 59.148.253.194:443

  • 87.106.97.83:7080

  • 45.71.195.104:8080

  • 85.214.67.203:8080

  • 139.196.72.155:8080

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

  • 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\4d26fb5594661a5b4180aedbefa179b6.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\4d26fb5594661a5b4180aedbefa179b6.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:788
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Oacbqoho\rrpyglt.rmf"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:832

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/788-56-0x0000000075D11000-0x0000000075D13000-memory.dmp

        memory/788-57-0x00000000001F0000-0x0000000000213000-memory.dmp

        memory/832-62-0x0000000000150000-0x0000000000173000-memory.dmp

        memory/1612-54-0x000007FEFB8C1000-0x000007FEFB8C3000-memory.dmp