Analysis

  • max time kernel
    72s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22/05/2022, 00:35

General

  • Target
    a4939b3eb833c71082ae0375bc7ff1fc.dll
  • Size 640KB
  • Sample220522-axb3dsebf4
  • SHA256 858f75676142579533809e4c326fa2ebbbdbb89c39ddbf471d0674cbb4293fb0
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 70.36.102.35:443

  • 92.240.254.110:8080

  • 51.91.76.89:8080

  • 217.182.25.250:8080

  • 119.193.124.41:7080

  • 45.142.114.231:8080

  • 176.56.128.118:443

  • 51.254.140.238:7080

  • 173.212.193.249:8080

  • 131.100.24.231:80

  • 188.44.20.25:443

  • 1.234.2.232:8080

  • 153.126.146.25:7080

  • 51.91.7.5:8080

  • 151.106.112.196:8080

  • 46.55.222.11:443

  • 107.182.225.142:8080

  • 82.165.152.127:8080

  • 212.237.17.99:8080

  • 195.201.151.129:8080

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a4939b3eb833c71082ae0375bc7ff1fc.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\a4939b3eb833c71082ae0375bc7ff1fc.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:616

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/616-56-0x00000000755B1000-0x00000000755B3000-memory.dmp

        memory/616-57-0x00000000002A0000-0x00000000002C4000-memory.dmp

        memory/756-54-0x000007FEFBB71000-0x000007FEFBB73000-memory.dmp