Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    08/02/2022, 01:00

General

  • Target
    b9b53bcfdbac3db46fede93944763058.dll
  • Size 608KB
  • Sample220208-bcn2wsbdem
  • SHA256 b5a1d88da05709d7452f5d8ee8fdb88d21b844dcc2cbaba9030807b69927fb21
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 8.9.11.48:443

  • 144.76.186.55:7080

  • 45.118.115.99:8080

  • 51.254.140.238:7080

  • 162.214.50.39:7080

  • 119.235.255.201:8080

  • 103.75.201.4:443

  • 164.68.99.3:8080

  • 178.79.147.66:8080

  • 192.95.56.148:8080

  • 81.0.236.90:443

  • 45.118.135.203:7080

  • 131.100.24.231:80

  • 41.76.108.46:8080

  • 45.142.114.231:8080

  • 82.165.152.127:8080

  • 45.176.232.124:443

  • 50.116.54.215:443

  • 162.243.175.63:443

  • 216.158.226.206:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b9b53bcfdbac3db46fede93944763058.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\b9b53bcfdbac3db46fede93944763058.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\b9b53bcfdbac3db46fede93944763058.dll",DllRegisterServer
        3⤵
          PID:940

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1280-56-0x0000000075801000-0x0000000075803000-memory.dmp

          memory/1280-57-0x0000000000690000-0x00000000006B8000-memory.dmp

          memory/1588-55-0x000007FEFC2D1000-0x000007FEFC2D3000-memory.dmp