Analysis

  • max time kernel
    142s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    02/02/2022, 16:50

General

  • Target
    b9d33b12d1b5886dfe8b9944efe686f0.dll
  • Size 252KB
  • Sample220202-vb9fzsbcfn
  • SHA256 d3df51f90ab896b492a40cc05cb8a1a7a0b6e5717a628562fdf1bec4779ec8d4
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 149.202.179.100:443

  • 103.75.201.4:443

  • 129.232.188.93:443

  • 50.116.54.215:443

  • 203.114.109.124:443

  • 217.182.143.207:443

  • 212.237.5.209:443

  • 79.172.212.216:8080

  • 144.76.186.49:8080

  • 159.8.59.82:8080

  • 131.100.24.231:80

  • 212.237.17.99:8080

  • 81.0.236.90:443

  • 159.89.230.105:443

  • 164.68.99.3:8080

  • 212.237.56.116:7080

  • 162.243.175.63:443

  • 195.154.133.20:443

  • 110.232.117.186:8080

  • 45.142.114.231:8080

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\b9d33b12d1b5886dfe8b9944efe686f0.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\b9d33b12d1b5886dfe8b9944efe686f0.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\b9d33b12d1b5886dfe8b9944efe686f0.dll",DllRegisterServer
        3⤵
          PID:884

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1348-55-0x0000000075D61000-0x0000000075D63000-memory.dmp

          memory/1348-56-0x0000000010000000-0x0000000010025000-memory.dmp

          memory/1376-54-0x000007FEFB711000-0x000007FEFB713000-memory.dmp