Analysis

  • max time kernel
    70s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    03/02/2022, 21:52

General

  • Target
    VoIhlo.dll
  • Size 966KB
  • Sample220203-1q43pseber
  • SHA256 90e52cbf02dc6f103e700614c03a360258ff623aed0a559c28de3a86ced57494
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 174.136.15.27:8080

  • 185.122.58.89:443

  • 66.42.57.149:443

  • 159.69.237.188:443

  • 78.47.204.80:443

  • 54.38.242.185:443

  • 37.44.244.177:8080

  • 185.148.168.220:8080

  • 217.182.143.207:443

  • 198.199.98.78:8080

  • 139.196.72.155:8080

  • 59.148.253.194:443

  • 195.77.239.39:8080

  • 210.57.209.142:8080

  • 128.199.192.135:8080

  • 173.203.78.138:443

  • 62.171.178.147:8080

  • 85.214.67.203:8080

  • 185.148.168.15:8080

  • 191.252.103.16:80

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\VoIhlo.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\VoIhlo.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1636
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\VoIhlo.dll",DllRegisterServer
        3⤵
          PID:972

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1596-54-0x000007FEFBE11000-0x000007FEFBE13000-memory.dmp

          memory/1636-55-0x0000000075431000-0x0000000075433000-memory.dmp

          memory/1636-56-0x0000000000120000-0x0000000000146000-memory.dmp