Analysis

  • max time kernel
    139s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28/01/2022, 07:47

General

  • Target
    f7b21ecdc8ff6e1ee69c7dc4c5a55279.dll
  • Size 629KB
  • Sample220128-jmjh6ahcel
  • SHA256 683cab6edb2aeaad8571f260f4544efd4f11e00e81d213228313fd4b06e4f364
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 51.15.4.22:443

  • 173.214.173.220:8080

  • 212.237.5.209:443

  • 192.254.71.210:443

  • 216.158.226.206:443

  • 162.243.175.63:443

  • 212.24.98.99:8080

  • 58.227.42.236:80

  • 45.118.115.99:8080

  • 104.251.214.46:8080

  • 185.157.82.209:8080

  • 46.55.222.11:443

  • 188.40.137.206:8080

  • 81.0.236.90:443

  • 103.75.201.2:443

  • 129.232.188.93:443

  • 195.154.133.20:443

  • 159.8.59.82:8080

  • 79.172.212.216:8080

  • 138.185.72.26:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f7b21ecdc8ff6e1ee69c7dc4c5a55279.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\f7b21ecdc8ff6e1ee69c7dc4c5a55279.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f7b21ecdc8ff6e1ee69c7dc4c5a55279.dll",DllRegisterServer
        3⤵
          PID:3672

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2676-118-0x00000000045B0000-0x00000000045D5000-memory.dmp