Analysis

  • max time kernel
    102s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19/01/2022, 14:04

General

  • Target
    f5f77090e40dcb8472497bb7c46bdc28.dll
  • Size 408KB
  • Sample220119-rc975aadhj
  • SHA256 21f6d02ff4e35e203a48b67a424135fc6bae177fa4e6d827612c924585b3a6f6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 131.100.24.231:80

  • 209.59.138.75:7080

  • 103.8.26.103:8080

  • 51.38.71.0:443

  • 212.237.17.99:8080

  • 79.172.212.216:8080

  • 207.38.84.195:8080

  • 104.168.155.129:8080

  • 178.79.147.66:8080

  • 46.55.222.11:443

  • 103.8.26.102:8080

  • 192.254.71.210:443

  • 45.176.232.124:443

  • 203.114.109.124:443

  • 51.68.175.8:8080

  • 58.227.42.236:80

  • 45.142.114.231:8080

  • 217.182.143.207:443

  • 178.63.25.185:443

  • 45.118.115.99:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f5f77090e40dcb8472497bb7c46bdc28.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\f5f77090e40dcb8472497bb7c46bdc28.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3256
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f5f77090e40dcb8472497bb7c46bdc28.dll",DllRegisterServer
        3⤵
          PID:1580
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalService
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3812

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/3256-131-0x00000000036A0000-0x00000000036C6000-memory.dmp