Analysis

  • max time kernel
    146s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    03/02/2022, 10:17

General

  • Target
    RIQBUVdBIGS.dll
  • Size 988KB
  • Sample220203-mbgf7sfdfl
  • SHA256 a6526b4911a2ea15924d2e7dd2863a8e8fa3129ea9a6b855ee7a24d60bdfecd6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 23.246.204.126:443

  • 149.56.163.161:8080

  • 212.237.5.209:443

  • 159.89.230.105:443

  • 178.63.25.185:443

  • 104.251.214.46:8080

  • 195.154.133.20:443

  • 217.182.143.207:443

  • 103.75.201.4:443

  • 162.243.175.63:443

  • 173.212.193.249:8080

  • 138.185.72.26:8080

  • 107.182.225.142:8080

  • 45.118.115.99:8080

  • 46.55.222.11:443

  • 212.237.56.116:7080

  • 178.79.147.66:8080

  • 160.16.102.168:80

  • 212.237.17.99:8080

  • 51.38.71.0:443

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\RIQBUVdBIGS.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\RIQBUVdBIGS.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:948
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\RIQBUVdBIGS.dll",DllRegisterServer
        3⤵
          PID:748

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/948-55-0x0000000075D61000-0x0000000075D63000-memory.dmp

          memory/948-56-0x00000000004C0000-0x00000000004E5000-memory.dmp

          memory/1476-54-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp