General

  • Target

    Factura Serfinanza_0975065870_6947500_191136433437276862847_8174211_83395420064529248_1443580329_pdf.exe

  • Size

    2.7MB

  • Sample

    210510-p2l224hy82

  • MD5

    ad0fa1fbbc7c22ade1e56a530f8425bd

  • SHA1

    84d12fe925213f334d01f4c9501cb593c39e82f5

  • SHA256

    3ebf027f17e2ba9e5689a67df4f1375297e9f43d258ac0b781d6fb27305fd452

  • SHA512

    871a95040981fb9eb8977bcc86b39c178f51b66a6ffd842633fb3e100bfff4c0f2057f8e401f1435a0b15dfa1490bf73b1e8fcaa8b9fc2d28c4e06e658f72d71

Malware Config

Extracted

Family

remcos

C2

databasepropersonombrecomercialideasearchwords.services:3521

Targets

    • Target

      Factura Serfinanza_0975065870_6947500_191136433437276862847_8174211_83395420064529248_1443580329_pdf.exe

    • Size

      2.7MB

    • MD5

      ad0fa1fbbc7c22ade1e56a530f8425bd

    • SHA1

      84d12fe925213f334d01f4c9501cb593c39e82f5

    • SHA256

      3ebf027f17e2ba9e5689a67df4f1375297e9f43d258ac0b781d6fb27305fd452

    • SHA512

      871a95040981fb9eb8977bcc86b39c178f51b66a6ffd842633fb3e100bfff4c0f2057f8e401f1435a0b15dfa1490bf73b1e8fcaa8b9fc2d28c4e06e658f72d71

    • Modifies Windows Defender Real-time Protection settings

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks