General

  • Target
    ACTION2021.scr
  • Size 1.4MB
  • Sample210106-8vzdnjlyfs
  • SHA256 c39bdd8f7c69c3140ef920e2b1d5965310058c5fa425b871f4d7751d8291d55e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • remcos

C2
  • masters4733.sytes.net:8686

Targets

    • Target
      ACTION2021.scr
    • Size 1.4MB
    • SHA256 c39bdd8f7c69c3140ef920e2b1d5965310058c5fa425b871f4d7751d8291d55e
    • MD5 SHA1 SHA512
    • Remcos

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

    • UAC bypass

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks