General

  • Target
    RFQ TRQ22-06-20200051_pdf.exe
  • Size 315KB
  • Sample200705-ca5vczmgnj
  • SHA256 d69aa1932b2e702e5065ee19da9fc9cf2b05e7dbaa617141b14eaa501a14955e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • remcos

C2
  • 109.169.89.116:2021

Targets

    • Target
      RFQ TRQ22-06-20200051_pdf.exe
    • Size 315KB
    • SHA256 d69aa1932b2e702e5065ee19da9fc9cf2b05e7dbaa617141b14eaa501a14955e
    • MD5 SHA1 SHA512
    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Remcos

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks