General

  • Target
    Request For Quotation RFQ3758.exe
  • Size 170KB
  • Sample230707-pl66qaaa8w
  • SHA256 7feb0133d36aafdd1b2ba2dbae6ea92c8cefee7b48b82cbcd736dc729196a3e5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      Request For Quotation RFQ3758.exe
    • Size 170KB
    • SHA256 7feb0133d36aafdd1b2ba2dbae6ea92c8cefee7b48b82cbcd736dc729196a3e5
    • MD5 SHA1 SHA512 SSDEEP
    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks