Resubmissions

02/06/2026, 15:39

260602-s3q3lsav7j10

02/06/2026, 15:13

260602-sl557sgw6110

02/06/2026, 15:12

260602-slbatshy4q10

02/06/2026, 15:10

260602-skea4ahy3l

03/04/2026, 12:39

260403-pv3vnagw2j10

General

  • Target
    bootstrapper.exe
  • Size 36.9MB
  • Sample260602-s3q3lsav7j
  • SHA256 c98c643b4d62b84bcd9dd5d435560f3b80f7e22dd5b86dad79dbad044d25a258
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      bootstrapper.exe
    • Size 36.9MB
    • SHA256 c98c643b4d62b84bcd9dd5d435560f3b80f7e22dd5b86dad79dbad044d25a258
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks