General

  • Target
    2026-07-11_a05e23d383f6c7a3cdf243bf4bded992_cobalt-strike_icedid_njrat_satacom_stealc_vidar
  • Size 1.4MB
  • Sample260711-exrv3abv2n
  • SHA256 bb9dc320beebc64c20ab492162dd9214b36455faa03898551fea2e19c85cf518
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • valleyrat_s2

Version
  • 1.0

C2
  • 154.12.19.70:22011

  • 154.12.19.70:22012

Targets

    • Target
      2026-07-11_a05e23d383f6c7a3cdf243bf4bded992_cobalt-strike_icedid_njrat_satacom_stealc_vidar
    • Size 1.4MB
    • SHA256 bb9dc320beebc64c20ab492162dd9214b36455faa03898551fea2e19c85cf518
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables embedding registry key / value combination indicative of disabling Windows Defen

    • Disables use of System Restore points

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Server Software Component: Terminal Services DLL

    • Boot or Logon Autostart Execution: LSASS Driver

      Adversaries may modify or add LSASS drivers to obtain persistence on compromised systems.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks