General

  • Target
    2026-09-08_83803beb0ddf793b9dc073847cc3da85_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar
  • Size 1.6MB
  • Sample260908-sjpqfadn7w
  • SHA256 0fcc20a3bdfb89b516cab06ec7ce733b043c50b469e3f14c1b6904bda1b348c6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • valleyrat_s2

Version
  • 1.0

C2
  • 134.122.155.220:443

  • 134.122.155.220:80

Targets

    • Target
      2026-09-08_83803beb0ddf793b9dc073847cc3da85_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar
    • Size 1.6MB
    • SHA256 0fcc20a3bdfb89b516cab06ec7ce733b043c50b469e3f14c1b6904bda1b348c6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Stealc stealer Version 3

    • Detects ValleyRAT payload

    • Family: Stealc

      Stealc is an infostealer written in C++.

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

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

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

    • Executes dropped EXE

    • 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

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks