General

  • Target
    b9e7372c4b67c96e74079a4680ca52bfd4fcebac88cc4a475c3ea9a5898a08b2
  • Size 1.1MB
  • Sample260106-kntk7afs8a
  • SHA256 b9e7372c4b67c96e74079a4680ca52bfd4fcebac88cc4a475c3ea9a5898a08b2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • valleyrat_s2

Version
  • 1.0

C2
  • 154.23.127.134:1688

  • 127.0.0.1:80

Attributes
  • campaign_date

    2025. 8.17

Targets

    • Target
      配置清单.msi
    • Size 2.3MB
    • SHA256 adfc8fbe77044af27b8b6ce901c384d786e1a34124ece6cb743f3a5c7a4d303e
    • MD5 SHA1 SHA512 SSDEEP
    • Detects ValleyRAT payload

    • ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

    • Valleyrat_s2 family

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v16

Tasks