General

  • Target
    27b0333c1c2c94d43b76b6329390f14f048b83d4927c54d59711ebb3d23c8866
  • Size 5.6MB
  • Sample261017-rhn7vavvcs
  • SHA256 27b0333c1c2c94d43b76b6329390f14f048b83d4927c54d59711ebb3d23c8866
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • valleyrat_s2

C2
  • pzfy4.club:6803

  • pzfy4.club:6801

Targets

    • Target
      27b0333c1c2c94d43b76b6329390f14f048b83d4927c54d59711ebb3d23c8866
    • Size 5.6MB
    • SHA256 27b0333c1c2c94d43b76b6329390f14f048b83d4927c54d59711ebb3d23c8866
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

    • Badlisted process makes network request

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

    • Executes dropped EXE

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks