Overview

overview

10

Static

static

3

13FD1F0BF6...71.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    13FD1F0BF69EA3088148B347A8177971.exe
  • Size 77KB
  • Sample250519-lrbefsdr2z
  • SHA256 fa6f2143d9e40d6ba356e3a74a56a1b80b3ff3e962e17afe6a2ca90aca3829b7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
valleyrat_s2backdoordiscovery

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 23.249.28.223:53

  • 23.249.28.223:80

  • 23.249.28.223:3455

Attributes
  • campaign_date

    2025. 5. 7

Targets

    • Target
      13FD1F0BF69EA3088148B347A8177971.exe
    • Size 77KB
    • SHA256 fa6f2143d9e40d6ba356e3a74a56a1b80b3ff3e962e17afe6a2ca90aca3829b7
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    valleyrat_s2backdoordiscovery

    • ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Valleyrat_s2 family

      valleyrat_s2

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Enumerates connected drives

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

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks