Overview

overview

10

Static

static

3

b2d18d22f1...ca.exe

windows10-2004-x64

10

b2d18d22f1...ca.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    b2d18d22f1aff68fc7fc03c56afa5c1be8fbd93d2f4ca.exe
  • Size 74KB
  • Sample260708-ns4thae14v
  • SHA256 b2d18d22f1aff68fc7fc03c56afa5c1be8fbd93d2f4caad1bff7dfec761b50f5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2adwarebackdoorpersistenceransomwarespyware

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 43.157.212.233:443

  • 43.157.212.233:442

  • 43.157.212.233:80

Attributes
  • campaign_date

    2026. 5.29

Targets

    • Target
      b2d18d22f1aff68fc7fc03c56afa5c1be8fbd93d2f4ca.exe
    • Size 74KB
    • SHA256 b2d18d22f1aff68fc7fc03c56afa5c1be8fbd93d2f4caad1bff7dfec761b50f5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorvalleyrat_s2persistenceransomwareadwarespyware

    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks