Overview

overview

10

Static

static

3

2f3e3c0134...61.exe

windows10-2004-x64

10

2f3e3c0134...61.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2f3e3c0134aee76ac9876b3212116261.exe
  • Size 2.0MB
  • Sample260629-2zfl5sat2j
  • SHA256 a81dd7a5c94f3f82fe489a5e9ccb5e8618f22d3846d1d74388e88e399a8de2e7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscoveryinstallerpersistence

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 47.243.127.117:887

  • 47.243.127.117:889

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 6.24

Targets

    • Target
      2f3e3c0134aee76ac9876b3212116261.exe
    • Size 2.0MB
    • SHA256 a81dd7a5c94f3f82fe489a5e9ccb5e8618f22d3846d1d74388e88e399a8de2e7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryvalleyrat_s2installerpersistence

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Badlisted process makes network request

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks