Overview

overview

10

Static

static

3

39B698A4A2...4D.exe

windows10-2004-x64

10

39B698A4A2...4D.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    39B698A4A2EC18E256B2AD8503DE9E4D.exe
  • Size 1.8MB
  • Sample260627-endbbagw91
  • SHA256 59afd76ba4c60df30d59b1cd3db92f203040ed0d4e84279434bd702c919e9273
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscoveryexecutioninstallerpersistence

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 47.83.123.66:80

  • 8.217.130.185:5677

  • 8.217.130.185:5678

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 5.30

Targets

    • Target
      39B698A4A2EC18E256B2AD8503DE9E4D.exe
    • Size 1.8MB
    • SHA256 59afd76ba4c60df30d59b1cd3db92f203040ed0d4e84279434bd702c919e9273
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryexecutionvalleyrat_s2installerpersistence

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Checks computer location settings

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

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks