Overview

overview

10

Static

static

3

1c0209189a...b1.exe

windows10-2004-x64

10

1c0209189a...b1.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    1c0209189afed95d24febf040caa52b1.exe
  • Size 2.5MB
  • Sample260620-eyjk3set6y
  • SHA256 1603899e2cbe71abad453b7c2735a294b93e23e4bedcb9e9f8e74b08b2564efb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2adwarebackdoordiscoveryexecutioninstallerpersistenceransomwarespyware

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 47.243.155.184:770

  • 47.243.155.184:771

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 6. 2

Targets

    • Target
      1c0209189afed95d24febf040caa52b1.exe
    • Size 2.5MB
    • SHA256 1603899e2cbe71abad453b7c2735a294b93e23e4bedcb9e9f8e74b08b2564efb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryexecutionvalleyrat_s2installerpersistenceadwareransomwarespyware

    • 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

    • 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