Overview

overview

10

Static

static

3

Loader.exe

windows10-2004-x64

10

Loader.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Loader.exe
  • Size 1.6MB
  • Sample260819-qq4f3avfkc
  • SHA256 86b34bd9245e406c15c88d0b5b8b11ae34f52bf1c16a1e0a0bfe80780efbda8c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscoveryexecutionpersistence

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 170.62.130.47:449

  • 170.62.130.47:443

Targets

    • Target
      Loader.exe
    • Size 1.6MB
    • SHA256 86b34bd9245e406c15c88d0b5b8b11ae34f52bf1c16a1e0a0bfe80780efbda8c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryexecutionvalleyrat_s2persistence

    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Executes dropped EXE

    • 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