Overview

overview

10

Static

static

5

69f215a874...b3.exe

windows10-2004-x64

10

69f215a874...b3.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    69f215a8744582fdd7f1643be8fd8587cd6edb18834de592afffc6344a76f9b3.exe
  • Size 151KB
  • Sample260422-jfe76aew3x
  • SHA256 69f215a8744582fdd7f1643be8fd8587cd6edb18834de592afffc6344a76f9b3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordefense_evasiondiscoverypersistence

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 192.238.184.143:10801

  • 127.0.0.1:10801

Attributes
  • campaign_date

    2026. 4.22

Targets

    • Target
      69f215a8744582fdd7f1643be8fd8587cd6edb18834de592afffc6344a76f9b3.exe
    • Size 151KB
    • SHA256 69f215a8744582fdd7f1643be8fd8587cd6edb18834de592afffc6344a76f9b3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordefense_evasiondiscoveryvalleyrat_s2persistence

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Enumerates VirtualBox registry keys

      defense_evasion

    • Looks for VirtualBox Guest Additions in registry

      defense_evasion

    • Looks for VMWare Tools registry key

      defense_evasion

    • Looks for VMWare services registry key.

      defense_evasion

    • Adds Run key to start application

      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