Overview

overview

10

Static

static

10

2026-09-03...ar.exe

windows10-2004-x64

10

2026-09-03...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-09-03_c2ac2ab1fcf645b4878937c1c85a30ae_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar
  • Size 1.2MB
  • Sample260903-3fbphsgr3z
  • SHA256 3fb6c148715dfe0074a57e23bab5cfc47294f38a69da78cb46920a72548740e9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscoveryexecutionpersistence

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 134.122.155.220:443

  • 134.122.155.220:80

Targets

    • Target
      2026-09-03_c2ac2ab1fcf645b4878937c1c85a30ae_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar
    • Size 1.2MB
    • SHA256 3fb6c148715dfe0074a57e23bab5cfc47294f38a69da78cb46920a72548740e9
    • 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

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables embedding registry key / value combination indicative of disabling Windows Defen

    • 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