Overview

overview

10

Static

static

5

huorong.exe

windows10-2004-x64

7

huorong.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    huorong.exe
  • Size 2.3MB
  • Sample260703-tnb6kshv5r
  • SHA256 79a2ef6dd3056588d046746120a10ef1fceec80bf05e4221598101115d9215e9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoorpersistenceprivilege_escalation

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 27.124.18.164:63016

  • 27.124.18.166:63026

  • 27.124.18.170:63036

Attributes
  • campaign_date

    2026. 6.30

Targets

    • Target
      huorong.exe
    • Size 2.3MB
    • SHA256 79a2ef6dd3056588d046746120a10ef1fceec80bf05e4221598101115d9215e9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorvalleyrat_s2persistenceprivilege_escalation

    • 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.

    • Deletes itself

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Loads dropped DLL

    • 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