Overview

overview

10

Static

static

3

680a883430...77.exe

windows10-2004-x64

10

680a883430...77.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    680a883430e5955b4349ad21e23fc330e74f7c05e1d61ffd25c9970acd303677.exe
  • Size 5.0MB
  • Sample260814-2vsqxaar2w
  • SHA256 680a883430e5955b4349ad21e23fc330e74f7c05e1d61ffd25c9970acd303677
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordefense_evasiondiscoveryevasiontrojan

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 38.47.221.20:6688

Attributes
  • campaign_date

    2025.10.16

Targets

    • Target
      680a883430e5955b4349ad21e23fc330e74f7c05e1d61ffd25c9970acd303677.exe
    • Size 5.0MB
    • SHA256 680a883430e5955b4349ad21e23fc330e74f7c05e1d61ffd25c9970acd303677
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordefense_evasiondiscoveryevasionvalleyrat_s2trojan

    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • UAC bypass

      defense_evasiontrojan

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks