Overview

overview

10

Static

static

3

d0f63305ee...24.exe

windows10-2004-x64

10

d0f63305ee...24.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    d0f63305eee18d0fff62c74beb74d2b48996f75f4c5a1fcdcd40c940c9c7f524
  • Size 6.2MB
  • Sample260428-e6s5gsdv5y
  • SHA256 d0f63305eee18d0fff62c74beb74d2b48996f75f4c5a1fcdcd40c940c9c7f524
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2adwarebackdoordefense_evasiondiscoveryexecutionpersistencespyware

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • v1.0.0

C2

  • 47.237.95.113:6523

Attributes
  • campaign_date

    2026.03.27

Targets

    • Target
      d0f63305eee18d0fff62c74beb74d2b48996f75f4c5a1fcdcd40c940c9c7f524
    • Size 6.2MB
    • SHA256 d0f63305eee18d0fff62c74beb74d2b48996f75f4c5a1fcdcd40c940c9c7f524
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwarebackdoordefense_evasiondiscoveryexecutionvalleyrat_s2persistencespyware

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks