Overview

overview

10

Static

static

3

278A2CBB27...4A.dll

windows10-2004-x64

10

278A2CBB27...4A.dll

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    278A2CBB2779FB8381B35C78E771264A.dll
  • Size 447KB
  • Sample260820-tfwj9aed37
  • SHA256 1aac5653d64b87ecafe82ad8e05221f7e983d24b59413aa22143340d73848628
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscoveryexecutionpersistence

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 156.234.7.60:433

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 8.13

Targets

    • Target
      278A2CBB2779FB8381B35C78E771264A.dll
    • Size 447KB
    • SHA256 1aac5653d64b87ecafe82ad8e05221f7e983d24b59413aa22143340d73848628
    • 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

    • 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.

    • 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