Overview

overview

10

Static

static

3

9128e41508...d4.dll

windows10-2004-x64

10

9128e41508...d4.dll

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    9128e41508a97650375b547e05bd162f0b42005cbd0ea6bb02bfb6ea8937b3d4
  • Size 5.3MB
  • Sample260903-nes5vawbqf
  • SHA256 9128e41508a97650375b547e05bd162f0b42005cbd0ea6bb02bfb6ea8937b3d4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordefense_evasiondiscoveryexecutionpersistenceransomware

Malware Config

Targets

    • Target
      9128e41508a97650375b547e05bd162f0b42005cbd0ea6bb02bfb6ea8937b3d4
    • Size 5.3MB
    • SHA256 9128e41508a97650375b547e05bd162f0b42005cbd0ea6bb02bfb6ea8937b3d4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordefense_evasiondiscoveryexecutionvalleyrat_s2persistenceransomware

    • 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.

    • Executes dropped EXE

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

      discovery

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks