Overview

overview

10

Static

static

3

d3a6bb2e83...3a.dll

windows10-2004-x64

10

d3a6bb2e83...3a.dll

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    d3a6bb2e83f4c58a4ed5fcb512a8e7e1fe5a65b6fd1888454b054ce83b78a23a
  • Size 5.8MB
  • Sample261014-ps5aps119k
  • SHA256 d3a6bb2e83f4c58a4ed5fcb512a8e7e1fe5a65b6fd1888454b054ce83b78a23a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscoveryexecutionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target
      d3a6bb2e83f4c58a4ed5fcb512a8e7e1fe5a65b6fd1888454b054ce83b78a23a
    • Size 5.8MB
    • SHA256 d3a6bb2e83f4c58a4ed5fcb512a8e7e1fe5a65b6fd1888454b054ce83b78a23a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryexecutionvalleyrat_s2persistenceransomwarespywarestealer

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks