Overview

overview

10

Static

static

3

c0db00a5a7...5a.dll

windows10-2004-x64

10

c0db00a5a7...5a.dll

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    c0db00a5a7b10ec80bc53fc5cd63f9dfb710b354d60b9d6b58a5bb9a10f1765a
  • Size 5.4MB
  • Sample261012-rxgfjsxsa1
  • SHA256 c0db00a5a7b10ec80bc53fc5cd63f9dfb710b354d60b9d6b58a5bb9a10f1765a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscoveryexecutionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target
      c0db00a5a7b10ec80bc53fc5cd63f9dfb710b354d60b9d6b58a5bb9a10f1765a
    • Size 5.4MB
    • SHA256 c0db00a5a7b10ec80bc53fc5cd63f9dfb710b354d60b9d6b58a5bb9a10f1765a
    • 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