Overview

overview

10

Static

static

3

2026-04-22...id.exe

windows10-2004-x64

6

2026-04-22...id.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-04-22_3e25fa982a2fa0d98ba9c9bc453bd179_cobalt-strike_icedid
  • Size 107KB
  • Sample260422-s8hnesev9s
  • SHA256 24bbff95dd737cbd2b512ca5ebe91fd268d3d830dccd24d740f0d74a7f183c2a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoorpersistenceransomware

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 154.201.73.40:6688

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 4.19

Targets

    • Target
      2026-04-22_3e25fa982a2fa0d98ba9c9bc453bd179_cobalt-strike_icedid
    • Size 107KB
    • SHA256 24bbff95dd737cbd2b512ca5ebe91fd268d3d830dccd24d740f0d74a7f183c2a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    persistencebackdoorvalleyrat_s2ransomware

    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • 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.

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks