Overview

overview

10

Static

static

10

2026-07-09...ti.exe

windows10-2004-x64

10

2026-07-09...ti.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-07-09_8eaefc54b786cfc1faf74f13bf7a3240_cobalt-strike_conti
  • Size 111KB
  • Sample260709-cg2dfscw6w
  • SHA256 9c26df8e1313c1bdcaef9282afffcc59d8b6470ced6f40effd4276bb8b06f1d9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2adwarebackdoorpersistenceransomwarespywareupx

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 43.157.212.233:443

  • 43.157.212.233:442

  • 43.157.212.233:80

Attributes
  • campaign_date

    2026. 5.29

Targets

    • Target
      2026-07-09_8eaefc54b786cfc1faf74f13bf7a3240_cobalt-strike_conti
    • Size 111KB
    • SHA256 9c26df8e1313c1bdcaef9282afffcc59d8b6470ced6f40effd4276bb8b06f1d9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorvalleyrat_s2persistenceransomwareupxadwarespyware

    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • UPX dump on OEP (original entry point)

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Enumerates connected drives

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks