Overview

overview

10

Static

static

10

2026-07-31...at.exe

windows10-2004-x64

10

2026-07-31...at.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-07-31_3e282fe3d09d1c0a178b8acaab2b78b7_cobalt-strike_icedid_luca-stealer_njrat
  • Size 240KB
  • Sample260731-jfqnwsysd1
  • SHA256 57266f65546488b2233417bc290cc5ecca553237f293beb68c87abc2864e10a4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoorupx

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 285419033aa.e1.luyouxia.net:9999

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 7.25

Targets

    • Target
      2026-07-31_3e282fe3d09d1c0a178b8acaab2b78b7_cobalt-strike_icedid_luca-stealer_njrat
    • Size 240KB
    • SHA256 57266f65546488b2233417bc290cc5ecca553237f293beb68c87abc2864e10a4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorvalleyrat_s2upx

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • UPX dump on OEP (original entry point)

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks