Overview

overview

10

Static

static

10

2026-02-05...ee.exe

windows10-2004-x64

10

2026-02-05...ee.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-02-05_abff3737c13a28cfa26917a665f609a7_elex_kwampirs_mafia_rhadamanthys_stealc_stop_tofsee
  • Size 159KB
  • Sample260205-la7rbscz8e
  • SHA256 e6ef4ea98758f6c9e90d8e1047616a60d5241e9ed65e873c01f4e9001c9e71ee
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscoverypersistence

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 104.143.34.140:5656

  • 104.143.34.140:7878

  • 104.143.34.140:80

Attributes
  • campaign_date

    2026. 2. 3

Targets

    • Target
      2026-02-05_abff3737c13a28cfa26917a665f609a7_elex_kwampirs_mafia_rhadamanthys_stealc_stop_tofsee
    • Size 159KB
    • SHA256 e6ef4ea98758f6c9e90d8e1047616a60d5241e9ed65e873c01f4e9001c9e71ee
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryvalleyrat_s2persistence

    • Detects ValleyRAT payload

    • ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Valleyrat_s2 family

      valleyrat_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.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks