Overview

overview

10

Static

static

10

2026-08-16...er.exe

windows10-2004-x64

10

2026-08-16...er.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-16_727ea1c29ab73f6af06c358b25250ce3_amadey_cobalt-strike_elex_ghostweaver_lockbit_rhadamanthys_smoke-loader
  • Size 288KB
  • Sample260816-exycvazblb
  • SHA256 dfaf951132886784c873209f7e0e813a830eb4bee7ad14308f4066157613cce5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscovery

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • yk.ggdy.com:8003

  • yk.ggdy.com:80

Attributes
  • campaign_date

    2023. 6.30

Targets

    • Target
      2026-08-16_727ea1c29ab73f6af06c358b25250ce3_amadey_cobalt-strike_elex_ghostweaver_lockbit_rhadamanthys_smoke-loader
    • Size 288KB
    • SHA256 dfaf951132886784c873209f7e0e813a830eb4bee7ad14308f4066157613cce5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryvalleyrat_s2

    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • 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