Overview

overview

10

Static

static

3

2026-08-06...ar.exe

windows10-2004-x64

10

2026-08-06...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-06_f7ab774d8c398d9b9027f3f0095b3dca_cobalt-strike_icedid_luca-stealer_njrat_satacom_vidar
  • Size 299KB
  • Sample260806-bddmjszfra
  • SHA256 ab1c74fa462f790800eaf5f3be82633421be1fef2efa28f7eef50937b35ad620
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoorpersistenceransomware

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 103.140.126.61:1686

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 6.22

Targets

    • Target
      2026-08-06_f7ab774d8c398d9b9027f3f0095b3dca_cobalt-strike_icedid_luca-stealer_njrat_satacom_vidar
    • Size 299KB
    • SHA256 ab1c74fa462f790800eaf5f3be82633421be1fef2efa28f7eef50937b35ad620
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorvalleyrat_s2persistenceransomware

    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks