General

  • Target
    2026.vbs
  • Size 2KB
  • Sample261009-pvd7asgv21
  • SHA256 8bc8cf4b939e22ffcd3175db5ba539b3e9d0f709c071062a5eca4104261b7293
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • valleyrat_s2

Version
  • 1.0

C2
  • 186.240.199.179:443

  • 186.240.199.212:443

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 8.12

Targets

    • Target
      2026.vbs
    • Size 2KB
    • SHA256 8bc8cf4b939e22ffcd3175db5ba539b3e9d0f709c071062a5eca4104261b7293
    • MD5 SHA1 SHA512 TLSH
    • Detects DonutLoader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks