General

  • Target
    0B82B7C4AD21F54E62C93B8976E62726.exe
  • Size 2.1MB
  • Sample260228-rd2blsat4e
  • SHA256 d8ae95705379f6f0233c294d5d9d841ebccb6dae75736aadd0ff25d6d350b9ed
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • valleyrat_s2

Version
  • 1.0

C2
  • 108.187.43.3:1799

  • 108.187.43.3:443

  • 108.187.43.3:80

Attributes
  • campaign_date

    2026. 2.14

Targets

    • Target
      0B82B7C4AD21F54E62C93B8976E62726.exe
    • Size 2.1MB
    • SHA256 d8ae95705379f6f0233c294d5d9d841ebccb6dae75736aadd0ff25d6d350b9ed
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

    • Detects DonutLoader

    • Detects ValleyRAT payload

    • DonutLoader

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

    • Donutloader family

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    • Gh0strat family

    • PurpleFox

      PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

    • Purplefox family

    • ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

    • Valleyrat_s2 family

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Executes dropped EXE

    • Enumerates connected drives

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

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks