Overview

overview

10

Static

static

10

2026-05-23...id.exe

windows10-2004-x64

10

2026-05-23...id.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-05-23_cf0330cf288105770595c97ddda66159_cobalt-strike_icedid
  • Size 250KB
  • Sample260523-pec93acs8s
  • SHA256 b90f03dc2e269ce96bffc068a658c041493046c3c72732aa3ba0c004643df2e2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloadervalleyrat_s2backdoorloader

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 127.0.0.1:6666

  • 127.0.0.1:8888

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 5.20

Targets

    • Target
      2026-05-23_cf0330cf288105770595c97ddda66159_cobalt-strike_icedid
    • Size 250KB
    • SHA256 b90f03dc2e269ce96bffc068a658c041493046c3c72732aa3ba0c004643df2e2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordonutloadervalleyrat_s2loader

    • Detects DonutLoader

      loader

    • Family: DonutLoader

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

      loaderdonutloader

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2
    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks