Overview

overview

10

Static

static

3

2026-08-15...ar.exe

windows10-2004-x64

10

2026-08-15...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-15_a2c0eff79d40ed30b25bd3ea7ae543e3_cobalt-strike_glassworm_icedid_luca-stealer_njrat_satacom_vidar
  • Size 113.8MB
  • Sample260815-bnktlswejc
  • SHA256 a2db0cec23ea27951fe17f09a66d345cc8261296dc742724c92902903caf4a62
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloadervalleyrat_s2backdoorexecutionloaderpyinstallerupx

Malware Config

Targets

    • Target
      2026-08-15_a2c0eff79d40ed30b25bd3ea7ae543e3_cobalt-strike_glassworm_icedid_luca-stealer_njrat_satacom_vidar
    • Size 113.8MB
    • SHA256 a2db0cec23ea27951fe17f09a66d345cc8261296dc742724c92902903caf4a62
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorexecutiondonutloadervalleyrat_s2loaderupx

    • 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

    • UPX dump on OEP (original entry point)

    • Loads dropped DLL

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks