Overview

overview

10

Static

static

3

2026-08-21...ar.exe

windows10-2004-x64

10

2026-08-21...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-21_c6cdcfd7e7faa736c2a4aafaec300513_cobalt-strike_cryptbot_icedid_njrat_satacom_vidar
  • Size 3.6MB
  • Sample260822-gv295aec88
  • SHA256 6bfa96aeaec6322c82c00bcea366dc1ab596bbe9c01335b30f37a2c6592bff1e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloadervalleyrat_s2backdoorexecutionloader

Malware Config

Targets

    • Target
      2026-08-21_c6cdcfd7e7faa736c2a4aafaec300513_cobalt-strike_cryptbot_icedid_njrat_satacom_vidar
    • Size 3.6MB
    • SHA256 6bfa96aeaec6322c82c00bcea366dc1ab596bbe9c01335b30f37a2c6592bff1e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorexecutiondonutloadervalleyrat_s2loader

    • Detects DonutLoader

      loader

    • Detects ValleyRAT payload

    • 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

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks