Overview

overview

8

Static

static

3

Nursultan.exe

windows10-ltsc_2021-x64

8

Nursultan.exe

windows11-ltsc_2024-x64

Sharing

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General

  • Target
    Nursultan.rar
  • Size 2.2MB
  • Sample260908-pmlleazfrd
  • SHA256 5fe51df8bce0128d4dd12a55679fc4ea7fc6fbaa568667b9e95be79502dfc512
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasionexecutionpersistencespyware

Malware Config

Targets

    • Target
      Nursultan.exe
    • Size 2.9MB
    • SHA256 abba089518b1b76508c86b53193da43af7b3f3082c44289d7a29f9c1899fc100
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    adwaredefense_evasionexecutionpersistencespyware

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Creates new service(s)

      persistenceexecution

    • Executes dropped EXE

    • Stops running service(s)

      defense_evasionexecution

    • Drops desktop.ini file(s)

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks