Overview

overview

9

Static

static

3

Update.exe

windows10-2004-x64

9

Update.exe

windows11-ltsc_2024-x64

9

Sharing

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General

  • Target
    Update.exe
  • Size 8.4MB
  • Sample261003-sd1kra117n
  • SHA256 a59ad3b02d0f692c8881793cfaf02e518e09a0768d0369e1982791ccbcea6e77
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexecutionpersistencetrojan

Malware Config

Targets

    • Target
      Update.exe
    • Size 8.4MB
    • SHA256 a59ad3b02d0f692c8881793cfaf02e518e09a0768d0369e1982791ccbcea6e77
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexecutionpersistencetrojan

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      defense_evasion

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Enumerates connected drives

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

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Suspicious use of NtSetInformationThreadHideFromDebugger

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks