Overview

overview

9

Static

static

3

ST_SkinChanger.exe

windows10-ltsc_2021-x64

9

ST_SkinChanger.exe

windows10-2004-x64

9

Sharing

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General

  • Target
    ST_SkinChanger.exe
  • Size 15.6MB
  • Sample260818-mwtx2a1bjd
  • SHA256 a84c5d93a28258ddca187e63206718640a35e402f8d0c400b0e8212b111acf4c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
bootkitdefense_evasionexecutionpersistencetrojan

Malware Config

Targets

    • Target
      ST_SkinChanger.exe
    • Size 15.6MB
    • SHA256 a84c5d93a28258ddca187e63206718640a35e402f8d0c400b0e8212b111acf4c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    bootkitdefense_evasionexecutionpersistencetrojan

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

      defense_evasion

    • Checks BIOS information in registry

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

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks