Overview

overview

10

Static

static

3

Cleaner.exe

windows10-ltsc_2021-x64

10

Cleaner.exe

windows11-21h2-x64

10

Cleaner.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Cleaner.exe
  • Size 9.4MB
  • Sample260715-1yzsysas7y
  • SHA256 e31b34d30de4a3f1e67cfc9dd63be859ebecc2f437a8e5ace9e01f9802984bc2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
killmbrdefense_evasiondiscoverypersistencetrojanwiper

Malware Config

Targets

    • Target
      Cleaner.exe
    • Size 9.4MB
    • SHA256 e31b34d30de4a3f1e67cfc9dd63be859ebecc2f437a8e5ace9e01f9802984bc2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverykillmbrpersistencetrojanwiper

    • Detects KillMBR

    • Family: KillMBR

      KillMBR is a trojan that attempts to overwrite the Master Boot Record.

      wipertrojankillmbr

    • Modifies visibility of hidden/system files in Explorer

      defense_evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Tasks