Overview

overview

10

Static

static

1

memz.bat

windows10-2004-x64

memz.bat

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    memz.bat
  • Size 22KB
  • Sample260925-knm4eace24
  • SHA256 e1ccf67c2a92c333d5616421d1d8d4a17be6f37098d2b0e7e1b5a5788bcd3559
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
killmbrbootkitdefense_evasiondiscoveryexecutionpersistencetrojanwiper

Malware Config

Targets

    • Target
      memz.bat
    • Size 22KB
    • SHA256 e1ccf67c2a92c333d5616421d1d8d4a17be6f37098d2b0e7e1b5a5788bcd3559
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    bootkitdefense_evasiondiscoveryexecutionkillmbrpersistencetrojanwiper

    • Detects KillMBR

    • Family: KillMBR

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

      wipertrojankillmbr

    • Checks computer location settings

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

    • Executes dropped EXE

    • Deobfuscate/Decode Files or Information

      Payload decoded via CertUtil.

      defense_evasion

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks