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Overview

overview

10

Static

static

1

test.bat

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    test.bat

  • Size

    532B

  • Sample

    250305-1mx5zs1jv5

  • MD5

    31c1a3b7ca1a53b2329747710c4f453a

  • SHA1

    097e4cf654f0edc37ae66eca54aa349bec94bb54

  • SHA256

    816666326e1e0d9a58c505bad1bb94b882dab6edf9ec4ccbe0ae5674ebf95f96

  • SHA512

    1168f9e47eaf20e4dfad632344cc3d536f03eee556c42015dc4e82684dbb605cbe556002ff5ebe1ea3e53987cd09720fcec6ef9a578b1379035d92e219b3627c

Score
10/10
badrabbitbootkitdefense_evasiondiscoverypersistenceransomwareupx

Malware Config

Targets

    • Target

      test.bat

    • Size

      532B

    • MD5

      31c1a3b7ca1a53b2329747710c4f453a

    • SHA1

      097e4cf654f0edc37ae66eca54aa349bec94bb54

    • SHA256

      816666326e1e0d9a58c505bad1bb94b882dab6edf9ec4ccbe0ae5674ebf95f96

    • SHA512

      1168f9e47eaf20e4dfad632344cc3d536f03eee556c42015dc4e82684dbb605cbe556002ff5ebe1ea3e53987cd09720fcec6ef9a578b1379035d92e219b3627c

    Score
    10/10
    badrabbitbootkitdefense_evasiondiscoverypersistenceransomwareupx

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

      ransomwarebadrabbit

    • Badrabbit family

      badrabbit

    • Modifies WinLogon for persistence

      persistence

    • Disables Task Manager via registry modification

      defense_evasion

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Sets desktop wallpaper using registry

      ransomware

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Safe Mode Boot

1
T1562.009

Modify Registry

3
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Tasks