Overview

overview

10

Static

static

5

2025-05-02...er.exe

windows10-2004-x64

10

2025-05-02...er.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2025-05-02_252daf427ff74462bacd78a31277eb08_black-basta_elex_luca-stealer
  • Size 8.3MB
  • Sample250502-ml89zaspx6
  • SHA256 4a0a1ecc1e6ee951eda7f8b8944f551558384e7e6cf84b7e1348126271c572fe
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
defense_evasiondiscoverypersistenceransomwaretrojanupx

Malware Config

Targets

    • Target
      2025-05-02_252daf427ff74462bacd78a31277eb08_black-basta_elex_luca-stealer
    • Size 8.3MB
    • SHA256 4a0a1ecc1e6ee951eda7f8b8944f551558384e7e6cf84b7e1348126271c572fe
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    defense_evasiondiscoverypersistenceransomwaretrojanupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      defense_evasion

    • Modifies visiblity of hidden/system files in Explorer

      defense_evasion

    • UAC bypass

      defense_evasiontrojan

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables use of System Restore points

      defense_evasion

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

8
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks