ATT&CKReferencesCyble Black Basta May 2022

Cyble Black Basta May 2022

Cyble. (2022, May 6). New ransomware variant targeting high-value organizations. Retrieved November 17, 2024.

Open the source

Techniques0

Not cited by any technique.

Groups0

None recorded.

Software1

Campaigns0

None recorded.

Procedure examples11

TechniqueUsed byProcedure example
T1007
System Service Discovery
MalwareBlack Basta

Black Basta can check whether the service name `FAX` is present.

T1036.004
Masquerade Task or Service
MalwareBlack Basta

Black Basta has established persistence by creating a new service named `FAX` after deleting the legitimate service by the same name.

T1082
System Information Discovery
MalwareBlack Basta

Black Basta can collect system boot configuration and CPU information.

T1083
File and Directory Discovery
MalwareBlack Basta

Black Basta can enumerate specific files for encryption.

T1106
Native API
MalwareBlack Basta

Black Basta has the ability to use native APIs for numerous functions including discovery and defense evasion.

T1112
Modify Registry
MalwareBlack Basta

Black Basta has modified the Registry to enable itself to run in safe mode, to change the icons and file extensions for encrypted files, and to add the malware path for persistence.

T1486
Data Encrypted for Impact
MalwareBlack Basta

Black Basta can encrypt files with the ChaCha20 cypher and using a multithreaded process to increase speed. Black Basta has also encrypted files while the victim system is in safe mode, appending `.basta` upon completion.

T1490
Inhibit System Recovery
MalwareBlack Basta

Black Basta can delete shadow copies using vssadmin.exe.

T1491.001
Internal Defacement
MalwareBlack Basta

Black Basta has set the desktop wallpaper on victims' machines to display a ransom note.

T1680
Local Storage Discovery
MalwareBlack Basta

Black Basta can enumerate volumes.

T1688
Safe Mode Boot
MalwareBlack Basta

Black Basta can reboot victim machines in safe mode with networking via `bcdedit /set safeboot network`.

Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.