Akira

Akira ransomware, written in C++, is most prominently (but not exclusively) associated with the a ransomware-as-a-service entity Akira.[1]

ID: S1129
Type: MALWARE
Platforms: Windows
Version: 1.0
Created: 04 April 2024
Last Modified: 08 April 2024

Techniques Used

Domain ID Name Use
Enterprise T1059 .001 Command and Scripting Interpreter: PowerShell

Akira will execute PowerShell commands to delete system volume shadow copies.[1]

.003 Command and Scripting Interpreter: Windows Command Shell

Akira executes from the Windows command line and can take various arguments for execution.[1]

Enterprise T1486 Data Encrypted for Impact

Akira encrypts victim filesystems for financial extortion purposes.[1]

Enterprise T1083 File and Directory Discovery

Akira examines files prior to encryption to determine if they meet requirements for encryption and can be encrypted by the ransomware. These checks are performed through native Windows functions such as GetFileAttributesW.[1]

Enterprise T1490 Inhibit System Recovery

Akira will delete system volume shadow copies via PowerShell commands.[1]

Enterprise T1106 Native API

Akira executes native Windows functions such as GetFileAttributesW and GetSystemInfo.[1]

Enterprise T1135 Network Share Discovery

Akira can identify remote file shares for encryption.[1]

Enterprise T1057 Process Discovery

Akira verifies the deletion of volume shadow copies by checking for the existence of the process ID related to the process created to delete these items.[1]

Enterprise T1082 System Information Discovery

Akira uses the GetSystemInfo Windows function to determine the number of processors on a victim machine.[1]

Enterprise T1047 Windows Management Instrumentation

Akira will leverage COM objects accessed through WMI during execution to evade detection.[1]

Groups That Use This Software

ID Name References
G1024 Akira

[1]

References