ATT&CKReferences3cx official statement 2023

3cx official statement 2023

Agathocles Prodromou. (2023, April 20). Security Update Thursday 20 April 2023 – Initial Intrusion Vector Found. Retrieved August 25, 2025.

Open the source

Techniques0

Not cited by any technique.

Groups0

None recorded.

Software0

None recorded.

Campaigns1

Procedure examples2

TechniqueUsed byProcedure example
T1078
Valid Accounts
Campaign3CX Supply Chain Attack

During 3CX Supply Chain Attack, AppleJeus has gained access to the 3CX corporate environment through legitimate VPN credentials.

T1553.002
Code Signing
Campaign3CX Supply Chain Attack

Although the X_TRADER platform was reportedly discontinued in 2020, it was still available for download from the legitimate Trading Technologies website in 2022. During the 3CX Supply Chain Attack, AppleJeus used a code signing certificate to digitally sign the malicious software with an expiration date set to October 2022. This file was signed with the subject “Trading Technologies International, Inc” and contained the executable file Setup.exe, also signed with the same digital certificate.

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