ATT&CKReferencesJPCERT SPAWNCHIMERA Ivanti February 2025

JPCERT SPAWNCHIMERA Ivanti February 2025

Yuma Masubuchi. (2025, February 20). SPAWNCHIMERA Malware: The Chimera Spawning from Ivanti Connect Secure Vulnerability. Retrieved April 17, 2026.

Open the source

Techniques0

Not cited by any technique.

Groups0

None recorded.

Software1

Campaigns0

None recorded.

Procedure examples6

TechniqueUsed byProcedure example
T1027.013
Encrypted/Encoded File
MalwareSPAWNCHIMERA

SPAWNCHIMERA has encoded a private key with XOR. SPAWNCHIMERA has also encrypted data to be extracted using AES encryption.

T1055.002
Portable Executable Injection
MalwareSPAWNCHIMERA

SPAWNCHIMERA has executed only in memory and hooked itself into existing processes on the victim device to include the web process.

T1140
Deobfuscate/Decode Files or Information
MalwareSPAWNCHIMERA

SPAWNCHIMERA has decoded a XOR encoded private key.

T1480.002
Mutual Exclusion
MalwareSPAWNCHIMERA

SPAWNCHIMERA has fixed a buffer overflow vulnerability (CVE-2025-0282) by hooking the strncpy function and limiting the size to 256 to prevent other actors from leveraging the exploit. SPAWNCHIMERA has converted its process name to hexadecimal and verifies an added value which is triggered when the first byte of the source copied to the fixed strncpy function matches `0x04050203`.

T1559
Inter-Process Communication
MalwareSPAWNCHIMERA

SPAWNCHIMERA has leveraged IPC using a UNIX domain socket between the dsmdm process and the web process.

T1571
Non-Standard Port
MalwareSPAWNCHIMERA

SPAWNCHIMERA has the ability to bind on a localhost and listen on port 8300.

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