General
- Target xlzyktus
- Size 549KB
- Sample230512-ndvx2scg88
- SHA256 311c93575efd4eeeb9c6674d0ab8de263b72a8fb060d04450daccc78ec095151
- MD5 895f7fff165ddfba70b7d718ac3de989
- SHA1 2663c2ebb853083f5cf645cdc0cce31c8ace4fba
- SHA512 c4d3a5eea879e69d347e29a60780e2ddc31f0d2a78abc7429b8d2b4306065c34f0ed1a03cd0a74234f5098ef239f745fccb87086c5cdaf9f65383d119e77e617
- SSDEEP 12288:VeRvuKqiVZ4En5drNK0pPEfJKlHZ8mG97Qxee6yzmxd:VIv/qiVNHNDEfJKHZ8mG9QeeOd
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Behavioral task
behavioral1
Sample
xlzyktus
Resource
ubuntu1804-amd64-en-20211208
13 signatures
150 seconds
Malware Config
Extracted
Family
-
xorddos
C2
-
www.imagetw0.com:889
-
www.myserv012.com:889
-
http://qq.com/lib.asp
Attributes
-
crc_polynomial
CDB88320
xor.plain
Targets
-
- Target xlzyktus
- Size 549KB
- SHA256 311c93575efd4eeeb9c6674d0ab8de263b72a8fb060d04450daccc78ec095151
- MD5 895f7fff165ddfba70b7d718ac3de989
- SHA1 2663c2ebb853083f5cf645cdc0cce31c8ace4fba
- SHA512 c4d3a5eea879e69d347e29a60780e2ddc31f0d2a78abc7429b8d2b4306065c34f0ed1a03cd0a74234f5098ef239f745fccb87086c5cdaf9f65383d119e77e617
- SSDEEP 12288:VeRvuKqiVZ4En5drNK0pPEfJKlHZ8mG97Qxee6yzmxd:VIv/qiVNHNDEfJKHZ8mG9QeeOd
- MD5 SHA1 SHA512 SSDEEP
Score10/10XorDDoS
Botnet and downloader malware targeting Linux-based operating systems and IoT devices.
XorDDoS payload
Writes file to system bin folder
Creates/modifies Cron job
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
Deletes itself
Enumerates active TCP sockets
Gets active TCP sockets from /proc virtual filesystem.
Executes dropped EXE
Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Writes file to shm directory
Malware can drop malicious files in the shm directory which will run directly from RAM.
Reads system network configuration
Uses contents of /proc filesystem to enumerate network settings.
Reads runtime system information
Reads data from /proc virtual filesystem.
Writes file to tmp directory
Malware often drops required files in the /tmp directory.