General
- Target task2.bin.elf
- Size 611KB
- Sample230406-ncbssaef5z
- SHA256 c0b0225201fd3a4c08245e58bbb4b844e0d3426e89b9ac3fc34db37d994fb182
- MD5 12fecefe30f2ad8f49aae67b92920adc
- SHA1 1bba1ff3c667a41ae26b12995323f7df7c239173
- SHA512 71cd6c7490c62629774ffc31ac2cbe3074949b7b7d1445044d1be649b8893c59a45930c813939c2af95bc91612bfad7e4fe301ec6a96012ea5a6e8caa0d344c0
- SSDEEP 12288:5BXOvdwV1/n/dQFhWlH/c1dHo4h9L+zNZrrIT6yF8EEP4UlUuTh1Au:5BXmkN/+Fhu/Qo4h9L+zNNIBVEBl/91l
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Behavioral task
behavioral1
Sample
task2.bin.elf
Resource
ubuntu1804-amd64-en-20211208
7 signatures
150 seconds
Malware Config
Extracted
Family
-
xorddos
C2
-
http://aaa.dsaj2a.org/config.rar
-
ww.dnstells.com:53
-
ww.gzcfr5axf6.com:53
-
ww.gzcfr5axf7.com:53
Attributes
-
crc_polynomial
EDB88320
xor.plain
Targets
-
- Target task2.bin.elf
- Size 611KB
- SHA256 c0b0225201fd3a4c08245e58bbb4b844e0d3426e89b9ac3fc34db37d994fb182
- MD5 12fecefe30f2ad8f49aae67b92920adc
- SHA1 1bba1ff3c667a41ae26b12995323f7df7c239173
- SHA512 71cd6c7490c62629774ffc31ac2cbe3074949b7b7d1445044d1be649b8893c59a45930c813939c2af95bc91612bfad7e4fe301ec6a96012ea5a6e8caa0d344c0
- SSDEEP 12288:5BXOvdwV1/n/dQFhWlH/c1dHo4h9L+zNZrrIT6yF8EEP4UlUuTh1Au:5BXmkN/+Fhu/Qo4h9L+zNNIBVEBl/91l
- MD5 SHA1 SHA512 SSDEEP
Score9/10Writes file to system bin folder
Creates/modifies Cron job
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Write file to user bin folder
Reads runtime system information
Reads data from /proc virtual filesystem.
Writes file to tmp directory
Malware often drops required files in the /tmp directory.