Analysis
-
max time kernel
0s -
max time network
31s -
platform
linux_amd64 -
resource
ubuntu1804-amd64-en-20211208 -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-en-20211208kernel:4.15.0-161-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
21-09-2022 21:35
Behavioral task
behavioral1
Sample
fuck.elf
Resource
ubuntu1804-amd64-en-20211208
ubuntu-18.04-amd64
6 signatures
150 seconds
General
-
Target
fuck.elf
-
Size
611KB
-
MD5
ee5edcc4d824db63a8c8264a8631f067
-
SHA1
ce483e6b254cc3ed3ede2e1fee3f959cc4eddbe8
-
SHA256
b84cf164fde12dd07192aa44f1b943044610539fd979e0f9359d44062f21a612
-
SHA512
4a3b98bbea252e8980fc4133eb026a6c673313c6b92a6fc865481c79321cdf24446f651973efbf01fe06794d397d076accedf99b07da0c08d32d3fa4e382bc54
-
SSDEEP
12288:UB1tATMVAqnf+ExxBHYpmA38X8LYkCW6Ti4x6yB1/iGK4UlUuTh1AG:UB1BVpmExDYp38X8LYTWh4fNiGQl/91h
Score
9/10
Malware Config
Signatures
-
Writes file to system bin folder 1 TTPs 4 IoCs
Processes:
description ioc /bin/vxquhwhurl /bin/vxquhwhurl /bin/ldogblcjmd /bin/ldogblcjmd /bin/qbcnaxbloh /bin/qbcnaxbloh /bin/klswcxlikn /bin/klswcxlikn -
Creates/modifies Cron job 1 TTPs 2 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
Processes:
sedshdescription ioc Process /etc/crontab /etc/crontab sed /etc/crontab /etc/crontab sh -
Modifies rc script 1 TTPs 12 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
Processes:
update-rc.ddescription ioc Process /etc/rc0.d/ /etc/rc0.d/ update-rc.d /etc/rc4.d/ /etc/rc4.d/ update-rc.d /etc/rc6.d/ /etc/rc6.d/ update-rc.d /etc/rc1.d/ /etc/rc1.d/ update-rc.d /etc/rc1.d/S90fuck.elf /etc/rc1.d/S90fuck.elf