Analysis
-
max time kernel
0s -
max time network
37s -
platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20221111-en -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20221111-enkernel:4.15.0-161-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
27-03-2023 07:44
Behavioral task
behavioral1
Sample
task2.bin
Resource
ubuntu1804-amd64-20221111-en
ubuntu-18.04-amd64
7 signatures
150 seconds
General
-
Target
task2.bin
-
Size
611KB
-
MD5
12fecefe30f2ad8f49aae67b92920adc
-
SHA1
1bba1ff3c667a41ae26b12995323f7df7c239173
-
SHA256
c0b0225201fd3a4c08245e58bbb4b844e0d3426e89b9ac3fc34db37d994fb182
-
SHA512
71cd6c7490c62629774ffc31ac2cbe3074949b7b7d1445044d1be649b8893c59a45930c813939c2af95bc91612bfad7e4fe301ec6a96012ea5a6e8caa0d344c0
-
SSDEEP
12288:5BXOvdwV1/n/dQFhWlH/c1dHo4h9L+zNZrrIT6yF8EEP4UlUuTh1Au:5BXmkN/+Fhu/Qo4h9L+zNNIBVEBl/91l
Score
9/10
Malware Config
Signatures
-
Writes file to system bin folder 1 TTPs 5 IoCs
Processes:
description ioc /bin/uwaeowcxpf /bin/uwaeowcxpf /bin/eviooxvpzf /bin/eviooxvpzf /bin/cdlxekkaoj /bin/cdlxekkaoj /bin/kezldulgbz /bin/kezldulgbz /bin/qzahpxtorc /bin/qzahpxtorc -
Creates/modifies Cron job 1 TTPs 2 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
Processes:
shseddescription ioc Process /etc/crontab /etc/crontab sh /etc/crontab /etc/crontab sed -
Modifies rc script 1 TTPs 12 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
Processes:
update-rc.ddescription ioc Process /etc/rc4.d/ /etc/rc4.d/ update-rc.d /etc/rc1.d/ /etc/rc1.d/ update-rc.d /etc/rc3.d/ /etc/rc3.d/ update-rc.d /etc/rc1.d/S90task2.bin /etc/rc1.d/S90task2.bin