Analysis
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max time kernel
80s -
max time network
43s -
platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20221111-en -
resource tags
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submitted
20-04-2023 08:22
General
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Target
task2.bin
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Size
611KB
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MD5
12fecefe30f2ad8f49aae67b92920adc
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SHA1
1bba1ff3c667a41ae26b12995323f7df7c239173
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SHA256
c0b0225201fd3a4c08245e58bbb4b844e0d3426e89b9ac3fc34db37d994fb182
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SHA512
71cd6c7490c62629774ffc31ac2cbe3074949b7b7d1445044d1be649b8893c59a45930c813939c2af95bc91612bfad7e4fe301ec6a96012ea5a6e8caa0d344c0
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SSDEEP
12288:5BXOvdwV1/n/dQFhWlH/c1dHo4h9L+zNZrrIT6yF8EEP4UlUuTh1Au:5BXmkN/+Fhu/Qo4h9L+zNNIBVEBl/91l
Malware Config
Signatures
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Writes file to system bin folder 1 TTPs 5 IoCs
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Creates/modifies Cron job 1 TTPs 2 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
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Modifies init.d 1 TTPs 1 IoCs
Adds/modifies system service, likely for persistence.
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Modifies rc script 1 TTPs 17 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
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Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Write file to user bin folder 1 TTPs 6 IoCs
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Reads runtime system information 7 IoCs
Reads data from /proc virtual filesystem.
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Writes file to tmp directory 5 IoCs
Malware often drops required files in the /tmp directory.
Processes
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/tmp/task2.bin/tmp/task2.bin1⤵
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/bin/shsh -c "sed -i '/\\/etc\\/cron.hourly\\/gcc.sh/d' /etc/crontab && echo '*/3 * * * * root /etc/cron.hourly/gcc.sh' >> /etc/crontab"1⤵
- Creates/modifies Cron job
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/bin/sedsed -i "/\\/etc\\/cron.hourly\\/gcc.sh/d" /etc/crontab2⤵
- Creates/modifies Cron job
- Reads runtime system information
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/bin/chkconfigchkconfig --add task2.bin1⤵
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/sbin/chkconfigchkconfig --add task2.bin1⤵
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/usr/bin/chkconfigchkconfig --add task2.bin1⤵
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/usr/sbin/chkconfigchkconfig --add task2.bin1⤵
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/usr/local/bin/chkconfigchkconfig --add task2.bin1⤵
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/usr/local/sbin/chkconfigchkconfig --add task2.bin1⤵
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/usr/X11R6/bin/chkconfigchkconfig --add task2.bin1⤵
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/bin/update-rc.dupdate-rc.d task2.bin defaults1⤵
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/sbin/update-rc.dupdate-rc.d task2.bin defaults1⤵
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/usr/bin/update-rc.dupdate-rc.d task2.bin defaults1⤵
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/usr/sbin/update-rc.dupdate-rc.d task2.bin defaults1⤵
- Modifies rc script
- Write file to user bin folder
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/bin/systemctlsystemctl daemon-reload2⤵
- Reads runtime system information
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/usr/bin/omodnamrdd/usr/bin/omodnamrdd "netstat -antop" 6291⤵
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/usr/bin/omodnamrdd/usr/bin/omodnamrdd sh 6291⤵
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/usr/bin/omodnamrdd/usr/bin/omodnamrdd "sleep 1" 6291⤵
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/usr/bin/omodnamrdd/usr/bin/omodnamrdd "netstat -antop" 6291⤵
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/usr/bin/omodnamrdd/usr/bin/omodnamrdd "route -n" 6291⤵
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/usr/bin/qxjkipguqi/usr/bin/qxjkipguqi top 6291⤵
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/usr/bin/qxjkipguqi/usr/bin/qxjkipguqi bash 6291⤵
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/usr/bin/qxjkipguqi/usr/bin/qxjkipguqi bash 6291⤵
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/usr/bin/qxjkipguqi/usr/bin/qxjkipguqi ifconfig 6291⤵
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/usr/bin/qxjkipguqi/usr/bin/qxjkipguqi "ls -la" 6291⤵
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/usr/bin/qchwcirpsz/usr/bin/qchwcirpsz sh 6291⤵
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/usr/bin/qchwcirpsz/usr/bin/qchwcirpsz "route -n" 6291⤵
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/usr/bin/qchwcirpsz/usr/bin/qchwcirpsz whoami 6291⤵
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/usr/bin/qchwcirpsz/usr/bin/qchwcirpsz uptime 6291⤵
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/usr/bin/qchwcirpsz/usr/bin/qchwcirpsz "echo \"find\"" 6291⤵
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/usr/bin/ewiebhwsiq/usr/bin/ewiebhwsiq su 6291⤵
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/usr/bin/ewiebhwsiq/usr/bin/ewiebhwsiq ifconfig 6291⤵
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/usr/bin/ewiebhwsiq/usr/bin/ewiebhwsiq ifconfig 6291⤵
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/usr/bin/ewiebhwsiq/usr/bin/ewiebhwsiq whoami 6291⤵
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/usr/bin/ewiebhwsiq/usr/bin/ewiebhwsiq "route -n" 6291⤵
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/usr/bin/hoxeddqmlo/usr/bin/hoxeddqmlo "cat resolv.conf" 6291⤵
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/usr/bin/hoxeddqmlo/usr/bin/hoxeddqmlo su 6291⤵
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/usr/bin/hoxeddqmlo/usr/bin/hoxeddqmlo "echo \"find\"" 6291⤵
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/usr/bin/hoxeddqmlo/usr/bin/hoxeddqmlo pwd 6291⤵
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/usr/bin/hoxeddqmlo/usr/bin/hoxeddqmlo "route -n" 6291⤵
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/usr/bin/oqxfoohhcn/usr/bin/oqxfoohhcn "sleep 1" 6291⤵