Analysis
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max time kernel
53s -
max time network
40s -
platform
linux_amd64 -
resource
ubuntu1804-amd64-en-20211208 -
resource tags
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submitted
20-04-2023 08:22
General
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Target
a06
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Size
611KB
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MD5
3c49b5160b981f06bd5242662f8d0a54
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SHA1
c50933e1f8a194e608049839707d8d698dd5caa5
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SHA256
c394440c56fdcda9739fbb966e9ac2eab9e11e2eeff0720eb4c850a05b33eefc
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SHA512
d947f1ecfb10002bc05bb6d1786758dfecb9000b94140128ccc9a68bd3a032ccb7360f27a3f7f522df856b372691bde46792975f6ac82c6fa0218d38b0d8488e
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SSDEEP
12288:UB1tATMVAqnf+ExxBHYpmA38X8LYkCW6Tikx6yB1/iGK4UlUuTh1AG:UB1BVpmExDYp38X8LYTWhkfNiGQl/91h
Score
9/10
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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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/a06/tmp/a061⤵
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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 a061⤵
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/sbin/chkconfigchkconfig --add a061⤵
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/usr/bin/chkconfigchkconfig --add a061⤵
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/usr/sbin/chkconfigchkconfig --add a061⤵
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/usr/local/bin/chkconfigchkconfig --add a061⤵
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/usr/local/sbin/chkconfigchkconfig --add a061⤵
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/usr/X11R6/bin/chkconfigchkconfig --add a061⤵
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/bin/update-rc.dupdate-rc.d a06 defaults1⤵
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/sbin/update-rc.dupdate-rc.d a06 defaults1⤵
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/usr/bin/update-rc.dupdate-rc.d a06 defaults1⤵
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/usr/sbin/update-rc.dupdate-rc.d a06 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/qtqaerqesm/usr/bin/qtqaerqesm "netstat -antop" 5861⤵
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/usr/bin/qtqaerqesm/usr/bin/qtqaerqesm "ls -la" 5861⤵
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/usr/bin/qtqaerqesm/usr/bin/qtqaerqesm "echo \"find\"" 5861⤵
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/usr/bin/qtqaerqesm/usr/bin/qtqaerqesm "ps -ef" 5861⤵
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/usr/bin/qtqaerqesm/usr/bin/qtqaerqesm who 5861⤵
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/usr/bin/kugjqzixxg/usr/bin/kugjqzixxg "cd /etc" 5861⤵
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/usr/bin/kugjqzixxg/usr/bin/kugjqzixxg "grep \"A\"" 5861⤵
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/usr/bin/kugjqzixxg/usr/bin/kugjqzixxg "cd /etc" 5861⤵
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/usr/bin/kugjqzixxg/usr/bin/kugjqzixxg "cat resolv.conf" 5861⤵
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/usr/bin/kugjqzixxg/usr/bin/kugjqzixxg top 5861⤵
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/usr/bin/nnhdbulxlc/usr/bin/nnhdbulxlc "ls -la" 5861⤵
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/usr/bin/nnhdbulxlc/usr/bin/nnhdbulxlc "grep \"A\"" 5861⤵
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/usr/bin/nnhdbulxlc/usr/bin/nnhdbulxlc "echo \"find\"" 5861⤵
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/usr/bin/nnhdbulxlc/usr/bin/nnhdbulxlc sh 5861⤵
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/usr/bin/nnhdbulxlc/usr/bin/nnhdbulxlc whoami 5861⤵
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/usr/bin/dqscapvnrp/usr/bin/dqscapvnrp "route -n" 5861⤵
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/bin/chkconfigchkconfig --del "���&������&���"1⤵
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/sbin/chkconfigchkconfig --del "���&������&���"1⤵
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/usr/bin/chkconfigchkconfig --del "���&������&���"1⤵
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/usr/sbin/chkconfigchkconfig --del "���&������&���"1⤵
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/usr/local/bin/chkconfigchkconfig --del "���&������&���"1⤵
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/usr/local/sbin/chkconfigchkconfig --del "���&������&���"1⤵
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/usr/X11R6/bin/chkconfigchkconfig --del "���&������&���"1⤵