Analysis
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max time kernel
151s -
max time network
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platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20231215-en -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20231215-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
19/12/2023, 23:37
Behavioral task
behavioral1
Sample
6d98dd77dc7533187e4dc917befab6d9
Resource
ubuntu1804-amd64-20231215-en
3 signatures
150 seconds
General
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Target
6d98dd77dc7533187e4dc917befab6d9
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Size
1.0MB
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MD5
6d98dd77dc7533187e4dc917befab6d9
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SHA1
98cfa3d9fffa2c8fe0f7d42607cf7b616cbe9e20
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SHA256
eef2a7d841ebc853f5bb68b30c16dac3aaedb0a8df2a81fea4dfbc89bd84094a
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SHA512
8e9d7bf7d36fee9dea05f8f37de38c0909aed40af434c5e71e96cf2232adf6c637a809cb37d010507b8bedd2a348c417abf66ae87d653782ea6bcd0a1e12aa6b
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SSDEEP
24576:RsqZhvnhHXuhshNjm3Bp6gDgR16lwzBWa4wwS49TrHg29XE/PoroyUkNR9:PhvnhHXuhshNjK8AlGWaoRroyUk
Score
6/10
Malware Config
Signatures
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Checks CPU configuration 1 TTPs 2 IoCs
Checks CPU information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /proc/cpuinfo Process not Found File opened for reading /proc/cpuinfo 6d98dd77dc7533187e4dc917befab6d9 -
Reads CPU attributes 1 TTPs 1 IoCs
description ioc File opened for reading /sys/devices/system/cpu/online -
Reads runtime system information 7 IoCs
Reads data from /proc virtual filesystem.
description ioc Process File opened for reading /proc/filesystems mv File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems sed
Processes
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/tmp/6d98dd77dc7533187e4dc917befab6d9/tmp/6d98dd77dc7533187e4dc917befab6d91⤵
- Checks CPU configuration
PID:1532 -
/bin/shsh -c "chmod +x /etc/rc.local"2⤵PID:1533
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/bin/chmodchmod +x /etc/rc.local3⤵PID:1534
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/bin/shsh -c "mv /tmp/6d98dd77dc7533187e4dc917befab6d9 /etc/6d98dd77dc7533187e4dc917befab6d9"2⤵PID:1535
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/bin/mvmv /tmp/6d98dd77dc7533187e4dc917befab6d9 /etc/6d98dd77dc7533187e4dc917befab6d93⤵
- Reads runtime system information
PID:1536
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/bin/shsh -c "cd /etc;chmod 777 6d98dd77dc7533187e4dc917befab6d9"2⤵PID:1537
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/bin/chmodchmod 777 6d98dd77dc7533187e4dc917befab6d93⤵PID:1538
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/bin/shsh -c "sed -i -e '/exit/d' /etc/rc.local"2⤵PID:1539
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/bin/sedsed -i -e /exit/d /etc/rc.local3⤵
- Reads runtime system information
PID:1540
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/bin/shsh -c "sed -i -e '/^ | | \$/d' /etc/rc.local"2⤵PID:1541
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/bin/sedsed -i -e "/^ | | \$/d" /etc/rc.local3⤵
- Reads runtime system information
PID:1542
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/bin/shsh -c "sed -i -e '/6d98dd77dc7533187e4dc917befab6d9/d' /etc/rc.local"2⤵PID:1543
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/bin/sedsed -i -e /6d98dd77dc7533187e4dc917befab6d9/d /etc/rc.local3⤵
- Reads runtime system information
PID:1544
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/bin/shsh -c "sed -i -e '2 i/etc/6d98dd77dc7533187e4dc917befab6d9 reboot' /etc/rc.local"2⤵PID:1545
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/bin/sedsed -i -e "2 i/etc/6d98dd77dc7533187e4dc917befab6d9 reboot" /etc/rc.local3⤵
- Reads runtime system information
PID:1546
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/bin/shsh -c "sed -i -e '2 i/etc/6d98dd77dc7533187e4dc917befab6d9 start' /etc/rc.d/rc.local"2⤵PID:1547
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/bin/sedsed -i -e "2 i/etc/6d98dd77dc7533187e4dc917befab6d9 start" /etc/rc.d/rc.local3⤵
- Reads runtime system information
PID:1548
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/bin/shsh -c "sed -i -e '2 i/etc/6d98dd77dc7533187e4dc917befab6d9 start' /etc/init.d/boot.local"2⤵PID:1549
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/bin/sedsed -i -e "2 i/etc/6d98dd77dc7533187e4dc917befab6d9 start" /etc/init.d/boot.local3⤵
- Reads runtime system information
PID:1550
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