Analysis
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max time kernel
240s -
max time network
300s -
platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20240418-en -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20240418-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
06-05-2024 22:04
Behavioral task
behavioral1
Sample
LinuxTF
Resource
ubuntu1804-amd64-20240418-en
ubuntu-18.04-amd64
3 signatures
300 seconds
General
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Target
LinuxTF
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Size
1.0MB
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MD5
988155f2bf9242ce23193e8cbb8a001c
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SHA1
4c0c74fd0fb9fba9587f3ec7b6326db029c334b7
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SHA256
d2f2271938f895d5383a6ca9e2170da7545314eb234da1f72eb2bd58f027dfbe
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SHA512
0a461a2bf57002f0f27b56e6e5ce7d018b23bec2926bf473acb8e58ecc7cfbd4f781a1dfe2ad627ea4032aedd589bda587b27a9a17e4689889ebd322d393ed8d
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SSDEEP
24576:RsqZhvnhHXuhshNjm3Bp6gDgR16lwzBWa4wwS49TrHg29XE/PZroyUkNR9:PhvnhHXuhshNjK8AlGWaoEroyUk
Score
4/10
Malware Config
Signatures
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Checks CPU configuration 1 TTPs 1 IoCs
Checks CPU information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /proc/cpuinfo LinuxTF -
Reads CPU attributes 1 TTPs 1 IoCs
description ioc Process File opened for reading /sys/devices/system/cpu/online LinuxTF -
Reads runtime system information 7 IoCs
Reads data from /proc virtual filesystem.
description ioc Process File opened for reading /proc/filesystems sed 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
Processes
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/tmp/LinuxTF/tmp/LinuxTF1⤵
- Checks CPU configuration
- Reads CPU attributes
PID:1527 -
/bin/shsh -c "chmod +x /etc/rc.local"2⤵PID:1528
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/bin/chmodchmod +x /etc/rc.local3⤵PID:1529
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/bin/shsh -c "mv /tmp/LinuxTF /etc/LinuxTF"2⤵PID:1530
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/bin/mvmv /tmp/LinuxTF /etc/LinuxTF3⤵
- Reads runtime system information
PID:1531
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/bin/shsh -c "cd /etc;chmod 777 LinuxTF"2⤵PID:1532
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/bin/chmodchmod 777 LinuxTF3⤵PID:1533
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/bin/shsh -c "sed -i -e '/exit/d' /etc/rc.local"2⤵PID:1534
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/bin/sedsed -i -e /exit/d /etc/rc.local3⤵
- Reads runtime system information
PID:1535
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/bin/shsh -c "sed -i -e '/^ | | \$/d' /etc/rc.local"2⤵PID:1536
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/bin/sedsed -i -e "/^ | | \$/d" /etc/rc.local3⤵
- Reads runtime system information
PID:1537
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/bin/shsh -c "sed -i -e '/LinuxTF/d' /etc/rc.local"2⤵PID:1538
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/bin/sedsed -i -e /LinuxTF/d /etc/rc.local3⤵
- Reads runtime system information
PID:1539
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/bin/shsh -c "sed -i -e '2 i/etc/LinuxTF reboot' /etc/rc.local"2⤵PID:1540
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/bin/sedsed -i -e "2 i/etc/LinuxTF reboot" /etc/rc.local3⤵
- Reads runtime system information
PID:1541
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/bin/shsh -c "sed -i -e '2 i/etc/LinuxTF start' /etc/rc.d/rc.local"2⤵PID:1542
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/bin/sedsed -i -e "2 i/etc/LinuxTF start" /etc/rc.d/rc.local3⤵
- Reads runtime system information
PID:1543
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/bin/shsh -c "sed -i -e '2 i/etc/LinuxTF start' /etc/init.d/boot.local"2⤵PID:1544
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/bin/sedsed -i -e "2 i/etc/LinuxTF start" /etc/init.d/boot.local3⤵
- Reads runtime system information
PID:1545
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