Resubmissions
20/04/2023, 08:22
230420-j9nrdsae71 1015/03/2023, 16:53
230315-vd9vjaec89 1027/11/2022, 17:44
221127-wbfpcaah7t 10Analysis
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max time kernel
0s -
max time network
34s -
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
15/03/2023, 16:53
Behavioral task
behavioral1
Sample
atrdadsrcc
Resource
ubuntu1804-amd64-20221111-en
General
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Target
atrdadsrcc
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Size
659KB
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MD5
1d79488a09ef56ae2e60e1985b18e7a2
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SHA1
0b25e8f36a9738bb4d2dd2cd711f1aa7213db517
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SHA256
4aaa0b0d1ccb91b090df97a47b15536157f6f141cdce67867d339d0f01b3981d
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SHA512
b77fda07473e8f3e7ff2a1e25bb556164e3fddb40fe791a0b96538dfcc766f96c6e15082dccc77e79fff73f34497d0c43643134a633ff8740bbc4a287ec0c91b
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SSDEEP
12288:aBo9ETRNT9Wn1J0OhS18tDm8PCExfLZ9JCCpyvOH36ybCQ7YLVN1/lFkThVArw:aBo9ANo70OE8A8PCExfLZ/CTvQrKLd/Q
Malware Config
Signatures
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Modifies rc script 1 TTPs 12 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
description ioc Process /etc/rc3.d/S90ovskycrakk /etc/rc3.d/S90ovskycrakk Process not Found /etc/rc4.d/S90ovskycrakk /etc/rc4.d/S90ovskycrakk Process not Found /etc/rc4.d/ /etc/rc4.d/ update-rc.d /etc/rc1.d/S90ovskycrakk /etc/rc1.d/S90ovskycrakk Process not Found /etc/rc2.d/S90ovskycrakk /etc/rc2.d/S90ovskycrakk Process not Found /etc/rc5.d/ /etc/rc5.d/ update-rc.d /etc/rc3.d/ /etc/rc3.d/ update-rc.d /etc/rc2.d/ /etc/rc2.d/ update-rc.d /etc/rc6.d/ /etc/rc6.d/ update-rc.d /etc/rc1.d/ /etc/rc1.d/ update-rc.d /etc/rc5.d/S90ovskycrakk /etc/rc5.d/S90ovskycrakk Process not Found /etc/rc0.d/ /etc/rc0.d/ update-rc.d -
Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 103.25.9.228 Destination IP 103.25.9.228 Destination IP 103.25.9.228 Destination IP 103.25.9.228 Destination IP 103.25.9.228 -
Write file to user bin folder 1 TTPs 1 IoCs
description ioc Process /usr/sbin/update-rc.d /usr/sbin/update-rc.d update-rc.d -
Reads runtime system information 6 IoCs
Reads data from /proc virtual filesystem.
description ioc Process /proc/self/stat /proc/self/stat systemctl /proc/sys/kernel/osrelease /proc/sys/kernel/osrelease systemctl /proc/1/environ /proc/1/environ systemctl /proc/1/sched /proc/1/sched systemctl /proc/cmdline /proc/cmdline systemctl /proc/filesystems /proc/filesystems systemctl -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc /tmp/atrdadsrcc /tmp/atrdadsrcc
Processes
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/tmp/atrdadsrcc/tmp/atrdadsrcc1⤵PID:603
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/boot/ovskycrakk/boot/ovskycrakk1⤵PID:606
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/bin/chkconfigchkconfig --add ovskycrakk1⤵PID:609
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/sbin/chkconfigchkconfig --add ovskycrakk1⤵PID:609
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/usr/bin/chkconfigchkconfig --add ovskycrakk1⤵PID:609
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/usr/sbin/chkconfigchkconfig --add ovskycrakk1⤵PID:609
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/usr/local/bin/chkconfigchkconfig --add ovskycrakk1⤵PID:609
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/usr/local/sbin/chkconfigchkconfig --add ovskycrakk1⤵PID:609
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/usr/X11R6/bin/chkconfigchkconfig --add ovskycrakk1⤵PID:609
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/bin/update-rc.dupdate-rc.d ovskycrakk defaults1⤵PID:611
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/sbin/update-rc.dupdate-rc.d ovskycrakk defaults1⤵PID:611
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/usr/bin/update-rc.dupdate-rc.d ovskycrakk defaults1⤵PID:611
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/usr/sbin/update-rc.dupdate-rc.d ovskycrakk defaults1⤵
- Modifies rc script
- Write file to user bin folder
PID:611 -
/bin/systemctlsystemctl daemon-reload2⤵
- Reads runtime system information
PID:614
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/boot/glooedfoyb/boot/glooedfoyb "netstat -antop" 6071⤵PID:634
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/boot/glooedfoyb/boot/glooedfoyb whoami 6071⤵PID:639
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/boot/glooedfoyb/boot/glooedfoyb uptime 6071⤵PID:642
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/boot/glooedfoyb/boot/glooedfoyb "netstat -an" 6071⤵PID:645
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/boot/glooedfoyb/boot/glooedfoyb "ifconfig eth0" 6071⤵PID:648
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/boot/ibazqddbpa/boot/ibazqddbpa ls 6071⤵PID:651
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/boot/ibazqddbpa/boot/ibazqddbpa bash 6071⤵PID:654
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/boot/ibazqddbpa/boot/ibazqddbpa "ifconfig eth0" 6071⤵PID:657
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/boot/ibazqddbpa/boot/ibazqddbpa "route -n" 6071⤵PID:660
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/boot/ibazqddbpa/boot/ibazqddbpa "ps -ef" 6071⤵PID:663
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/boot/xeqpipqctr/boot/xeqpipqctr "route -n" 6071⤵PID:666
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/boot/xeqpipqctr/boot/xeqpipqctr uptime 6071⤵PID:669
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/boot/xeqpipqctr/boot/xeqpipqctr sh 6071⤵PID:672
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/boot/xeqpipqctr/boot/xeqpipqctr "cd /etc" 6071⤵PID:675
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/boot/xeqpipqctr/boot/xeqpipqctr who 6071⤵PID:678
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/boot/bjvbexobug/boot/bjvbexobug ifconfig 6071⤵PID:681
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/boot/bjvbexobug/boot/bjvbexobug pwd 6071⤵PID:684
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/boot/bjvbexobug/boot/bjvbexobug pwd 6071⤵PID:687
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/boot/bjvbexobug/boot/bjvbexobug su 6071⤵PID:690
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/boot/bjvbexobug/boot/bjvbexobug "netstat -antop" 6071⤵PID:693
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/boot/sflradijah/boot/sflradijah "route -n" 6071⤵PID:696
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/boot/sflradijah/boot/sflradijah "route -n" 6071⤵PID:699
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/boot/sflradijah/boot/sflradijah "ls -la" 6071⤵PID:702
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/boot/sflradijah/boot/sflradijah sh 6071⤵PID:705
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/boot/sflradijah/boot/sflradijah uptime 6071⤵PID:708
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/boot/kgmszwgrdr/boot/kgmszwgrdr top 6071⤵PID:711
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/boot/kgmszwgrdr/boot/kgmszwgrdr whoami 6071⤵PID:714