Analysis
- max time kernel
32s - max time network
152s - platform
debian-12_armhf - resource
debian12-armhf-20260513-en - resource tags
arch:armhfimage:debian12-armhf-20260513-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem - submitted
03/10/2026, 12:29
Behavioral task
behavioral1
Sample
pty10
Resource
debian12-armhf-20260513-en
10 signatures
150 seconds
General
- Target pty10
- Size 782KB
- Sample261003-ppcraaycqa
- SHA256 aebc7d622eaef343c462ac1f4442191798c3f59563f222fa8cf386d15fe44225
- MD5 4ce6a00b6110069929311e18e32973ad
- SHA1 7c6337ae3ab32c5ed9f353ff986962536ba995a9
- SHA512 8f67b4c1c535165fae381d0dc3323119625f386aa2fcc18cc5b035f5479852b3a139651d4262566f884958da7f24ff1fbf7a1b3b92b35e8d39d83cabe46b790d
- SSDEEP 24576:94rrq9fbGIFcSrtgk2/Ow9eWI2ZcaeN/yEN:yW9DPOSqk+0WISsyi
- TLSH T119053358378E0BA602AFDF4DCC01B9D4C2C7352C95F3AF88258A067663F5175EF6A492
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Kaiten/Tsunami Payload 1 IoCs
resource yara_rule behavioral1/memory/773-1-0x00008000-0x001b85b0-memory.dmp family_kaiten_v3 - Creates/modifies Cron job 1 TTPs 5 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
description ioc Process File opened for modification /var/spool/cron/crontabs/tmp.TJBO8a crontab File opened for modification /var/spool/cron/crontabs/tmp.TvyuR4 crontab File opened for modification /var/spool/cron/crontabs/tmp.Jy2lxG crontab File opened for modification /var/spool/cron/crontabs/tmp.NMgsY8 crontab File opened for modification /var/spool/cron/crontabs/tmp.FWJtYn crontab - Enumerates running processes
Discovers information about currently running processes on the system
- Indicator Removal: Timestomp 1 TTPs 10 IoCs
Adversaries may remove indicators of compromise from the host to evade detection.
pid Process 850 touch 870 touch 890 touch 909 sh 910 touch 849 sh 869 sh 889 sh 825 sh 826 touch -
resource yara_rule behavioral1/files/fstream-7.dat upx - Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself q46joaan3cadlvnv 773 pty10 -
description ioc Process File opened for reading /proc/29/cmdline pidof File opened for reading /proc/198/cmdline pidof File opened for reading /proc/211/cmdline pidof File opened for reading /proc/6/stat pidof File opened for reading /proc/11/stat pidof File opened for reading /proc/643/stat pidof File opened for reading /proc/768/cmdline pidof File opened for reading /proc/773/stat pidof File opened for reading /proc/32/cmdline pidof File opened for reading /proc/16/cmdline pidof File opened for reading /proc/29/stat pidof File opened for reading /proc/381/stat pidof File opened for reading /proc/681/cmdline pidof File opened for reading /proc/733/stat pidof File opened for reading /proc/733/cmdline pidof File opened for reading /proc/self/maps grep File opened for reading /proc/31/stat pidof File opened for reading /proc/34/cmdline pidof File opened for reading /proc/6/cmdline pidof File opened for reading /proc/16/stat pidof File opened for reading /proc/34/cmdline pidof File opened for reading /proc/42/stat pidof File opened for reading /proc/773/stat pidof File opened for reading /proc/self/maps grep File opened for reading /proc/733/stat pidof File opened for reading /proc/193/cmdline pidof File opened for reading /proc/14/stat pidof File opened for reading /proc/32/stat pidof File opened for reading /proc/44/stat pidof File opened for reading /proc/9/cmdline pidof File opened for reading /proc/20/stat pidof File opened for reading /proc/803/stat pidof File opened for reading /proc/19/cmdline pidof File opened for reading /proc/28/stat pidof File opened for reading /proc/35/cmdline pidof File opened for reading /proc/56/stat pidof File opened for reading /proc/360/cmdline pidof File opened for reading /proc/self/maps grep File opened for reading /proc/208/cmdline pidof File opened for reading /proc/773/cmdline pidof File opened for reading /proc/774/cmdline pidof File opened for reading /proc/24/stat pidof File opened for reading /proc/359/stat pidof File opened for reading /proc/368/cmdline pidof File opened for reading /proc/18/stat pidof File opened for reading /proc/32/cmdline pidof File opened for reading /proc/198/stat pidof File opened for reading /proc/642/stat pidof File opened for reading /proc/51/cmdline pidof File opened for reading /proc/769/cmdline pidof File opened for reading /proc/21/cmdline pidof File opened for reading /proc/26/cmdline pidof File opened for reading /proc/73/stat pidof File opened for reading /proc/22/cmdline pidof File opened for reading /proc/676/cmdline pidof File opened for reading /proc/801/stat pidof File opened for reading /proc/17/stat pidof File opened for reading /proc/19/stat pidof File opened for reading /proc/57/stat pidof File opened for reading /proc/208/stat pidof File opened for reading /proc/292/cmdline pidof File opened for reading /proc/1/cmdline pidof File opened for reading /proc/32/stat pidof File opened for reading /proc/280/stat pidof - Writes file to shm directory 1 IoCs
Malware can drop malicious files in the shm directory which will run directly from RAM.
description ioc Process File opened for modification /dev/shm/pty10 cp - Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/.bawtz pty10
Processes
-
/tmp/pty10/tmp/pty101⤵
- Changes its process name
- Writes file to tmp directory
PID:773 -
/bin/shsh -c "pidof -x strace > /dev/null"2⤵PID:787
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/usr/bin/pidofpidof -x strace3⤵
- Reads runtime system information
PID:788
-
-
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/bin/shsh -c "pidof -x tcpdump > /dev/null"2⤵PID:802
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/usr/bin/pidofpidof -x tcpdump3⤵
- Reads runtime system information
PID:803
-
-
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/bin/shsh -c "crontab -l | grep /tmp/pty10 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /tmp/pty10 > /dev/null 2>&1 &\") | crontab -"2⤵PID:809
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/usr/bin/crontabcrontab -l3⤵PID:812
-
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/usr/bin/grepgrep -v "no cron"3⤵PID:815
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/usr/bin/grepgrep /tmp/pty103⤵PID:814
-
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/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:817
-
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/usr/bin/crontabcrontab -l3⤵PID:819
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-
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/bin/shsh -c "cat /etc/inittab | grep -v \"/tmp/pty10\" > /etc/inittab2"2⤵PID:807
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/usr/bin/catcat /etc/inittab3⤵PID:810
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/usr/bin/grepgrep -v /tmp/pty103⤵PID:813
-
-
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/bin/shsh -c "crontab -r"2⤵PID:808
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/usr/bin/crontabcrontab -r3⤵PID:811
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-
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/bin/shsh -c "echo \"0:2345:respawn:/tmp/pty10\" >> /etc/inittab2"2⤵PID:820
-
-
/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:821
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/usr/bin/catcat /etc/inittab23⤵PID:822
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-
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/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:823
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/usr/bin/rmrm -rf /etc/inittab23⤵PID:824
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-
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/bin/shsh -c "touch -acmr /bin/ls /etc/inittab"2⤵
- Indicator Removal: Timestomp
PID:825 -
/usr/bin/touchtouch -acmr /bin/ls /etc/inittab3⤵
- Indicator Removal: Timestomp
PID:826
-
-
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/bin/shsh -c "cp -f /tmp/pty10 /dev/shm/pty10"2⤵PID:830
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/usr/bin/cpcp -f /tmp/pty10 /dev/shm/pty103⤵
- Writes file to shm directory
PID:831
-
-
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/bin/shsh -c "/bin/uname -n"2⤵PID:829
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/bin/uname/bin/uname -n3⤵PID:832
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-
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/bin/shsh -c "cat /etc/inittab | grep -v \"/dev/shm/pty10\" > /etc/inittab2"2⤵PID:834
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/usr/bin/catcat /etc/inittab3⤵PID:836
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/usr/bin/grepgrep -v /dev/shm/pty103⤵PID:837
-
-
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/bin/shsh -c "crontab -l | grep /dev/shm/pty10 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /dev/shm/pty10 > /dev/null 2>&1 &\") | crontab -"2⤵PID:835
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/usr/bin/crontabcrontab -l3⤵PID:838
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/usr/bin/grepgrep /dev/shm/pty103⤵PID:839
-
-
/usr/bin/grepgrep -v "no cron"3⤵PID:840
-
-
/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:843
-
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/usr/bin/crontabcrontab -l3⤵PID:844
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-
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/bin/shsh -c "echo \"0:2345:respawn:/dev/shm/pty10\" >> /etc/inittab2"2⤵PID:841
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/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:845
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/usr/bin/catcat /etc/inittab23⤵PID:846
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-
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/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:847
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/usr/bin/rmrm -rf /etc/inittab23⤵PID:848
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-
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/bin/shsh -c "touch -acmr /bin/ls /etc/inittab"2⤵
- Indicator Removal: Timestomp
PID:849 -
/usr/bin/touchtouch -acmr /bin/ls /etc/inittab3⤵
- Indicator Removal: Timestomp
PID:850
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-
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/bin/shsh -c "cp -f /tmp/pty10 /var/tmp/pty10"2⤵PID:851
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/usr/bin/cpcp -f /tmp/pty10 /var/tmp/pty103⤵PID:852
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-
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/bin/shsh -c "cat /etc/inittab | grep -v \"/var/tmp/pty10\" > /etc/inittab2"2⤵PID:854
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/usr/bin/catcat /etc/inittab3⤵PID:856
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/usr/bin/grepgrep -v /var/tmp/pty103⤵PID:857
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-
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/bin/shsh -c "crontab -l | grep /var/tmp/pty10 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /var/tmp/pty10 > /dev/null 2>&1 &\") | crontab -"2⤵PID:855
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/usr/bin/grepgrep /var/tmp/pty103⤵PID:859
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/usr/bin/crontabcrontab -l3⤵PID:858
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/usr/bin/grepgrep -v "no cron"3⤵PID:860
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/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:863
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/usr/bin/crontabcrontab -l3⤵PID:864
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-
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/bin/shsh -c "echo \"0:2345:respawn:/var/tmp/pty10\" >> /etc/inittab2"2⤵PID:861
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/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:865
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/usr/bin/catcat /etc/inittab23⤵PID:866
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-
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/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:867
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/usr/bin/rmrm -rf /etc/inittab23⤵PID:868
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-
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/bin/shsh -c "touch -acmr /bin/ls /etc/inittab"2⤵
- Indicator Removal: Timestomp
PID:869 -
/usr/bin/touchtouch -acmr /bin/ls /etc/inittab3⤵
- Indicator Removal: Timestomp
PID:870
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-
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/bin/shsh -c "cp -f /tmp/pty10 /var/lock/pty10"2⤵PID:871
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/usr/bin/cpcp -f /tmp/pty10 /var/lock/pty103⤵PID:872
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-
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/bin/shsh -c "cat /etc/inittab | grep -v \"/var/lock/pty10\" > /etc/inittab2"2⤵PID:874
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/usr/bin/catcat /etc/inittab3⤵PID:876
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/usr/bin/grepgrep -v /var/lock/pty103⤵
- Reads runtime system information
PID:877
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-
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/bin/shsh -c "crontab -l | grep /var/lock/pty10 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /var/lock/pty10 > /dev/null 2>&1 &\") | crontab -"2⤵PID:875
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/usr/bin/crontabcrontab -l3⤵PID:878
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/usr/bin/grepgrep /var/lock/pty103⤵PID:879
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/usr/bin/grepgrep -v "no cron"3⤵PID:880
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/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:883
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/usr/bin/crontabcrontab -l3⤵PID:884
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-
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/bin/shsh -c "echo \"0:2345:respawn:/var/lock/pty10\" >> /etc/inittab2"2⤵PID:881
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/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:885
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/usr/bin/catcat /etc/inittab23⤵PID:886
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-
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/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:887
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/usr/bin/rmrm -rf /etc/inittab23⤵PID:888
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-
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/bin/shsh -c "touch -acmr /bin/ls /etc/inittab"2⤵
- Indicator Removal: Timestomp
PID:889 -
/usr/bin/touchtouch -acmr /bin/ls /etc/inittab3⤵
- Indicator Removal: Timestomp
PID:890
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-
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/bin/shsh -c "cp -f /tmp/pty10 /var/run/pty10"2⤵PID:891
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/usr/bin/cpcp -f /tmp/pty10 /var/run/pty103⤵PID:892
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-
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/bin/shsh -c "cat /etc/inittab | grep -v \"/var/run/pty10\" > /etc/inittab2"2⤵PID:894
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/usr/bin/catcat /etc/inittab3⤵PID:896
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/usr/bin/grepgrep -v /var/run/pty103⤵
- Reads runtime system information
PID:897
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/bin/shsh -c "crontab -l | grep /var/run/pty10 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /var/run/pty10 > /dev/null 2>&1 &\") | crontab -"2⤵PID:895
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/usr/bin/crontabcrontab -l3⤵PID:898
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/usr/bin/grepgrep -v "no cron"3⤵PID:900
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/usr/bin/grepgrep /var/run/pty103⤵
- Reads runtime system information
PID:899
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/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:903
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/usr/bin/crontabcrontab -l3⤵PID:904
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-
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/bin/shsh -c "echo \"0:2345:respawn:/var/run/pty10\" >> /etc/inittab2"2⤵PID:901
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/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:905
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/usr/bin/catcat /etc/inittab23⤵PID:906
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/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:907
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/usr/bin/rmrm -rf /etc/inittab23⤵PID:908
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-
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/bin/shsh -c "touch -acmr /bin/ls /etc/inittab"2⤵
- Indicator Removal: Timestomp
PID:909 -
/usr/bin/touchtouch -acmr /bin/ls /etc/inittab3⤵
- Indicator Removal: Timestomp
PID:910
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path /dev/shm/pty10
- Size 782KB
- SHA256 aebc7d622eaef343c462ac1f4442191798c3f59563f222fa8cf386d15fe44225
- MD5 4ce6a00b6110069929311e18e32973ad
- SHA1 7c6337ae3ab32c5ed9f353ff986962536ba995a9
- SHA512 8f67b4c1c535165fae381d0dc3323119625f386aa2fcc18cc5b035f5479852b3a139651d4262566f884958da7f24ff1fbf7a1b3b92b35e8d39d83cabe46b790d
- SSDEEP 24576:94rrq9fbGIFcSrtgk2/Ow9eWI2ZcaeN/yEN:yW9DPOSqk+0WISsyi
- TLSH T119053358378E0BA602AFDF4DCC01B9D4C2C7352C95F3AF88258A067663F5175EF6A492
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /etc/inittab2
- Size 147B
- SHA256 8b96259f4ab0c092701259e8fc6f004ad38c74281faea62926b40a8d33c08558
- MD5 80dbe5f0a997ba4b4d95fbe33a01206d
- SHA1 01a904d5d3ce3a30465e9fe5ed9058c15e3dcf4c
- SHA512 32f8868938eef02be63426c434a13724ca0873896446a967661be87c40c8182035d7f215e8748dcf4c21df03fd055ae4f3b11a9351ca0a4f13d16a721124f025
- TLSH T193C04803FC322CAC84F0A22804280002E2834308D1C38B0FC90F39728A08F0A6E7002A
- MD5 SHA1 SHA512 TLSH
- Path /etc/inittab2
- Size 26B
- SHA256 f24f3e30df8aad9492bae5d3a0c3e3a223a30e2269a88ad788e29343bd6093db
- MD5 f7f555488797493aeda7415c1e89575d
- SHA1 82f83553dfdefa7cdb6ad24b58207d0dd0f5f80d
- SHA512 326351fdcc74f33555c4e74edece7f14eca458cac901bbf853d8feb4ed1d1283e95c88395aa2a4481ef8958be44b5601cf350331008ba9a43a5c73336859b078
- MD5 SHA1 SHA512
- Path /etc/inittab2
- Size 56B
- SHA256 48ef014ece85962934660a812d4613935ab385fa83fdaa5eb13500be7b40c87a
- MD5 1e8e72b095f871499889d440ad14122d
- SHA1 fe1d5a63c6dfb8658b255fd6c68d88c8563b17f6
- SHA512 7106b8bd10742561e208b292e2cc3127330ff101cec3aac7e4f59807ee13cbe6669e14ecf2c6d5cf522c6f308aa3a63d628de4b2d06ee2e39b4c2622e43ca6b9
- TLSH T1C1900203F8501D0C91F0A01805000101D2035708D5C70B1E814B29729608F0A6E74002
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.FWJtYn
- Size 215B
- SHA256 17fc48ab1be99f647bc55c8a7931421f1840caafd7729257cd8aee73ab62bfc5
- MD5 e3a6065be7c1bd93c26248dda7faab5b
- SHA1 3b349b092a07c13fb513516559aa2c7d47451eb9
- SHA512 73dc6701be3f87b83b263b324fc25a14ad6da0bd91fa340dc3fefd60cff7688794f2f0466ebf347ba6ade5b17610e0a8ab14a383025b1f3bc487bfa4e0d8de9a
- TLSH T110D0A9793B306D346A280F98149B1A199982E4BD801DAE81E2DEA024020E34FAB61A71
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.Jy2lxG
- Size 348B
- SHA256 8fafbdb6356e9736b452369b039b87c0b1002fb9f78b7996365f928f075c3b94
- MD5 76b94eda2d8f0d60e34202d96331e788
- SHA1 f9a5f86e5f68ddd2b31ebc00fe3bbac0e11206a7
- SHA512 c2963b0fbfbd2ead7dd3e4c93554f0139fa948c2c1afe00595afe41fd5c26ddc99439537bf8d7f021110ea9b7ca873bdc71ffc8fe49b53a9ca51729325023f8d
- TLSH T1C3E048347A301CA9795C4E78189B65959A83A57D402D6E45F1CEE420214D30BA671B70
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.NMgsY8
- Size 392B
- SHA256 ea42a2e2e6ab119afa5393019c4717d3337556ef4b83bb2b20a27f80be789199
- MD5 9391e8e9ac2a224847d35a723999c1ba
- SHA1 cbc61e47da19de0aa00094bed9c504d1c734a4b2
- SHA512 acef13b296a194cf6186c583a79b213db5d02923c318e0b563b552c0702b296158c9dee357a721c8e529602295c82d6f3f7b1cca831528b480cd198bb06b987b
- TLSH T1BFE09B347A301CA97C8C4E78089F60858BC3A53D402C2E45F0CEE410214D30BA631B30
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.TJBO8a
- Size 259B
- SHA256 837ceeb5c84d6fd33b77e742e201197b0cd5a5cdcccec19c36234adef2eff685
- MD5 983868cd3766451c0e2ebd4a65e91cf3
- SHA1 19546eb21a7177eb014c159f7ed05401f75fc317
- SHA512 8fec6cae71f9f39ea0b60cf004de0c72860e7d3ba0e06976d93c4ab9b628b137056f1f4b0239a49917cb42d8735f73bf7b086edd9e45b8752c690205dc673403
- TLSH T1EDD02E387B302C3879184F68089B254A9A83E87E802D6F81F0CEA020120D30FA721A30
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.TvyuR4
- Size 303B
- SHA256 0b1676ca6c65c3a172c7496c06bfd0f55b3d88f88f0a910c5360356959b88965
- MD5 09fb44b1c6de8773f6c76fc3575d2af8
- SHA1 da9b0952dde0cf8ba6e95b96d3103a80f107210a
- SHA512 186cb493d3229dcb43fea342cb55c893d55e9e14b35ed81bb1e38539911b36dafc69118716ad5b2ad3c91dc8aaa0beb7b0ec969af12f715b81040d80592b96a3
- TLSH T1DBE0C2347B302C7879584F78189F658A9A83E97E802D6F81F1CEE420214D30FE732A30
- MD5 SHA1 SHA512 TLSH