Analysis
- max time kernel
45s - max time network
151s - 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
05/08/2026, 00:15
Behavioral task
behavioral1
Sample
pty10
Resource
debian12-armhf-20260513-en
10 signatures
150 seconds
General
- Target pty10
- Size 782KB
- Sample260805-aj7bdatfkd
- SHA256 57d91bb5b6e0da0e6e7bfff3bd03b20a711e3d09cc1b19316a671bd63351b8a9
- MD5 9314f0fa42caebcbbe5261bdd2795f7d
- SHA1 40bc784a57421f1e51a7498fb5977448559e8ca1
- SHA512 e19f2a9dbfaa13bc8f755b4e44c908ae9ec90084b7ba75b11a2da256e8650a91607ff8e99f549e800646199d8179ac8d1452131180da0cc200e16c6ddf25c0a9
- SSDEEP 24576:/suUfYsQgiTO5CC0LbNzQw0cYUVoZorAU:ofYsjZ0F3oZoEU
- TLSH T19405235CC1CFEC5683BB418A631E924A58F761B834DD6E18AAE3355373E9272CF448E1
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Kaiten/Tsunami Payload 1 IoCs
resource yara_rule behavioral1/memory/786-1-0x00008000-0x001b85f0-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.dSStnA crontab File opened for modification /var/spool/cron/crontabs/tmp.7GAIsR crontab File opened for modification /var/spool/cron/crontabs/tmp.XvZ6gL crontab File opened for modification /var/spool/cron/crontabs/tmp.zbTZh8 crontab File opened for modification /var/spool/cron/crontabs/tmp.d0oyPX 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 826 touch 849 sh 869 sh 870 touch 910 touch 825 sh 850 touch 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 mcv7thr863vi 786 pty10 -
description ioc Process File opened for reading /proc/51/cmdline pidof File opened for reading /proc/352/stat pidof File opened for reading /proc/self/maps grep File opened for reading /proc/637/stat pidof File opened for reading /proc/193/cmdline pidof File opened for reading /proc/332/stat pidof File opened for reading /proc/14/stat pidof File opened for reading /proc/621/stat pidof File opened for reading /proc/1/stat pidof File opened for reading /proc/25/stat pidof File opened for reading /proc/29/stat pidof File opened for reading /proc/636/stat pidof File opened for reading /proc/self/maps grep File opened for reading /proc/28/cmdline pidof File opened for reading /proc/193/cmdline pidof File opened for reading /proc/15/cmdline pidof File opened for reading /proc/26/stat pidof File opened for reading /proc/731/stat pidof File opened for reading /proc/783/stat pidof File opened for reading /proc/783/cmdline pidof File opened for reading /proc/798/stat pidof File opened for reading /proc/1/cmdline pidof File opened for reading /proc/23/cmdline pidof File opened for reading /proc/336/cmdline pidof File opened for reading /proc/6/cmdline pidof File opened for reading /proc/10/stat pidof File opened for reading /proc/3/cmdline pidof File opened for reading /proc/734/stat pidof File opened for reading /proc/788/stat pidof File opened for reading /proc/2/stat pidof File opened for reading /proc/self/maps grep File opened for reading /proc/filesystems cp File opened for reading /proc/19/stat pidof File opened for reading /proc/142/cmdline pidof File opened for reading /proc/216/stat pidof File opened for reading /proc/33/stat pidof File opened for reading /proc/142/stat pidof File opened for reading /proc/356/cmdline pidof File opened for reading /proc/14/cmdline pidof File opened for reading /proc/316/stat pidof File opened for reading /proc/self/maps grep File opened for reading /proc/27/cmdline pidof File opened for reading /proc/44/stat pidof File opened for reading /proc/781/cmdline pidof File opened for reading /proc/44/cmdline pidof File opened for reading /proc/783/stat pidof File opened for reading /proc/7/cmdline pidof File opened for reading /proc/5/stat pidof File opened for reading /proc/798/cmdline pidof File opened for reading /proc/14/cmdline pidof File opened for reading /proc/18/cmdline pidof File opened for reading /proc/36/stat pidof File opened for reading /proc/44/stat pidof File opened for reading /proc/193/stat pidof File opened for reading /proc/621/cmdline pidof File opened for reading /proc/784/cmdline pidof File opened for reading /proc/795/cmdline pidof File opened for reading /proc/4/stat pidof File opened for reading /proc/27/cmdline pidof File opened for reading /proc/23/cmdline pidof File opened for reading /proc/56/stat pidof File opened for reading /proc/26/cmdline pidof File opened for reading /proc/57/cmdline pidof File opened for reading /proc/734/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
-
/tmp/pty10/tmp/pty101⤵
- Changes its process name
- Writes file to tmp directory
PID:786 -
/bin/shsh -c "pidof -x strace > /dev/null"2⤵PID:795
-
/usr/bin/pidofpidof -x strace3⤵
- Reads runtime system information
PID:798
-
-
-
/bin/shsh -c "pidof -x tcpdump > /dev/null"2⤵PID:804
-
/usr/bin/pidofpidof -x tcpdump3⤵
- Reads runtime system information
PID:805
-
-
-
/bin/shsh -c "cat /etc/inittab | grep -v \"/tmp/pty10\" > /etc/inittab2"2⤵PID:808
-
/usr/bin/catcat /etc/inittab3⤵PID:811
-
-
/usr/bin/grepgrep -v /tmp/pty103⤵
- Reads runtime system information
PID:814
-
-
-
/bin/shsh -c "crontab -r"2⤵PID:809
-
/usr/bin/crontabcrontab -r3⤵PID:813
-
-
-
/bin/shsh -c "crontab -l | grep /tmp/pty10 | grep -v \"no cron\" || (crontab -l ; echo \"* * * * * /tmp/pty10 > /dev/null 2>&1 &\") | crontab -"2⤵PID:810
-
/usr/bin/grepgrep /tmp/pty103⤵
- Reads runtime system information
PID:815
-
-
/usr/bin/crontabcrontab -l3⤵PID:812
-
-
/usr/bin/grepgrep -v "no cron"3⤵
- Reads runtime system information
PID:816
-
-
/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:819
-
-
/usr/bin/crontabcrontab -l3⤵PID:820
-
-
-
/bin/shsh -c "echo \"0:2345:respawn:/tmp/pty10\" >> /etc/inittab2"2⤵PID:817
-
-
/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:821
-
/usr/bin/catcat /etc/inittab23⤵PID:822
-
-
-
/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:823
-
/usr/bin/rmrm -rf /etc/inittab23⤵PID:824
-
-
-
/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
-
-
-
/bin/shsh -c "cp -f /tmp/pty10 /dev/shm/pty10"2⤵PID:830
-
/usr/bin/cpcp -f /tmp/pty10 /dev/shm/pty103⤵
- Writes file to shm directory
PID:831
-
-
-
/bin/shsh -c "/bin/uname -n"2⤵PID:829
-
/bin/uname/bin/uname -n3⤵PID:832
-
-
-
/bin/shsh -c "cat /etc/inittab | grep -v \"/dev/shm/pty10\" > /etc/inittab2"2⤵PID:834
-
/usr/bin/grepgrep -v /dev/shm/pty103⤵PID:837
-
-
/usr/bin/catcat /etc/inittab3⤵PID:836
-
-
-
/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
-
/usr/bin/crontabcrontab -l3⤵PID:838
-
-
/usr/bin/grepgrep -v "no cron"3⤵PID:840
-
-
/usr/bin/grepgrep /dev/shm/pty103⤵PID:839
-
-
/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:843
-
-
/usr/bin/crontabcrontab -l3⤵PID:844
-
-
-
/bin/shsh -c "echo \"0:2345:respawn:/dev/shm/pty10\" >> /etc/inittab2"2⤵PID:841
-
-
/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:845
-
/usr/bin/catcat /etc/inittab23⤵PID:846
-
-
-
/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:847
-
/usr/bin/rmrm -rf /etc/inittab23⤵PID:848
-
-
-
/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
-
-
-
/bin/shsh -c "cp -f /tmp/pty10 /var/tmp/pty10"2⤵PID:851
-
/usr/bin/cpcp -f /tmp/pty10 /var/tmp/pty103⤵
- Reads runtime system information
PID:852
-
-
-
/bin/shsh -c "cat /etc/inittab | grep -v \"/var/tmp/pty10\" > /etc/inittab2"2⤵PID:854
-
/usr/bin/catcat /etc/inittab3⤵PID:856
-
-
/usr/bin/grepgrep -v /var/tmp/pty103⤵PID:857
-
-
-
/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
-
/usr/bin/grepgrep /var/tmp/pty103⤵PID:859
-
-
/usr/bin/crontabcrontab -l3⤵PID:858
-
-
/usr/bin/grepgrep -v "no cron"3⤵PID:860
-
-
/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:863
-
-
/usr/bin/crontabcrontab -l3⤵PID:864
-
-
-
/bin/shsh -c "echo \"0:2345:respawn:/var/tmp/pty10\" >> /etc/inittab2"2⤵PID:861
-
-
/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:865
-
/usr/bin/catcat /etc/inittab23⤵PID:866
-
-
-
/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:867
-
/usr/bin/rmrm -rf /etc/inittab23⤵PID:868
-
-
-
/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
-
-
-
/bin/shsh -c "cp -f /tmp/pty10 /var/lock/pty10"2⤵PID:871
-
/usr/bin/cpcp -f /tmp/pty10 /var/lock/pty103⤵PID:872
-
-
-
/bin/shsh -c "cat /etc/inittab | grep -v \"/var/lock/pty10\" > /etc/inittab2"2⤵PID:874
-
/usr/bin/catcat /etc/inittab3⤵PID:876
-
-
/usr/bin/grepgrep -v /var/lock/pty103⤵PID:877
-
-
-
/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
-
/usr/bin/crontabcrontab -l3⤵PID:878
-
-
/usr/bin/grepgrep /var/lock/pty103⤵PID:879
-
-
/usr/bin/grepgrep -v "no cron"3⤵
- Reads runtime system information
PID:880
-
-
/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:883
-
-
/usr/bin/crontabcrontab -l3⤵PID:884
-
-
-
/bin/shsh -c "echo \"0:2345:respawn:/var/lock/pty10\" >> /etc/inittab2"2⤵PID:881
-
-
/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:885
-
/usr/bin/catcat /etc/inittab23⤵PID:886
-
-
-
/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:887
-
/usr/bin/rmrm -rf /etc/inittab23⤵PID:888
-
-
-
/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
-
-
-
/bin/shsh -c "cp -f /tmp/pty10 /var/run/pty10"2⤵PID:891
-
/usr/bin/cpcp -f /tmp/pty10 /var/run/pty103⤵PID:892
-
-
-
/bin/shsh -c "cat /etc/inittab | grep -v \"/var/run/pty10\" > /etc/inittab2"2⤵PID:894
-
/usr/bin/catcat /etc/inittab3⤵PID:896
-
-
/usr/bin/grepgrep -v /var/run/pty103⤵PID:897
-
-
-
/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
-
/usr/bin/grepgrep -v "no cron"3⤵PID:900
-
-
/usr/bin/crontabcrontab -l3⤵PID:898
-
-
/usr/bin/grepgrep /var/run/pty103⤵PID:899
-
-
/usr/bin/crontabcrontab -3⤵
- Creates/modifies Cron job
PID:903
-
-
/usr/bin/crontabcrontab -l3⤵PID:904
-
-
-
/bin/shsh -c "echo \"0:2345:respawn:/var/run/pty10\" >> /etc/inittab2"2⤵PID:901
-
-
/bin/shsh -c "cat /etc/inittab2 > /etc/inittab"2⤵PID:905
-
/usr/bin/catcat /etc/inittab23⤵PID:906
-
-
-
/bin/shsh -c "rm -rf /etc/inittab2"2⤵PID:907
-
/usr/bin/rmrm -rf /etc/inittab23⤵PID:908
-
-
-
/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
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path /dev/shm/pty10
- Size 782KB
- SHA256 57d91bb5b6e0da0e6e7bfff3bd03b20a711e3d09cc1b19316a671bd63351b8a9
- MD5 9314f0fa42caebcbbe5261bdd2795f7d
- SHA1 40bc784a57421f1e51a7498fb5977448559e8ca1
- SHA512 e19f2a9dbfaa13bc8f755b4e44c908ae9ec90084b7ba75b11a2da256e8650a91607ff8e99f549e800646199d8179ac8d1452131180da0cc200e16c6ddf25c0a9
- SSDEEP 24576:/suUfYsQgiTO5CC0LbNzQw0cYUVoZorAU:ofYsjZ0F3oZoEU
- TLSH T19405235CC1CFEC5683BB418A631E924A58F761B834DD6E18AAE3355373E9272CF448E1
- 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.7GAIsR
- Size 303B
- SHA256 fbaedd17e8be6e58f7939b992ddef2dbb6b16dc1b174fc1a79e4ec7879b469d5
- MD5 d67ba3597e56df7ab1529e095b698dfc
- SHA1 03cddc4e5b1359a6154b86524a57a00188b7c467
- SHA512 2e4ebe8c3ea01f12990accb342ff0eee5c5f48fa9fb2da882fb3b8874ab7fbd1e02470bcce1c276704b14d13ae006478445a794e15f2eab361acf68768d4ba6e
- TLSH T19FE0C2347B212C68794C4F38195B609A9A83B93D812D6E41F1DE9424214E34BE632A30
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.XvZ6gL
- Size 348B
- SHA256 97bced793ad458aed21eeb33595cc86b7ea0843813dd702bc8c23e41604cf52b
- MD5 bfaa2a0b566668b21d323fec6038b576
- SHA1 a1af3235f22ff279b3d1381594c9ffc343f9f47e
- SHA512 ccdbc6471cdf6b21a5369a9393a4d7460cd06e111ad2cc90d50bb1fdb417ca2196104f3835bc40912b237f569114b3d7791541fb5090e74b70e52050a89a7e39
- TLSH T1FEE086347F311CA9798C4F78199F609A9B83793D412D6E45F1DEA424254D34BE672B30
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.d0oyPX
- Size 215B
- SHA256 6847263f496ef5fe501f990c4b2f35dc46390f2ff0d5f038522e8614493a218d
- MD5 b7eca09bc4d836bfc2b53ca54c9d54b2
- SHA1 b7924847e9efe66626e43de30da05fae2a74f2d3
- SHA512 825ae0ea72d042b9fc5a116ecc7ed205b76be99992ca61c30ed7ece752fc9a7eae420caae1115f57369fff3a09a7eebce49f678059cb6f0a51d6e1fb2b61ddaa
- TLSH T14DD023383F306C307A480B14155F111D6943B47D811D6E41F1DD0024021E35E5771931
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.dSStnA
- Size 259B
- SHA256 d1a6ce9faacff0fe9c4215245b92266960d0fb88c3c668fbfc025f166cb135ee
- MD5 46d99d324b18150cf901c7a50b4aaedf
- SHA1 48bbd7ab66b1170356031b8511caf87aa4eb212e
- SHA512 395762073c828f21d3731cc2ff4eb396cb58778009509c5465508c977176ef1c5616e0c79107e1dddb3ddbe7cec5fe6f235206f1bbbfcaf03f306c04586495b2
- TLSH T12DD097387F202C347A0C0F38194B205AAA83B83D802D7F41F0DE4024120E34FE731A30
- MD5 SHA1 SHA512 TLSH
- Path /var/spool/cron/crontabs/tmp.zbTZh8
- Size 392B
- SHA256 467b1b46ef728547c57fad0766226b6ee01b179b5b191fd02ca9fbc66a7ecc3c
- MD5 4ec3cb1cfe3a9fed637ce9f16162bcbc
- SHA1 e8792b3c200ce405892b371afe00996922ac9c0d
- SHA512 141427379b9ad02c43a7390581cc279d9efa54122baea839013ce690d890ba3a32d79a27098ed0cc76a2d910ff1fff350fdc99c77c47c732f3ccba600d595b4a
- TLSH T1F9E09234BA211CA9798C4E78189F60969B83692D402D2E46F0CEA420254C30BA632B30
- MD5 SHA1 SHA512 TLSH