Analysis
-
max time kernel
149s -
max time network
150s -
platform
debian-9_armhf -
resource
debian9-armhf-20240226-en -
resource tags
arch:armhfimage:debian9-armhf-20240226-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem -
submitted
09-04-2024 14:13
Static task
static1
Behavioral task
behavioral1
Sample
3546bba3b8b9b0b1efde6cfde42c2c3e.elf
Resource
debian9-armhf-20240226-en
General
-
Target
3546bba3b8b9b0b1efde6cfde42c2c3e.elf
-
Size
5.0MB
-
MD5
3546bba3b8b9b0b1efde6cfde42c2c3e
-
SHA1
d2a30cfa814167f8b418ef5c4d6b961892b25c8d
-
SHA256
9ebc0aa8b917cb4f775dce6a81d79623c812f9392397f1b5a63b7a9d9ab87ef0
-
SHA512
de2547dfa4196c4ee25c21963a1e6a1b52fd93b22d826c67332c23750fc3303c9328f1986e16304a8ff898c99249d91836442c6c1dcc27267961956029e15bf8
-
SSDEEP
49152:94hW9DuzBB1Lf5bQN4m9Dk3Lkmopv1ktVI1h:94hW9mB1Lf5T6kc
Malware Config
Signatures
-
Executes dropped EXE 5 IoCs
ioc pid Process /etc/32675 669 32675 /etc/opt.services.cfg 843 opt.services.cfg /etc/opt.services.cfg 847 opt.services.cfg /etc/opt.services.cfg 875 opt.services.cfg /etc/opt.services.cfg 879 opt.services.cfg -
Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc Process File opened for modification /dev/misc/watchdog Process not Found File opened for modification /dev/watchdog 3546bba3b8b9b0b1efde6cfde42c2c3e.elf -
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 /etc/crontab sh -
Creates/modifies environment variables 1 TTPs 3 IoCs
Creating/modifying environment variables is a common persistence mechanism.
description ioc Process File opened for modification /etc/profile.d/bash_cfg 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for modification /etc/profile.d/bash_cfg.sh 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for modification /etc/profile.d/gateway.sh Process not Found -
Enumerates running processes
Discovers information about currently running processes on the system
-
description ioc Process File opened for modification /etc/init.d/alsa-utils 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for modification /etc/init.d/auditd 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for modification /etc/init.d/console-setup.sh 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for modification /etc/init.d/dbus Process not Found File opened for modification /etc/init.d/networking Process not Found File opened for modification /etc/init.d/sudo Process not Found File opened for modification /etc/init.d/exim4 Process not Found File opened for modification /etc/init.d/procps Process not Found File opened for modification /etc/init.d/ssh Process not Found File opened for modification /etc/init.d/cron Process not Found File opened for modification /etc/init.d/hwclock.sh Process not Found File opened for modification /etc/init.d/keyboard-setup.sh Process not Found File opened for modification /etc/init.d/selinux-autorelabel Process not Found File opened for modification /etc/init.d/x11-common Process not Found File opened for modification /etc/init.d/kmod Process not Found File opened for modification /etc/init.d/rsyslog Process not Found File opened for modification /etc/init.d/udev Process not Found -
Write file to user bin folder 1 TTPs 2 IoCs
description ioc File opened for modification /usr/bin/include/find File opened for modification /usr/bin/find -
Modifies Bash startup script 1 TTPs 3 IoCs
description ioc Process File opened for modification /etc/profile.d/bash_cfg.sh 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for modification /etc/profile.d/gateway.sh Process not Found File opened for modification /etc/profile.d/bash_cfg 3546bba3b8b9b0b1efde6cfde42c2c3e.elf -
Enumerates kernel/hardware configuration 1 TTPs 37 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/kernel/mm/transparent_hugepage/hpage_pmd_size opt.services.cfg 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/kernel/mm/transparent_hugepage/hpage_pmd_size opt.services.cfg File opened for reading /sys/kernel/mm/transparent_hugepage/hpage_pmd_size 3546bba3b8b9b0b1efde6cfde42c2c3e.elf 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 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/kernel/mm/transparent_hugepage/hpage_pmd_size 3546bba3b8b9b0b1efde6cfde42c2c3e.elf 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 File opened for reading /sys/kernel/mm/transparent_hugepage/hpage_pmd_size opt.services.cfg File opened for reading /sys/kernel/mm/transparent_hugepage/hpage_pmd_size opt.services.cfg 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 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 -
Reads runtime system information 64 IoCs
Reads data from /proc virtual filesystem.
description ioc Process File opened for reading /proc/580/stat Process not Found File opened for reading /proc/22/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/645/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/filesystems systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/12/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/cmdline systemctl File opened for reading /proc/853/stat Process not Found File opened for reading /proc/filesystems systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/6/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/1/environ systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/842/stat Process not Found File opened for reading /proc/8/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/self/stat systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/598/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/686/stat Process not Found File opened for reading /proc/651/stat Process not Found File opened for reading /proc/1/environ systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/10/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/14/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/18/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/self/stat systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/596/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/601/stat Process not Found File opened for reading /proc/29/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/filesystems systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/653/stat Process not Found File opened for reading /proc/27/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/641/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/self/stat systemctl File opened for reading /proc/644/stat Process not Found File opened for reading /proc/639/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/1/environ systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/291/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/filesystems systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/600/stat Process not Found File opened for reading /proc/645/stat Process not Found File opened for reading /proc/76/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/601/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/cmdline systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/344/stat Process not Found File opened for reading /proc/9/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/137/stat 3546bba3b8b9b0b1efde6cfde42c2c3e.elf File opened for reading /proc/cmdline systemctl
Processes
-
/tmp/3546bba3b8b9b0b1efde6cfde42c2c3e.elf/tmp/3546bba3b8b9b0b1efde6cfde42c2c3e.elf1⤵
- Enumerates kernel/hardware configuration
PID:646 -
/tmp/3546bba3b8b9b0b1efde6cfde42c2c3e.elf/tmp/3546bba3b8b9b0b1efde6cfde42c2c3e.elf " "2⤵
- Modifies Watchdog functionality
- Creates/modifies environment variables
- Modifies init.d
- Modifies Bash startup script
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:651 -
/bin/sh/bin/sh -c "/etc/32675&"3⤵PID:667
-
/etc/32675/etc/326754⤵
- Executes dropped EXE
PID:669 -
/bin/sleepsleep 605⤵PID:673
-
-
/etc/opt.services.cfg/etc/opt.services.cfg5⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:843 -
/etc/opt.services.cfg/etc/opt.services.cfg " "6⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:847
-
-
-
/bin/sleepsleep 605⤵PID:848
-
-
/etc/opt.services.cfg/etc/opt.services.cfg5⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:875 -
/etc/opt.services.cfg/etc/opt.services.cfg " "6⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:879
-
-
-
/bin/sleepsleep 605⤵PID:880
-
-
-
-
/usr/sbin/serviceservice crond start3⤵PID:671
-
/usr/bin/basenamebasename /usr/sbin/service4⤵PID:674
-
-
/usr/bin/basenamebasename /usr/sbin/service4⤵PID:676
-
-
/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:679
-
-
/bin/systemctlsystemctl -p Triggers show dbus.socket4⤵
- Enumerates kernel/hardware configuration
PID:691
-
-
/bin/systemctlsystemctl -p Triggers show ssh.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:693
-
-
/bin/systemctlsystemctl -p Triggers show syslog.socket4⤵
- Enumerates kernel/hardware configuration
PID:694
-
-
/bin/systemctlsystemctl -p Triggers show systemd-fsckd.socket4⤵
- Enumerates kernel/hardware configuration
PID:696
-
-
/bin/systemctlsystemctl -p Triggers show systemd-initctl.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:697
-
-
/bin/systemctlsystemctl -p Triggers show systemd-journald-audit.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:698
-
-
/bin/systemctlsystemctl -p Triggers show systemd-journald-dev-log.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:699
-
-
/bin/systemctlsystemctl -p Triggers show systemd-journald.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:700
-
-
/bin/systemctlsystemctl -p Triggers show systemd-networkd.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:701
-
-
/bin/systemctlsystemctl -p Triggers show systemd-rfkill.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:702
-
-
/bin/systemctlsystemctl -p Triggers show systemd-udevd-control.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:703
-
-
/bin/systemctlsystemctl -p Triggers show systemd-udevd-kernel.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:704
-
-
-
/usr/local/sbin/systemctlsystemctl start crond.service3⤵PID:671
-
-
/usr/local/bin/systemctlsystemctl start crond.service3⤵PID:671
-
-
/usr/sbin/systemctlsystemctl start crond.service3⤵PID:671
-
-
/usr/bin/systemctlsystemctl start crond.service3⤵PID:671
-
-
/sbin/systemctlsystemctl start crond.service3⤵PID:671
-
-
/bin/systemctlsystemctl start crond.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:671
-
-
/bin/sh/bin/sh -c "echo \"*/1 * * * * root /.mod \" >> /etc/crontab"3⤵
- Creates/modifies Cron job
PID:709
-
-
-
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"1⤵PID:683
-
/bin/systemctlsystemctl list-unit-files --full "--type=socket"1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:682
-
/usr/bin/renicerenice -20 6511⤵PID:716
-
/bin/mountmount -o bind /tmp/ /proc/6511⤵PID:717
-
/usr/sbin/serviceservice cron start1⤵PID:719
-
/usr/bin/basenamebasename /usr/sbin/service2⤵PID:720
-
-
/usr/bin/basenamebasename /usr/sbin/service2⤵PID:722
-
-
/bin/systemctlsystemctl --quiet is-active multi-user.target2⤵
- Enumerates kernel/hardware configuration
PID:723
-
-
/bin/systemctlsystemctl -p Triggers show dbus.socket2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:731
-
-
/bin/systemctlsystemctl -p Triggers show ssh.socket2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:734
-
-
/bin/systemctlsystemctl -p Triggers show syslog.socket2⤵
- Enumerates kernel/hardware configuration
PID:736
-
-
/bin/systemctlsystemctl -p Triggers show systemd-fsckd.socket2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:738
-
-
/bin/systemctlsystemctl -p Triggers show systemd-initctl.socket2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:740
-
-
/bin/systemctlsystemctl -p Triggers show systemd-journald-audit.socket2⤵
- Enumerates kernel/hardware configuration
PID:742
-
-
/bin/systemctlsystemctl -p Triggers show systemd-journald-dev-log.socket2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:745
-
-
/bin/systemctlsystemctl -p Triggers show systemd-journald.socket2⤵
- Enumerates kernel/hardware configuration
PID:747
-
-
/bin/systemctlsystemctl -p Triggers show systemd-networkd.socket2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:749
-
-
/bin/systemctlsystemctl -p Triggers show systemd-rfkill.socket2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:752
-
-
/bin/systemctlsystemctl -p Triggers show systemd-udevd-control.socket2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:757
-
-
/bin/systemctlsystemctl -p Triggers show systemd-udevd-kernel.socket2⤵
- Enumerates kernel/hardware configuration
PID:760
-
-
/bin/systemctlsystemctl list-unit-files --full "--type=socket"1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:726
-
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"1⤵PID:727
-
/usr/local/sbin/systemctlsystemctl start cron.service1⤵PID:719
-
/usr/local/bin/systemctlsystemctl start cron.service1⤵PID:719
-
/usr/sbin/systemctlsystemctl start cron.service1⤵PID:719
-
/usr/bin/systemctlsystemctl start cron.service1⤵PID:719
-
/sbin/systemctlsystemctl start cron.service1⤵PID:719
-
/bin/systemctlsystemctl start cron.service1⤵
- Enumerates kernel/hardware configuration
PID:719
-
/bin/systemctlsystemctl start crond.service1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:765
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
34B
MD5f5a3713282e43c200f30342f5ff5e2ea
SHA12b2ce1a207e2b691a074c6f78f71c4785aae426a
SHA2566ab64e727571458d4884fb2fe82c27c467db0699cb8f648b3f0217c35d2b7511
SHA5125bcb8cd360409147a486755f90e0cdd97183af02ce8de5135b7c6a8a010deb9ef12dcd5ee9a2a8fd2e159347f68e72d6b7fd75e943b4fcd928d7a74b97476013
-
Filesize
41B
MD5a60859215268c6eeae99ac368c9ae433
SHA1e3f4d8680648322248f462b4974c13720133928d
SHA256e72326f7fca3bb9ea85b6e1ed6b65f4c0db8bebc52edde76de0882c57d86a15f
SHA5124c96474a40faa7929d8842cc61a9911c1d1a096307c9419769f309218df617b3a36694532239a97d034d2ea1af024120b22bec1de8cc737e37076f8a43bf0791
-
Filesize
90B
MD599b57ec6c36e430e71ba79f857d692a2
SHA11625ab712276a81d7f7522e23fd1d9a38cdf6da2
SHA2561a68c592689c103268d0714f1b57d036c5c64baeda03680c01e2f76683838860
SHA512ebc8264bef9561a2cac70f9f25bb88fe4d739a8f579466be4475ea81c9838551cb2ed4035b32e89fdf47bdfade35a8d02f8cb4d7c0fc7ae8ae8787cb39a40183
-
Filesize
61B
MD547684525bfdf26f49fd1cf742b17c015
SHA1c4ab14ba22420ff9acadfc698a38d0cd99e9fbfa
SHA256b7ce294613dd2c237a4a50548bfcd5c14d166107f2d2e965499bc78695300d5b
SHA512948f9c519ae9afe1c821c5d58da2e584e50356dabef597ccd408853a9038560b9fb1c5894900e2725b48977ffd49d18a439436bb4946e2164ac9fcf2a8637621
-
Filesize
5.0MB
MD53546bba3b8b9b0b1efde6cfde42c2c3e
SHA1d2a30cfa814167f8b418ef5c4d6b961892b25c8d
SHA2569ebc0aa8b917cb4f775dce6a81d79623c812f9392397f1b5a63b7a9d9ab87ef0
SHA512de2547dfa4196c4ee25c21963a1e6a1b52fd93b22d826c67332c23750fc3303c9328f1986e16304a8ff898c99249d91836442c6c1dcc27267961956029e15bf8
-
Filesize
937B
MD5abd4a8e1669eea8a5e9cf6ebc87dd2ea
SHA107bcc0c0dcb09278cf35eda79c87e19438749ec7
SHA256096428c390883747d39ab503eac3da4bfd87ede3e12edee20200ad2c12302381
SHA5127e2ebc470fb4886fd02853225de51ffb96cc1195cff5fffb88b636053333178232c683465819530ded96723791efc80d05785aecabf7e0a1d9f2f04d106b6d77
-
Filesize
134KB
MD5138a27d6fe52fa1132760a4fa48922e0
SHA1e0250e4d7bf33a5a1064344224148b889cb15138
SHA25681a10dad907b23521461bd3fc83c2cedb2218933a328d9a05e3c9f6a9a1d42aa
SHA512ee0078afad63fc2aaffdebb7127d1c7d4459287fee75358f57c82d397c39b7bf64338fb6996dfb1747cd9a896d714b3c76f0948727be91550f1affa1c0298a9e