Analysis
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max time kernel
150s -
max time network
154s -
platform
debian-9_mips -
resource
debian9-mipsbe-20240611-en -
resource tags
arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem -
submitted
16-02-2025 16:07
Behavioral task
behavioral1
Sample
linux_mips.elf
Resource
debian9-mipsbe-20240611-en
General
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Target
linux_mips.elf
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Size
5.6MB
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MD5
6627ff916808990d9bdfe6dd107e5ef9
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SHA1
acfa886e2d84ea24c18c89cdae705c91c9c98b36
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SHA256
3b196f4c493d6726045a6c38e2c273225b466b7ac2784069627c065b9ee6dd72
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SHA512
5199d0440e701c0d41e5a6b5c4e937cb8a4907defdb5bd35bf6073e5c1a804250452fdaa18f28f99764e05d7e922c89f43fefd2799fb6612dfc347fae5e9050d
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SSDEEP
49152:H2EpH9kX4nazMqH5Erob6XMv7fn3FuL9idt42uXYfTYetBDa9zrHAMnNHsLFnoeF:WEiAQkMZudhDM
Malware Config
Signatures
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Kaiji 1 IoCs
Kaiji payload
resource yara_rule behavioral1/files/fstream-1.dat Kaiji -
Kaiji family
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kaiji_chaosbot 1 IoCs
Chaos-variant payload
resource yara_rule behavioral1/files/fstream-1.dat kaiji_chaosbot -
Executes dropped EXE 5 IoCs
ioc pid Process /etc/32678 728 sh /etc/id.services.conf 806 32678 /etc/id.services.conf 815 id.services.conf /etc/32678 816 sh /etc/id.services.conf 890 32678 -
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 bash -
Enumerates running processes
Discovers information about currently running processes on the system
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Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself ksoftirqd/0 744 linux_mips.elf -
Reads CPU attributes 1 TTPs 1 IoCs
description ioc Process File opened for reading /sys/devices/system/cpu/online pkill -
Enumerates kernel/hardware configuration 1 TTPs 52 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 id.services.conf 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 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/kernel/mm/transparent_hugepage/hpage_pmd_size id.services.conf 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 linux_mips.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/kernel/mm/transparent_hugepage/hpage_pmd_size linux_mips.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/kernel/mm/transparent_hugepage/hpage_pmd_size id.services.conf 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 -
description ioc Process File opened for reading /proc/371/status pkill File opened for reading /proc/716/status pkill File opened for reading /proc/self/stat systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/2/status pkill File opened for reading /proc/9/status pkill File opened for reading /proc/23/cmdline pkill File opened for reading /proc/372/status pkill 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/1/cmdline pkill File opened for reading /proc/14/cmdline pkill File opened for reading /proc/23/status pkill File opened for reading /proc/73/status pkill File opened for reading /proc/74/cmdline pkill File opened for reading /proc/223/cmdline pkill File opened for reading /proc/704/status pkill File opened for reading /proc/filesystems systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/149/status pkill 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/filesystems systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/filesystems sed File opened for reading /proc/cmdline systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/811/status pkill File opened for reading /proc/cmdline systemctl File opened for reading /proc/165/status pkill File opened for reading /proc/cmdline systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/13/cmdline pkill File opened for reading /proc/313/status pkill File opened for reading /proc/716/cmdline pkill 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/self/stat systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/1/status pkill File opened for reading /proc/72/cmdline pkill File opened for reading /proc/496/cmdline pkill File opened for reading /proc/self/stat systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/114/status pkill File opened for reading /proc/165/cmdline pkill File opened for reading /proc/383/cmdline pkill File opened for reading /proc/self/stat systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/sys/kernel/osrelease pkill -
System Network Configuration Discovery 1 TTPs 2 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 706 linux_mips.elf 726 linux_mips.elf -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 6 Go-http-client/1.1
Processes
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/tmp/linux_mips.elf/tmp/linux_mips.elf1⤵
- Enumerates kernel/hardware configuration
- System Network Configuration Discovery
PID:706 -
/bin/shsh -c "/etc/32678&"2⤵
- Executes dropped EXE
PID:723
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/usr/sbin/serviceservice crond start2⤵PID:725
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/usr/bin/basenamebasename /usr/sbin/service3⤵PID:732
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/usr/bin/basenamebasename /usr/sbin/service3⤵PID:735
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/bin/systemctlsystemctl --quiet is-active multi-user.target3⤵
- Enumerates kernel/hardware configuration
PID:743
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/bin/systemctlsystemctl list-unit-files --full "--type=socket"3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:748
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/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"3⤵PID:749
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/bin/systemctlsystemctl -p Triggers show dbus.socket3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:752
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/bin/systemctlsystemctl -p Triggers show ssh.socket3⤵
- Enumerates kernel/hardware configuration
PID:754
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/bin/systemctlsystemctl -p Triggers show syslog.socket3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:757
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/bin/systemctlsystemctl -p Triggers show systemd-fsckd.socket3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:773
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/bin/systemctlsystemctl -p Triggers show systemd-initctl.socket3⤵
- Enumerates kernel/hardware configuration
PID:774
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/bin/systemctlsystemctl -p Triggers show systemd-journald-audit.socket3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:779
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/bin/systemctlsystemctl -p Triggers show systemd-journald-dev-log.socket3⤵
- Enumerates kernel/hardware configuration
PID:780
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/bin/systemctlsystemctl -p Triggers show systemd-journald.socket3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:781
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/bin/systemctlsystemctl -p Triggers show systemd-networkd.socket3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:783
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/bin/systemctlsystemctl -p Triggers show systemd-rfkill.socket3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:787
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/bin/systemctlsystemctl -p Triggers show systemd-udevd-control.socket3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:790
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/bin/systemctlsystemctl -p Triggers show systemd-udevd-kernel.socket3⤵
- Enumerates kernel/hardware configuration
PID:794
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/tmp/linux_mips.elf/tmp/linux_mips.elf " "2⤵
- Changes its process name
- Enumerates kernel/hardware configuration
- System Network Configuration Discovery
PID:726 -
/usr/sbin/update-rc.dupdate-rc.d linux_kill defaults3⤵PID:741
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/usr/local/sbin/systemctlsystemctl daemon-reload4⤵PID:755
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/usr/local/bin/systemctlsystemctl daemon-reload4⤵PID:755
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/usr/sbin/systemctlsystemctl daemon-reload4⤵PID:755
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/usr/bin/systemctlsystemctl daemon-reload4⤵PID:755
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/sbin/systemctlsystemctl daemon-reload4⤵PID:755
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/bin/systemctlsystemctl daemon-reload4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:755
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/bin/bashbash -c "echo \"*/1 * * * * root /.img \" >> /etc/crontab"3⤵
- Creates/modifies Cron job
PID:778
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/usr/bin/renicerenice -20 7263⤵PID:782
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/bin/mountmount -o bind /tmp/ /proc/7263⤵PID:784
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/usr/sbin/serviceservice cron start3⤵PID:785
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:786
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:788
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/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:789
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/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
PID:792
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/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵
- Reads runtime system information
PID:793
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/bin/systemctlsystemctl -p Triggers show dbus.socket4⤵
- Enumerates kernel/hardware configuration
PID:795
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/bin/systemctlsystemctl -p Triggers show ssh.socket4⤵
- Enumerates kernel/hardware configuration
PID:796
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/bin/systemctlsystemctl -p Triggers show syslog.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:797
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/bin/systemctlsystemctl -p Triggers show systemd-fsckd.socket4⤵
- Enumerates kernel/hardware configuration
PID:798
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/bin/systemctlsystemctl -p Triggers show systemd-initctl.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:799
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/bin/systemctlsystemctl -p Triggers show systemd-journald-audit.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:800
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/bin/systemctlsystemctl -p Triggers show systemd-journald-dev-log.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:801
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/bin/systemctlsystemctl -p Triggers show systemd-journald.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:802
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/bin/systemctlsystemctl -p Triggers show systemd-networkd.socket4⤵
- Enumerates kernel/hardware configuration
PID:803
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/bin/systemctlsystemctl -p Triggers show systemd-rfkill.socket4⤵
- Enumerates kernel/hardware configuration
PID:804
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/bin/systemctlsystemctl -p Triggers show systemd-udevd-control.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:805
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/bin/systemctlsystemctl -p Triggers show systemd-udevd-kernel.socket4⤵
- Enumerates kernel/hardware configuration
PID:808
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/usr/local/sbin/systemctlsystemctl start cron.service3⤵PID:785
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/usr/local/bin/systemctlsystemctl start cron.service3⤵PID:785
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/usr/sbin/systemctlsystemctl start cron.service3⤵PID:785
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/usr/bin/systemctlsystemctl start cron.service3⤵PID:785
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/sbin/systemctlsystemctl start cron.service3⤵PID:785
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/bin/systemctlsystemctl start cron.service3⤵
- Enumerates kernel/hardware configuration
PID:785
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/bin/systemctlsystemctl start crond.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:812
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/etc/32678/etc/326781⤵
- Executes dropped EXE
PID:728 -
/bin/sleepsleep 602⤵PID:734
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/etc/id.services.conf/etc/id.services.conf2⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:806 -
/usr/bin/pkillpkill -9 326783⤵
- Reads CPU attributes
- Reads runtime system information
PID:811
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/bin/shsh -c "/etc/32678&"3⤵
- Executes dropped EXE
PID:813
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/usr/sbin/serviceservice crond start3⤵PID:814
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:817
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:822
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/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:823
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/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:825
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/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵PID:826
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/bin/systemctlsystemctl -p Triggers show dbus.socket4⤵
- Enumerates kernel/hardware configuration
PID:827
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/bin/systemctlsystemctl -p Triggers show ssh.socket4⤵
- Enumerates kernel/hardware configuration
PID:829
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/bin/systemctlsystemctl -p Triggers show syslog.socket4⤵
- Enumerates kernel/hardware configuration
PID:833
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/bin/systemctlsystemctl -p Triggers show systemd-fsckd.socket4⤵
- Enumerates kernel/hardware configuration
PID:834
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/bin/systemctlsystemctl -p Triggers show systemd-initctl.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:835
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/bin/systemctlsystemctl -p Triggers show systemd-journald-audit.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:836
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/bin/systemctlsystemctl -p Triggers show systemd-journald-dev-log.socket4⤵
- Enumerates kernel/hardware configuration
PID:837
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/bin/systemctlsystemctl -p Triggers show systemd-journald.socket4⤵
- Enumerates kernel/hardware configuration
PID:838
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/bin/systemctlsystemctl -p Triggers show systemd-networkd.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:839
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/bin/systemctlsystemctl -p Triggers show systemd-rfkill.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:841
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/bin/systemctlsystemctl -p Triggers show systemd-udevd-control.socket4⤵
- Enumerates kernel/hardware configuration
PID:844
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/bin/systemctlsystemctl -p Triggers show systemd-udevd-kernel.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:845
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/etc/id.services.conf/etc/id.services.conf " "3⤵
- Enumerates kernel/hardware configuration
PID:815
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/usr/local/sbin/systemctlsystemctl start crond.service1⤵PID:725
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/usr/local/bin/systemctlsystemctl start crond.service1⤵PID:725
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/usr/sbin/systemctlsystemctl start crond.service1⤵PID:725
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/usr/bin/systemctlsystemctl start crond.service1⤵PID:725
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/sbin/systemctlsystemctl start crond.service1⤵PID:725
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/bin/systemctlsystemctl start crond.service1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:725
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/etc/32678/etc/326781⤵
- Executes dropped EXE
PID:816 -
/bin/sleepsleep 602⤵PID:821
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/etc/id.services.conf/etc/id.services.conf2⤵
- Enumerates kernel/hardware configuration
PID:890
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/usr/local/sbin/systemctlsystemctl start crond.service1⤵PID:814
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/usr/local/bin/systemctlsystemctl start crond.service1⤵PID:814
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/usr/sbin/systemctlsystemctl start crond.service1⤵PID:814
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/usr/bin/systemctlsystemctl start crond.service1⤵PID:814
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/sbin/systemctlsystemctl start crond.service1⤵PID:814
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/bin/systemctlsystemctl start crond.service1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:814
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
33B
MD5d73d3376908ea075a939e3871ad0fabe
SHA1320ff65831247ba199515f1b94df26cc8a3e5f76
SHA256edbdabe30d8236a2c0a4eb89dfd597552130e4c1a4e93f8fe1568920442ad73a
SHA51257b83fef88620598beb5d65626bf757d0abef242d2d6a01796a61474dedc5095a4a9d0f292b6abb450cad3d4410ab8456253600f58ddb66cfe6d79e1c8415536
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Filesize
61B
MD5768eaf287796da19e1cf5e0b2fb1b161
SHA16a1ce2ee5ccc86d1f33806feb14547b35290df2a
SHA2561d22620dfb2a6715e5d745aed5cf841ede0e75e1747f12b9b925a2d346bc7ecb
SHA512e6af30c9df4f7f47696069511e64ecbc8e841629d692ee4056503df3533fb7a7a74960698826260355e1dba7b6c562482a27a39bb51a4237473ce4b68472d620
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Filesize
5.6MB
MD56627ff916808990d9bdfe6dd107e5ef9
SHA1acfa886e2d84ea24c18c89cdae705c91c9c98b36
SHA2563b196f4c493d6726045a6c38e2c273225b466b7ac2784069627c065b9ee6dd72
SHA5125199d0440e701c0d41e5a6b5c4e937cb8a4907defdb5bd35bf6073e5c1a804250452fdaa18f28f99764e05d7e922c89f43fefd2799fb6612dfc347fae5e9050d
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Filesize
189B
MD53909975f7cc0d1121c1819b800069f31
SHA13e68de708c2e6c40fab6794afdee3104e5590189
SHA2566876dac71f13a068afb863d257134275f2edba43b2acaf4924fabf97c079070b
SHA51250600cceeb03b05f45ae61d890caee9f51ff390b6776930866e527e071d65d08241fc66673fd9b99d62fbc77d3c00fc3de4d7378cbc42f5daba5d83072b0906e
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Filesize
37B
MD5cfb4e51061485fe91169381fbdc1538e
SHA19a85b9b766a15b01737a41d680e4593b7a9bde87
SHA256897f37267d0ceaa2fbdaa09847f5d08e6f8b01a0348a0d666264b0f10acd0c90
SHA512fb154ec711d2090a7461da4db8ddad2b522649a27e74162ecb203f539b1729430288bc02d78d2071bde9c4bbc005693403a57612ef50277d52f816cb94524216