Analysis
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max time kernel
149s -
max time network
146s -
platform
debian-9_mips -
resource
debian9-mipsbe-20240418-en -
resource tags
arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem -
submitted
16/04/2025, 18:39
Behavioral task
behavioral1
Sample
linux_mips.elf
Resource
debian9-mipsbe-20240418-en
General
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Target
linux_mips.elf
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Size
2.2MB
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MD5
5ec2f6c412ccfcc16781a7f3f37fb474
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SHA1
912cb18493577a0b5c64d994f4b6bc05990ae390
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SHA256
e58dffab271cd20cb6089017017d8e6c5f68c56c2b1877e8a94bbcdadcd4ef4c
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SHA512
ce37675e1ccfd0e7fdf2fe155473d94222ceb28cf8a3c797033617a07e7ce632240bdbb338d7c3aec5131a343d172a4d58a05e2558408e42b3eb80cf1767857f
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SSDEEP
24576:sydSxVTKwDLjPgq745GSsm3B6xu2pMVX2gqel9gLcR:5CmUsqelqu
Malware Config
Signatures
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Kaiji 1 IoCs
Kaiji payload
resource yara_rule behavioral1/files/fstream-3.dat Kaiji -
Kaiji family
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Executes dropped EXE 1 IoCs
ioc pid Process /etc/32676 748 sh -
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 -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself ksoftirqd/0 740 linux_mips.elf -
Command and Scripting Interpreter: Unix Shell 1 TTPs 2 IoCs
Execute scripts via Unix Shell.
pid Process 746 sh 788 sh -
Enumerates kernel/hardware configuration 1 TTPs 33 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 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/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/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/self/stat systemctl File opened for reading /proc/cmdline systemctl 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/filesystems systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/cmdline 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/self/stat systemctl 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/cmdline systemctl File opened for reading /proc/1/environ systemctl 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/self/stat systemctl File opened for reading /proc/1/environ 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/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/1/environ systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/filesystems 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/cmdline systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/self/stat 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/filesystems 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/cmdline systemctl 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/filesystems systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/self/stat systemctl 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/filesystems sed File opened for reading /proc/self/stat systemctl -
System Network Configuration Discovery 1 TTPs 2 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 731 linux_mips.elf 737 linux_mips.elf
Processes
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/tmp/linux_mips.elf/tmp/linux_mips.elf1⤵
- Enumerates kernel/hardware configuration
- System Network Configuration Discovery
PID:731 -
/tmp/linux_mips.elf/tmp/linux_mips.elf " "2⤵
- Changes its process name
- Enumerates kernel/hardware configuration
- System Network Configuration Discovery
PID:737 -
/bin/sh/bin/sh -c "/etc/32676&"3⤵
- Executes dropped EXE
- Command and Scripting Interpreter: Unix Shell
PID:746
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/usr/sbin/serviceservice crond start3⤵PID:750
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:751
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:754
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/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:757
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/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:762
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/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵
- Reads runtime system information
PID:763
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/bin/systemctlsystemctl -p Triggers show dbus.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:769
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/bin/systemctlsystemctl -p Triggers show ssh.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:771
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/bin/systemctlsystemctl -p Triggers show syslog.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:773
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/bin/systemctlsystemctl -p Triggers show systemd-fsckd.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:776
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/bin/systemctlsystemctl -p Triggers show systemd-initctl.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:778
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/bin/systemctlsystemctl -p Triggers show systemd-journald-audit.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:780
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/bin/systemctlsystemctl -p Triggers show systemd-journald-dev-log.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:781
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/bin/systemctlsystemctl -p Triggers show systemd-journald.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:783
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/bin/systemctlsystemctl -p Triggers show systemd-networkd.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:784
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/bin/systemctlsystemctl -p Triggers show systemd-rfkill.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:785
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/bin/systemctlsystemctl -p Triggers show systemd-udevd-control.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:786
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/bin/systemctlsystemctl -p Triggers show systemd-udevd-kernel.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:787
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/usr/local/sbin/systemctlsystemctl start crond.service3⤵PID:750
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/usr/local/bin/systemctlsystemctl start crond.service3⤵PID:750
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/usr/sbin/systemctlsystemctl start crond.service3⤵PID:750
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/usr/bin/systemctlsystemctl start crond.service3⤵PID:750
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/sbin/systemctlsystemctl start crond.service3⤵PID:750
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/bin/systemctlsystemctl start crond.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:750
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/bin/sh/bin/sh -c "echo \"*/1 * * * * root /.mod \" >> /etc/crontab"3⤵
- Creates/modifies Cron job
- Command and Scripting Interpreter: Unix Shell
PID:788
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/usr/bin/renicerenice -20 7373⤵PID:789
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/bin/mountmount -o bind /tmp/ /proc/7373⤵PID:790
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/usr/sbin/serviceservice cron start3⤵PID:791
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:792
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:793
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/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:794
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/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:796
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/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵PID:797
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/bin/systemctlsystemctl -p Triggers show dbus.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:798
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/bin/systemctlsystemctl -p Triggers show ssh.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:799
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/bin/systemctlsystemctl -p Triggers show syslog.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:800
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/bin/systemctlsystemctl -p Triggers show systemd-fsckd.socket4⤵
- Enumerates kernel/hardware configuration
PID:801
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/bin/systemctlsystemctl -p Triggers show systemd-initctl.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:802
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/bin/systemctlsystemctl -p Triggers show systemd-journald-audit.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:803
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/bin/systemctlsystemctl -p Triggers show systemd-journald-dev-log.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:804
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/bin/systemctlsystemctl -p Triggers show systemd-journald.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:805
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/bin/systemctlsystemctl -p Triggers show systemd-networkd.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:806
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/bin/systemctlsystemctl -p Triggers show systemd-rfkill.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:807
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/bin/systemctlsystemctl -p Triggers show systemd-udevd-control.socket4⤵
- Enumerates kernel/hardware configuration
PID:808
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/bin/systemctlsystemctl -p Triggers show systemd-udevd-kernel.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:810
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/usr/local/sbin/systemctlsystemctl start cron.service3⤵PID:791
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/usr/local/bin/systemctlsystemctl start cron.service3⤵PID:791
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/usr/sbin/systemctlsystemctl start cron.service3⤵PID:791
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/usr/bin/systemctlsystemctl start cron.service3⤵PID:791
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/sbin/systemctlsystemctl start cron.service3⤵PID:791
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/bin/systemctlsystemctl start cron.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:791
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/bin/systemctlsystemctl start crond.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:813
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/etc/32676/etc/326761⤵PID:748
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/bin/sleepsleep 602⤵PID:752
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/bin/sleepsleep 602⤵PID:883
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/bin/sleepsleep 602⤵PID:894
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
34B
MD5f5a3713282e43c200f30342f5ff5e2ea
SHA12b2ce1a207e2b691a074c6f78f71c4785aae426a
SHA2566ab64e727571458d4884fb2fe82c27c467db0699cb8f648b3f0217c35d2b7511
SHA5125bcb8cd360409147a486755f90e0cdd97183af02ce8de5135b7c6a8a010deb9ef12dcd5ee9a2a8fd2e159347f68e72d6b7fd75e943b4fcd928d7a74b97476013
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Filesize
41B
MD52eed6ffd6b20736c6771b584cd90c947
SHA1aa4770157d68a10c43f185f1292935accef7504a
SHA256db831bacf5e5f82cbca4da483f12b4c8cef6b47b19ac4b4ca1061d95a3c53e7c
SHA5124514199e5fc684f4cbd04facb3f1838928c1726ad4084a8a0cfc373fda0633237b22ee36ed2c2f03ca1aa6fb6fd71194b301eeffb4bd7f5c73d0624a443371f5
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Filesize
90B
MD554cdd87a2c34172249b99a4f1aae4c60
SHA1f66841716ec38e63bc6ce04302cd82d5d942f5b5
SHA256181fe8e7f0b277e45eddb6d277bb204ffd93d539a02222f34a1595f02aad94f1
SHA512b5f877dae34167191ae4945e0d1db94be9705ecccaed806f5adcc14928dc6be3fceaa0cc04edcbb8127ba8b1a3470c7187a805410dc29e9fddfc5c1cc4a95c13
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Filesize
56B
MD5585f408444cbca746945f0cb63f2c3f0
SHA10e44bae17174f04514e770ca7fc4bec1007e39cd
SHA256ebb961c647363dfa90f302de378e0e61807b9b792fc86616635a713cca8f4299
SHA512022241dbafad55164701f67ef5b84154e3af97c5dfe77dee7bf8406f2befbd2962bbf4f243432b2f41d6c2376b87fcf551fd6945e03ddb02a5619c2f0f69c596
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Filesize
2.2MB
MD55ec2f6c412ccfcc16781a7f3f37fb474
SHA1912cb18493577a0b5c64d994f4b6bc05990ae390
SHA256e58dffab271cd20cb6089017017d8e6c5f68c56c2b1877e8a94bbcdadcd4ef4c
SHA512ce37675e1ccfd0e7fdf2fe155473d94222ceb28cf8a3c797033617a07e7ce632240bdbb338d7c3aec5131a343d172a4d58a05e2558408e42b3eb80cf1767857f
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Filesize
915B
MD5217d1865cb2770d7650ead8960539181
SHA15f0f39bd441fa71c36306386d8a81f59480d4e53
SHA256fff6d267ac34e86916b0f08ff177c854a20f9353ecd1c3d0250c18fd0b375fa3
SHA512f3442829f25e60dc17504619798da502922ea3ab2d92355316e67bd236423e28ed0af8f3d2270b52fe3e7108f5280ea113ec9a03cc1abdc8d6360ecece455d31
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Filesize
240KB
MD597b5c6c1b307114efc38193175a343c3
SHA124015d4f95c6878ea5027c134eddebb7126b610f
SHA256b1a89f313023b476fc826d8fac689679504e61ae8e650681fb966e810ed34970
SHA512e5359f3e082f54f5cfd7afa7771d8724d161d48d09372f203bdca222a47a63919fdfb76b6db7fb8ff61e92f8fd04fdec962e94331ff12705cf53ce5e23d33180