Analysis
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max time kernel
149s -
max time network
156s -
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
02-11-2024 03:34
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
2.2MB
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MD5
b5a8f29c137a214ffef83b0bc5daad97
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SHA1
90fc46188e7bc83a423a3ea8fe0392660f594eb0
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SHA256
63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c
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SHA512
ed372ee7f59c15b9dbf005f20d660223b23c04a0d3f660efdcfb9fc1bd9a0d5aca836befecc6a155104607883520f8da0ff911534dd330ade448f52c9d52e544
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SSDEEP
24576:cdz8hxtvZ8T0p+gpvRYvyVW1Z0+WJ/RVXbwqel9OFI+TcR:TFpW0gqelga+u
Malware Config
Signatures
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Kaiji 1 IoCs
Kaiji payload
Processes:
resource yara_rule /etc/opt.services.cfg Kaiji -
Kaiji family
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Executes dropped EXE 5 IoCs
Processes:
32676opt.services.cfgopt.services.cfgopt.services.cfgopt.services.cfgioc pid process /etc/32676 725 32676 /etc/opt.services.cfg 833 opt.services.cfg /etc/opt.services.cfg 837 opt.services.cfg /etc/opt.services.cfg 884 opt.services.cfg /etc/opt.services.cfg 888 opt.services.cfg -
Creates/modifies Cron job 1 TTPs 1 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
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Command and Scripting Interpreter: Unix Shell 1 TTPs 2 IoCs
Execute scripts via Unix Shell.
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Enumerates kernel/hardware configuration 1 TTPs 13 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
Processes:
systemctlsystemctlsystemctlopt.services.cfgopt.services.cfgsystemctlopt.services.cfgopt.services.cfglinux_mips.elflinux_mips.elfsystemctlsystemctlsystemctldescription 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/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/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/kernel/mm/transparent_hugepage/hpage_pmd_size linux_mips.elf 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 -
Processes:
systemctlsystemctlsystemctlsedsystemctlsystemctlsystemctlsystemctlsedmountdescription ioc process 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/filesystems systemctl File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems systemctl 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/self/stat 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/filesystems sed 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/filesystems 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/self/stat systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/filesystems mount File opened for reading /proc/cmdline systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/1/environ systemctl -
System Network Configuration Discovery 1 TTPs 2 IoCs
Adversaries may gather information about the network configuration of a system.
Processes:
linux_mips.elflinux_mips.elfpid process 706 linux_mips.elf 715 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:706 -
/tmp/linux_mips.elf/tmp/linux_mips.elf " "2⤵
- Enumerates kernel/hardware configuration
- System Network Configuration Discovery
PID:715 -
/bin/sh/bin/sh -c "/etc/32676&"3⤵
- Command and Scripting Interpreter: Unix Shell
PID:723 -
/etc/32676/etc/326764⤵
- Executes dropped EXE
PID:725 -
/bin/sleepsleep 605⤵PID:729
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/etc/opt.services.cfg/etc/opt.services.cfg5⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:833 -
/etc/opt.services.cfg/etc/opt.services.cfg " "6⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:837 -
/bin/sleepsleep 605⤵PID:838
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/etc/opt.services.cfg/etc/opt.services.cfg5⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:884 -
/etc/opt.services.cfg/etc/opt.services.cfg " "6⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:888 -
/bin/sleepsleep 605⤵PID:889
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/usr/sbin/serviceservice crond start3⤵PID:726
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:728
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:731
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/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:733 -
/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:737 -
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵
- Reads runtime system information
PID:738 -
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵PID:726
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/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵PID:726
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/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵PID:726
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/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵PID:726
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/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵PID:726
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/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:726 -
/bin/sh/bin/sh -c "echo \"*/1 * * * * root /.mod \" >> /etc/crontab"3⤵
- Creates/modifies Cron job
- Command and Scripting Interpreter: Unix Shell
PID:745 -
/usr/bin/renicerenice -20 7153⤵PID:749
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/bin/mountmount -o bind /tmp/ /proc/7153⤵
- Reads runtime system information
PID:751 -
/usr/sbin/serviceservice cron start3⤵PID:753
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:754
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:755
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/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:756 -
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵
- Reads runtime system information
PID:760 -
/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:759 -
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:753
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/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:753
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/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:753
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/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:753
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/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:753
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/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:753 -
/bin/systemctlsystemctl start crond.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:761
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
34B
MD5f5a3713282e43c200f30342f5ff5e2ea
SHA12b2ce1a207e2b691a074c6f78f71c4785aae426a
SHA2566ab64e727571458d4884fb2fe82c27c467db0699cb8f648b3f0217c35d2b7511
SHA5125bcb8cd360409147a486755f90e0cdd97183af02ce8de5135b7c6a8a010deb9ef12dcd5ee9a2a8fd2e159347f68e72d6b7fd75e943b4fcd928d7a74b97476013
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Filesize
41B
MD5969c8cca63e0a222c5e57f44b34a0924
SHA1ab4c40d0cacdd15edc895bbbe54c5ae57e2e8f9f
SHA2567c55d9d92ed75324ce414dc67a4a66ef31c9de0f3e51667034254b10f4281ccd
SHA51229fbda92565de3f7fc8143e59603f5af508e3ff0303905100ee61f9e56aa0df2468db1bad5e563869b6368854989cbb0858859946bc59cf81f40260ba388e8f8
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Filesize
90B
MD56440d7093429aa4d47f92fbf5922e640
SHA18d5b0ea134206bd7cd62bc509b0e9bdf77bcbba9
SHA2563fdfe2279dfd5cb2168a74af4251de8818609bcd2c9dddbceeaf2d70ae5a762c
SHA512d294d5292c36c0632f20c7830102ea7e07e0930473b62c664d8d8916be6bcd0480588f29257d3b7233c5b74413e6e2de5f2d87729a80283f41fdfe9956211ac9
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Filesize
61B
MD547684525bfdf26f49fd1cf742b17c015
SHA1c4ab14ba22420ff9acadfc698a38d0cd99e9fbfa
SHA256b7ce294613dd2c237a4a50548bfcd5c14d166107f2d2e965499bc78695300d5b
SHA512948f9c519ae9afe1c821c5d58da2e584e50356dabef597ccd408853a9038560b9fb1c5894900e2725b48977ffd49d18a439436bb4946e2164ac9fcf2a8637621
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Filesize
2.2MB
MD5b5a8f29c137a214ffef83b0bc5daad97
SHA190fc46188e7bc83a423a3ea8fe0392660f594eb0
SHA25663bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c
SHA512ed372ee7f59c15b9dbf005f20d660223b23c04a0d3f660efdcfb9fc1bd9a0d5aca836befecc6a155104607883520f8da0ff911534dd330ade448f52c9d52e544
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Filesize
915B
MD5217d1865cb2770d7650ead8960539181
SHA15f0f39bd441fa71c36306386d8a81f59480d4e53
SHA256fff6d267ac34e86916b0f08ff177c854a20f9353ecd1c3d0250c18fd0b375fa3
SHA512f3442829f25e60dc17504619798da502922ea3ab2d92355316e67bd236423e28ed0af8f3d2270b52fe3e7108f5280ea113ec9a03cc1abdc8d6360ecece455d31
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Filesize
240KB
MD597b5c6c1b307114efc38193175a343c3
SHA124015d4f95c6878ea5027c134eddebb7126b610f
SHA256b1a89f313023b476fc826d8fac689679504e61ae8e650681fb966e810ed34970
SHA512e5359f3e082f54f5cfd7afa7771d8724d161d48d09372f203bdca222a47a63919fdfb76b6db7fb8ff61e92f8fd04fdec962e94331ff12705cf53ce5e23d33180