Analysis
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max time kernel
150s -
max time network
151s -
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
03-11-2024 02:54
Behavioral task
behavioral1
Sample
63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c.elf
Resource
debian9-mipsbe-20240611-en
General
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Target
63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c.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 716 32676 /etc/opt.services.cfg 856 opt.services.cfg /etc/opt.services.cfg 860 opt.services.cfg /etc/opt.services.cfg 876 opt.services.cfg /etc/opt.services.cfg 880 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:
63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c.elfsystemctlsystemctlsystemctl63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c.elfsystemctlsystemctlsystemctlsystemctlopt.services.cfgopt.services.cfgopt.services.cfgopt.services.cfgdescription ioc process File opened for reading /sys/kernel/mm/transparent_hugepage/hpage_pmd_size 63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c.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/kernel/mm/transparent_hugepage/hpage_pmd_size 63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c.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 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 opt.services.cfg File opened for reading /sys/kernel/mm/transparent_hugepage/hpage_pmd_size opt.services.cfg -
Processes:
systemctlsystemctlsystemctlsystemctlsystemctlsystemctlmountsedsystemctlseddescription ioc process File opened for reading /proc/filesystems systemctl File opened for reading /proc/self/stat 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/cmdline systemctl File opened for reading /proc/filesystems mount File opened for reading /proc/1/environ systemctl File opened for reading /proc/filesystems sed File opened for reading /proc/1/environ 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/self/stat systemctl File opened for reading /proc/1/environ 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 sed 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/self/stat systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/cmdline systemctl
Processes
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/tmp/63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c.elf/tmp/63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c.elf1⤵
- Enumerates kernel/hardware configuration
PID:699 -
/tmp/63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c.elf/tmp/63bfb2501a4607933ba3bdbbdfeca57a80017215006877b52638fd8ad126788c.elf " "2⤵
- Enumerates kernel/hardware configuration
PID:705 -
/bin/sh/bin/sh -c "/etc/32676&"3⤵
- Command and Scripting Interpreter: Unix Shell
PID:715 -
/usr/sbin/serviceservice crond start3⤵PID:717
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:720
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:722
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/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:725 -
/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:728 -
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵
- Reads runtime system information
PID:729 -
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵PID:717
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/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵PID:717
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/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵PID:717
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/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵PID:717
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/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵PID:717
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/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:717 -
/bin/sh/bin/sh -c "echo \"*/1 * * * * root /.mod \" >> /etc/crontab"3⤵
- Creates/modifies Cron job
- Command and Scripting Interpreter: Unix Shell
PID:740 -
/usr/bin/renicerenice -20 7053⤵PID:746
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/bin/mountmount -o bind /tmp/ /proc/7053⤵
- Reads runtime system information
PID:747 -
/usr/sbin/serviceservice cron start3⤵PID:748
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:750
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:751
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/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:752 -
/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:754 -
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵
- Reads runtime system information
PID:755 -
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:748
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/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:748
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/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:748
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/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:748
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/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:748
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/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:748 -
/bin/systemctlsystemctl start crond.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:757
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/etc/32676/etc/326761⤵
- Executes dropped EXE
PID:716 -
/bin/sleepsleep 602⤵PID:719
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/etc/opt.services.cfg/etc/opt.services.cfg2⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:856 -
/etc/opt.services.cfg/etc/opt.services.cfg " "3⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:860 -
/bin/sleepsleep 602⤵PID:861
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/etc/opt.services.cfg/etc/opt.services.cfg2⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:876 -
/etc/opt.services.cfg/etc/opt.services.cfg " "3⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:880 -
/bin/sleepsleep 602⤵PID:881
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
MD5ed61e5384b767dc9387c3297f7644c7a
SHA192aea3e1516267131884bd14d589da5d05945253
SHA2560bacccbfb60e622d5eb13d01254515cea82c7d025aec7130feb4dbdf4e28540d
SHA5120051e0d7b7b4134967e3fa6f1b28a25ba1fc7845016471c81f19292cd16e6c655b64800483bcb093e482b7ba17f0f3260a5f4d39311a46c0ead432a1c9a3d77d
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Filesize
90B
MD599070834e5b06f5b564e2ece9d138d33
SHA11af1c8bee403a3e15a1090b75d39b639882dbcb4
SHA2563979dfee18a2af9f72dcee49649a0520551c7a7284a8b86238d531c701f27bdf
SHA512a931a8bf476905519b99771dac38dbba8985266a2247890ad6c2a5d073e907f4d37696933074a54429cc46f8eaac7acc426c26a03aaff27f114487696fbb5129
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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
969B
MD57e6e661a9a61c00a6ae1f3fdb0232e03
SHA18ba350b8b60e5b01d7f067ad7304a6917d4dbe99
SHA2565c25e54fc32f41d2e0e592446698e124baf148046cbb538df75b53434f05ddb2
SHA51292828955cbb5f4020467479e27cd9a9caa8752e716c2872ec51d2bfadbf8ee4767abb6306b5b0a2cf04437911a8d8c4449287ab4a41ae30a276dbc09d19fc054
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Filesize
240KB
MD597b5c6c1b307114efc38193175a343c3
SHA124015d4f95c6878ea5027c134eddebb7126b610f
SHA256b1a89f313023b476fc826d8fac689679504e61ae8e650681fb966e810ed34970
SHA512e5359f3e082f54f5cfd7afa7771d8724d161d48d09372f203bdca222a47a63919fdfb76b6db7fb8ff61e92f8fd04fdec962e94331ff12705cf53ce5e23d33180