Analysis
-
max time kernel
151s -
max time network
153s -
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
08-11-2024 09:24
Behavioral task
behavioral1
Sample
linux_mips_softfloat.elf
Resource
debian9-mipsbe-20240611-en
General
-
Target
linux_mips_softfloat.elf
-
Size
5.6MB
-
MD5
2bf1de110f0a00793163d3b8a2218116
-
SHA1
0ee22b3212c4ce77211be15c1acaa4e6a3b48bbe
-
SHA256
62276321c1ece752fb5883d9e4e5a2215b07ece7898a3d7294e17f634147a39c
-
SHA512
e537be38842ac87d354a3c262e42ad6ad7d13cd7018dd9bb0c940cf5d5902182570bdd53634acfbf77ed4e6481eaee57b31366d5041fe0a290ee058c6f76a0a0
-
SSDEEP
49152:L3qbSw1zUu72RTScFnsKbyRHzPDPs4coYtJkEk2wBIxWyDp/9zUH+zOuzx83ZIqG:jqO0o2IgDQ
Malware Config
Signatures
-
Kaiji 1 IoCs
Kaiji payload
Processes:
resource yara_rule /etc/id.services.conf Kaiji -
Kaiji family
-
kaiji_chaosbot 1 IoCs
Chaos-variant payload
Processes:
resource yara_rule /etc/id.services.conf kaiji_chaosbot -
Executes dropped EXE 7 IoCs
Processes:
32678id.services.confid.services.conf32678id.services.confid.services.conf32678ioc pid process /etc/32678 732 32678 /etc/id.services.conf 797 id.services.conf /etc/id.services.conf 804 id.services.conf /etc/32678 808 32678 /etc/id.services.conf 822 id.services.conf /etc/id.services.conf 829 id.services.conf /etc/32678 833 32678 -
Creates/modifies Cron job 1 TTPs 1 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
-
Enumerates running processes
Discovers information about currently running processes on the system
-
Changes its process name 1 IoCs
Processes:
linux_mips_softfloat.elfdescription ioc pid process Changes the process name, possibly in an attempt to hide itself ksoftirqd/0 729 linux_mips_softfloat.elf -
Reads CPU attributes 1 TTPs 2 IoCs
Processes:
pkillpkilldescription ioc process File opened for reading /sys/devices/system/cpu/online pkill File opened for reading /sys/devices/system/cpu/online pkill -
Enumerates kernel/hardware configuration 1 TTPs 32 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
Processes:
systemctllinux_mips_softfloat.elfsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlid.services.confid.services.confsystemctlid.services.confsystemctlsystemctlsystemctlsystemctlsystemctllinux_mips_softfloat.elfsystemctlsystemctlsystemctlid.services.confsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlsystemctldescription 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 linux_mips_softfloat.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/kernel/mm/transparent_hugepage/hpage_pmd_size id.services.conf 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/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/kernel/mm/transparent_hugepage/hpage_pmd_size linux_mips_softfloat.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 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 -
Processes:
pkillpkillsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlmountsystemctldescription ioc process File opened for reading /proc/20/cmdline pkill File opened for reading /proc/732/status pkill File opened for reading /proc/701/status pkill File opened for reading /proc/cmdline systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/11/cmdline pkill File opened for reading /proc/357/status pkill File opened for reading /proc/381/cmdline pkill File opened for reading /proc/687/status pkill File opened for reading /proc/filesystems systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/36/status pkill File opened for reading /proc/9/cmdline pkill File opened for reading /proc/22/status pkill File opened for reading /proc/687/status pkill File opened for reading /proc/706/cmdline pkill 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/self/stat systemctl File opened for reading /proc/381/cmdline pkill File opened for reading /proc/81/status pkill File opened for reading /proc/173/status pkill File opened for reading /proc/1/environ systemctl File opened for reading /proc/70/status pkill File opened for reading /proc/17/status pkill File opened for reading /proc/757/status pkill File opened for reading /proc/filesystems systemctl File opened for reading /proc/36/cmdline pkill File opened for reading /proc/78/status pkill File opened for reading /proc/361/cmdline pkill File opened for reading /proc/self/stat systemctl File opened for reading /proc/701/status pkill File opened for reading /proc/705/cmdline pkill File opened for reading /proc/self/stat systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/706/cmdline pkill File opened for reading /proc/82/status pkill File opened for reading /proc/7/status pkill File opened for reading /proc/13/cmdline pkill File opened for reading /proc/75/cmdline pkill File opened for reading /proc/679/status pkill File opened for reading /proc/711/status pkill File opened for reading /proc/11/cmdline pkill File opened for reading /proc/19/status pkill File opened for reading /proc/77/status pkill File opened for reading /proc/1/environ systemctl File opened for reading /proc/173/cmdline pkill File opened for reading /proc/429/cmdline pkill File opened for reading /proc/77/cmdline pkill File opened for reading /proc/382/status pkill File opened for reading /proc/cmdline systemctl File opened for reading /proc/77/status pkill File opened for reading /proc/701/cmdline pkill File opened for reading /proc/4/cmdline pkill File opened for reading /proc/9/cmdline pkill File opened for reading /proc/701/cmdline pkill File opened for reading /proc/1/environ systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/21/status pkill File opened for reading /proc/81/status pkill File opened for reading /proc/10/status pkill File opened for reading /proc/filesystems mount 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.
Processes:
linux_mips_softfloat.elflinux_mips_softfloat.elfpid process 709 linux_mips_softfloat.elf 726 linux_mips_softfloat.elf
Processes
-
/tmp/linux_mips_softfloat.elf/tmp/linux_mips_softfloat.elf1⤵
- Enumerates kernel/hardware configuration
- System Network Configuration Discovery
PID:709 -
/bin/shsh -c "/etc/32678&"2⤵PID:724
-
-
/usr/sbin/serviceservice crond start2⤵PID:725
-
/usr/bin/basenamebasename /usr/sbin/service3⤵PID:733
-
-
/usr/bin/basenamebasename /usr/sbin/service3⤵PID:742
-
-
/bin/systemctlsystemctl --quiet is-active multi-user.target3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:744
-
-
/bin/systemctlsystemctl list-unit-files --full "--type=socket"3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:749
-
-
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"3⤵PID:750
-
-
-
/tmp/linux_mips_softfloat.elf/tmp/linux_mips_softfloat.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:738
-
/usr/local/sbin/systemctlsystemctl daemon-reload4⤵PID:752
-
-
/usr/local/bin/systemctlsystemctl daemon-reload4⤵PID:752
-
-
/usr/sbin/systemctlsystemctl daemon-reload4⤵PID:752
-
-
/usr/bin/systemctlsystemctl daemon-reload4⤵PID:752
-
-
/sbin/systemctlsystemctl daemon-reload4⤵PID:752
-
-
/bin/systemctlsystemctl daemon-reload4⤵
- Enumerates kernel/hardware configuration
PID:752
-
-
-
/bin/bashbash -c "echo \"*/1 * * * * root /.img \" >> /etc/crontab"3⤵
- Creates/modifies Cron job
PID:755
-
-
/usr/bin/renicerenice -20 7263⤵PID:759
-
-
/bin/mountmount -o bind /tmp/ /proc/7263⤵
- Reads runtime system information
PID:760
-
-
/usr/sbin/serviceservice cron start3⤵PID:761
-
/usr/bin/basenamebasename /usr/sbin/service4⤵PID:762
-
-
/usr/bin/basenamebasename /usr/sbin/service4⤵PID:763
-
-
/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:764
-
-
/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
PID:767
-
-
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵PID:768
-
-
/bin/systemctlsystemctl -p Triggers show dbus.socket4⤵
- Enumerates kernel/hardware configuration
PID:769
-
-
/bin/systemctlsystemctl -p Triggers show ssh.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:770
-
-
/bin/systemctlsystemctl -p Triggers show syslog.socket4⤵
- Enumerates kernel/hardware configuration
PID:771
-
-
/bin/systemctlsystemctl -p Triggers show systemd-fsckd.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:772
-
-
/bin/systemctlsystemctl -p Triggers show systemd-initctl.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:773
-
-
/bin/systemctlsystemctl -p Triggers show systemd-journald-audit.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:774
-
-
/bin/systemctlsystemctl -p Triggers show systemd-journald-dev-log.socket4⤵
- Enumerates kernel/hardware configuration
PID:775
-
-
/bin/systemctlsystemctl -p Triggers show systemd-journald.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:776
-
-
/bin/systemctlsystemctl -p Triggers show systemd-networkd.socket4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:777
-
-
/bin/systemctlsystemctl -p Triggers show systemd-rfkill.socket4⤵
- Enumerates kernel/hardware configuration
PID:778
-
-
/bin/systemctlsystemctl -p Triggers show systemd-udevd-control.socket4⤵
- Enumerates kernel/hardware configuration
PID:779
-
-
/bin/systemctlsystemctl -p Triggers show systemd-udevd-kernel.socket4⤵
- Enumerates kernel/hardware configuration
PID:780
-
-
-
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:761
-
-
/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:761
-
-
/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:761
-
-
/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:761
-
-
/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:761
-
-
/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵
- Enumerates kernel/hardware configuration
PID:761
-
-
/bin/systemctlsystemctl start crond.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:781
-
-
-
/etc/32678/etc/326781⤵
- Executes dropped EXE
PID:732 -
/bin/sleepsleep 602⤵PID:740
-
-
/etc/id.services.conf/etc/id.services.conf2⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:797 -
/usr/bin/pkillpkill -9 326783⤵
- Reads CPU attributes
- Reads runtime system information
PID:801
-
-
/bin/shsh -c "/etc/32678&"3⤵PID:802
-
/etc/32678/etc/326784⤵
- Executes dropped EXE
PID:808 -
/bin/sleepsleep 605⤵PID:810
-
-
/etc/id.services.conf/etc/id.services.conf5⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:822 -
/usr/bin/pkillpkill -9 326786⤵
- Reads CPU attributes
- Reads runtime system information
PID:826
-
-
/bin/shsh -c "/etc/32678&"6⤵PID:827
-
-
/usr/sbin/serviceservice crond start6⤵PID:828
-
/usr/bin/basenamebasename /usr/sbin/service7⤵PID:834
-
-
/usr/bin/basenamebasename /usr/sbin/service7⤵PID:836
-
-
/bin/systemctlsystemctl --quiet is-active multi-user.target7⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:837
-
-
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"7⤵PID:840
-
-
/bin/systemctlsystemctl list-unit-files --full "--type=socket"7⤵
- Enumerates kernel/hardware configuration
PID:839
-
-
-
/etc/id.services.conf/etc/id.services.conf " "6⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:829
-
-
-
-
-
/usr/sbin/serviceservice crond start3⤵PID:803
-
/usr/bin/basenamebasename /usr/sbin/service4⤵PID:809
-
-
/usr/bin/basenamebasename /usr/sbin/service4⤵PID:811
-
-
/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
PID:812
-
-
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵PID:815
-
-
/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:814
-
-
-
/etc/id.services.conf/etc/id.services.conf " "3⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:804
-
-
-
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:725
-
/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:725
-
/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:725
-
/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:725
-
/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:725
-
/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:725
-
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:803
-
/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:803
-
/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:803
-
/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:803
-
/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:803
-
/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵
- Enumerates kernel/hardware configuration
PID:803
-
/etc/32678/etc/326781⤵
- Executes dropped EXE
PID:833 -
/bin/sleepsleep 602⤵PID:835
-
-
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:828
-
/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:828
-
/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:828
-
/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:828
-
/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:828
-
/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵
- Enumerates kernel/hardware configuration
PID:828
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
33B
MD5d73d3376908ea075a939e3871ad0fabe
SHA1320ff65831247ba199515f1b94df26cc8a3e5f76
SHA256edbdabe30d8236a2c0a4eb89dfd597552130e4c1a4e93f8fe1568920442ad73a
SHA51257b83fef88620598beb5d65626bf757d0abef242d2d6a01796a61474dedc5095a4a9d0f292b6abb450cad3d4410ab8456253600f58ddb66cfe6d79e1c8415536
-
Filesize
61B
MD5768eaf287796da19e1cf5e0b2fb1b161
SHA16a1ce2ee5ccc86d1f33806feb14547b35290df2a
SHA2561d22620dfb2a6715e5d745aed5cf841ede0e75e1747f12b9b925a2d346bc7ecb
SHA512e6af30c9df4f7f47696069511e64ecbc8e841629d692ee4056503df3533fb7a7a74960698826260355e1dba7b6c562482a27a39bb51a4237473ce4b68472d620
-
Filesize
5.6MB
MD52bf1de110f0a00793163d3b8a2218116
SHA10ee22b3212c4ce77211be15c1acaa4e6a3b48bbe
SHA25662276321c1ece752fb5883d9e4e5a2215b07ece7898a3d7294e17f634147a39c
SHA512e537be38842ac87d354a3c262e42ad6ad7d13cd7018dd9bb0c940cf5d5902182570bdd53634acfbf77ed4e6481eaee57b31366d5041fe0a290ee058c6f76a0a0
-
Filesize
189B
MD53909975f7cc0d1121c1819b800069f31
SHA13e68de708c2e6c40fab6794afdee3104e5590189
SHA2566876dac71f13a068afb863d257134275f2edba43b2acaf4924fabf97c079070b
SHA51250600cceeb03b05f45ae61d890caee9f51ff390b6776930866e527e071d65d08241fc66673fd9b99d62fbc77d3c00fc3de4d7378cbc42f5daba5d83072b0906e
-
Filesize
37B
MD5cfb4e51061485fe91169381fbdc1538e
SHA19a85b9b766a15b01737a41d680e4593b7a9bde87
SHA256897f37267d0ceaa2fbdaa09847f5d08e6f8b01a0348a0d666264b0f10acd0c90
SHA512fb154ec711d2090a7461da4db8ddad2b522649a27e74162ecb203f539b1729430288bc02d78d2071bde9c4bbc005693403a57612ef50277d52f816cb94524216