Analysis
-
max time kernel
149s -
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
04-11-2024 15:57
Behavioral task
behavioral1
Sample
linux_mips_softfloat.elf
Resource
debian9-mipsbe-20240611-en
General
-
Target
linux_mips_softfloat.elf
-
Size
5.6MB
-
MD5
17fac7ffcec5df4d624a5e46c3ce97d1
-
SHA1
21c0af1bd2753963f2444b999d646a7ed6f02033
-
SHA256
85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e
-
SHA512
90026422a550a6f10b6a0b8dac521a2ce4a0f9575f5c177ebf70d71ad1a815aa0aebada2e188207b8dfb6ba10597c4d59c4ff037e7b766bb55144b9a0413bcde
-
SSDEEP
49152:L3qbSw1zUu72RTScFnsKbyRHzPDPs4coYtJkEk2wBIxWyDp/9zUH+zOuux83ZIqG:jqO0o2pgDQ
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 5 IoCs
Processes:
32678id.services.confid.services.conf32678id.services.confioc pid process /etc/32678 728 32678 /etc/id.services.conf 788 id.services.conf /etc/id.services.conf 796 id.services.conf /etc/32678 797 32678 /etc/id.services.conf 813 id.services.conf -
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/0 734 linux_mips_softfloat.elf -
Reads CPU attributes 1 TTPs 1 IoCs
Processes:
pkilldescription ioc process File opened for reading /sys/devices/system/cpu/online pkill -
Enumerates kernel/hardware configuration 1 TTPs 16 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
Processes:
systemctlid.services.confid.services.confsystemctlsystemctlsystemctlsystemctlsystemctlsystemctlid.services.conflinux_mips_softfloat.elfsystemctlsystemctlsystemctlsystemctllinux_mips_softfloat.elfdescription 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/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/kernel/mm/transparent_hugepage/hpage_pmd_size id.services.conf 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/kernel/mm/transparent_hugepage/hpage_pmd_size linux_mips_softfloat.elf -
Processes:
pkillsystemctlsystemctlsystemctlsystemctlmountsystemctlsystemctlsystemctlsystemctlsystemctldescription ioc process File opened for reading /proc/7/cmdline pkill File opened for reading /proc/21/cmdline pkill File opened for reading /proc/70/status pkill File opened for reading /proc/690/status pkill File opened for reading /proc/1/environ systemctl File opened for reading /proc/80/status pkill File opened for reading /proc/156/status pkill File opened for reading /proc/22/status pkill File opened for reading /proc/76/cmdline pkill File opened for reading /proc/710/cmdline pkill File opened for reading /proc/self/stat systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/filesystems pkill File opened for reading /proc/6/cmdline pkill File opened for reading /proc/14/cmdline pkill File opened for reading /proc/23/cmdline pkill File opened for reading /proc/1/environ systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/1/status pkill File opened for reading /proc/3/status pkill File opened for reading /proc/5/status pkill File opened for reading /proc/12/cmdline pkill File opened for reading /proc/17/cmdline pkill File opened for reading /proc/20/cmdline pkill File opened for reading /proc/filesystems mount File opened for reading /proc/cmdline systemctl File opened for reading /proc/1/cmdline pkill File opened for reading /proc/2/cmdline pkill File opened for reading /proc/22/cmdline pkill File opened for reading /proc/78/cmdline pkill File opened for reading /proc/674/cmdline pkill File opened for reading /proc/728/status pkill File opened for reading /proc/cmdline systemctl File opened for reading /proc/77/cmdline pkill File opened for reading /proc/251/status pkill File opened for reading /proc/720/cmdline pkill File opened for reading /proc/710/status pkill 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/13/status pkill File opened for reading /proc/82/cmdline pkill File opened for reading /proc/708/status pkill File opened for reading /proc/18/cmdline pkill File opened for reading /proc/36/cmdline pkill File opened for reading /proc/73/cmdline pkill File opened for reading /proc/418/cmdline pkill File opened for reading /proc/126/cmdline pkill File opened for reading /proc/385/cmdline pkill 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/74/status pkill File opened for reading /proc/75/cmdline pkill File opened for reading /proc/74/cmdline pkill File opened for reading /proc/716/cmdline pkill File opened for reading /proc/1/environ systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/2/status pkill File opened for reading /proc/18/status pkill File opened for reading /proc/filesystems systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/161/cmdline pkill -
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 711 linux_mips_softfloat.elf 727 linux_mips_softfloat.elf -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
Processes:
description flow ioc HTTP User-Agent header 6 Go-http-client/1.1
Processes
-
/tmp/linux_mips_softfloat.elf/tmp/linux_mips_softfloat.elf1⤵
- Enumerates kernel/hardware configuration
- System Network Configuration Discovery
PID:711 -
/bin/shsh -c "/etc/32678&"2⤵PID:724
-
/etc/32678/etc/326783⤵
- Executes dropped EXE
PID:728 -
/bin/sleepsleep 604⤵PID:740
-
-
/etc/id.services.conf/etc/id.services.conf4⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:788 -
/usr/bin/pkillpkill -9 326785⤵
- Reads CPU attributes
- Reads runtime system information
PID:793
-
-
/bin/shsh -c "/etc/32678&"5⤵PID:794
-
-
/usr/sbin/serviceservice crond start5⤵PID:795
-
/usr/bin/basenamebasename /usr/sbin/service6⤵PID:799
-
-
/usr/bin/basenamebasename /usr/sbin/service6⤵PID:804
-
-
/bin/systemctlsystemctl --quiet is-active multi-user.target6⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:805
-
-
/bin/systemctlsystemctl list-unit-files --full "--type=socket"6⤵
- Enumerates kernel/hardware configuration
PID:807
-
-
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"6⤵PID:808
-
-
-
/etc/id.services.conf/etc/id.services.conf " "5⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:796
-
-
-
-
-
/usr/sbin/serviceservice crond start2⤵PID:726
-
/usr/bin/basenamebasename /usr/sbin/service3⤵PID:732
-
-
/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
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:727 -
/usr/sbin/update-rc.dupdate-rc.d linux_kill defaults3⤵PID:741
-
/usr/local/sbin/systemctlsystemctl daemon-reload4⤵PID:755
-
-
/usr/local/bin/systemctlsystemctl daemon-reload4⤵PID:755
-
-
/usr/sbin/systemctlsystemctl daemon-reload4⤵PID:755
-
-
/usr/bin/systemctlsystemctl daemon-reload4⤵PID:755
-
-
/sbin/systemctlsystemctl daemon-reload4⤵PID:755
-
-
/bin/systemctlsystemctl daemon-reload4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:755
-
-
-
/bin/bashbash -c "echo \"*/1 * * * * root /.img \" >> /etc/crontab"3⤵
- Creates/modifies Cron job
PID:761
-
-
/usr/bin/renicerenice -20 7273⤵PID:763
-
-
/bin/mountmount -o bind /tmp/ /proc/7273⤵
- Reads runtime system information
PID:764
-
-
/usr/sbin/serviceservice cron start3⤵PID:765
-
/usr/bin/basenamebasename /usr/sbin/service4⤵PID:766
-
-
/usr/bin/basenamebasename /usr/sbin/service4⤵PID:767
-
-
/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:768
-
-
/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:770
-
-
/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵PID:771
-
-
-
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:765
-
-
/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:765
-
-
/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:765
-
-
/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:765
-
-
/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:765
-
-
/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:765
-
-
/bin/systemctlsystemctl start crond.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:772
-
-
-
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:726
-
/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:726
-
/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:726
-
/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:726
-
/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:726
-
/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:726
-
/etc/32678/etc/326781⤵
- Executes dropped EXE
PID:797 -
/bin/sleepsleep 602⤵PID:803
-
-
/etc/id.services.conf/etc/id.services.conf2⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:813
-
-
/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:795
-
/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:795
-
/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:795
-
/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:795
-
/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:795
-
/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:795
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
MD517fac7ffcec5df4d624a5e46c3ce97d1
SHA121c0af1bd2753963f2444b999d646a7ed6f02033
SHA25685c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e
SHA51290026422a550a6f10b6a0b8dac521a2ce4a0f9575f5c177ebf70d71ad1a815aa0aebada2e188207b8dfb6ba10597c4d59c4ff037e7b766bb55144b9a0413bcde
-
Filesize
189B
MD53909975f7cc0d1121c1819b800069f31
SHA13e68de708c2e6c40fab6794afdee3104e5590189
SHA2566876dac71f13a068afb863d257134275f2edba43b2acaf4924fabf97c079070b
SHA51250600cceeb03b05f45ae61d890caee9f51ff390b6776930866e527e071d65d08241fc66673fd9b99d62fbc77d3c00fc3de4d7378cbc42f5daba5d83072b0906e
-
Filesize
37B
MD5cfb4e51061485fe91169381fbdc1538e
SHA19a85b9b766a15b01737a41d680e4593b7a9bde87
SHA256897f37267d0ceaa2fbdaa09847f5d08e6f8b01a0348a0d666264b0f10acd0c90
SHA512fb154ec711d2090a7461da4db8ddad2b522649a27e74162ecb203f539b1729430288bc02d78d2071bde9c4bbc005693403a57612ef50277d52f816cb94524216