Analysis
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max time kernel
150s -
max time network
157s -
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
05-11-2024 03:53
Behavioral task
behavioral1
Sample
85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elf
Resource
debian9-mipsbe-20240611-en
General
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Target
85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elf
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Size
5.6MB
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MD5
17fac7ffcec5df4d624a5e46c3ce97d1
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SHA1
21c0af1bd2753963f2444b999d646a7ed6f02033
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SHA256
85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e
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SHA512
90026422a550a6f10b6a0b8dac521a2ce4a0f9575f5c177ebf70d71ad1a815aa0aebada2e188207b8dfb6ba10597c4d59c4ff037e7b766bb55144b9a0413bcde
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SSDEEP
49152:L3qbSw1zUu72RTScFnsKbyRHzPDPs4coYtJkEk2wBIxWyDp/9zUH+zOuux83ZIqG:jqO0o2pgDQ
Malware Config
Signatures
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Kaiji 1 IoCs
Kaiji payload
Processes:
resource yara_rule /etc/id.services.conf Kaiji -
Kaiji family
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kaiji_chaosbot 1 IoCs
Chaos-variant payload
Processes:
resource yara_rule /etc/id.services.conf kaiji_chaosbot -
Executes dropped EXE 4 IoCs
Processes:
32678id.services.conf32678id.services.confioc pid process /etc/32678 726 32678 /etc/id.services.conf 777 id.services.conf /etc/32678 784 32678 /etc/id.services.conf 785 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.
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Enumerates running processes
Discovers information about currently running processes on the system
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Changes its process name 1 IoCs
Processes:
85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elfdescription ioc pid process Changes the process name, possibly in an attempt to hide itself ksoftirqd/0 721 85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.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 15 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
Processes:
systemctlsystemctlsystemctlsystemctlid.services.confid.services.confsystemctlsystemctlsystemctlsystemctlsystemctlsystemctl85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elf85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elfsystemctldescription 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/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 85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elf File opened for reading /sys/kernel/mm/transparent_hugepage/hpage_pmd_size 85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elf File opened for reading /sys/fs/kdbus/0-system/bus systemctl -
Processes:
pkillsystemctlsystemctlsystemctlsedsystemctlsystemctlsystemctlsystemctlsystemctlmountsystemctldescription ioc process File opened for reading /proc/4/status pkill File opened for reading /proc/9/status pkill File opened for reading /proc/19/status pkill File opened for reading /proc/21/status pkill File opened for reading /proc/69/status pkill File opened for reading /proc/147/status pkill File opened for reading /proc/cmdline systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/714/status pkill File opened for reading /proc/760/cmdline pkill File opened for reading /proc/10/status pkill File opened for reading /proc/16/status pkill File opened for reading /proc/72/status pkill File opened for reading /proc/73/status pkill File opened for reading /proc/319/status pkill File opened for reading /proc/filesystems systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/4/cmdline pkill File opened for reading /proc/14/status pkill File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/9/cmdline pkill File opened for reading /proc/23/cmdline pkill File opened for reading /proc/701/status pkill File opened for reading /proc/3/cmdline pkill File opened for reading /proc/8/status pkill File opened for reading /proc/7/status pkill File opened for reading /proc/11/status pkill File opened for reading /proc/11/cmdline pkill File opened for reading /proc/filesystems systemctl File opened for reading /proc/cmdline systemctl File opened for reading /proc/sys/kernel/osrelease pkill File opened for reading /proc/12/status pkill File opened for reading /proc/36/cmdline pkill File opened for reading /proc/78/status pkill File opened for reading /proc/726/cmdline pkill File opened for reading /proc/1/environ systemctl File opened for reading /proc/filesystems systemctl File opened for reading /proc/10/cmdline pkill File opened for reading /proc/22/status pkill File opened for reading /proc/74/cmdline pkill File opened for reading /proc/538/cmdline pkill File opened for reading /proc/539/status pkill File opened for reading /proc/filesystems mount File opened for reading /proc/cmdline systemctl File opened for reading /proc/316/cmdline pkill File opened for reading /proc/374/cmdline pkill File opened for reading /proc/389/cmdline pkill File opened for reading /proc/filesystems systemctl File opened for reading /proc/self/stat systemctl File opened for reading /proc/5/status pkill File opened for reading /proc/781/cmdline pkill File opened for reading /proc/cmdline systemctl File opened for reading /proc/19/cmdline pkill File opened for reading /proc/141/status pkill File opened for reading /proc/103/status pkill File opened for reading /proc/self/stat systemctl File opened for reading /proc/1/environ systemctl File opened for reading /proc/17/cmdline pkill File opened for reading /proc/74/status pkill File opened for reading /proc/382/cmdline pkill File opened for reading /proc/538/status pkill File opened for reading /proc/703/status pkill -
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
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/tmp/85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elf/tmp/85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elf1⤵
- Enumerates kernel/hardware configuration
PID:704 -
/bin/shsh -c "/etc/32678&"2⤵PID:719
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/usr/sbin/serviceservice crond start2⤵PID:720
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/usr/bin/basenamebasename /usr/sbin/service3⤵PID:727
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/usr/bin/basenamebasename /usr/sbin/service3⤵PID:735
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/bin/systemctlsystemctl --quiet is-active multi-user.target3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:737
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/bin/systemctlsystemctl list-unit-files --full "--type=socket"3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:742
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/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"3⤵PID:743
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/tmp/85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elf/tmp/85c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e.elf " "2⤵
- Changes its process name
- Enumerates kernel/hardware configuration
PID:721 -
/usr/sbin/update-rc.dupdate-rc.d linux_kill defaults3⤵PID:732
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/usr/local/sbin/systemctlsystemctl daemon-reload4⤵PID:749
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/usr/local/bin/systemctlsystemctl daemon-reload4⤵PID:749
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/usr/sbin/systemctlsystemctl daemon-reload4⤵PID:749
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/usr/bin/systemctlsystemctl daemon-reload4⤵PID:749
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/sbin/systemctlsystemctl daemon-reload4⤵PID:749
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/bin/systemctlsystemctl daemon-reload4⤵
- Enumerates kernel/hardware configuration
PID:749
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/bin/bashbash -c "echo \"*/1 * * * * root /.img \" >> /etc/crontab"3⤵
- Creates/modifies Cron job
PID:755
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/usr/bin/renicerenice -20 7213⤵PID:761
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/bin/mountmount -o bind /tmp/ /proc/7213⤵
- Reads runtime system information
PID:762
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/usr/sbin/serviceservice cron start3⤵PID:763
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:764
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:765
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/bin/systemctlsystemctl --quiet is-active multi-user.target4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:766
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/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:768
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/bin/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵PID:769
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/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:763
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/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:763
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/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:763
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/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:763
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/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵PID:763
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/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start cron.service3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:763
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/bin/systemctlsystemctl start crond.service3⤵
- Enumerates kernel/hardware configuration
PID:770
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/etc/32678/etc/326781⤵
- Executes dropped EXE
PID:726 -
/bin/sleepsleep 602⤵PID:734
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/etc/id.services.conf/etc/id.services.conf2⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:777 -
/usr/bin/pkillpkill -9 326783⤵
- Reads CPU attributes
- Reads runtime system information
PID:781
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/bin/shsh -c "/etc/32678&"3⤵PID:782
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/usr/sbin/serviceservice crond start3⤵PID:783
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:786
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/usr/bin/basenamebasename /usr/sbin/service4⤵PID:791
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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/sedsed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"4⤵
- Reads runtime system information
PID:798
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/bin/systemctlsystemctl list-unit-files --full "--type=socket"4⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:797
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/etc/id.services.conf/etc/id.services.conf " "3⤵
- Executes dropped EXE
- Enumerates kernel/hardware configuration
PID:785
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/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:720
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/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:720
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/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:720
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/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:720
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/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:720
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/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:720
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/etc/32678/etc/326781⤵
- Executes dropped EXE
PID:784 -
/bin/sleepsleep 602⤵PID:787
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/usr/local/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:783
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/usr/local/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:783
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/usr/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:783
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/usr/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:783
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/sbin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵PID:783
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/bin/systemctlsystemctl "--job-mode=ignore-dependencies" start crond.service1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:783
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
33B
MD5d73d3376908ea075a939e3871ad0fabe
SHA1320ff65831247ba199515f1b94df26cc8a3e5f76
SHA256edbdabe30d8236a2c0a4eb89dfd597552130e4c1a4e93f8fe1568920442ad73a
SHA51257b83fef88620598beb5d65626bf757d0abef242d2d6a01796a61474dedc5095a4a9d0f292b6abb450cad3d4410ab8456253600f58ddb66cfe6d79e1c8415536
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Filesize
61B
MD5768eaf287796da19e1cf5e0b2fb1b161
SHA16a1ce2ee5ccc86d1f33806feb14547b35290df2a
SHA2561d22620dfb2a6715e5d745aed5cf841ede0e75e1747f12b9b925a2d346bc7ecb
SHA512e6af30c9df4f7f47696069511e64ecbc8e841629d692ee4056503df3533fb7a7a74960698826260355e1dba7b6c562482a27a39bb51a4237473ce4b68472d620
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Filesize
5.6MB
MD517fac7ffcec5df4d624a5e46c3ce97d1
SHA121c0af1bd2753963f2444b999d646a7ed6f02033
SHA25685c0c57eed2a9c08b00919203227ba566a1239457b2edf88ea83d82b4b5e551e
SHA51290026422a550a6f10b6a0b8dac521a2ce4a0f9575f5c177ebf70d71ad1a815aa0aebada2e188207b8dfb6ba10597c4d59c4ff037e7b766bb55144b9a0413bcde
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Filesize
189B
MD53909975f7cc0d1121c1819b800069f31
SHA13e68de708c2e6c40fab6794afdee3104e5590189
SHA2566876dac71f13a068afb863d257134275f2edba43b2acaf4924fabf97c079070b
SHA51250600cceeb03b05f45ae61d890caee9f51ff390b6776930866e527e071d65d08241fc66673fd9b99d62fbc77d3c00fc3de4d7378cbc42f5daba5d83072b0906e
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Filesize
37B
MD5cfb4e51061485fe91169381fbdc1538e
SHA19a85b9b766a15b01737a41d680e4593b7a9bde87
SHA256897f37267d0ceaa2fbdaa09847f5d08e6f8b01a0348a0d666264b0f10acd0c90
SHA512fb154ec711d2090a7461da4db8ddad2b522649a27e74162ecb203f539b1729430288bc02d78d2071bde9c4bbc005693403a57612ef50277d52f816cb94524216