MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de68bd0d3752caf47af6abfaeb4a4621b8fd8f86302fccefa9d3762e7ca984cb. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Kaiji


Vendor detections: 9


Intelligence 9 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de68bd0d3752caf47af6abfaeb4a4621b8fd8f86302fccefa9d3762e7ca984cb
SHA3-384 hash: e76c400ce6daad50b138ab980fa66e1869c620dba1dc5005ee50ed83401e56f174de57b5f21bdce5fe05264da3cef781
SHA1 hash: 5e4c05b6fe93968d55b415ba2f77efc45837c440
MD5 hash: a61970d0610f5e8eacbfe04c3b2c5968
humanhash: high-bulldog-kentucky-red
File name:linux_arm5
Download: download sample
Signature Kaiji
Create hunting rule
File size:2'097'152 bytes
First seen:2026-04-11 18:21:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:J1rMILphWsdRm6vM7lUVJtq8wfe9OqbVgYQ3k48jtIMoG34hJnWVh1BPnjKqZdtX:JVfjm5Mo2T1
TLSH T146A5F857B8918552C4E42637BCBE81C833635EB99B8663666D04FE3C3ABF2D90E35314
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf kaiji

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Malware.Kaiji-9992785-0
Create hunting rule

Unix.Malware.Kaiji-9993888-0
Create hunting rule

Unix.Malware.Kaiji-10000905-0
Create hunting rule

Unix.Malware.Kaiji-10002375-0
Create hunting rule

Unix.Malware.Kaiji-10003730-0
Create hunting rule

Unix.Malware.Kaiji-10003738-0
Create hunting rule

Unix.Malware.Kaiji-10003978-0
Create hunting rule

Unix.Malware.Kaiji-10014302-0
Create hunting rule

Unix.Malware.Kaiji-10017581-0
Create hunting rule

Unix.Malware.Kaiji-10028720-0
Create hunting rule

YARA.RUSSIANPANDA_Kaiji_Ares.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Launching a process
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Sets a file as executable
Receives data from a server
Creating a file
Locks files
Runs as daemon
Connection attempt
Mounts file systems
Manages services
Creating a process from a recently created file
Collects information on the RAM
Creates directories in a system directory
Writes files to system subdirectory
Writes files to system directory
Replaces system binary files
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Performs a bruteforce attack in the network
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-11T15:29:00Z UTC
Last seen:
2026-04-12T09:27:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Agent.ne
Link:
https://opentip.kaspersky.com/de68bd0d3752caf47af6abfaeb4a4621b8fd8f86302fccefa9d3762e7ca984cb/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a55438e5-d3ae-453d-90a2-690de320fba3
Behavior Graph:
Download SVG
%3 guuid=075267fd-2000-0000-8896-598ef30b0000 pid=3059 /usr/bin/sudo guuid=213c5100-2100-0000-8896-598efa0b0000 pid=3066 /tmp/sample.bin guuid=075267fd-2000-0000-8896-598ef30b0000 pid=3059->guuid=213c5100-2100-0000-8896-598efa0b0000 pid=3066 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/684dbd7f-32c0-4395-952f-0f666c56a950
Result
Threat name:
Kaiji
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1896927
Signature
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Yara detected Kaiji
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1896927 Sample: linux_arm5.elf Startdate: 11/04/2026 Architecture: LINUX Score: 80 86 s4.quicklyspeed.com 176.65.149.237, 53538, 8080 PALTEL-ASPALTELAutonomousSystemPS Germany 2->86 88 183.236.97.73, 22 CMNET-GUANGDONG-APChinaMobilecommunicationscorporation China 2->88 90 2 other IPs or domains 2->90 92 Suricata IDS alerts for network traffic 2->92 94 Multi AV Scanner detection for submitted file 2->94 96 Yara detected Kaiji 2->96 10 linux_arm5.elf 2->10         started        12 systemd cron 2->12         started        14 systemd cron 2->14         started        16 5 other processes 2->16 signatures3 process4 process5 18 linux_arm5.elf linux_arm5.elf 10->18         started        22 cron 12->22         started        24 cron 14->24         started        file6 76 /etc/profile.d/gateway.sh, Bourne-Again 18->76 dropped 78 /etc/profile.d/bash_cfg.sh, Bourne-Again 18->78 dropped 80 /etc/init.d/x11-common, POSIX 18->80 dropped 82 44 other files (43 malicious) 18->82 dropped 98 Sample tries to set files in /etc globally writable 18->98 100 Sample tries to persist itself using /etc/profile 18->100 102 Drops files in suspicious directories 18->102 26 linux_arm5.elf bash 18->26         started        30 linux_arm5.elf service systemctl 18->30         started        32 linux_arm5.elf service systemctl 18->32         started        38 6 other processes 18->38 34 cron sh 22->34         started        36 cron sh 24->36         started        signatures7 process8 file9 84 /etc/crontab, ASCII 26->84 dropped 104 Sample tries to persist itself using cron 26->104 40 service 30->40         started        42 service basename 30->42         started        52 2 other processes 30->52 44 service 32->44         started        54 3 other processes 32->54 46 sh .mod 34->46         started        48 sh .mod 36->48         started        50 bash 32676 38->50         started        56 7 other processes 38->56 signatures10 process11 process12 58 service systemctl 40->58         started        60 service sed 40->60         started        62 service systemctl 44->62         started        64 service sed 44->64         started        66 .mod 46->66         started        68 .mod 48->68         started        70 32676 sleep 50->70         started        72 32676 sleep 50->72         started        74 3 other processes 50->74
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/de68bd0d3752caf47af6abfaeb4a4621b8fd8f86302fccefa9d3762e7ca984cb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/de68bd0d3752caf47af6abfaeb4a4621b8fd8f86302fccefa9d3762e7ca984cb/
Verdict:
Malicious
Threat:
Family.KAIJI
Link:
https://tip.neiki.dev/file/de68bd0d3752caf47af6abfaeb4a4621b8fd8f86302fccefa9d3762e7ca984cb
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-04-11 18:22:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3zul2djxklfpi6xwvp5owssgeg4p3d4ggax4z35j2n3c47fjqtfq._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji defense_evasion discovery execution persistence privilege_escalation ransomware
Link:
https://tria.ge/reports/260411-wz2lqaex6l/
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Disables SELinux
Enumerates running processes
Modifies init.d
Modifies systemd
Write file to user bin folder
Executes dropped EXE
Modifies Watchdog functionality
Creates a large amount of network flows
Renames multiple (1004) files with added filename extension
Malware Config
C2 Extraction:
s4.quicklyspeed.com:8080
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/de68bd0d3752caf47af6abfaeb4a4621b8fd8f86302fccefa9d3762e7ca984cb

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:Linux_Generic_Threat_a40aaa96
Create hunting rule
Author:Elastic Security
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Kaiji

elf de68bd0d3752caf47af6abfaeb4a4621b8fd8f86302fccefa9d3762e7ca984cb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3816461/
  
Delivery method
Distributed via web download

Comments