MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab70f3f621061e483523dcd7a565a50dd0136f83628a5eec82da8d37b9086ddc. 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: 8


Intelligence 8 IOCs YARA 27 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab70f3f621061e483523dcd7a565a50dd0136f83628a5eec82da8d37b9086ddc
SHA3-384 hash: f05c0ffb8f8893480851cd644d7ae04314dd1e3aede8ddb48aa98f4df9f28e42cc3c1d77b292150f3a3e5c9366ebf0d7
SHA1 hash: 0c20187afb0c7f552608613b5fa596bca9408f6a
MD5 hash: 277eb1faafab15086e1035dea8c4758b
humanhash: pip-lake-lake-twelve
File name:linux_arm5
Download: download sample
Signature Kaiji
Create hunting rule
File size:5'308'416 bytes
First seen:2026-06-15 07:08:26 UTC
Last seen:2026-06-15 18:14:52 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:iAJHlo0M8+mjX0qvauLXjT0EdLKeHg2kCvGo9GLGi2fzujpk8POsOalQH0ScoF98:T+oh3rwGFH9krBa0t/LjI9kyuVI1
TLSH T1F8364B97B8964682C4E4367ABCBD81D533A30EB9AB9712576D04FE3C3EBE1950E35310
telfhash t1e6d0125bae8e17ac7ba1c54c1148428c44d938e0149102ec9f59671bee03e30b1de43a
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 BlinkzSec
Tags:kaiji

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
TR TR
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Malware.Kaiji-10003730-0
Create hunting rule

Unix.Malware.Kaiji-10003917-0
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Unix.Malware.Kaiji-10014826-0
Create hunting rule

Unix.Malware.Kaiji-10025523-0
Create hunting rule

Unix.Malware.Kaiji-10028246-0
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YARA.RUSSIANPANDA_Kaiji_Ares.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Mounts file systems
Connection attempt
Creates directories in a system directory
Collects information on the RAM
Locks files
Receives data from a server
Changes the time when the file was created, accessed, or modified
Sets a file as executable
Runs as daemon
Sets a written file as executable
Manages services
Creating a file
Sends data to a server
Launching a process
Creating a process from a recently created file
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Writes files to system subdirectory
Replaces system binary files
Creates or modifies files to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-15T04:24:00Z UTC
Last seen:
2026-06-16T23:25:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Agent.ne
Link:
https://opentip.kaspersky.com/ab70f3f621061e483523dcd7a565a50dd0136f83628a5eec82da8d37b9086ddc/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0bbe57f1-f1b3-4e55-9f60-f3d662c1c841
Behavior Graph:
Download SVG
%3 guuid=48bf5c38-1b00-0000-fcd2-776d2a0b0000 pid=2858 /usr/bin/sudo guuid=bb15083b-1b00-0000-fcd2-776d310b0000 pid=2865 /tmp/sample.bin guuid=48bf5c38-1b00-0000-fcd2-776d2a0b0000 pid=2858->guuid=bb15083b-1b00-0000-fcd2-776d310b0000 pid=2865 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/181fb50b-b450-40a0-bad7-e93e93c2b560
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ab70f3f621061e483523dcd7a565a50dd0136f83628a5eec82da8d37b9086ddc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab70f3f621061e483523dcd7a565a50dd0136f83628a5eec82da8d37b9086ddc/
Verdict:
Malicious
Threat:
Family.KAIJI
Link:
https://tip.neiki.dev/file/ab70f3f621061e483523dcd7a565a50dd0136f83628a5eec82da8d37b9086ddc
Threat name:
Linux.Trojan.Kaiji
Create hunting rule
Status:
Malicious
First seen:
2026-06-15 06:48:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vnyph5rbaypeqnjd3tl2kznfbxibg34dmkff53ec3kgtpoiinxoa._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji botnet defense_evasion discovery execution persistence privilege_escalation ransomware
Link:
https://tria.ge/reports/260615-hyj4dshw5v/
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
Renames multiple (1004) files with added filename extension
Malware Config
C2 Extraction:
45.61.187.194:888
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/ab70f3f621061e483523dcd7a565a50dd0136f83628a5eec82da8d37b9086ddc

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:DetectEncryptedVariants
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Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:enterpriseapps2
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Author:Tim Brown @timb_machine
Description:Enterprise apps
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:Linux_Generic_Threat_cd9ce063
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Author:Elastic Security
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
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Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
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 ab70f3f621061e483523dcd7a565a50dd0136f83628a5eec82da8d37b9086ddc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3864773/
  
Delivery method
Distributed via web download

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