MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6432d24da1628af074c893b16422f3a6cdbc588de18cabba964e2b7f7704c34. 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: 7


Intelligence 7 IOCs YARA 21 File information Comments
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SHA256 hash: a6432d24da1628af074c893b16422f3a6cdbc588de18cabba964e2b7f7704c34
SHA3-384 hash: 02bdecc6dad128dfb7f00f4b8026e6407f8881f4301367557a8e0120fe7943ad6dfddded6aeb885404e9e06bf9c0fe98
SHA1 hash: 8d6ac1ef92233f34b89de402ad177c4ff847126b
MD5 hash: a7a8ce6e5c1c55280e14cbf2453a6eb5
humanhash: oregon-red-fourteen-island
File name:linux_mipsel
Download: download sample
Signature Kaiji
Create hunting rule
File size:5'898'240 bytes
First seen:2026-02-01 20:23:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 98304:yC91hAFxvW6WGVqq7g3JDCg76dAuE8iW5ay5mIOX+aaNcc8pNkxXkz8xBs3K4HUY:yC91hAFxvW6WGVqq7g3JDCg76dAuE8iP
TLSH T1FB56E704ADC56BA6C06C9B7584EBCE9523B06D044AF12B271664FEDAB8762747F07CCC
gimphash d32a616709154d99f5f34672a5e693bcff5dc106b2584b8d6f593ff16d689453
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 :
81
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Detection(s):
Sanesecurity.Malware.30444.LC.UNOFFICIAL
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Unix.Malware.Kaiji-10002376-0
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Unix.Malware.Kaiji-10003612-0
Create hunting rule

Unix.Malware.Kaiji-10025522-0
Create hunting rule

Unix.Malware.Kaiji-10028086-0
Create hunting rule

Unix.Malware.Kaiji-10028719-0
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a6432d24da1628af074c893b16422f3a6cdbc588de18cabba964e2b7f7704c34
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8ea42733-d361-4c1d-afb7-1796fb5d1786
Behavior Graph:
Download SVG
%3 guuid=67f4f34b-1a00-0000-1df0-19d75b0b0000 pid=2907 /usr/bin/sudo guuid=62c8bb4d-1a00-0000-1df0-19d7620b0000 pid=2914 /tmp/sample.bin guuid=67f4f34b-1a00-0000-1df0-19d75b0b0000 pid=2907->guuid=62c8bb4d-1a00-0000-1df0-19d7620b0000 pid=2914 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6fe1255a-6716-4469-bcb0-f57169d724b5
Result
Threat name:
Chaos
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Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1861296
Signature
Multi AV Scanner detection for submitted file
Yara detected Chaos
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1861296 Sample: linux_mipsel.elf Startdate: 01/02/2026 Architecture: LINUX Score: 56 18 Multi AV Scanner detection for submitted file 2->18 20 Yara detected Chaos 2->20 6 sshd sshd 2->6         started        8 sshd sshd 2->8         started        10 sshd sshd 2->10         started        12 linux_mipsel.elf 2->12         started        process3 process4 14 sshd 6->14         started        16 sshd 8->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a6432d24da1628af074c893b16422f3a6cdbc588de18cabba964e2b7f7704c34
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6432d24da1628af074c893b16422f3a6cdbc588de18cabba964e2b7f7704c34/
Threat name:
Linux.Trojan.Kaiji
Create hunting rule
Status:
Malicious
First seen:
2026-02-01 20:25:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzbs2jg2cyuk6b2mre5rmqrphjwnxrmi3ymmvo5jmtrlp53qjq2a._file
Result
Malware family:
kaiji
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Score:
  10/10
Tags:
family:kaiji defense_evasion discovery persistence privilege_escalation
Link:
https://tria.ge/reports/260201-y62w6se16h/
Behaviour
GoLang User-Agent
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Modifies init.d
Modifies systemd
Executes dropped EXE
Modifies Watchdog functionality
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/a6432d24da1628af074c893b16422f3a6cdbc588de18cabba964e2b7f7704c34

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
Create hunting rule
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
Create hunting rule
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:NET
Create hunting rule
Author:malware-lu
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: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: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 a6432d24da1628af074c893b16422f3a6cdbc588de18cabba964e2b7f7704c34

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3767528/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3767572/
  
URLhaus
https://urlhaus.abuse.ch/url/3767591/
  
URLhaus
https://urlhaus.abuse.ch/url/3767619/
  
URLhaus
https://urlhaus.abuse.ch/url/3768252/
  
URLhaus
https://urlhaus.abuse.ch/url/3769771/
  
URLhaus
https://urlhaus.abuse.ch/url/3767751/
  
URLhaus
https://urlhaus.abuse.ch/url/3767790/
  
URLhaus
https://urlhaus.abuse.ch/url/3769978/
  
URLhaus
https://urlhaus.abuse.ch/url/3768188/
  
URLhaus
https://urlhaus.abuse.ch/url/3770006/
  
URLhaus
https://urlhaus.abuse.ch/url/3768458/

Comments