MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59d04334276a73bffdc8108362512e816b98991c8f2d66468fb2b7448dd46aa1. 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: 10


Intelligence 10 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59d04334276a73bffdc8108362512e816b98991c8f2d66468fb2b7448dd46aa1
SHA3-384 hash: 70546e3b10deeec1caa82ac01ba7f24f18df160386165151805a485fefb7bcd8a6e920622f2bccf27524171be63e39e6
SHA1 hash: 75ace166deeac05dad30605450f08dba1c9b8bb0
MD5 hash: fe94db05e3d6d495cd602aa4c1d7492d
humanhash: magazine-edward-white-helium
File name:linux_mipsel
Download: download sample
Signature Kaiji
Create hunting rule
File size:6'029'312 bytes
First seen:2025-09-28 13:49:14 UTC
Last seen:2025-09-28 15:22:03 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:X/X9THEQU9zTO5SnZWPfTQoYxvhAiObgyOHd3Q2MMc9j0VF1:/SnZDd
TLSH T1B756F704BC856BA6C42C5B7981EBCAA623B06D140AF15B771264FFD9B8762747F43C8C
gimphash 8c79a97ba015c48d3fe551f55fab6b128642b1eda101e793482aa9334653b862
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 :
2
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30444.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Kaiji-9975494-0
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Unix.Malware.Kaiji-10002376-0
Create hunting rule

Unix.Malware.Kaiji-10003612-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Creating a file
Manages services
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Receives data from a server
Launching a process
Connection attempt
Sets a file as executable
Locks files
Creating a process from a recently created file
Writes files to system subdirectory
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
golang obfuscated
Link:
https://www.filescan.io/uploads/68d93d87c564c8e81d095ace/reports/cbf9c932-5392-4bb4-8b11-3472cd39212a/overview
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/59d04334276a73bffdc8108362512e816b98991c8f2d66468fb2b7448dd46aa1
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-28T11:55:00Z UTC
Last seen:
2025-09-28T11:55:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/59d04334276a73bffdc8108362512e816b98991c8f2d66468fb2b7448dd46aa1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/755efb2f-ff6f-4e37-81ba-c263ccdd80cf
Behavior Graph:
Download SVG
%3 guuid=20e0c1eb-1900-0000-aea2-36e8910a0000 pid=2705 /usr/bin/sudo guuid=491143ee-1900-0000-aea2-36e8970a0000 pid=2711 /tmp/sample.bin guuid=20e0c1eb-1900-0000-aea2-36e8910a0000 pid=2705->guuid=491143ee-1900-0000-aea2-36e8970a0000 pid=2711 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d302a46f-ffb1-4624-8c52-ffaa24f05978
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1785508
Signature
Yara detected Chaos
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1785508 Sample: linux_mipsel.elf Startdate: 28/09/2025 Architecture: LINUX Score: 48 18 Yara detected Chaos 2->18 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/59d04334276a73bffdc8108362512e816b98991c8f2d66468fb2b7448dd46aa1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/59d04334276a73bffdc8108362512e816b98991c8f2d66468fb2b7448dd46aa1/
Threat name:
Linux.Trojan.Kaiji
Create hunting rule
Status:
Malicious
First seen:
2025-09-28 13:54:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lhiegnbhnjz377oiccbweujoqfvzrgi4r4wwmrupwk3ujdounkqq._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji defense_evasion discovery persistence privilege_escalation
Link:
https://tria.ge/reports/250928-q6b2ragp3s/
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
Verdict:
Malicious
Tags:
trojan chaos kaiji Unix.Trojan.Kaiji-9975494-0
YARA:
ELF_Kaiji_Chaos_April_2024
Link:
https://app.threat.zone/submission/2b0e7bb7-aeca-467a-af4a-7ad9b5bf5d81
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/59d04334276a73bffdc8108362512e816b98991c8f2d66468fb2b7448dd46aa1

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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: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: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 59d04334276a73bffdc8108362512e816b98991c8f2d66468fb2b7448dd46aa1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3633859/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3633974/

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