MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08b66af4f458dbce94e740d2366670932a696db18912571223c5c1b3bd2bfd5f. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08b66af4f458dbce94e740d2366670932a696db18912571223c5c1b3bd2bfd5f
SHA3-384 hash: efc846c4e54de729413631e03fbe9fdcba7edbe5467e38f300eae69a3ee7229a5fd1f28d73eb2915464934b42f61c678
SHA1 hash: 89f9052c0cf2ee20c37657d1463cdc0af5a4f286
MD5 hash: bed9c36e41a7e7bd07a74c1e7dd89187
humanhash: network-gee-failed-nuts
File name:linux_mips64_softfloat
Download: download sample
Signature Kaiji
Create hunting rule
File size:5'963'776 bytes
First seen:2025-07-11 06:40:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:XralYsYZ/MjJ7fhH2pCQLg1xbnZdY3MniUj0E/GiV:Xr9lMjJ7fojWjV/P
TLSH T1DF560912BF58ED2FD25421308BB7C23433D53D1482E16533AA56F71E2EBA2B5991BDC8
gimphash 1b609c56b0ebb36513f3d917b8726549e1688926cc8c06385102e07caffa3d74
Magika elf
Reporter abuse_ch
Tags:elf kaiji

Intelligence

File Origin
# of uploads :
1
# of downloads :
14
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30444.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Kaiji-9975495-0
Create hunting rule

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

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

Unix.Malware.Kaiji-10003670-0
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
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6870b229900df8e7f869b823linux22vpnfull_triage
Tags:
ddos
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
golang obfuscated
Link:
https://www.filescan.io/uploads/6870b20e80b46be06e9f6410/reports/f07e79b7-b2eb-4e5e-be51-3f51240aaa2c/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/08b66af4f458dbce94e740d2366670932a696db18912571223c5c1b3bd2bfd5f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/48b0af27-8c4d-4743-912c-a0bef37a22f3
Behavior Graph:
Download SVG
%3 guuid=06720e80-1b00-0000-35e2-3d0a480c0000 pid=3144 /usr/bin/sudo guuid=b2d95f82-1b00-0000-35e2-3d0a4f0c0000 pid=3151 /tmp/sample.bin guuid=06720e80-1b00-0000-35e2-3d0a480c0000 pid=3144->guuid=b2d95f82-1b00-0000-35e2-3d0a4f0c0000 pid=3151 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/51c23475-2ba8-4ea6-b0d8-d38a781004c8
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1733423
Signature
Multi AV Scanner detection for submitted file
Yara detected Chaos
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1733423 Sample: linux_mips64_softfloat.elf Startdate: 11/07/2025 Architecture: LINUX Score: 56 19 109.202.202.202, 80 INIT7CH Switzerland 2->19 21 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->21 23 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Yara detected Chaos 2->27 7 sshd sshd 2->7         started        9 sshd sshd 2->9         started        11 sshd sshd 2->11         started        13 linux_mips64_softfloat.elf 2->13         started        signatures3 process4 process5 15 sshd 7->15         started        17 sshd 9->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/08b66af4f458dbce94e740d2366670932a696db18912571223c5c1b3bd2bfd5f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/08b66af4f458dbce94e740d2366670932a696db18912571223c5c1b3bd2bfd5f/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 06:41:28 UTC
File Type:
ELF64 Big (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bc3gv5huldn45fhhidjdmztqsmvgs3nrrejfoerdyxa3hpjl7vpq._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji discovery
Link:
https://tria.ge/reports/250711-hfwz8stpv9/
Behaviour
System Network Configuration Discovery
Verdict:
Malicious
Tags:
trojan kaiji chaos Unix.Trojan.Kaiji-9975495-0
YARA:
ELF_Kaiji_Chaos_April_2024
Link:
https://app.threat.zone/submission/d07b5569-39e6-4f0b-a3ea-ebac7c142ae2
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/08b66af4f458dbce94e740d2366670932a696db18912571223c5c1b3bd2bfd5f

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: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 08b66af4f458dbce94e740d2366670932a696db18912571223c5c1b3bd2bfd5f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581010/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3581028/
  
URLhaus
https://urlhaus.abuse.ch/url/3581030/
  
URLhaus
https://urlhaus.abuse.ch/url/3581031/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments