MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b864c427381ffb345f61a9e5b7aff2c30fcfac420a14d7ae0de5567f60f2d5d4. 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: b864c427381ffb345f61a9e5b7aff2c30fcfac420a14d7ae0de5567f60f2d5d4
SHA3-384 hash: f6cbbc189490a736a568f438a5c73b15ef6756e3c2eda04565e712db41b8f5d610489cced9744ded31940268542a851f
SHA1 hash: 2fb1b08b06692c9d3a818c0b597e2fb87c5d339e
MD5 hash: 6baff5e3ee01b750078956dffd9eb928
humanhash: sweet-hawaii-floor-gee
File name:linux_mips
Download: download sample
Signature Kaiji
Create hunting rule
File size:5'898'240 bytes
First seen:2025-10-13 05:13:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:H2EpH9kX4nazMqH5Erob6XMv7fn3FuL9idt42uXYfTYetBDa9zrHAMntHsLFnoeF:WEiAQAMZudhDM
TLSH T14E5627037E18D71EC62922305DB2CAD4672A3C8546DB9613B391F31EB8F11AC696EDF1
telfhash t1d1c08c458b20229c7d812dd29e8cf53374e8f563097a109cfe7a9083893c4b3a20c92c
gimphash d32a616709154d99f5f34672a5e693bcff5dc106b2584b8d6f593ff16d689453
Magika elf
Reporter abuse_ch
Tags:elf kaiji

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30444.LC.UNOFFICIAL
Create hunting rule

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

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

Unix.Malware.Reverseshell-10003613-0
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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Manages services
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Launching a process
Connection attempt
Sets a file as executable
Locks files
Creating a process from a recently created file
DNS request
Writes files to system subdirectory
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
crypto expand golang lolbin
Link:
https://www.filescan.io/uploads/68ec8aaffe81c560ba57ba14/reports/f127fff6-3954-4995-a18b-39ebee0fc44c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
14
Number of processes launched:
14
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b864c427381ffb345f61a9e5b7aff2c30fcfac420a14d7ae0de5567f60f2d5d4
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-13T03:24:00Z UTC
Last seen:
2025-10-13T03:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b864c427381ffb345f61a9e5b7aff2c30fcfac420a14d7ae0de5567f60f2d5d4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/eee3d130-42c1-43ee-8348-22619428071c
Behavior Graph:
Download SVG
%3
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d17847c7-ec3e-4ee7-aa7a-07cfd9a4c53c
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1793725
Signature
Multi AV Scanner detection for submitted file
Yara detected Chaos
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b864c427381ffb345f61a9e5b7aff2c30fcfac420a14d7ae0de5567f60f2d5d4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b864c427381ffb345f61a9e5b7aff2c30fcfac420a14d7ae0de5567f60f2d5d4/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-10-13 05:16:09 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbsmijzyd75tix3bvhs3pl7symh47lccbiknplqn4vlh6yhs2xka._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251013-fw8ymaav6e/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads CPU attributes
Creates/modifies Cron job
Enumerates running processes
Executes dropped EXE
Kaiji
Kaiji family
kaiji_chaosbot
Verdict:
Malicious
Tags:
trojan kaiji chaos Unix.Malware.Kaiji-10002376-0
YARA:
ELF_Kaiji_Chaos_April_2024
Link:
https://app.threat.zone/submission/477a5221-4e13-4629-862c-74316ff7d461
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/b864c427381ffb345f61a9e5b7aff2c30fcfac420a14d7ae0de5567f60f2d5d4

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: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 b864c427381ffb345f61a9e5b7aff2c30fcfac420a14d7ae0de5567f60f2d5d4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581025/
  
Delivery method
Distributed via web download

Comments