MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b760ca2501fce0675753455ba5bf36f4518b253ee6617a2b28ad6f9c0adefcf9. 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: 9


Intelligence 9 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b760ca2501fce0675753455ba5bf36f4518b253ee6617a2b28ad6f9c0adefcf9
SHA3-384 hash: adafaa8ed1d39edf5348d843020a133cc092ce908c7ec8ecaa83afa4b3346db423552034d022139cca6adfa624bf22f4
SHA1 hash: 70f1a3f0280080dc7d7413dae8122cc329e6d9e7
MD5 hash: d258da766535ed8ff6cc564600204ebb
humanhash: fanta-seven-blossom-oregon
File name:linux_ppc64
Download: download sample
Signature Kaiji
Create hunting rule
File size:5'242'880 bytes
First seen:2025-09-28 13:49:16 UTC
Last seen:2025-09-29 08:00:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 98304:KFWeDXJLVlv2eKXLJLTHN28g36XwJlETK:KWeDBVV2eKbJfHN2X6X
TLSH T17E365C80BB08D139DA9A0B724973CB6473517D42C1E18A6F7706F76F06B16E66A0FED0
gimphash 20f5ae018ebbf58a2d3041b2c5c0c3b903aa45927fd73f25989399a3bb4035cd
Magika elf
Reporter abuse_ch
Tags:elf kaiji

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30444.LC.UNOFFICIAL
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Unix.Trojan.Kaiji-9975494-0
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Unix.Malware.Kaiji-10002376-0
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Unix.Malware.Kaiji-10003612-0
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Unix.Malware.Kaiji-10025522-0
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Unix.Malware.Kaiji-10028719-0
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Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
golang obfuscated
Link:
https://www.filescan.io/uploads/68d93d9f74e5a2898996d03a/reports/565b092b-f97e-4931-961b-102208414b26/overview
Verdict:
Malicious
File Type:
elf.64.be
First seen:
2025-09-28T11:02:00Z UTC
Last seen:
2025-09-28T11:02:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Chaos.mj
Link:
https://opentip.kaspersky.com/b760ca2501fce0675753455ba5bf36f4518b253ee6617a2b28ad6f9c0adefcf9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/488849a8-3632-458c-ae48-3b0ac76f1c56
Behavior Graph:
Download SVG
%3 guuid=a209723d-1900-0000-127a-f82f770c0000 pid=3191 /usr/bin/sudo guuid=61a6f73f-1900-0000-127a-f82f7b0c0000 pid=3195 /tmp/sample.bin guuid=a209723d-1900-0000-127a-f82f770c0000 pid=3191->guuid=61a6f73f-1900-0000-127a-f82f7b0c0000 pid=3195 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/677bb394-a2f3-42a6-b8a5-4f2a10d0bd0f
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1785507
Signature
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Uses known network protocols on non-standard ports
Writes identical ELF files to multiple locations
Yara detected Chaos
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1785507 Sample: linux_ppc64.elf Startdate: 28/09/2025 Architecture: LINUX Score: 80 116 202.61.139.18, 40740, 42554, 808 TH-AS-APTianhaiInfoTechCN Australia 2->116 118 www.google.com 2->118 120 Multi AV Scanner detection for submitted file 2->120 122 Yara detected Chaos 2->122 124 Uses known network protocols on non-standard ports 2->124 12 linux_ppc64.elf 2->12         started        16 systemd System.img.config 2->16         started        18 sshd sshd 2->18         started        20 4 other processes 2->20 signatures3 process4 file5 112 /etc/id.services.conf, ELF 12->112 dropped 114 /etc/32678, POSIX 12->114 dropped 136 Sample tries to set files in /etc globally writable 12->136 138 Writes identical ELF files to multiple locations 12->138 22 linux_ppc64.elf linux_ppc64.elf 12->22         started        26 linux_ppc64.elf service systemctl 12->26         started        28 linux_ppc64.elf bash 12->28         started        30 System.img.config sh 16->30         started        32 System.img.config service systemctl 16->32         started        34 System.img.config pkill 16->34         started        36 System.img.config System.img.config 16->36         started        38 sshd 18->38         started        signatures6 process7 file8 102 /usr/lib/system-monitor, ELF 22->102 dropped 104 /usr/lib/libdlrpcld.so, ELF 22->104 dropped 106 /etc/profile.d/bash_config.sh, a 22->106 dropped 108 4 other files (3 malicious) 22->108 dropped 126 Sample tries to set files in /etc globally writable 22->126 128 Writes identical ELF files to multiple locations 22->128 130 Sample tries to persist itself using /etc/profile 22->130 132 Drops files in suspicious directories 22->132 40 linux_ppc64.elf bash 22->40         started        44 linux_ppc64.elf bash 22->44         started        54 2 other processes 22->54 46 service 26->46         started        56 3 other processes 26->56 48 bash 32678 28->48         started        50 sh 32678 30->50         started        52 service 32->52         started        58 3 other processes 32->58 signatures9 process10 file11 110 /etc/crontab, ASCII 40->110 dropped 134 Sample tries to persist itself using cron 40->134 72 4 other processes 44->72 60 service systemctl 46->60         started        62 service sed 46->62         started        64 32678 sleep 48->64         started        66 32678 id.services.conf 50->66         started        68 32678 sleep 50->68         started        74 2 other processes 52->74 70 update-rc.d systemctl 54->70         started        76 3 other processes 54->76 signatures12 process13 process14 78 id.services.conf service systemctl 66->78         started        80 id.services.conf sh 66->80         started        82 id.services.conf pkill 66->82         started        84 id.services.conf id.services.conf 66->84         started        process15 86 service 78->86         started        88 service basename 78->88         started        90 service basename 78->90         started        92 service systemctl 78->92         started        94 sh 32678 80->94         started        process16 96 service systemctl 86->96         started        98 service sed 86->98         started        100 32678 sleep 94->100         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b760ca2501fce0675753455ba5bf36f4518b253ee6617a2b28ad6f9c0adefcf9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b760ca2501fce0675753455ba5bf36f4518b253ee6617a2b28ad6f9c0adefcf9/
Threat name:
Linux.Trojan.Kaiji
Create hunting rule
Status:
Malicious
First seen:
2025-09-28 13:57:29 UTC
File Type:
ELF64 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5qmujib7tqgov2tivn2lpzw6riywjj64zqxukzivvxzycw67t4q._file
Result
Malware family:
kaiji
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Score:
  10/10
Tags:
family:kaiji linux
Link:
https://tria.ge/reports/250928-q6kznaxvaw/
Verdict:
Malicious
Tags:
trojan chaos kaiji Unix.Trojan.Kaiji-9975494-0
YARA:
ELF_Kaiji_Chaos_April_2024
Link:
https://app.threat.zone/submission/ba5470fa-270f-4ce4-b890-313f060c2854
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/b760ca2501fce0675753455ba5bf36f4518b253ee6617a2b28ad6f9c0adefcf9

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
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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 b760ca2501fce0675753455ba5bf36f4518b253ee6617a2b28ad6f9c0adefcf9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3633860/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3633965/

Comments