MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec261047881518e03fce16cdef5db214d0e55d1a4dfbe03f8af2ec82b6e733d4. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec261047881518e03fce16cdef5db214d0e55d1a4dfbe03f8af2ec82b6e733d4
SHA3-384 hash: 9b2ef1616405350caafacb80d63cb48007894905ee9eaa3fc9f3fd368abf1e6a15fea25a3091254b17114f79f3eb7726
SHA1 hash: d6892ffedbfc9872a68858439d464dc8f9003c6c
MD5 hash: b54b06c4ef69c528e7ed9b772a348a7e
humanhash: wisconsin-emma-bulldog-nuts
File name:linux_ppc64el
Download: download sample
Signature Kaiji
Create hunting rule
File size:5'111'808 bytes
First seen:2025-10-14 10:20:46 UTC
Last seen:2025-10-14 13:16:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:i2LzgioAq4P670Og/d6I+eFRgjpmbLQYLy28ontKyB1:nLzgioh4P670Og/d6I+wgjpaLy4
TLSH T13A363942B7086FA9CA60493385B38ED117727D996F315343AB14FABEA8B63054F15FC8
gimphash 211db7a0239e5fc99a6586de3a048800db896d42ff8d6ab26954b5ef47fc9ac0
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 :
84
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.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
DNS request
Locks files
Changes the time when the file was created, accessed, or modified
Receives data from a server
Creating a file
Connection attempt
Sets a written file as executable
Manages services
Launching a process
Sends data to a server
Creating a process from a recently created file
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
crypto golang
Link:
https://www.filescan.io/uploads/68ee240c71883144ef36206e/reports/44e6cfeb-a846-48c9-a22b-ea7c2fb07685/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-14T08:12:00Z UTC
Last seen:
2025-10-14T10:35:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ec261047881518e03fce16cdef5db214d0e55d1a4dfbe03f8af2ec82b6e733d4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8e8b31e1-5eba-4d94-ad61-616a0a54c6e5
Behavior Graph:
Download SVG
%3 guuid=9591cd1a-1900-0000-e9ff-0e62aa120000 pid=4778 /usr/bin/sudo guuid=e4fadc1c-1900-0000-e9ff-0e62b2120000 pid=4786 /tmp/sample.bin guuid=9591cd1a-1900-0000-e9ff-0e62aa120000 pid=4778->guuid=e4fadc1c-1900-0000-e9ff-0e62b2120000 pid=4786 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/850670c9-6923-4ab0-91ae-15e7af894488
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1794698
Signature
Drops files in suspicious directories
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Writes identical ELF files to multiple locations
Yara detected Chaos
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1794698 Sample: linux_ppc64el.elf Startdate: 14/10/2025 Architecture: LINUX Score: 68 114 154.201.82.47, 50950, 50954, 50958 PEGTECHINCUS Seychelles 2->114 116 109.202.202.202, 80 INIT7CH Switzerland 2->116 118 4 other IPs or domains 2->118 120 Yara detected Chaos 2->120 12 linux_ppc64el.elf 2->12         started        16 systemd System.img.config 2->16         started        18 systemd snapd-env-generator 2->18         started        20 4 other processes 2->20 signatures3 process4 file5 110 /etc/id.services.conf, ELF 12->110 dropped 112 /etc/32678, POSIX 12->112 dropped 132 Sample tries to set files in /etc globally writable 12->132 134 Writes identical ELF files to multiple locations 12->134 22 linux_ppc64el.elf linux_ppc64el.elf 12->22         started        26 linux_ppc64el.elf bash 12->26         started        28 linux_ppc64el.elf service systemctl 12->28         started        30 System.img.config service systemctl 16->30         started        32 System.img.config sh 16->32         started        34 System.img.config pkill 16->34         started        36 System.img.config System.img.config 16->36         started        signatures6 process7 file8 100 /usr/lib/system-monitor, ELF 22->100 dropped 102 /usr/lib/libdlrpcld.so, ELF 22->102 dropped 104 /usr/bin/ss, ELF 22->104 dropped 106 7 other files (6 malicious) 22->106 dropped 122 Sample tries to set files in /etc globally writable 22->122 124 Writes identical ELF files to multiple locations 22->124 126 Sample tries to persist itself using /etc/profile 22->126 128 Drops files in suspicious directories 22->128 38 linux_ppc64el.elf bash 22->38         started        42 linux_ppc64el.elf bash 22->42         started        52 2 other processes 22->52 44 bash 32678 26->44         started        46 service 28->46         started        54 3 other processes 28->54 48 service 30->48         started        56 3 other processes 30->56 50 sh 32678 32->50         started        signatures9 process10 file11 108 /etc/crontab, ASCII 38->108 dropped 130 Sample tries to persist itself using cron 38->130 70 4 other processes 42->70 58 32678 id.services.conf 44->58         started        60 32678 sleep 44->60         started        62 service systemctl 46->62         started        64 service sed 46->64         started        72 2 other processes 48->72 66 32678 sleep 50->66         started        68 update-rc.d systemctl 52->68         started        74 3 other processes 52->74 signatures12 process13 process14 76 id.services.conf service systemctl 58->76         started        78 id.services.conf bash 58->78         started        80 id.services.conf pkill 58->80         started        82 id.services.conf id.services.conf 58->82         started        process15 84 service 76->84         started        86 service basename 76->86         started        88 service basename 76->88         started        90 service systemctl 76->90         started        92 bash 32678 78->92         started        process16 94 service systemctl 84->94         started        96 service sed 84->96         started        98 32678 sleep 92->98         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ec261047881518e03fce16cdef5db214d0e55d1a4dfbe03f8af2ec82b6e733d4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec261047881518e03fce16cdef5db214d0e55d1a4dfbe03f8af2ec82b6e733d4/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 10:21:39 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5qtbar4icumoap6oc3g66xnsctiokxi2jx56ap4k6lwifnxhgpka._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji linux
Link:
https://tria.ge/reports/251014-mdkxeafv6d/
Verdict:
Malicious
Tags:
trojan kaiji chaos Unix.Malware.Kaiji-10002376-0
YARA:
ELF_Kaiji_Chaos_April_2024
Link:
https://app.threat.zone/submission/097aa70f-11d2-49d7-8c2b-cfaba5f4ba4c
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/ec261047881518e03fce16cdef5db214d0e55d1a4dfbe03f8af2ec82b6e733d4

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: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 ec261047881518e03fce16cdef5db214d0e55d1a4dfbe03f8af2ec82b6e733d4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581027/
  
Delivery method
Distributed via web download

Comments