MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcbffd23def39cd876f255bdd22a4aa7725fffb997ff4d0afb2ed47e5734794b. 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: dcbffd23def39cd876f255bdd22a4aa7725fffb997ff4d0afb2ed47e5734794b
SHA3-384 hash: b6d4f54881650b0ee92bbd7dd59b1ddaa82ddbd102d3c448d8f2cbfe0d659611b247e96de84bc7f48401fcbb0d9d0503
SHA1 hash: 7fb26b7c7899dff07c4cc1a7adcaf531c44d2654
MD5 hash: 6ea1b676fa43cef4b4fec206814f4015
humanhash: steak-lima-fillet-cup
File name:linux_ppc64
Download: download sample
Signature Kaiji
Create hunting rule
File size:5'111'808 bytes
First seen:2025-11-13 18:36:49 UTC
Last seen:2025-11-14 15:25:39 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:5AOo2WeAAESgMo5tUBeJAgpnydw+2pL5w1JXyaPYAm7oheFbbkpYqiV:yx2WeAAESl4tUKhpny121yrMkpYqi
TLSH T117365B80BB0CD139EA5A0A3248738F6063617E46C1E48A6B771AF76F05B15F75A0FED4
gimphash 211db7a0239e5fc99a6586de3a048800db896d42ff8d6ab26954b5ef47fc9ac0
Magika elf
Reporter abuse_ch
Tags:elf kaiji

Intelligence

File Origin
# of uploads :
3
# of downloads :
39
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-10028719-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Gathering data
Verdict:
Malicious
File Type:
elf.64.be
First seen:
2025-11-13T15:41:00Z UTC
Last seen:
2025-11-14T10:24:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Chaos.mj
Link:
https://opentip.kaspersky.com/dcbffd23def39cd876f255bdd22a4aa7725fffb997ff4d0afb2ed47e5734794b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b313cb36-5362-4d11-9ba8-ef7d21272ba6
Behavior Graph:
Download SVG
%3 guuid=5aedae4d-1b00-0000-7559-931724070000 pid=1828 /usr/bin/sudo guuid=6a2d9c4f-1b00-0000-7559-931727070000 pid=1831 /tmp/sample.bin guuid=5aedae4d-1b00-0000-7559-931724070000 pid=1828->guuid=6a2d9c4f-1b00-0000-7559-931727070000 pid=1831 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/21eefdd8-8db6-4534-a696-24ae1676ae36
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1813607
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: 1813607 Sample: linux_ppc64.elf Startdate: 13/11/2025 Architecture: LINUX Score: 80 122 www.ldbot.top 192.238.204.149, 1234, 48376, 48382 LEASEWEB-USA-LAX-11US United States 2->122 124 www.google.com 2->124 126 Multi AV Scanner detection for submitted file 2->126 128 Yara detected Chaos 2->128 130 Uses known network protocols on non-standard ports 2->130 12 linux_ppc64.elf 2->12         started        16 systemd System.img.config 2->16         started        18 systemd cron 2->18         started        20 13 other processes 2->20 signatures3 process4 file5 118 /etc/id.services.conf, ELF 12->118 dropped 120 /etc/32678, POSIX 12->120 dropped 142 Sample tries to set files in /etc globally writable 12->142 144 Writes identical ELF files to multiple locations 12->144 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 cron 18->38         started        40 5 other processes 20->40 signatures6 process7 file8 108 /usr/lib/system-monitor, ELF 22->108 dropped 110 /usr/lib/libdlrpcld.so, ELF 22->110 dropped 112 /usr/bin/ss, ELF 22->112 dropped 114 12 other files (11 malicious) 22->114 dropped 132 Sample tries to set files in /etc globally writable 22->132 134 Writes identical ELF files to multiple locations 22->134 136 Sample tries to persist itself using /etc/profile 22->136 138 Drops files in suspicious directories 22->138 42 linux_ppc64.elf bash 22->42         started        46 linux_ppc64.elf service systemctl 22->46         started        48 linux_ppc64.elf bash 22->48         started        56 5 other processes 22->56 58 4 other processes 26->58 50 bash 32678 28->50         started        52 sh 32678 30->52         started        60 4 other processes 32->60 54 cron sh 38->54         started        signatures9 process10 file11 116 /etc/crontab, ASCII 42->116 dropped 140 Sample tries to persist itself using cron 42->140 70 4 other processes 46->70 72 4 other processes 48->72 62 32678 sleep 50->62         started        64 32678 id.services.conf 52->64         started        66 32678 sleep 52->66         started        68 sh 54->68         started        74 4 other processes 56->74 76 2 other processes 58->76 78 2 other processes 60->78 signatures12 process13 process14 80 id.services.conf service systemctl 64->80         started        82 id.services.conf sh 64->82         started        84 id.services.conf pkill 64->84         started        86 id.services.conf id.services.conf 64->86         started        88 service systemctl 70->88         started        90 service sed 70->90         started        process15 92 service 80->92         started        94 service basename 80->94         started        96 service basename 80->96         started        98 service systemctl 80->98         started        100 sh 32678 82->100         started        process16 102 service systemctl 92->102         started        104 service sed 92->104         started        106 32678 sleep 100->106         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/dcbffd23def39cd876f255bdd22a4aa7725fffb997ff4d0afb2ed47e5734794b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dcbffd23def39cd876f255bdd22a4aa7725fffb997ff4d0afb2ed47e5734794b/
Verdict:
Malicious
Threat:
Family.KAIJI
Link:
https://tip.neiki.dev/file/dcbffd23def39cd876f255bdd22a4aa7725fffb997ff4d0afb2ed47e5734794b
Threat name:
Linux.Trojan.Kaiji
Create hunting rule
Status:
Malicious
First seen:
2025-11-13 18:38:04 UTC
File Type:
ELF64 Big (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3s772i666oonq5xskw65eksku5zf775zs77u2cx3f3kh4vzupffq._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji linux
Link:
https://tria.ge/reports/251113-w9w4zszjhs/
Verdict:
Malicious
Tags:
trojan chaos kaiji Unix.Malware.Kaiji-10002376-0
YARA:
ELF_Kaiji_Chaos_April_2024
Link:
https://app.threat.zone/submission/73b98c1f-3cdb-49d7-8716-fcad7751a5d9
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/dcbffd23def39cd876f255bdd22a4aa7725fffb997ff4d0afb2ed47e5734794b

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 dcbffd23def39cd876f255bdd22a4aa7725fffb997ff4d0afb2ed47e5734794b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3704582/
  
Delivery method
Distributed via web download

Comments