MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3b6ee90365faad33eae6054869db4776268b24ce81f022588ec8e009607c13a. 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


Mirai


Vendor detections: 13


Intelligence 13 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3b6ee90365faad33eae6054869db4776268b24ce81f022588ec8e009607c13a
SHA3-384 hash: 51d4dca92cbc8737fc2b84aca4a2692dfcfcd9ff656dc75dbea9295d1b86f8fbbe58e8501311a0c687797d59495429dc
SHA1 hash: 55acc5555599f6cc4d82ca1f829acecc152b56c1
MD5 hash: 0731db9d75ec47b9357f6463a2bdbf97
humanhash: johnny-london-ceiling-magnesium
File name:colonna.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:99'440 bytes
First seen:2025-12-10 01:01:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Odp74tD3SWkTb+Ty4m0sKAPTX471vNZgni1QQ:Od54F3xkTJ70HYGN2i2
TLSH T122A36BC8E6D3E5F5EC530530203AB7379E72E6BA5238EA92C7A85A321D15702C517B9C
telfhash t1be4139fd0a7a1ddc6be09802920e6b11a95ea7bb556432b301739815336fd4241ffd38
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 mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/e732fb10-4962-4eca-9562-5c80dd03e0b6/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Runs as daemon
Manages services
Receives data from a server
Collects information on the OS
Creating a file
Opens a port
Sends data to a server
Launching a process
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6938c6a61eac7b9b76a2a27e/reports/e13ff46d-558d-4b61-8e6d-454b47b060cf/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-09T23:18:00Z UTC
Last seen:
2025-12-10T03:00:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b3b6ee90365faad33eae6054869db4776268b24ce81f022588ec8e009607c13a/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98cb5662-e559-4fca-ab5a-2d08f29e4d12
Result
Threat name:
Gafgyt, Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1829941
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
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 persist itself using System V runlevels
Yara detected Gafgyt
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1829941 Sample: colonna.x86.elf Startdate: 10/12/2025 Architecture: LINUX Score: 100 81 Malicious sample detected (through community Yara rule) 2->81 83 Antivirus detection for dropped file 2->83 85 Antivirus / Scanner detection for submitted sample 2->85 87 4 other signatures 2->87 11 colonna.x86.elf 2->11         started        14 systemd snapd-env-generator 2->14         started        16 systemd snapd-env-generator 2->16         started        18 4 other processes 2->18 process3 signatures4 105 Found strings related to Crypto-Mining 11->105 20 colonna.x86.elf 11->20         started        24 colonna.x86.elf 11->24         started        26 colonna.x86.elf 11->26         started        process5 file6 73 /etc/profile.d/.kworker.sh, ASCII 20->73 dropped 75 /etc/init.d/.kworker, POSIX 20->75 dropped 89 Sample tries to persist itself using /etc/profile 20->89 91 Drops files in suspicious directories 20->91 28 colonna.x86.elf sh 20->28         started        30 colonna.x86.elf sh 20->30         started        32 colonna.x86.elf sh 20->32         started        34 8 other processes 20->34 signatures7 process8 process9 36 sh crontab 28->36         started        40 sh 28->40         started        42 sh cp 30->42         started        44 sh update-rc.d 32->44         started        46 sh systemctl 34->46         started        48 sh systemctl 34->48         started        50 colonna.x86.elf 34->50         started        52 4 other processes 34->52 file10 77 /var/spool/cron/crontabs/tmp.Dcu6wD, ASCII 36->77 dropped 93 Sample tries to persist itself using cron 36->93 95 Executes the "crontab" command typically for achieving persistence 36->95 54 sh crontab 40->54         started        57 sh grep 40->57         started        79 /usr/bin/.kworker, ELF 42->79 dropped 97 Drops invisible ELF files 42->97 99 Drops files in suspicious directories 42->99 101 Sample tries to persist itself using System V runlevels 44->101 59 update-rc.d systemctl 44->59         started        61 systemctl systemd-sysv-install 46->61         started        signatures11 process12 signatures13 103 Executes the "crontab" command typically for achieving persistence 54->103 63 systemd-sysv-install update-rc.d 61->63         started        65 systemd-sysv-install update-rc.d 61->65         started        67 systemd-sysv-install getopt 61->67         started        process14 process15 69 update-rc.d systemctl 63->69         started        71 update-rc.d systemctl 65->71         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3b6ee90365faad33eae6054869db4776268b24ce81f022588ec8e009607c13a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3b6ee90365faad33eae6054869db4776268b24ce81f022588ec8e009607c13a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-10 01:02:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wo3o5ebwl6vngpvombkinhnuo5rgrmsm5apqejmi5shabfqhye5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:colonna botnet defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/251210-bdymqaskft/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/366f0685-41a1-4439-bef3-bc2f51d68c6c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.09
Link:
https://yomi.yoroi.company/submissions/b3b6ee90365faad33eae6054869db4776268b24ce81f022588ec8e009607c13a

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_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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

Mirai

elf b3b6ee90365faad33eae6054869db4776268b24ce81f022588ec8e009607c13a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726914/
  
Delivery method
Distributed via web download

Comments