MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db8291da269852cb1bec2e49804d00885d576d322c8fd073917702d53bb265c2. 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: db8291da269852cb1bec2e49804d00885d576d322c8fd073917702d53bb265c2
SHA3-384 hash: 263e6e5fcf2527108e25c81358d1b1f2a8b961025c0126f14b066646be5def8c8921082e567d485dbceb4d4635233cff
SHA1 hash: c9f1578ace472b94fc627d32737b2cabaf6ac148
MD5 hash: 59e23d6f1744fe098124864c42cf20b3
humanhash: double-stream-golf-carbon
File name:x86_64.uhavenobotsxddd
Download: download sample
Signature Mirai
Create hunting rule
File size:95'888 bytes
First seen:2026-01-03 16:59:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Hem1Vy0ZTb8M3VTAqbHQd5qKV51JXNIkCvba5sk4BdYB3tzTb:HNfZhFAqbwd5qu1JXGVba5sbUB3tzT
TLSH T1AD937E02BAC0D8FCC859C278929FB276D962F42D1235725B53D0FE167D9EE113B2E291
telfhash t1ab3135b53c99254851ebbab6f30bf2a5ed3319601de131b2ae3768f2cf597144d22812
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 :
41
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Deletes a file
Changes the time when the file was created, accessed, or modified
Receives data from a server
Sets a written file as executable
Changes access rights for a written file
Attempts to kill processes by name
Connection attempt
Runs as daemon
Kills processes
Opens a port
Launching a process
Sends data to a server
Creating a process from a recently created file
Creating a file
Deleting a recently created file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/69594b37127d6a14e0ce5336/reports/72c2d5aa-2750-467c-b7ca-3ea535fdab61/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-03T00:07:00Z UTC
Last seen:
2026-01-04T01:46:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/db8291da269852cb1bec2e49804d00885d576d322c8fd073917702d53bb265c2/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2562b535-6a2f-45bb-a217-626cc6ef4de5
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1844231
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Terminates several processes with shell command 'killall'
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1844231 Sample: x86_64.uhavenobotsxddd.elf Startdate: 03/01/2026 Architecture: LINUX Score: 100 95 Malicious sample detected (through community Yara rule) 2->95 97 Multi AV Scanner detection for submitted file 2->97 10 x86_64.uhavenobotsxddd.elf 2->10         started        process3 signatures4 121 Sample tries to kill multiple processes (SIGKILL) 10->121 123 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->123 13 x86_64.uhavenobotsxddd.elf 10->13         started        process5 file6 87 /var/spool/cron/root, ASCII 13->87 dropped 89 /var/spool/cron/crontabs/root, ASCII 13->89 dropped 91 /root/.bashrc, ASCII 13->91 dropped 93 11 other files (10 malicious) 13->93 dropped 125 Sample tries to set files in /etc globally writable 13->125 127 Sample tries to persist itself using /etc/profile 13->127 129 Drops files in suspicious directories 13->129 131 4 other signatures 13->131 17 x86_64.uhavenobotsxddd.elf sh 13->17         started        19 x86_64.uhavenobotsxddd.elf sh 13->19         started        21 x86_64.uhavenobotsxddd.elf sh 13->21         started        23 80 other processes 13->23 signatures7 process8 signatures9 26 sh S99backup0 17->26         started        28 sh S99backup1 19->28         started        30 sh S99backup2 21->30         started        117 Sample tries to kill a massive number of system processes 23->117 119 Sample tries to kill multiple processes (SIGKILL) 23->119 32 sh S99network 23->32         started        34 sh cp 23->34         started        38 sh crontab 23->38         started        40 70 other processes 23->40 process10 file11 42 S99backup0 26->42         started        44 S99backup1 28->44         started        46 S99backup2 30->46         started        48 S99network 32->48         started        77 /usr/bin/.update, ELF 34->77 dropped 101 Writes identical ELF files to multiple locations 34->101 103 Drops invisible ELF files 34->103 105 Drops files in suspicious directories 34->105 79 /var/spool/cron/crontabs/tmp.XeBR6X, ASCII 38->79 dropped 107 Sample tries to persist itself using cron 38->107 109 Executes the "crontab" command typically for achieving persistence 38->109 81 /var/log/.update, ELF 40->81 dropped 83 /var/jbx/shared/.update, ELF 40->83 dropped 85 /boot/.update, ELF 40->85 dropped 111 Sample tries to kill multiple processes (SIGKILL) 40->111 113 Sample deletes itself 40->113 115 Terminates several processes with shell command 'killall' 40->115 50 sh crontab 40->50         started        53 .monitor 40->53         started        55 sh .update 40->55         started        57 2 other processes 40->57 signatures12 process13 signatures14 59 S99backup0 .update 42->59         started        67 107 other processes 42->67 61 S99backup1 .update 44->61         started        69 105 other processes 44->69 63 S99backup2 .update 46->63         started        71 105 other processes 46->71 65 S99network .update 48->65         started        73 101 other processes 48->73 99 Executes the "crontab" command typically for achieving persistence 50->99 75 2 other processes 53->75 process15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/db8291da269852cb1bec2e49804d00885d576d322c8fd073917702d53bb265c2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/db8291da269852cb1bec2e49804d00885d576d322c8fd073917702d53bb265c2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-03 04:51:35 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3objdwrgtbjmwg7mfzeyatiarbovo3jsfsh5a44ro4bnko5smxba._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260103-vjvmssft9a/
Behaviour
Reads runtime system information
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Unexpected DNS network traffic destination
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7640640-0
YARA:
n/a
Link:
https://app.threat.zone/submission/31c8ee0e-b8ed-454f-a0e7-e585faab99e7
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/db8291da2698/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/db8291da269852cb1bec2e49804d00885d576d322c8fd073917702d53bb265c2

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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 db8291da269852cb1bec2e49804d00885d576d322c8fd073917702d53bb265c2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3749655/
  
Delivery method
Distributed via web download

Comments