MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2bde30bd9c006356ffe98004652b3646c5854790e9caa0dca64aecf04a3d040. 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: 11


Intelligence 11 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c2bde30bd9c006356ffe98004652b3646c5854790e9caa0dca64aecf04a3d040
SHA3-384 hash: c259fbcd591d599881b89f31f97af6a9f084c0736c0f93b4ee2e0154f85eda2fef3ab2a68243da33cb4c129495b42e70
SHA1 hash: 283a029e85774b34d076a806380f707e526cc5e2
MD5 hash: 6de2a4398c83f5a60a8a261e14d5f4f3
humanhash: rugby-skylark-connecticut-wisconsin
File name:x86_64.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:165'680 bytes
First seen:2026-01-03 00:45:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Oyl+CKa76Kvs3GpZ0psfKi1yacIO2YR3Y222222222222222M2D22222226222YY:OywkNpv0oNkIWY222222222222222M2C
TLSH T16CF36D06B7C080FFD489C37C82DEA636E8B1B81D1235B65E6790EF157D99E20372D685
telfhash t18d419a382dd2355ca1fbc34ab22df52efc7118519be97524af2ba6d6ee837844c50012
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 :
55
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

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64 fingerprint
Link:
https://www.filescan.io/uploads/695866da127d6a14e0cd77be/reports/ce534c83-51b7-4a16-884f-d1abaadb1b1f/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-02T21:56:00Z UTC
Last seen:
2026-01-04T07:44:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/c2bde30bd9c006356ffe98004652b3646c5854790e9caa0dca64aecf04a3d040/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/00f1f0d6-4ec8-40b9-b058-e46f93fc2a4c
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1843933
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 pipes script to sh (AV evasion)
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: 1843933 Sample: x86_64.uhavenobotsxd.elf Startdate: 03/01/2026 Architecture: LINUX Score: 100 103 Malicious sample detected (through community Yara rule) 2->103 105 Multi AV Scanner detection for submitted file 2->105 107 Sample pipes script to sh (AV evasion) 2->107 10 x86_64.uhavenobotsxd.elf 2->10         started        13 udisksd dumpe2fs 2->13         started        15 udisksd dumpe2fs 2->15         started        17 80 other processes 2->17 process3 signatures4 117 Sample tries to kill multiple processes (SIGKILL) 10->117 119 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->119 19 x86_64.uhavenobotsxd.elf 10->19         started        process5 file6 85 /var/tmp/.monitor, POSIX 19->85 dropped 87 /var/spool/cron/root, ASCII 19->87 dropped 89 /var/spool/cron/crontabs/root, ASCII 19->89 dropped 91 11 other malicious files 19->91 dropped 109 Sample tries to set files in /etc globally writable 19->109 111 Sample tries to persist itself using /etc/profile 19->111 113 Drops files in suspicious directories 19->113 115 3 other signatures 19->115 23 x86_64.uhavenobotsxd.elf sh 19->23         started        25 x86_64.uhavenobotsxd.elf sh 19->25         started        27 x86_64.uhavenobotsxd.elf sh 19->27         started        29 100 other processes 19->29 signatures7 process8 signatures9 32 sh S99backup0 23->32         started        34 sh .monitor 25->34         started        36 sh S99backup1 27->36         started        137 Sample tries to kill a massive number of system processes 29->137 139 Sample tries to kill multiple processes (SIGKILL) 29->139 38 sh S99backup2 29->38         started        40 sh S99network 29->40         started        42 sh cp 29->42         started        46 77 other processes 29->46 process10 file11 48 S99backup0 32->48         started        50 .monitor 34->50         started        52 S99backup1 36->52         started        54 S99backup2 38->54         started        56 S99network 40->56         started        93 /usr/bin/.update, ELF 42->93 dropped 123 Writes identical ELF files to multiple locations 42->123 125 Drops invisible ELF files 42->125 127 Drops files in suspicious directories 42->127 95 /var/spool/cron/crontabs/tmp.PAP1Gb, ASCII 46->95 dropped 97 /var/log/.update, ELF 46->97 dropped 99 /var/.update, ELF 46->99 dropped 101 /mnt/.update, ELF 46->101 dropped 129 Sample tries to kill multiple processes (SIGKILL) 46->129 131 Sample deletes itself 46->131 133 Sample tries to persist itself using cron 46->133 135 2 other signatures 46->135 58 sh crontab 46->58         started        61 sh .update 46->61         started        63 sh .update 46->63         started        65 sh .update 46->65         started        signatures12 process13 signatures14 67 S99backup0 .update 48->67         started        75 75 other processes 48->75 77 76 other processes 50->77 69 S99backup1 .update 52->69         started        79 74 other processes 52->79 71 S99backup2 .update 54->71         started        81 73 other processes 54->81 73 S99network .update 56->73         started        83 73 other processes 56->83 121 Executes the "crontab" command typically for achieving persistence 58->121 process15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c2bde30bd9c006356ffe98004652b3646c5854790e9caa0dca64aecf04a3d040
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c2bde30bd9c006356ffe98004652b3646c5854790e9caa0dca64aecf04a3d040/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/c2bde30bd9c006356ffe98004652b3646c5854790e9caa0dca64aecf04a3d040
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-03 00:46:22 UTC
File Type:
ELF64 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yk66gc6zyaddk376taaemuvtmrwfqvdzb2okudokmsxm6bfd2baa._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-a4scystrav/
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
Looks up external IP address via web service
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:
trojan gafgyt Unix.Trojan.Mirai-7640640-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_33b4111a
Link:
https://app.threat.zone/submission/d8c27497-c963-4295-8eb8-ba4a637e8199
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/c2bde30bd9c006356ffe98004652b3646c5854790e9caa0dca64aecf04a3d040

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: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 c2bde30bd9c006356ffe98004652b3646c5854790e9caa0dca64aecf04a3d040

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3714269/
  
Delivery method
Distributed via web download

Comments