MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5222465fa77d24210196df0d856afa26f2ce9e9365d513e40ba054468d6eb1a9. 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 7 File information Comments

SHA256 hash: 5222465fa77d24210196df0d856afa26f2ce9e9365d513e40ba054468d6eb1a9
SHA3-384 hash: 872b368cd645b840f56db704353794a0fd3d5bdb38415519e520adc80445908e65b19b88992ab6e566134b5f36693005
SHA1 hash: f92c40bb217b46b97e81dbdfe04c03334e4124a4
MD5 hash: 97ad604451365fb402b3a99a19cdcddd
humanhash: queen-lamp-lamp-fanta
File name:x86_32.uhavenobotsxd
Download: download sample
Signature Mirai
File size:82'932 bytes
First seen:2025-11-28 21:58:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:MXycz8gQ51KKlQcNYVpSTsv648ZFQ/IY434XpmtogK:qAgQ51nQoYVp2N4+QAF3Y
TLSH T127837BC0A747E4F8FC560174613BA7374632EA391239DB5BCB64F8369C62A01E71A35C
telfhash t18b31d6bb1a7a0deda7e5a804c71d5b652a4ee77b186037b24123d524235eec240fec39
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 :
44
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Deletes a file
Receives data from a server
Opens a port
Sends data to a server
Deleting a recently created file
Launching a process
Connection attempt
Sets a written file as executable
Creating a file
Changes access rights for a written file
Runs as daemon
Creating a process from a recently created file
Kills processes
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
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:
android mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-28T18:33:00Z UTC
Last seen:
2025-11-29T07:20:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
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 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'
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1822592 Sample: x86_32.uhavenobotsxd.elf Startdate: 28/11/2025 Architecture: LINUX Score: 100 89 Malicious sample detected (through community Yara rule) 2->89 91 Multi AV Scanner detection for submitted file 2->91 10 x86_32.uhavenobotsxd.elf 2->10         started        process3 signatures4 107 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->107 13 x86_32.uhavenobotsxd.elf 10->13         started        process5 file6 81 /var/spool/cron/root, ASCII 13->81 dropped 83 /var/spool/cron/crontabs/root, ASCII 13->83 dropped 85 /root/.bashrc, ASCII 13->85 dropped 87 8 other files (7 malicious) 13->87 dropped 115 Sample tries to set files in /etc globally writable 13->115 117 Sample tries to persist itself using /etc/profile 13->117 119 Drops files in suspicious directories 13->119 121 4 other signatures 13->121 17 x86_32.uhavenobotsxd.elf 13->17         started        19 x86_32.uhavenobotsxd.elf sh 13->19         started        21 x86_32.uhavenobotsxd.elf sh 13->21         started        23 38 other processes 13->23 signatures7 process8 process9 25 x86_32.uhavenobotsxd.elf sh 17->25         started        27 x86_32.uhavenobotsxd.elf sh 17->27         started        29 x86_32.uhavenobotsxd.elf sh 17->29         started        31 x86_32.uhavenobotsxd.elf sh 17->31         started        33 sh S99network 19->33         started        35 sh .monitor 21->35         started        37 sh crontab 23->37         started        41 sh cp 23->41         started        43 36 other processes 23->43 file10 45 sh .update 25->45         started        48 sh .update 27->48         started        50 sh .update 29->50         started        52 sh .update 31->52         started        54 S99network 33->54         started        56 .monitor 35->56         started        77 /var/spool/cron/crontabs/tmp.Up7WCl, ASCII 37->77 dropped 93 Sample tries to persist itself using cron 37->93 95 Executes the "crontab" command typically for achieving persistence 37->95 79 /usr/bin/.update, ELF 41->79 dropped 97 Drops invisible ELF files 41->97 99 Drops files in suspicious directories 41->99 101 Sample tries to kill multiple processes (SIGKILL) 43->101 103 Sample deletes itself 43->103 105 Terminates several processes with shell command 'killall' 43->105 58 sh crontab 43->58         started        signatures11 process12 signatures13 111 Sample reads /proc/mounts (often used for finding a writable filesystem) 45->111 60 S99network .update 54->60         started        63 S99network .update 54->63         started        65 S99network .update 54->65         started        73 3 other processes 54->73 67 .monitor .update 56->67         started        69 .monitor .update 56->69         started        71 .monitor .update 56->71         started        75 3 other processes 56->75 113 Executes the "crontab" command typically for achieving persistence 58->113 process14 signatures15 109 Sample reads /proc/mounts (often used for finding a writable filesystem) 60->109
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-28 21:59:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates a large amount of network flows
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
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-10001386-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_cc93863b
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:unixredflags3
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 5222465fa77d24210196df0d856afa26f2ce9e9365d513e40ba054468d6eb1a9

(this sample)

  
Delivery method
Distributed via web download

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