MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 481b1e264ddec8e5b779fe019df1420cb614deb139aca0ea0db434352e159209. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 481b1e264ddec8e5b779fe019df1420cb614deb139aca0ea0db434352e159209
SHA3-384 hash: a3ac65071ea3da10a1aa3fb62d3e515b88c47ab118175408d900c455f795e6e75c40a453cb9fff9b7dd08e0940959d54
SHA1 hash: 3c2ba236859668836311c26d78ff1ec310eab5b0
MD5 hash: ca2d105213942f2cec4b148cf980213f
humanhash: stream-beer-batman-blue
File name:MIPS
Download: download sample
Signature Mirai
Create hunting rule
File size:173'000 bytes
First seen:2026-05-16 00:27:48 UTC
Last seen:2026-05-16 02:06:47 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:UAqTkNhlPsvqoz7HmIlE73Rlv7USu3Rlv7glNRTf49uubt/4AkwgjwsGmhF4SFub:h84AdgjwqF4SFuJ+b3qWH6CZP8
TLSH T190F3533E7E22AF7FE668823507F25FB0D35521D636A29280E1BCD6585F7028C189F794
telfhash t1b1316b5c497813f0a7765c9e5aedff36d5a030df0a226e3b8e00e96daa6dd425e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
60
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/34dc8fa4-1643-4ee3-ae36-729a08dad269/
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135944-0
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Trojan.Mirai-9871828-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash gcc lolbin
Link:
https://www.filescan.io/uploads/6a07ba11efbd399b39b2374a/reports/0b1e6086-f475-42e9-a5d1-208a940cfea2/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-05-15T22:18:00Z UTC
Last seen:
2026-05-17T18:22:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/481b1e264ddec8e5b779fe019df1420cb614deb139aca0ea0db434352e159209/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/da345145-52e0-474d-9717-210d5a000468
Behavior Graph:
Download SVG
%3 guuid=248a9653-1800-0000-0a26-b76bda0b0000 pid=3034 /usr/bin/sudo guuid=3a471655-1800-0000-0a26-b76be00b0000 pid=3040 /tmp/sample.bin guuid=248a9653-1800-0000-0a26-b76bda0b0000 pid=3034->guuid=3a471655-1800-0000-0a26-b76be00b0000 pid=3040 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/88fad5b7-74d5-4dec-bbbc-ff7e4712801d
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1914308
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
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Reads system files that contain records of logged in users
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 cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1914308 Sample: MIPS.elf Startdate: 16/05/2026 Architecture: LINUX Score: 100 102 176.65.139.26, 44368, 44370, 44372 PALTEL-ASPALTELAutonomousSystemPS Germany 2->102 104 daisy.ubuntu.com 2->104 112 Antivirus detection for dropped file 2->112 114 Antivirus / Scanner detection for submitted sample 2->114 116 Multi AV Scanner detection for submitted file 2->116 11 MIPS.elf 2->11         started        14 systemd .systemd-helper 2->14         started        16 systemd gvfsd 2->16         started        18 44 other processes 2->18 signatures3 process4 signatures5 134 Opens /proc/net/* files useful for finding connected devices and routers 11->134 20 MIPS.elf 11->20         started        22 MIPS.elf 11->22         started        24 .systemd-helper 14->24         started        26 .systemd-helper 14->26         started        28 gvfsd 16->28         started        30 gvfsd gvfsd-trash 16->30         started        136 Sample reads /proc/mounts (often used for finding a writable filesystem) 18->136 138 Reads system files that contain records of logged in users 18->138 32 accounts-daemon language-validate 18->32         started        34 xfce4-panel wrapper-2.0 18->34         started        36 5 other processes 18->36 process6 process7 38 MIPS.elf 20->38         started        42 .systemd-helper 24->42         started        44 gvfsd gvfsd-fuse 28->44         started        46 language-validate language-options 32->46         started        48 wrapper-2.0 xfpm-power-backlight-helper 34->48         started        file8 98 /usr/local/lib/.systemd-helper, ELF 38->98 dropped 100 /etc/init.d/botnet, POSIX 38->100 dropped 126 Sample tries to set files in /etc globally writable 38->126 128 Drops invisible ELF files 38->128 130 Drops files in suspicious directories 38->130 50 MIPS.elf sh 38->50         started        52 MIPS.elf sh 38->52         started        54 MIPS.elf 38->54         started        63 3 other processes 38->63 132 Sample deletes itself 42->132 57 .systemd-helper sh 42->57         started        59 gvfsd-fuse fusermount 44->59         started        61 language-options sh 46->61         started        signatures9 process10 signatures11 65 sh crontab 50->65         started        69 sh 50->69         started        71 sh update-rc.d 52->71         started        120 Sample tries to kill a massive number of system processes 54->120 122 Sample tries to kill multiple processes (SIGKILL) 54->122 73 sh 57->73         started        75 sh crontab 57->75         started        124 Sample reads /proc/mounts (often used for finding a writable filesystem) 59->124 83 2 other processes 61->83 77 sh systemctl 63->77         started        79 sh systemctl 63->79         started        81 sh systemctl 63->81         started        process12 file13 96 /var/spool/cron/crontabs/tmp.2GJNA0, ASCII 65->96 dropped 106 Sample tries to persist itself using cron 65->106 108 Executes the "crontab" command typically for achieving persistence 65->108 85 sh crontab 69->85         started        88 sh grep 69->88         started        110 Sample tries to persist itself using System V runlevels 71->110 90 update-rc.d systemctl 71->90         started        92 sh crontab 73->92         started        94 sh grep 73->94         started        signatures14 process15 signatures16 118 Executes the "crontab" command typically for achieving persistence 85->118
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/481b1e264ddec8e5b779fe019df1420cb614deb139aca0ea0db434352e159209
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/481b1e264ddec8e5b779fe019df1420cb614deb139aca0ea0db434352e159209/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-16 00:30:01 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=janr4jsn33eoln3z7yaz34kcbs3bjxvrhgwkb2qnwq2dklqvsieq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260516-aschcscw3l/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Reads system routing table
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/481b1e264ddec8e5b779fe019df1420cb614deb139aca0ea0db434352e159209

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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 481b1e264ddec8e5b779fe019df1420cb614deb139aca0ea0db434352e159209

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3838512/
  
Delivery method
Distributed via web download

Comments