MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ad76c837935535dcab64e5b868e154ead29aab26fb6cb415d2a6d3574b61416. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ad76c837935535dcab64e5b868e154ead29aab26fb6cb415d2a6d3574b61416
SHA3-384 hash: d07931f2b01b612120fe3435c8aeb4cb4b4d14757bdafc15510939dbc9009b412df997d61e56f667845ee31dd36d3a08
SHA1 hash: 5dea806f033ffe5d4c4bc97ae5c1017eff45268c
MD5 hash: e3d84bdc0feff55ab68b3611cdbdb4c5
humanhash: hydrogen-edward-south-violet
File name:mipsel.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:131'256 bytes
First seen:2025-11-23 21:53:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:ppyNvt7KPQslSavgweuK2FesVciuTe+Ey9tJq5L5j/k87QQjzEkrQuTsp:aruPQqSavgweuN17QQPx/sp
TLSH T123D3F609BB610EFBE86FCD3706E9070521CD655622B83B7A3A74D52CF14E28B1AD3974
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 :
82
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-10010119-0
Create hunting rule

Unix.Trojan.Mirai-10010127-0
Create hunting rule

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

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Receives data from a server
Creating a file
Runs as daemon
Connection attempt
Changes access rights for a written file
Creating a process from a recently created file
Kills processes
Deleting a recently created file
Sends data to a server
Launching a process
Sets a written file as executable
Deletes a file
Changes the time when the file was created, accessed, or modified
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin mirai
Link:
https://www.filescan.io/uploads/692382865d3feebe12d850ac/reports/f3a82152-0144-4e87-8b8a-caf41d44bf83/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/1ad76c837935535dcab64e5b868e154ead29aab26fb6cb415d2a6d3574b61416
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-23T20:03:00Z UTC
Last seen:
2025-11-23T20:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/1ad76c837935535dcab64e5b868e154ead29aab26fb6cb415d2a6d3574b61416/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/858d8e15-7bdd-40c0-88d8-b13fb024a0a1
Behavior Graph:
Download SVG
%3 guuid=58d0f35f-1600-0000-d598-9ea75a0c0000 pid=3162 /usr/bin/sudo guuid=76cd2463-1600-0000-d598-9ea75b0c0000 pid=3163 /tmp/sample.bin guuid=58d0f35f-1600-0000-d598-9ea75a0c0000 pid=3162->guuid=76cd2463-1600-0000-d598-9ea75b0c0000 pid=3163 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d4e26655-9860-467d-b20d-9c1336edd6b9
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1819663
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
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'
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819663 Sample: mipsel.uhavenobotsxd.elf Startdate: 23/11/2025 Architecture: LINUX Score: 100 103 94.154.35.153, 33874, 6969 SELECTELRU Ukraine 2->103 105 172.65.228.124, 25565, 55890, 55892 CLOUDFLARENETUS United States 2->105 107 2 other IPs or domains 2->107 111 Multi AV Scanner detection for submitted file 2->111 11 mipsel.uhavenobotsxd.elf 2->11         started        14 dash rm 2->14         started        16 dash cut 2->16         started        18 8 other processes 2->18 signatures3 process4 signatures5 139 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->139 20 mipsel.uhavenobotsxd.elf 11->20         started        process6 file7 85 /var/spool/cron/root, ASCII 20->85 dropped 87 /var/spool/cron/crontabs/root, ASCII 20->87 dropped 89 /root/.bashrc, ASCII 20->89 dropped 91 11 other files (10 malicious) 20->91 dropped 113 Sample tries to set files in /etc globally writable 20->113 115 Sample tries to persist itself using /etc/profile 20->115 117 Drops files in suspicious directories 20->117 119 4 other signatures 20->119 24 mipsel.uhavenobotsxd.elf sh 20->24         started        26 mipsel.uhavenobotsxd.elf sh 20->26         started        28 mipsel.uhavenobotsxd.elf sh 20->28         started        30 26 other processes 20->30 signatures8 process9 signatures10 33 sh S99backup0 24->33         started        35 sh S99backup1 26->35         started        37 sh S99backup2 28->37         started        141 Sample tries to kill multiple processes (SIGKILL) 30->141 39 sh S99network 30->39         started        41 sh cp 30->41         started        45 sh crontab 30->45         started        47 25 other processes 30->47 process11 file12 49 S99backup0 33->49         started        51 S99backup1 35->51         started        53 S99backup2 37->53         started        55 S99network 39->55         started        93 /usr/bin/.update, ELF 41->93 dropped 125 Writes identical ELF files to multiple locations 41->125 127 Drops invisible ELF files 41->127 129 Drops files in suspicious directories 41->129 95 /var/spool/cron/crontabs/tmp.C0CZ1f, ASCII 45->95 dropped 131 Sample tries to persist itself using cron 45->131 133 Executes the "crontab" command typically for achieving persistence 45->133 97 /var/log/.update, ELF 47->97 dropped 99 /var/jbx/shared/.update, ELF 47->99 dropped 101 /boot/.update, ELF 47->101 dropped 135 Sample deletes itself 47->135 137 Terminates several processes with shell command 'killall' 47->137 57 sh .update 47->57         started        60 sh crontab 47->60         started        62 .monitor 47->62         started        64 2 other processes 47->64 signatures13 process14 signatures15 66 S99backup0 .update 49->66         started        75 31 other processes 49->75 69 S99backup1 .update 51->69         started        77 27 other processes 51->77 71 S99backup2 .update 53->71         started        79 25 other processes 53->79 73 S99network .update 55->73         started        81 23 other processes 55->81 121 Sample reads /proc/mounts (often used for finding a writable filesystem) 57->121 123 Executes the "crontab" command typically for achieving persistence 60->123 83 2 other processes 62->83 process16 signatures17 109 Sample reads /proc/mounts (often used for finding a writable filesystem) 66->109
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1ad76c837935535dcab64e5b868e154ead29aab26fb6cb415d2a6d3574b61416
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1ad76c837935535dcab64e5b868e154ead29aab26fb6cb415d2a6d3574b61416/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 21:54:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dllwza3zgvjv3svwjznyndqvj2wstkvsn63mwqk5fjwtk5fwcqla._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251123-1saxmsykfl/
Behaviour
Reads runtime system information
System Network Configuration Discovery
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:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/3638d662-3052-4c45-ac06-a9949722c4cf
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
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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 1ad76c837935535dcab64e5b868e154ead29aab26fb6cb415d2a6d3574b61416

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686381/
  
Delivery method
Distributed via web download

Comments