MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3925051b9734ef04c5d13ee3c08752694338f99cdcb1b3cd8821be66e903109. 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: 14


Intelligence 14 IOCs YARA 18 File information Comments

SHA256 hash: b3925051b9734ef04c5d13ee3c08752694338f99cdcb1b3cd8821be66e903109
SHA3-384 hash: c36943de1b1e14e52322fc687e0827eaa0716a932cff8afa7953026dd349b49a1cba18cd8a80b4f08769110de0246675
SHA1 hash: 97aba318d2befcf6c4d285bd5f136d727237e859
MD5 hash: c49bd96342b2a7ccca291b21ceaadc9c
humanhash: glucose-minnesota-mockingbird-idaho
File name:i586
Download: download sample
Signature Mirai
File size:70'736 bytes
First seen:2026-02-11 01:11:41 UTC
Last seen:2026-02-11 14:58:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Bf7rySwzxSXLHhAM/r/vkdA/Bctvp3jANSlTKdHxSjj:hrySwzxuLHqcr/vOA/BQvp30NoeVWj
TLSH T16C636CC5EA83E8F4EC1606712033EB338776F53E2025DA83C7A96932DD46A41E6563DD
telfhash t1703104f71dbe0ce8fbd45800c34e9fe12d6ee67b66a173e04623995122a7c824476c75
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 :
3
# of downloads :
93
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-10T23:23:00Z UTC
Last seen:
2026-02-11T00:52:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ez HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=7f80d3b7-1600-0000-f363-3644fc0c0000 pid=3324 /usr/bin/sudo guuid=f9f3b3b9-1600-0000-f363-3644fe0c0000 pid=3326 /tmp/sample.bin delete-file net write-config guuid=7f80d3b7-1600-0000-f363-3644fc0c0000 pid=3324->guuid=f9f3b3b9-1600-0000-f363-3644fe0c0000 pid=3326 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f9f3b3b9-1600-0000-f363-3644fe0c0000 pid=3326->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c5a0c5b9-1600-0000-f363-3644000d0000 pid=3328 /tmp/sample.bin guuid=f9f3b3b9-1600-0000-f363-3644fe0c0000 pid=3326->guuid=c5a0c5b9-1600-0000-f363-3644000d0000 pid=3328 clone guuid=92b3d8b9-1600-0000-f363-3644010d0000 pid=3329 /usr/bin/dash guuid=f9f3b3b9-1600-0000-f363-3644fe0c0000 pid=3326->guuid=92b3d8b9-1600-0000-f363-3644010d0000 pid=3329 execve guuid=c725c9ef-1600-0000-f363-3644a80d0000 pid=3496 /usr/bin/dash guuid=f9f3b3b9-1600-0000-f363-3644fe0c0000 pid=3326->guuid=c725c9ef-1600-0000-f363-3644a80d0000 pid=3496 execve guuid=6283f414-1700-0000-f363-3644130e0000 pid=3603 /usr/bin/dash guuid=f9f3b3b9-1600-0000-f363-3644fe0c0000 pid=3326->guuid=6283f414-1700-0000-f363-3644130e0000 pid=3603 execve guuid=e999e91a-1700-0000-f363-3644230e0000 pid=3619 /usr/bin/dash guuid=f9f3b3b9-1600-0000-f363-3644fe0c0000 pid=3326->guuid=e999e91a-1700-0000-f363-3644230e0000 pid=3619 execve guuid=4169d61b-1700-0000-f363-3644270e0000 pid=3623 /tmp/sample.bin dns net send-data zombie guuid=f9f3b3b9-1600-0000-f363-3644fe0c0000 pid=3326->guuid=4169d61b-1700-0000-f363-3644270e0000 pid=3623 clone guuid=f7373eba-1600-0000-f363-3644030d0000 pid=3331 /usr/bin/systemctl guuid=92b3d8b9-1600-0000-f363-3644010d0000 pid=3329->guuid=f7373eba-1600-0000-f363-3644030d0000 pid=3331 execve guuid=5a23f3ef-1600-0000-f363-3644a90d0000 pid=3497 /usr/bin/systemctl guuid=c725c9ef-1600-0000-f363-3644a80d0000 pid=3496->guuid=5a23f3ef-1600-0000-f363-3644a90d0000 pid=3497 execve guuid=31692a15-1700-0000-f363-3644140e0000 pid=3604 /usr/bin/systemctl guuid=6283f414-1700-0000-f363-3644130e0000 pid=3603->guuid=31692a15-1700-0000-f363-3644140e0000 pid=3604 execve guuid=628d451b-1700-0000-f363-3644250e0000 pid=3621 /usr/bin/chmod guuid=e999e91a-1700-0000-f363-3644230e0000 pid=3619->guuid=628d451b-1700-0000-f363-3644250e0000 pid=3621 execve guuid=4169d61b-1700-0000-f363-3644270e0000 pid=3623->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B 4316c1e3-8acf-5424-ac8b-197d960a7a90 js.zianxn.qzz.io:55650 guuid=4169d61b-1700-0000-f363-3644270e0000 pid=3623->4316c1e3-8acf-5424-ac8b-197d960a7a90 send: 7B
Result
Threat name:
Mirai, Moobot
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1867109 Sample: i586.elf Startdate: 11/02/2026 Architecture: LINUX Score: 100 40 169.254.169.254, 80 USDOSUS Reserved 2->40 42 js.zianxn.qzz.io 103.43.8.15, 52628, 55650 HKNEWCLOUD-AS-APHKNEWCLOUDTECHNOLOGYLIMITEDHK Hong Kong 2->42 44 2 other IPs or domains 2->44 46 Suricata IDS alerts for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for dropped file 2->50 52 4 other signatures 2->52 8 i586.elf wwwwwwwwwwww 2->8         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        16 3 other processes 2->16 signatures3 process4 file5 36 /tmp/wwwwwwwwwwww, ELF 8->36 dropped 38 /etc/rc.local, POSIX 8->38 dropped 56 Sample deletes itself 8->56 58 Sample tries to persist itself using System V runlevels 8->58 18 wwwwwwwwwwww sh 8->18         started        20 i586.elf 8->20         started        23 wwwwwwwwwwww sh 8->23         started        25 5 other processes 8->25 signatures6 process7 signatures8 27 sh chmod 18->27         started        54 Sample deletes itself 20->54 30 sh systemctl 23->30         started        32 sh systemctl 25->32         started        34 sh systemctl 25->34         started        process9 signatures10 60 Sample tries to set files in /etc globally writable 27->60
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-02-11 01:12:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Modifies rc script
Modifies systemd
File and Directory Permissions Modification
Deletes itself
Executes dropped EXE
Mirai
Mirai family
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:elf_mirai_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 b3925051b9734ef04c5d13ee3c08752694338f99cdcb1b3cd8821be66e903109

(this sample)

  
Delivery method
Distributed via web download

Comments