MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f65a1bd31f50c3de50ee190c5cfea81a9d9827611b52c20f2eeeadd3d6bb7746. 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: 10


Intelligence 10 IOCs YARA 19 File information Comments

SHA256 hash: f65a1bd31f50c3de50ee190c5cfea81a9d9827611b52c20f2eeeadd3d6bb7746
SHA3-384 hash: b8457625265c0dce48e2927c93ebb1763c15fd9001a2f8ff93aad60cf1a88c4438318bd5a38bb598f4cd3eeb5c45a50f
SHA1 hash: bd7e78580b4cf09bc0d7619c4f467c697721e518
MD5 hash: e2194ec0242110fbbf2e8c2e16e93318
humanhash: early-robin-sink-twelve
File name:nz.x86_64
Download: download sample
Signature Mirai
File size:117'808 bytes
First seen:2026-08-04 05:59:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Ov1M+j00nBitqP+gL/MBkpLCJRUL1Ok7Sn3XF:Ov1pj00nBitU+gL/wYxOukXF
TLSH T127B31907BDC18DFEC089C038477FB53ED822F4DD0239B2A767D4AE262D4DEA11A19A55
telfhash t11121a8703ed2799c61db86ca730ddd39e0b709210ec2b5ea9f07add88a1afc84c41463
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 751f71204e421d4786ac36f82d7f1e2e07bd5a4c2b8df437784baa6018971fee
File size (compressed) :49'544 bytes
File size (de-compressed) :117'808 bytes
Format:linux/amd64
Packed file: 751f71204e421d4786ac36f82d7f1e2e07bd5a4c2b8df437784baa6018971fee

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-08-04T03:13:00Z UTC
Last seen:
2026-08-04T04:09:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=a784eb3d-2500-0000-00ec-dbeae6090000 pid=2534 /usr/bin/sudo guuid=e8a68245-2500-0000-00ec-dbeaec090000 pid=2540 /tmp/sample.bin net guuid=a784eb3d-2500-0000-00ec-dbeae6090000 pid=2534->guuid=e8a68245-2500-0000-00ec-dbeaec090000 pid=2540 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e8a68245-2500-0000-00ec-dbeaec090000 pid=2540->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=09335d46-2500-0000-00ec-dbeaee090000 pid=2542 /tmp/sample.bin guuid=e8a68245-2500-0000-00ec-dbeaec090000 pid=2540->guuid=09335d46-2500-0000-00ec-dbeaee090000 pid=2542 clone guuid=33ae2f71-2600-0000-00ec-dbeab60a0000 pid=2742 /tmp/sample.bin guuid=e8a68245-2500-0000-00ec-dbeaec090000 pid=2540->guuid=33ae2f71-2600-0000-00ec-dbeab60a0000 pid=2742 clone guuid=4e6d4971-2600-0000-00ec-dbeab70a0000 pid=2743 /tmp/sample.bin dns net send-data zombie guuid=e8a68245-2500-0000-00ec-dbeaec090000 pid=2540->guuid=4e6d4971-2600-0000-00ec-dbeab70a0000 pid=2743 clone guuid=1a2f3647-2500-0000-00ec-dbeaf0090000 pid=2544 /tmp/sample.bin guuid=09335d46-2500-0000-00ec-dbeaee090000 pid=2542->guuid=1a2f3647-2500-0000-00ec-dbeaf0090000 pid=2544 clone guuid=d14d3e47-2500-0000-00ec-dbeaf1090000 pid=2545 /tmp/sample.bin dns net send-data zombie guuid=09335d46-2500-0000-00ec-dbeaee090000 pid=2542->guuid=d14d3e47-2500-0000-00ec-dbeaf1090000 pid=2545 clone guuid=d14d3e47-2500-0000-00ec-dbeaf1090000 pid=2545->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 198B 50d412d1-ca07-54a6-8dc5-f96b7f280548 s3o65awrf56.net:69 guuid=d14d3e47-2500-0000-00ec-dbeaf1090000 pid=2545->50d412d1-ca07-54a6-8dc5-f96b7f280548 send: 4B guuid=4e6d4971-2600-0000-00ec-dbeab70a0000 pid=2743->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 165B guuid=4e6d4971-2600-0000-00ec-dbeab70a0000 pid=2743->50d412d1-ca07-54a6-8dc5-f96b7f280548 send: 2B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-04 06:11:52 UTC
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
s3o65awrf56.net
Malware family:
Mirai.CondiBot
Verdict:
Malicious
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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:meth_stackstrings
Author:Willi Ballenthin
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 f65a1bd31f50c3de50ee190c5cfea81a9d9827611b52c20f2eeeadd3d6bb7746

(this sample)

  
Delivery method
Distributed via web download

Comments