MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a66945cecdcbd17b30aff446095c7d661a97dfcacdc39b1a4a1de4aa9c19161a. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a66945cecdcbd17b30aff446095c7d661a97dfcacdc39b1a4a1de4aa9c19161a
SHA3-384 hash: a1b2b3b143a004c9cd8d5be96630555618bea41f11fe60a11d758347d0d5703562f9e6c4e44c923da2c5f3689e1986a9
SHA1 hash: 0740de66cfbb19cbb7a561aeca722543bdb28b0b
MD5 hash: 0517e4d80b51bd0611f4494b3ff6e6d3
humanhash: uranus-india-blossom-mockingbird
File name:nz.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:119'248 bytes
First seen:2026-07-25 16:57:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:9QUXFHNzBNaH/41XvHWCh690jCCqRTdJrTqytsXBmL:6UXFtzBNaf41/HWCsJrTWXBmL
TLSH T1E6C30802B9C18DFDC089C034577FB93AD825F0DE0239B2AB6BD4AF27694DE901A1DE55
telfhash t1562147742ee3395ca2d7438a730eee2ad5f20a116cc2b5969f0b7de84905fc41d42462
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 8163638bf3fc8356f3fed714b003ca5017e3837c759497861c82aabdf6de5074
File size (compressed) :50'064 bytes
File size (de-compressed) :119'248 bytes
Format:linux/amd64
Packed file: 8163638bf3fc8356f3fed714b003ca5017e3837c759497861c82aabdf6de5074

Intelligence

File Origin
# of uploads :
1
# of downloads :
90
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7c4d384e-7b1a-41f1-ab27-59e60d041397/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

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:
2026-07-25T14:49:00Z UTC
Last seen:
2026-07-25T16:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a66945cecdcbd17b30aff446095c7d661a97dfcacdc39b1a4a1de4aa9c19161a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/668d0ec7-a13b-42d1-b305-7c35085f1a6e
Behavior Graph:
Download SVG
%3 guuid=abf49428-1900-0000-cd88-33123d030000 pid=829 /usr/bin/sudo guuid=84c1332a-1900-0000-cd88-33123e030000 pid=830 /tmp/sample.bin net guuid=abf49428-1900-0000-cd88-33123d030000 pid=829->guuid=84c1332a-1900-0000-cd88-33123e030000 pid=830 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=84c1332a-1900-0000-cd88-33123e030000 pid=830->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0951632a-1900-0000-cd88-33123f030000 pid=831 /tmp/sample.bin guuid=84c1332a-1900-0000-cd88-33123e030000 pid=830->guuid=0951632a-1900-0000-cd88-33123f030000 pid=831 clone guuid=fa3cd654-1a00-0000-cd88-331216040000 pid=1046 /tmp/sample.bin guuid=84c1332a-1900-0000-cd88-33123e030000 pid=830->guuid=fa3cd654-1a00-0000-cd88-331216040000 pid=1046 clone guuid=a8a3dd54-1a00-0000-cd88-331217040000 pid=1047 /tmp/sample.bin dns net send-data zombie guuid=84c1332a-1900-0000-cd88-33123e030000 pid=830->guuid=a8a3dd54-1a00-0000-cd88-331217040000 pid=1047 clone guuid=63c86a2a-1900-0000-cd88-331240030000 pid=832 /tmp/sample.bin guuid=0951632a-1900-0000-cd88-33123f030000 pid=831->guuid=63c86a2a-1900-0000-cd88-331240030000 pid=832 clone guuid=8145792a-1900-0000-cd88-331241030000 pid=833 /tmp/sample.bin dns net send-data zombie guuid=0951632a-1900-0000-cd88-33123f030000 pid=831->guuid=8145792a-1900-0000-cd88-331241030000 pid=833 clone guuid=8145792a-1900-0000-cd88-331241030000 pid=833->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 186B 568f303d-70aa-55ae-8d86-adcf42ab29d5 wqok85qtq.net:69 guuid=8145792a-1900-0000-cd88-331241030000 pid=833->568f303d-70aa-55ae-8d86-adcf42ab29d5 send: 4B guuid=a8a3dd54-1a00-0000-cd88-331217040000 pid=1047->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 155B guuid=a8a3dd54-1a00-0000-cd88-331217040000 pid=1047->568f303d-70aa-55ae-8d86-adcf42ab29d5 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1570026e-1c23-4daa-83fb-78fbd3cb81c3
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a66945cecdcbd17b30aff446095c7d661a97dfcacdc39b1a4a1de4aa9c19161a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a66945cecdcbd17b30aff446095c7d661a97dfcacdc39b1a4a1de4aa9c19161a/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-25 16:59:33 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzuultwnzpixwmfp6rdasxd5mynjpx6kzxbzwgskdxskvhazcyna._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux
Link:
https://tria.ge/reports/260725-vg366aek31/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
wqok85qtq.net
Malware family:
Mirai.CondiBot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a66945cecdcb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/a66945cecdcbd17b30aff446095c7d661a97dfcacdc39b1a4a1de4aa9c19161a

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 8163638bf3fc8356f3fed714b003ca5017e3837c759497861c82aabdf6de5074

Mirai

elf a66945cecdcbd17b30aff446095c7d661a97dfcacdc39b1a4a1de4aa9c19161a

(this sample)

  
Dropped by
SHA256 8163638bf3fc8356f3fed714b003ca5017e3837c759497861c82aabdf6de5074
  
URLhaus
https://urlhaus.abuse.ch/url/3891545/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 a8a8b4cee3275afb06c5cef2003b55d8

Comments