MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1721839af55e4fe4e24b9e54dff63fb2ba371944be41f6341b916a65a277c9c3. 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: 6


Intelligence 6 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1721839af55e4fe4e24b9e54dff63fb2ba371944be41f6341b916a65a277c9c3
SHA3-384 hash: ef9bc39862685c80fe89ada620ce069ddbfe400d1d92f97815291db777dcffcfd2d05d08c7f54dff04cd43de0bc3b23c
SHA1 hash: ccf0e11c7139477afafe1721e0127a77b3d6a797
MD5 hash: feee94c02c339d9480ab2f6502a7987d
humanhash: dakota-sink-victor-harry
File name:kurayami.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:164'704 bytes
First seen:2026-03-30 06:58:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:nJqn73FvDaOmynee0PI71NGH19rVCUQLhQhWjEKpGh3:nJG5aXeEH19M1QsjvGh3
TLSH T159F39D33C9A5AE98C6649474E0B1FE795B539A0641871FBB1AA7CBB54043DCCFE043B8
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 adliwahid
Tags:mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Detection(s):
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.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

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

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

Unix.Trojan.Generic-9910198-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10042712-0
Create hunting rule

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

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

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin masquerade mirai remote
Link:
https://www.filescan.io/uploads/69ca1f9790759d6205bfee30/reports/192e9c77-5bd4-4021-b302-2bab0e989141/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ad022999-8b51-41d7-8536-50c99216f70a
Behavior Graph:
Download SVG
%3 guuid=775e8918-1a00-0000-b2da-82df450a0000 pid=2629 /usr/bin/sudo guuid=c492511c-1a00-0000-b2da-82df4d0a0000 pid=2637 /tmp/sample.bin guuid=775e8918-1a00-0000-b2da-82df450a0000 pid=2629->guuid=c492511c-1a00-0000-b2da-82df4d0a0000 pid=2637 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/809d2107-8378-4c3e-8e98-d946b18ccf3e
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1721839af55e4fe4e24b9e54dff63fb2ba371944be41f6341b916a65a277c9c3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1721839af55e4fe4e24b9e54dff63fb2ba371944be41f6341b916a65a277c9c3/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-30 04:09:58 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c4qyhgxvlzh6jysltzkn75r7wk5dogkexza7mna3sfvglitxzhbq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/260330-hr6c2say9p/
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/1721839af55e4fe4e24b9e54dff63fb2ba371944be41f6341b916a65a277c9c3

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
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 1721839af55e4fe4e24b9e54dff63fb2ba371944be41f6341b916a65a277c9c3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3808208/
  
Delivery method
Distributed via web download

Comments