MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a03281983acde60bcb9ad4c476cc2af7e491121429cd2520591236a9bea2efc7. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a03281983acde60bcb9ad4c476cc2af7e491121429cd2520591236a9bea2efc7
SHA3-384 hash: b145b34a194bc83c69c60752bfdcf764eff67c9dacf34baf168dd69a41ab11ccfc4214f5d4ceb948c7396202e21c36c4
SHA1 hash: 0fb77723f572c7fd0707c4a61d5a6944b3b98141
MD5 hash: 31f5da361acccd8661ec84348e3fa804
humanhash: monkey-chicken-montana-timing
File name:mao.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:89'104 bytes
First seen:2026-02-08 01:27:40 UTC
Last seen:2026-02-08 03:00:51 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:85E/xOpxUQWpaWITkJV5CvxUnwKe8gZriDsKF12:8+/xOpxUQWTIa4QgkF4
TLSH T1139374097F901EB3ECAFDC374AAA274414DD661B256C6F75B930E828B50B64F26C3874
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 :
2
# of downloads :
45
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
Link:
https://research.acce.ciphertechsolutions.com/results/a8c3505d-23c1-40b5-9d76-8ccfca3ad209/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9907086-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/afb83574-ebef-435b-9ddc-c718812be6d1
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1865417
Signature
Multi AV Scanner detection for submitted file
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1865417 Sample: mao.mpsl.elf Startdate: 08/02/2026 Architecture: LINUX Score: 56 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 mn.34509.su 45.95.146.23, 25565, 51120, 51122 EKMEDIANL Netherlands 2->24 26 3 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Okiru 2->30 8 mao.mpsl.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 mao.mpsl.elf 8->14         started        16 mao.mpsl.elf 8->16         started        process6 18 mao.mpsl.elf 14->18         started        20 mao.mpsl.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a03281983acde60bcb9ad4c476cc2af7e491121429cd2520591236a9bea2efc7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a03281983acde60bcb9ad4c476cc2af7e491121429cd2520591236a9bea2efc7/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a03281983acde60bcb9ad4c476cc2af7e491121429cd2520591236a9bea2efc7
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-07 02:03:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uazidgb2zxtaxs422tchntbk67sjcequfhgskiczci3ktpvc57dq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion
Link:
https://tria.ge/reports/260208-bvsg2ahy7h/
Behaviour
Changes its process name
Modifies Watchdog functionality
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/a03281983acde60bcb9ad4c476cc2af7e491121429cd2520591236a9bea2efc7

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:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_da28eb8b
Create hunting rule
Author:Elastic Security
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: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 a03281983acde60bcb9ad4c476cc2af7e491121429cd2520591236a9bea2efc7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3766747/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3774303/

Comments