MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a21766a2df35e45db59e0a6dbfeb7c8862fb9e77710c9f8f589b7a9b96c99bb9. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a21766a2df35e45db59e0a6dbfeb7c8862fb9e77710c9f8f589b7a9b96c99bb9
SHA3-384 hash: 22fa382288188fbc78d9bd310661d20db7cd766b20e2e8dd408ac5fb017a48b9c72eef99ad734e23ba7c7df44f4a81ab
SHA1 hash: 23656f1893c6e41960ababa16dd20257bbfb1643
MD5 hash: 47ff45fc70ffbd5be2fff1344dcc8ed5
humanhash: carpet-vermont-butter-hotel
File name:mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:101'568 bytes
First seen:2026-06-23 18:25:55 UTC
Last seen:2026-06-24 22:55:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:u+kMoJdVZCSXVK1t0oub9ZH+SWjw+ZgLioV4Reu7VeZgh+FkgVFXj:u+kMQzZCi8IoE9ZH+S5+Qgeu7VebXnj
TLSH T12EA3D80AEF600EF7EC6FCD3706A91B0634CC651A12A97B357A78D92CF91A20B55D3C64
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 :
4
# of downloads :
130
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Siggen.796.25380.17630.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Receives data from a server
Runs as daemon
DNS request
Opens a port
Creating a file
Sends data to a server
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/6a3acfdc9799578a6c487af3/reports/84a0747a-1d84-464b-bc45-1f1cf7470e6a/overview
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-06-24T05:47:00Z UTC
Last seen:
2026-06-24T05:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a21766a2df35e45db59e0a6dbfeb7c8862fb9e77710c9f8f589b7a9b96c99bb9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/28731d1e-e9c1-4987-8aef-45def7ba4756
Behavior Graph:
Download SVG
%3 guuid=7c392a5f-1900-0000-12a1-4c0d2c140000 pid=5164 /usr/bin/sudo guuid=7b821661-1900-0000-12a1-4c0d2d140000 pid=5165 /tmp/sample.bin guuid=7c392a5f-1900-0000-12a1-4c0d2c140000 pid=5164->guuid=7b821661-1900-0000-12a1-4c0d2d140000 pid=5165 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b06c541d-bd61-4355-96a1-2237eaf979c2
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1932812
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1932812 Sample: mpsl.elf Startdate: 23/06/2026 Architecture: LINUX Score: 56 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 91.189.91.42, 443 CANONICAL-ASGB United States 2->20 22 3 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 8 mpsl.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 mpsl.elf 8->14         started        process6 16 mpsl.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a21766a2df35e45db59e0a6dbfeb7c8862fb9e77710c9f8f589b7a9b96c99bb9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a21766a2df35e45db59e0a6dbfeb7c8862fb9e77710c9f8f589b7a9b96c99bb9/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-23 18:26:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uilwniw7gxsf3nm6bjw37234rbrpxhtxoegj7d2ytn5jxfwjto4q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access
Link:
https://tria.ge/reports/260623-w3gqqafv5s/
Behaviour
Changes its process name
Reads process memory
Unexpected DNS network traffic destination
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/a21766a2df35e45db59e0a6dbfeb7c8862fb9e77710c9f8f589b7a9b96c99bb9

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_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: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
Rule name:woof_mirai_variant
Create hunting rule
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf a21766a2df35e45db59e0a6dbfeb7c8862fb9e77710c9f8f589b7a9b96c99bb9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3865669/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3875418/

Comments