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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ef03b375da756bfde5ce7e73e86f9c4d3865fced60a4f0b36579c1b31e00aa2. 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: 9ef03b375da756bfde5ce7e73e86f9c4d3865fced60a4f0b36579c1b31e00aa2
SHA3-384 hash: 07fc35de376f2743f33d4b337763e3f1705187d3a17815fdf46adfa0ce026e50e7d0fbeed524b8d195914b79b7fd9d21
SHA1 hash: 53fef81437b71af75b59a1cbda5821b8ff83a8fb
MD5 hash: ffe2bfaeeeeb9b30db5d92e55b7c7d8d
humanhash: kilo-april-helium-november
File name:jklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:107'032 bytes
First seen:2026-10-21 23:58:18 UTC
Last seen:2026-10-22 05:50:44 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:2lljIVJ5obZDU038SS7IaEEahHdK1dwRNhzcprEZUu2BG+9KRXT:2llje/odoRj8fEmH0fyNhzcqU/BQ
TLSH T1AAA32A86BCC5C602C5E160B6FB1E91CD372643B8E3E67203DD18AB29674B8670F3B655
telfhash t112215e16dfa41e9cbbf0049801ba1607919839ee9ab218432feea95f47329d3b034438
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 :
92
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10008934-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6ad951d00264d045242d461f/reports/821713c8-19a8-4fdc-8d79-56f8c2e9b339/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
148
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/9ef03b375da756bfde5ce7e73e86f9c4d3865fced60a4f0b36579c1b31e00aa2
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-21T21:12:00Z UTC
Last seen:
2026-10-22T01:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9ef03b375da756bfde5ce7e73e86f9c4d3865fced60a4f0b36579c1b31e00aa2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5116ae38-6fc2-4e61-b413-46b33a0f6210
Behavior Graph:
Download SVG
%3 guuid=7095ac3f-1700-0000-03d3-bb583c0d0000 pid=3388 /usr/bin/sudo guuid=b0c28a42-1700-0000-03d3-bb58400d0000 pid=3392 /tmp/sample.bin guuid=7095ac3f-1700-0000-03d3-bb583c0d0000 pid=3388->guuid=b0c28a42-1700-0000-03d3-bb58400d0000 pid=3392 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d5bf59ac-6f20-40a7-965f-2e191fba3e8f
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1990328
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1990328 Sample: jklarm5.elf Startdate: 22/10/2026 Architecture: LINUX Score: 64 25 bigr.dyn. [malformed] 2->25 27 220.41.246.181 XO-AS15-VerizonBusinessUS Japan 2->27 29 101 other IPs or domains 2->29 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 8 jklarm5.elf 2->8         started        10 systemd sshd 2->10         started        12 systemd sshd 2->12         started        14 14 other processes 2->14 signatures3 37 Sends malformed DNS queries 25->37 process4 process5 16 jklarm5.elf 8->16         started        process6 18 jklarm5.elf 16->18         started        21 jklarm5.elf 16->21         started        23 jklarm5.elf 16->23         started        signatures7 31 Sample tries to kill multiple processes (SIGKILL) 18->31
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9ef03b375da756bfde5ce7e73e86f9c4d3865fced60a4f0b36579c1b31e00aa2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9ef03b375da756bfde5ce7e73e86f9c4d3865fced60a4f0b36579c1b31e00aa2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-10-21 23:59:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t3ydwn25u5ll7xs447tt5bxzytjymx6o2yfe6czwk6obwmpabkra._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/261021-31tqtsyv8l/
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/9ef03b375da756bfde5ce7e73e86f9c4d3865fced60a4f0b36579c1b31e00aa2

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_Threat_af48ca6a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 9ef03b375da756bfde5ce7e73e86f9c4d3865fced60a4f0b36579c1b31e00aa2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3945953/
  
Delivery method
Distributed via web download

Comments