MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0b3821d822f475b2d43e7d2f75ea1019eae594e3c5197e0be2ae1e5c7ea5fc2. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f0b3821d822f475b2d43e7d2f75ea1019eae594e3c5197e0be2ae1e5c7ea5fc2
SHA3-384 hash: 22c5b3061e1a9e59e57406f94558db20467e53b02245e97dd09671367cdbb0003f93278ce635ff6709193bbbce9c4a26
SHA1 hash: 46c5800c8561132672e5e0f6fe49c19bddf1b8b8
MD5 hash: 6041c62b50f3b154b3775c5c70c81cef
humanhash: july-gee-eleven-cardinal
File name:arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:213'012 bytes
First seen:2025-12-13 21:13:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Y54Duln/+3Ro2QH5pSXigRca1oqiQIgjq7q5rIRpj6hh1kZRNx+:YGal/CRvcWXigya93q78IRpNjNx+
TLSH T19A242B43F9518F12C1C212BABB6E418D37136BB9D2EE7202DD246FA037868EF0E76555
telfhash t150d0220ffac12fca29c94ad0daaea384c0b0a8a57700b8c09208e3007c919837008012
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 e47c3d77ab38f6c34fc4014dcaa0a7b0f78b808b402e81ca5bedea88aca83674
File size (compressed) :74'360 bytes
File size (de-compressed) :213'012 bytes
Format:linux/arm
Packed file: e47c3d77ab38f6c34fc4014dcaa0a7b0f78b808b402e81ca5bedea88aca83674

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
NL NL
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/73df191e-484f-4a2f-8027-4ec8353790ef/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc mirai obfuscated rust
Link:
https://www.filescan.io/uploads/693dd7231eac7b9b76a90900/reports/2e603ae2-7eca-4801-a630-b4ff90f96872/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-13T18:42:00Z UTC
Last seen:
2025-12-15T05:50:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/f0b3821d822f475b2d43e7d2f75ea1019eae594e3c5197e0be2ae1e5c7ea5fc2/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/64e9c6d4-04f2-4ddd-ab29-312d1df80af9
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1832157
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1832157 Sample: arm6.elf Startdate: 13/12/2025 Architecture: LINUX Score: 80 34 151.242.30.13, 12121, 56250, 56252 RASANAIR Iran (ISLAMIC Republic Of) 2->34 36 109.202.202.202, 80 INIT7CH Switzerland 2->36 38 2 other IPs or domains 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected Gafgyt 2->46 8 arm6.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 32 /usr/local/bin/infinitd, ELF 8->32 dropped 13 arm6.elf 8->13         started        15 arm6.elf 8->15         started        17 arm6.elf sh 8->17         started        19 3 other processes 8->19 process6 process7 21 arm6.elf 13->21         started        24 arm6.elf 15->24         started        26 arm6.elf 15->26         started        28 sh 17->28         started        30 sh 19->30         started        signatures8 48 Manipulation of devices in /dev 21->48 50 Deletes system log files 21->50
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f0b3821d822f475b2d43e7d2f75ea1019eae594e3c5197e0be2ae1e5c7ea5fc2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f0b3821d822f475b2d43e7d2f75ea1019eae594e3c5197e0be2ae1e5c7ea5fc2/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/f0b3821d822f475b2d43e7d2f75ea1019eae594e3c5197e0be2ae1e5c7ea5fc2
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-13 21:14:13 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=6czyehmcf5dvwlkd47jpoxvbagpk4wkohrizpyf6flq6lr7kl7ba._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery persistence privilege_escalation
Link:
https://tria.ge/reports/251213-z2xx4axrgj/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/b0270cd4-dcff-4b0b-988b-6b52a148c87e
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/f0b3821d822f475b2d43e7d2f75ea1019eae594e3c5197e0be2ae1e5c7ea5fc2

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 e47c3d77ab38f6c34fc4014dcaa0a7b0f78b808b402e81ca5bedea88aca83674

Mirai

elf f0b3821d822f475b2d43e7d2f75ea1019eae594e3c5197e0be2ae1e5c7ea5fc2

(this sample)

  
Dropped by
SHA256 e47c3d77ab38f6c34fc4014dcaa0a7b0f78b808b402e81ca5bedea88aca83674
  
URLhaus
https://urlhaus.abuse.ch/url/3719335/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 7632ba1f6bb24e2c7f69c033efc6af2b
  
URLhaus
https://urlhaus.abuse.ch/url/3722815/
  
URLhaus
https://urlhaus.abuse.ch/url/3722819/

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