MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f1c917d6a89ee333b8cf6717aa1bf8c61fa19489433db1ee6813e3ade773703. 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: 8


Intelligence 8 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f1c917d6a89ee333b8cf6717aa1bf8c61fa19489433db1ee6813e3ade773703
SHA3-384 hash: fed61f400514158eeeb11d6ee5ef356a2dcb1c763ed93b9dbe41f72e4df1cdb8621276d21577ca344521f84d48798619
SHA1 hash: c6bb89f67a453a82c10da1c0a329556c68aad3e7
MD5 hash: c6124b27fb4f13a77fddb325cf378a44
humanhash: washington-table-oscar-zebra
File name:windy.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:87'316 bytes
First seen:2025-12-26 19:58:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:iXDwDhVtcU4xiUWaqH3Fgo3IeEMWximKjfTsv4gz9F7vq:kDWKzQLH3FwjwmKjfTc4gq
TLSH T15E8328C1FA8BC0F1D91B89304067F63FCB31E8295061D75DEF9A9E36DA33581A212389
telfhash t15c31fff6067a0de897d01d44e25e6f612d1eab7b602037e34273c930222fc42527bc3a
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 31d423164c480b1ae238259697bb38f59de35f03804e4c7620df0ae545c4cdcd
File size (compressed) :41'296 bytes
File size (de-compressed) :87'316 bytes
Format:linux/i386
Packed file: 31d423164c480b1ae238259697bb38f59de35f03804e4c7620df0ae545c4cdcd

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
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/23404c03-f1ba-49ad-8270-ea0292caef05/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.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

Unix.Trojan.Mirai-10017298-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/694ee91ee126b9ff43928c93/reports/60ecba5a-f294-4447-8663-bcf68858e3d6/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e3f200af-7a5c-4b73-8867-41bf2ca96b80
Behavior Graph:
Download SVG
%3 guuid=1aac9819-1b00-0000-388c-05475b0b0000 pid=2907 /usr/bin/sudo guuid=3f6de11c-1b00-0000-388c-0547630b0000 pid=2915 /tmp/sample.bin net guuid=1aac9819-1b00-0000-388c-05475b0b0000 pid=2907->guuid=3f6de11c-1b00-0000-388c-0547630b0000 pid=2915 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=3f6de11c-1b00-0000-388c-0547630b0000 pid=2915->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=688c2b1d-1b00-0000-388c-0547640b0000 pid=2916 /tmp/sample.bin guuid=3f6de11c-1b00-0000-388c-0547630b0000 pid=2915->guuid=688c2b1d-1b00-0000-388c-0547640b0000 pid=2916 clone guuid=1a2cd949-1c00-0000-388c-05475d0d0000 pid=3421 /tmp/sample.bin guuid=3f6de11c-1b00-0000-388c-0547630b0000 pid=2915->guuid=1a2cd949-1c00-0000-388c-05475d0d0000 pid=3421 clone guuid=25a8de49-1c00-0000-388c-05475e0d0000 pid=3422 /tmp/sample.bin net send-data zombie guuid=3f6de11c-1b00-0000-388c-0547630b0000 pid=2915->guuid=25a8de49-1c00-0000-388c-05475e0d0000 pid=3422 clone guuid=c78e321d-1b00-0000-388c-0547650b0000 pid=2917 /tmp/sample.bin guuid=688c2b1d-1b00-0000-388c-0547640b0000 pid=2916->guuid=c78e321d-1b00-0000-388c-0547650b0000 pid=2917 clone guuid=ca3c3b1d-1b00-0000-388c-0547660b0000 pid=2918 /tmp/sample.bin dns net send-data zombie guuid=688c2b1d-1b00-0000-388c-0547640b0000 pid=2916->guuid=ca3c3b1d-1b00-0000-388c-0547660b0000 pid=2918 clone guuid=ca3c3b1d-1b00-0000-388c-0547660b0000 pid=2918->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 240B ac4baa47-21a8-5b71-9591-629431bedc7b dot.polarisnetwork.fun:69 guuid=ca3c3b1d-1b00-0000-388c-0547660b0000 pid=2918->ac4baa47-21a8-5b71-9591-629431bedc7b send: 4B guuid=25a8de49-1c00-0000-388c-05475e0d0000 pid=3422->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1120B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=25a8de49-1c00-0000-388c-05475e0d0000 pid=3422->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7685279f-a092-4e73-a9b9-da8bec886bae
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1839994
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839994 Sample: windy.i686.elf Startdate: 26/12/2025 Architecture: LINUX Score: 64 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 dot.polarisnetwork.fun 92.119.164.209, 69 MYVIRTUALSERVERmyVirtualserverDE Germany 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 8 windy.i686.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 windy.i686.elf 8->12         started        14 windy.i686.elf 8->14         started        16 windy.i686.elf 8->16         started        process6 18 windy.i686.elf 12->18         started        20 windy.i686.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3f1c917d6a89ee333b8cf6717aa1bf8c61fa19489433db1ee6813e3ade773703
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f1c917d6a89ee333b8cf6717aa1bf8c61fa19489433db1ee6813e3ade773703/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 19:59:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h4ojc7lkrhxdgo4m6zyxvin7rrq7ugkisqz5whxgqe7dvxtxg4bq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251226-yp4pfatrcw/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 31d423164c480b1ae238259697bb38f59de35f03804e4c7620df0ae545c4cdcd

Mirai

elf 3f1c917d6a89ee333b8cf6717aa1bf8c61fa19489433db1ee6813e3ade773703

(this sample)

  
Dropped by
SHA256 31d423164c480b1ae238259697bb38f59de35f03804e4c7620df0ae545c4cdcd
  
URLhaus
https://urlhaus.abuse.ch/url/3744209/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3744234/
  
Dropped by
MD5 28cb215d20f5899cf6f649d0ec489653

Comments