MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f39aaa679217272e6a14357ce966226f58d73ed3388b075d04be1a5317a88171. 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: 10


Intelligence 10 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f39aaa679217272e6a14357ce966226f58d73ed3388b075d04be1a5317a88171
SHA3-384 hash: 06ce0938d881850b0a06ee8b2c8472dd672ffde9986c4f9b6c3eba82ec0e24ce58749c34c751b40e3586ddf38222d7dc
SHA1 hash: c5f50d9b14d1cd28eb113a37c5cfb20500e2038d
MD5 hash: 386443939909cd5a297ff36f05e1b210
humanhash: cola-william-minnesota-romeo
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:95'572 bytes
First seen:2025-12-03 23:59:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:m1rA+nWGc97U98Vky/qi0ktZulA96yqf86droSZhBc:mO+g9dky/httAa9VM8UhW
TLSH T1F1935AC9E6C3C8FAEC1605322072AF37EDB3D57E3135EA83C7A99539AC62541D10669C
telfhash t14a312df919be1df8a7d09542a24e1b616e5a677b281033b34673dc20637ee4151bbc3c
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 db8349e21e4a6c52de6f724df4b08f3b709b50274763ec69fc93674d822f3df8
File size (compressed) :42'212 bytes
File size (de-compressed) :95'572 bytes
Format:linux/i386
Packed file: db8349e21e4a6c52de6f724df4b08f3b709b50274763ec69fc93674d822f3df8

Intelligence

File Origin
# of uploads :
1
# of downloads :
25
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/72fbb7a3-21a4-461c-b61c-b396eb45408d/
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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Deleting a recently created file
Sends data to a server
Launching a process
Removes directories
Receives data from a server
Creating a file
Changes access rights for a file
Runs as daemon
Sets a written file as executable
Opens a port
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6930cf20bba50eaf0420079e/reports/39cebfa2-86bc-4445-82fe-265c013fb011/overview
Result
Gathering data
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1825960
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1825960 Sample: x86.elf Startdate: 04/12/2025 Architecture: LINUX Score: 80 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for dropped file 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 9 x86.elf 2->9         started        12 python3.8 dpkg 2->12         started        process3 file4 41 /usr/local/bin/infinitd, ELF 9->41 dropped 14 x86.elf 9->14         started        16 x86.elf 9->16         started        18 x86.elf sh 9->18         started        20 3 other processes 9->20 process5 process6 22 x86.elf 14->22         started        25 x86.elf 16->25         started        27 x86.elf 16->27         started        29 sh 18->29         started        31 x86.elf 20->31         started        33 sh 20->33         started        signatures7 51 Manipulation of devices in /dev 22->51 53 Deletes system log files 22->53 35 x86.elf 25->35         started        37 x86.elf 31->37         started        process8 process9 39 x86.elf 35->39         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f39aaa679217272e6a14357ce966226f58d73ed3388b075d04be1a5317a88171
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f39aaa679217272e6a14357ce966226f58d73ed3388b075d04be1a5317a88171/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 00:00:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6onkuz4sc4ts42qugv6oszrcn5mnopwthcfqoxiexynfgf5iqfyq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/251204-alwbwsak6x/
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
Deletes system logs
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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 db8349e21e4a6c52de6f724df4b08f3b709b50274763ec69fc93674d822f3df8

Mirai

elf f39aaa679217272e6a14357ce966226f58d73ed3388b075d04be1a5317a88171

(this sample)

  
Dropped by
SHA256 db8349e21e4a6c52de6f724df4b08f3b709b50274763ec69fc93674d822f3df8
  
URLhaus
https://urlhaus.abuse.ch/url/3719326/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 2ec676c69dd2880c79567c414b6a91ac
  
URLhaus
https://urlhaus.abuse.ch/url/3722813/
  
URLhaus
https://urlhaus.abuse.ch/url/3722799/

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