MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4d2208b2412de62f8c93ceef99018506d814e76b6baa2a06f4189de8e9e7476. 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 18 File information Comments

SHA256 hash: a4d2208b2412de62f8c93ceef99018506d814e76b6baa2a06f4189de8e9e7476
SHA3-384 hash: aa4654c42809fcbaf357fa1be7e6ff8b2d1b5965bc10e406cd15052b1dbe5cf009f9f69a238fcfbf0e5904054cd3668d
SHA1 hash: f6399892e7841a1642ea2a4957d5929688342804
MD5 hash: db1984dd9fd5beeddb16bcec79c435f3
humanhash: grey-seven-ten-johnny
File name:ub8ehJSePAfc9FYqZIT6.x86_64
Download: download sample
Signature Mirai
File size:75'600 bytes
First seen:2025-11-29 09:51:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:BzIDxEwvZ8b7RRINkGIb/+w4HnC+8l8AnzcUj:BUxEyZKDIWGIf4HT8l8AzcUj
TLSH T1E8732A57BA4180FEC499C03843BEBA36D87274FE1379729A13D8FE366D56E601E28C54
telfhash t1d32133b039591da0e0ebe468b305e1661d391aa004e2b8f3d9b790f6eb517870db9427
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 189c6247ec560837a146794562edce3618d6522c402da5a8461706ef185d927b
File size (compressed) :36'924 bytes
File size (de-compressed) :75'600 bytes
Format:linux/amd64
Packed file: 189c6247ec560837a146794562edce3618d6522c402da5a8461706ef185d927b

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Runs as daemon
Receives data from a server
Connection attempt
Result
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822788 Sample: ub8ehJSePAfc9FYqZIT6.x86_64.elf Startdate: 29/11/2025 Architecture: LINUX Score: 72 24 103.77.241.17, 32918, 32920, 32924 X4B-AS-APX4BDDoSProtectedAnnouncementsAU India 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 3 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 8 ub8ehJSePAfc9FYqZIT6.x86_64.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 ub8ehJSePAfc9FYqZIT6.x86_64.elf 8->14         started        16 ub8ehJSePAfc9FYqZIT6.x86_64.elf 8->16         started        18 ub8ehJSePAfc9FYqZIT6.x86_64.elf 8->18         started        process6 20 ub8ehJSePAfc9FYqZIT6.x86_64.elf 14->20         started        22 ub8ehJSePAfc9FYqZIT6.x86_64.elf 14->22         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-29 09:51:31 UTC
File Type:
ELF64 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 a4d2208b2412de62f8c93ceef99018506d814e76b6baa2a06f4189de8e9e7476

(this sample)

  
Delivery method
Distributed via web download

Comments