MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e40c615586896cbd3913a65c7db9e276c17f54bc916638ae4d2a474e9fb09dd. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e40c615586896cbd3913a65c7db9e276c17f54bc916638ae4d2a474e9fb09dd
SHA3-384 hash: f8777ee0199944fec31d38b0c1046dfc0306ed99bb934952ce1b6f5398bd2ef9c00a817bd3db5df23112f70de40ae0ce
SHA1 hash: 32e88fa6ab6297780e9a2053418829af1e54449b
MD5 hash: 02a7693ca6436996e98712e91289ac7c
humanhash: pizza-red-whiskey-cardinal
File name:micro.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:87'976 bytes
First seen:2026-05-19 16:28:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:nOroOCUm7lO3u2vZAZQ819QJ535B9KCbjJwmMZTSaS:OfCUm7lO31AZQw4vB95btwmc+t
TLSH T18D836CD8F683D8F6EC8301705077EB768B73E53E5129DA43C7A89932DC61940DA2A79C
telfhash t16141c3fa1dba09fdb7d4a840c31a5fe26a29e63b156036f400b35df923e3a518079c35
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 dd9b1129285f2771eca9cb0a288d5618302fc5f684cb514b52a516bc936b49e6
File size (compressed) :36'068 bytes
File size (de-compressed) :87'976 bytes
Format:linux/i386
Packed file: dd9b1129285f2771eca9cb0a288d5618302fc5f684cb514b52a516bc936b49e6

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
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/7c849240-6174-4eec-91dd-8cb178639d5e/
Detection(s):
Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Receives data from a server
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6a0c8fe8efbd399b39bba25a/reports/681dbcf2-2d2b-46e1-bc2d-6ceabc496630/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4e40c615586896cbd3913a65c7db9e276c17f54bc916638ae4d2a474e9fb09dd
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 217.60.245.90:1337
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-19T15:00:00Z UTC
Last seen:
2026-05-20T19:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4e40c615586896cbd3913a65c7db9e276c17f54bc916638ae4d2a474e9fb09dd/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3c7d3e42-83d2-4ce9-9aaa-0f5e46e73d3c
Behavior Graph:
Download SVG
%3 guuid=75cdb477-1800-0000-85b3-95cb9d0c0000 pid=3229 /usr/bin/sudo guuid=9698287a-1800-0000-85b3-95cb9e0c0000 pid=3230 /tmp/sample.bin net guuid=75cdb477-1800-0000-85b3-95cb9d0c0000 pid=3229->guuid=9698287a-1800-0000-85b3-95cb9e0c0000 pid=3230 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=9698287a-1800-0000-85b3-95cb9e0c0000 pid=3230->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=527c6f7a-1800-0000-85b3-95cb9f0c0000 pid=3231 /tmp/sample.bin guuid=9698287a-1800-0000-85b3-95cb9e0c0000 pid=3230->guuid=527c6f7a-1800-0000-85b3-95cb9f0c0000 pid=3231 clone guuid=eb1a747a-1800-0000-85b3-95cba00c0000 pid=3232 /tmp/sample.bin guuid=9698287a-1800-0000-85b3-95cb9e0c0000 pid=3230->guuid=eb1a747a-1800-0000-85b3-95cba00c0000 pid=3232 clone guuid=28227b7a-1800-0000-85b3-95cba10c0000 pid=3233 /tmp/sample.bin net send-data zombie guuid=9698287a-1800-0000-85b3-95cb9e0c0000 pid=3230->guuid=28227b7a-1800-0000-85b3-95cba10c0000 pid=3233 clone guuid=28227b7a-1800-0000-85b3-95cba10c0000 pid=3233->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con e4cf4dad-43ac-56b2-a3e8-af6dd97be435 217.60.245.90:1337 guuid=28227b7a-1800-0000-85b3-95cba10c0000 pid=3233->e4cf4dad-43ac-56b2-a3e8-af6dd97be435 send: 107B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6f65d0f1-9185-412b-9f5a-e98cfc918a26
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1915833
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: 1915833 Sample: micro.x86.elf Startdate: 19/05/2026 Architecture: LINUX Score: 64 21 169.254.169.254, 80 USDOSUS Reserved 2->21 23 217.60.245.90, 1337, 57958 TCIIR Iran (ISLAMIC Republic Of) 2->23 25 5 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 7 micro.x86.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 process5 15 micro.x86.elf 7->15         started        17 micro.x86.elf 7->17         started        19 micro.x86.elf 7->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4e40c615586896cbd3913a65c7db9e276c17f54bc916638ae4d2a474e9fb09dd
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4e40c615586896cbd3913a65c7db9e276c17f54bc916638ae4d2a474e9fb09dd/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-19 16:29:36 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=jzammfkynclmxu4rhjs4pw46e5wbp5klzelghcxe2kshj2p3bhoq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion linux
Link:
https://tria.ge/reports/260519-ty25rahv51/
Behaviour
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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/4e40c615586896cbd3913a65c7db9e276c17f54bc916638ae4d2a474e9fb09dd

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_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
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_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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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/

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf dd9b1129285f2771eca9cb0a288d5618302fc5f684cb514b52a516bc936b49e6

Mirai

elf 4e40c615586896cbd3913a65c7db9e276c17f54bc916638ae4d2a474e9fb09dd

(this sample)

  
Dropped by
SHA256 dd9b1129285f2771eca9cb0a288d5618302fc5f684cb514b52a516bc936b49e6
  
URLhaus
https://urlhaus.abuse.ch/url/3842302/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 bf5f9907e3c7c7434405d1e351888502

Comments