MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d94abdaa66f3d76ea89d92f68314d2c560b7c67de10185046bfb940cd84f239. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d94abdaa66f3d76ea89d92f68314d2c560b7c67de10185046bfb940cd84f239
SHA3-384 hash: bae03bb0063933febe95b4b38a6ca0f23035195d04450f86a3a6050cfa212217ada542444fc4e68ae97d2b173aa1e9f9
SHA1 hash: c354362f471356bab11a558524104fbfbcccb13e
MD5 hash: 96f39086ac0598b71c735e44087393d7
humanhash: colorado-pasta-saturn-mango
File name:wlan.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:4'547'024 bytes
First seen:2026-03-29 21:46:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 98304:puUAoFL0jWkTCBGOfQ2KTbETEY0Ly+eClb6sc:DGysl
TLSH T189265C46B5B318ADC15AC470876FD6236D31B89442727D7F2684AE343EB7E305B2EE21
telfhash t16912c9714aea34f0b9e6ca41f362f1f46a331ce266e835b166176c55dfd1f810ca6823
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Detection(s):
Sanesecurity.Malware.30479.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Launching a process
Collects information on the CPU
Sets a written file as executable
Deletes a file
Changes the time when the file was created, accessed, or modified
Opens a port
Receives data from a server
Creating a file
Locks files
Collects information on the network activity
Runs as daemon
DNS request
Connection attempt
Changes access rights for a written file
Manages services
Creating a process from a recently created file
Collects information on the RAM
Kills processes
Creating a file in the %temp% directory
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Performs a bruteforce attack in the network
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 bash expand gcc hajime lolbin masquerade
Link:
https://www.filescan.io/uploads/69c99da200ad36369407abea/reports/111d078e-364a-4b7f-83ab-e61babe2c29b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
8
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4d94abdaa66f3d76ea89d92f68314d2c560b7c67de10185046bfb940cd84f239
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-03-28T01:31:00Z UTC
Last seen:
2026-03-29T09:41:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/4d94abdaa66f3d76ea89d92f68314d2c560b7c67de10185046bfb940cd84f239/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/97ff27ae-d815-45c9-9d39-e01bbce696fc
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1890674
Signature
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Opens /sys/class/net/* files useful for querying network interface information
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1890674 Sample: wlan.x86.elf Startdate: 29/03/2026 Architecture: LINUX Score: 96 77 109.38.214.216, 23, 37215, 52869 VFNL-ASVodafoneNLAutonomousSystemNL Netherlands 2->77 79 152.184.73.62, 23, 37215, 52869 UUNETUS United States 2->79 81 102 other IPs or domains 2->81 85 Multi AV Scanner detection for submitted file 2->85 87 Yara detected Mirai 2->87 89 Connects to many ports of the same IP (likely port scanning) 2->89 9 wlan.x86.elf 2->9         started        13 systemd snapd-env-generator 2->13         started        15 systemd snapd-env-generator 2->15         started        17 47 other processes 2->17 signatures3 process4 file5 69 /var/cache/.update-helper, ELF 9->69 dropped 71 /usr/lib/.libsystemd.so, ELF 9->71 dropped 73 /etc/rc.local, ASCII 9->73 dropped 75 2 other malicious files 9->75 dropped 101 Sample tries to set files in /etc globally writable 9->101 103 Sample tries to persist itself using /etc/profile 9->103 105 Drops invisible ELF files 9->105 107 2 other signatures 9->107 19 wlan.x86.elf 9->19         started        22 wlan.x86.elf sh 9->22         started        24 wlan.x86.elf sh 9->24         started        26 4 other processes 9->26 signatures6 process7 signatures8 91 Opens /sys/class/net/* files useful for querying network interface information 19->91 93 Opens /proc/net/* files useful for finding connected devices and routers 19->93 28 wlan.x86.elf sh 19->28         started        30 wlan.x86.elf sh 19->30         started        32 wlan.x86.elf sh 19->32         started        44 6 other processes 19->44 34 sh crontab 22->34         started        38 sh 22->38         started        40 sh update-rc.d 24->40         started        42 sh systemctl 26->42         started        46 4 other processes 26->46 process9 file10 48 sh crontab 28->48         started        51 sh crontab 30->51         started        53 sh crontab 32->53         started        67 /var/spool/cron/crontabs/tmp.LMQ00U, ASCII 34->67 dropped 95 Sample tries to persist itself using cron 34->95 97 Executes the "crontab" command typically for achieving persistence 34->97 55 sh crontab 38->55         started        57 sh grep 38->57         started        99 Sample tries to persist itself using System V runlevels 40->99 59 update-rc.d systemctl 40->59         started        61 sh crontab 44->61         started        63 sh crontab 44->63         started        65 3 other processes 44->65 signatures11 process12 signatures13 83 Executes the "crontab" command typically for achieving persistence 55->83
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4d94abdaa66f3d76ea89d92f68314d2c560b7c67de10185046bfb940cd84f239
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4d94abdaa66f3d76ea89d92f68314d2c560b7c67de10185046bfb940cd84f239/
Threat name:
Linux.Exploit.CVE-2021-36260
Create hunting rule
Status:
Malicious
First seen:
2026-03-28 07:59:02 UTC
File Type:
ELF64 Little (Exe)
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jwkkxwvgn46xn2uj3exwqmknfrlaw7dh3yibqucgx64ubtme6i4q._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm credential_access defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260329-1mptlsdv7q/
Behaviour
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Reads network interface configuration
Reads system routing table
Malware family:
BASHLITE
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d94abdaa66f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.50
Link:
https://yomi.yoroi.company/submissions/4d94abdaa66f3d76ea89d92f68314d2c560b7c67de10185046bfb940cd84f239

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:APT_Bitter_ZxxZ_Downloader
Create hunting rule
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Web download

Mirai

elf 4d94abdaa66f3d76ea89d92f68314d2c560b7c67de10185046bfb940cd84f239

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3795971/
  
Delivery method
Distributed via web download

Comments