MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6502a3fde856f98b911406067e0f54a8f17a97f271b6fca6c925d3f79ef51394. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 6502a3fde856f98b911406067e0f54a8f17a97f271b6fca6c925d3f79ef51394
SHA3-384 hash: 96e26b96ba0b153c320533f1f8a05c37f4a46e46693ae7f8d897a7f5317842f839c3d4caf6ebcbc4242b47ed138d0ac6
SHA1 hash: 1d04f1c05e42a07c6aa052cbc2df53e88730aecb
MD5 hash: 5c5ded81dbda32881c83dda9c0fd8206
humanhash: william-arizona-kitten-ceiling
File name:mips.urbotnetisass
Download: download sample
Signature Mirai
File size:337'056 bytes
First seen:2025-09-23 03:44:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:JSuNrL7xU/KUSO/1gDJZL/1V1n/OffNkDAS9c/B2ySx0HYLFJQd:JSuNrL7YgLX1n/BTcYpJQd
TLSH T10D64A30E6A719F3DF768873587B78F30D65873E216E0DA84E1ACE5011E6064EA41FF68
telfhash t11141a0180e7c17a4a23a6c5d086def66d6e335df3e161c238e10e45eeb2ee835d15d09
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Opens a port
Deleting a recently created file
Kills processes
Creating a file in the %temp% subdirectories
Creating a file in the %temp% directory
Sends data to a server
Deletes a file
Creates directories in a temporary directory
Runs as daemon
Connection attempt
Changes the time when the file was created, accessed, or modified
Receives data from a server
Creating a file
Collects information on the network activity
Mounts file systems
Deletes a system binary file
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm bash lolbin
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
109
Number of processes launched:
12
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-23T02:06:00Z UTC
Last seen:
2025-09-23T02:06:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=cb35f3d6-1600-0000-4150-73bd030f0000 pid=3843 /usr/bin/sudo guuid=4aca7bd8-1600-0000-4150-73bd0d0f0000 pid=3853 /tmp/sample.bin guuid=cb35f3d6-1600-0000-4150-73bd030f0000 pid=3843->guuid=4aca7bd8-1600-0000-4150-73bd0d0f0000 pid=3853 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1782382 Sample: mips.urbotnetisass.elf Startdate: 23/09/2025 Architecture: LINUX Score: 100 66 94.154.35.153, 43212 SELECTELRU Ukraine 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected Gafgyt 2->72 74 Yara detected Mirai 2->74 11 mips.urbotnetisass.elf 2->11         started        15 udisksd dumpe2fs 2->15         started        17 udisksd dumpe2fs 2->17         started        19 482 other processes 2->19 signatures3 process4 file5 58 /root/.bashrc, ASCII 11->58 dropped 60 /etc/rc.local, POSIX 11->60 dropped 62 /etc/profile, ASCII 11->62 dropped 64 /etc/crontab, ASCII 11->64 dropped 78 Sample tries to persist itself using /etc/profile 11->78 80 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 11->80 82 Sample tries to persist itself using cron 11->82 84 Sample tries to persist itself using System V runlevels 11->84 21 mips.urbotnetisass.elf 11->21         started        signatures6 process7 file8 50 /_dev_shm_.5493_librt.so.1, ELF 21->50 dropped 52 /_dev_shm_.5493_libpthread.so.0, ELF 21->52 dropped 54 /_dev_shm_.5493_libm.so.6, ELF 21->54 dropped 56 6 other malicious files 21->56 dropped 76 Writes identical ELF files to multiple locations 21->76 25 mips.urbotnetisass.elf 21->25         started        27 mips.urbotnetisass.elf 21->27         started        29 mips.urbotnetisass.elf 21->29         started        31 mips.urbotnetisass.elf 21->31         started        signatures9 process10 process11 33 mips.urbotnetisass.elf 25->33         started        36 mips.urbotnetisass.elf 27->36         started        38 mips.urbotnetisass.elf 29->38         started        40 mips.urbotnetisass.elf 31->40         started        file12 46 /tmp/.taunt, POSIX 33->46 dropped 48 /tmp/.mock, POSIX 33->48 dropped 42 mips.urbotnetisass.elf 33->42         started        process13 process14 44 mips.urbotnetisass.elf 42->44         started       
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-23 03:45:52 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Writes file to system bin folder
Deletes itself
Deletes system logs
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Mirai

elf 6502a3fde856f98b911406067e0f54a8f17a97f271b6fca6c925d3f79ef51394

(this sample)

  
Delivery method
Distributed via web download

Comments