🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 721e6cc6e842fcb92e93e7a7ab39cf93b939ffab0a61ad7c5869da5c6cfafc90. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 721e6cc6e842fcb92e93e7a7ab39cf93b939ffab0a61ad7c5869da5c6cfafc90
SHA3-384 hash: b6c671a36f9c26e021f87a977cac532fa0bf5f1a34897ca963be7eda18e6931af8b6bdc962d64b8b4b118f78796a82e2
SHA1 hash: a6145d1ea247d3e6b2085a9de8b3ec3275d62089
MD5 hash: 6ef4455422c087e059eedb18c43171fc
humanhash: cold-diet-jupiter-fourteen
File name:i586
Download: download sample
Signature Mirai
Create hunting rule
File size:571'068 bytes
First seen:2026-09-30 16:23:08 UTC
Last seen:2026-10-01 09:36:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:ho1VhFc0arVYoWk77rIoZBsp7/m40QcokWXx32AEnJ5XI09nOJo+:WvFc0arVYol7o5xXcokaC9n2o+
TLSH T137C48D02AAF3D9B6F4A380B1115517B94573D97A257BD84BEBE61C90DE201C0E32D3BE
telfhash t1090289b13afd0dd8b3d0a902c24e6b21dd45e66758d438b28af3259933b3b429e71c75
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 :
2
# of downloads :
102
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Sets a written file as executable
Collects information on the RAM
Connection attempt
Kills processes
Creating a file in the %temp% directory
Creating a file
Receives data from a server
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6abd377460af371dbd357803/reports/67962078-bacf-4633-84de-32f41a5943eb/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/721e6cc6e842fcb92e93e7a7ab39cf93b939ffab0a61ad7c5869da5c6cfafc90
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-30T14:16:00Z UTC
Last seen:
2026-10-01T22:06:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/721e6cc6e842fcb92e93e7a7ab39cf93b939ffab0a61ad7c5869da5c6cfafc90/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1e1fd7ec-db34-4909-b9c8-216829115ac6
Behavior Graph:
Download SVG
%3 guuid=00978dc8-1600-0000-2194-23a8940d0000 pid=3476 /usr/bin/sudo guuid=335344ca-1600-0000-2194-23a8980d0000 pid=3480 /tmp/sample.bin net send-data write-config write-file guuid=00978dc8-1600-0000-2194-23a8940d0000 pid=3476->guuid=335344ca-1600-0000-2194-23a8980d0000 pid=3480 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=335344ca-1600-0000-2194-23a8980d0000 pid=3480->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 475f89ad-eac8-5659-ab59-e223569a2040 217.60.195.187:9111 guuid=335344ca-1600-0000-2194-23a8980d0000 pid=3480->475f89ad-eac8-5659-ab59-e223569a2040 send: 72B guuid=6f584dd1-1600-0000-2194-23a8ad0d0000 pid=3501 /tmp/sample.bin guuid=335344ca-1600-0000-2194-23a8980d0000 pid=3480->guuid=6f584dd1-1600-0000-2194-23a8ad0d0000 pid=3501 clone guuid=724558d1-1600-0000-2194-23a8ae0d0000 pid=3502 /tmp/sample.bin guuid=6f584dd1-1600-0000-2194-23a8ad0d0000 pid=3501->guuid=724558d1-1600-0000-2194-23a8ae0d0000 pid=3502 clone guuid=8f9b64d1-1600-0000-2194-23a8af0d0000 pid=3503 /tmp/sample.bin guuid=6f584dd1-1600-0000-2194-23a8ad0d0000 pid=3501->guuid=8f9b64d1-1600-0000-2194-23a8af0d0000 pid=3503 clone guuid=f1656fd1-1600-0000-2194-23a8b00d0000 pid=3504 /tmp/sample.bin guuid=6f584dd1-1600-0000-2194-23a8ad0d0000 pid=3501->guuid=f1656fd1-1600-0000-2194-23a8b00d0000 pid=3504 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/136d10a9-bd93-4cd5-9a05-2eb3bf285f59
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/721e6cc6e842fcb92e93e7a7ab39cf93b939ffab0a61ad7c5869da5c6cfafc90
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/721e6cc6e842fcb92e93e7a7ab39cf93b939ffab0a61ad7c5869da5c6cfafc90/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-09-30 15:44:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oipgzrxiil6lslut46t2woopso4tt75lbjq227cynhnfy3h27sia._file
Result
Malware family:
xmrig_linux
Create hunting rule
Score:
  10/10
Tags:
family:xmrig_linux discovery execution linux miner persistence privilege_escalation
Link:
https://tria.ge/reports/260930-tv14aazhkb/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Family: xmrig
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/721e6cc6e842fcb92e93e7a7ab39cf93b939ffab0a61ad7c5869da5c6cfafc90

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
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:golang
Create hunting rule
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:MIRAI_TELNETCURL_payload
Create hunting rule
Author:AfterPacket
Description:Mirai-lineage ELF payload carrying the leaked-source decoy domain
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
Create hunting rule
Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
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: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:telebot_framework
Create hunting rule
Author:vietdx.mb
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:VPNFilterStage3PluginTor
Create hunting rule

File information

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

Web download

Mirai

elf 721e6cc6e842fcb92e93e7a7ab39cf93b939ffab0a61ad7c5869da5c6cfafc90

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3923515/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3922289/

Comments