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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca856cd80f9dcbaaddaeba08516b7bef12d3fd27150426be9e0fc677fa68a398. 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: 8


Intelligence 8 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca856cd80f9dcbaaddaeba08516b7bef12d3fd27150426be9e0fc677fa68a398
SHA3-384 hash: 5ca1eb199aa45e256474d2bd343bc375b3f0dfecd11774007f666da8fdc9868a10b08fe6b3d8fffa3005604d513f0698
SHA1 hash: 3a11d1bef4d96a8184bb91ae2bdaebfea51da33f
MD5 hash: e9613ec24e39d287d639019511a96817
humanhash: arizona-kansas-montana-michigan
File name:armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:160'988 bytes
First seen:2026-11-05 05:45:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:AKfq5TniPuVZH8vdMb/hdPDvz/xpeD0zhux6+oXeNjVqqEJBdow7:AKi5TeaH8vdMvPfZp0chuYwNjVVEJBdb
TLSH T1A4F306A2BE82D951C4D428BFEA1F81C8334303ACC7EE7112DD159B35A5DF95A0E3AE45
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 :
74
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-9907086-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated rust
Link:
https://www.filescan.io/uploads/6aec17f30b4231d8b3e74ef7/reports/bc6a68e8-8db4-4028-a1ee-92b27e9f1832/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ca856cd80f9dcbaaddaeba08516b7bef12d3fd27150426be9e0fc677fa68a398
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d7c2f6b5-e0ee-46d7-9f78-9da7e9eb1eb7
Behavior Graph:
Download SVG
%3 guuid=f2ddf986-1800-0000-4249-40dc1d0c0000 pid=3101 /usr/bin/sudo guuid=2763fb89-1800-0000-4249-40dc240c0000 pid=3108 /tmp/sample.bin guuid=f2ddf986-1800-0000-4249-40dc1d0c0000 pid=3101->guuid=2763fb89-1800-0000-4249-40dc240c0000 pid=3108 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/11bdc5c3-3e80-4f71-bc93-f5fa7b145254
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1998750
Signature
Drops files in suspicious directories
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
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1998750 Sample: armv7l.elf Startdate: 05/11/2026 Architecture: LINUX Score: 68 62 211.124.150.155, 23 ZAQJCOMCoLtdJP Japan 2->62 64 148.69.83.207, 23 VODAFONE-PTVodafonePortugalPT Portugal 2->64 66 98 other IPs or domains 2->66 68 Multi AV Scanner detection for submitted file 2->68 11 armv7l.elf 2->11         started        13 systemd systemd-update 2->13         started        15 systemd systemd-update 2->15         started        17 2 other processes 2->17 signatures3 process4 process5 19 armv7l.elf 11->19         started        21 systemd-update 13->21         started        23 systemd-update 15->23         started        process6 25 armv7l.elf 19->25         started        29 systemd-update 21->29         started        31 systemd-update 23->31         started        file7 54 /var/spool/cron/root, ASCII 25->54 dropped 56 /var/spool/cron/crontabs/root, ASCII 25->56 dropped 58 /usr/lib/systemd/systemd-update, ELF 25->58 dropped 60 6 other malicious files 25->60 dropped 70 Sample tries to set files in /etc globally writable 25->70 72 Sample tries to persist itself using /etc/profile 25->72 74 Drops files in suspicious directories 25->74 76 2 other signatures 25->76 33 armv7l.elf sh 25->33         started        35 armv7l.elf sh 25->35         started        37 armv7l.elf sh 25->37         started        43 2 other processes 25->43 39 systemd-update 29->39         started        41 systemd-update 31->41         started        signatures8 process9 process10 45 sh update-rc.d 33->45         started        48 sh systemctl 35->48         started        50 sh systemctl 37->50         started        signatures11 78 Sample tries to persist itself using System V runlevels 45->78 52 update-rc.d systemctl 45->52         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ca856cd80f9dcbaaddaeba08516b7bef12d3fd27150426be9e0fc677fa68a398
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca856cd80f9dcbaaddaeba08516b7bef12d3fd27150426be9e0fc677fa68a398/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-11-05 05:45:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkcwzwaptxf2vxnoxiefc23354jnh7jhcuccnpu6b7dhp6tiuoma._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/261105-gfwtssts8p/
Behaviour
Reads runtime system information
Changes its process name
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
Contacts a large (402221) amount of remote hosts
Creates a large amount of network flows
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/ca856cd80f9dcbaaddaeba08516b7bef12d3fd27150426be9e0fc677fa68a398

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:golang
Create hunting rule
Rule name:Linux_Generic_Threat_da28eb8b
Create hunting rule
Author:Elastic Security
Rule name:LIN_Malware_Unknown_ForgeAuto_0daebbb8
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (elf, etat binaire)
Rule name:LIN_Malware_Unknown_ForgeAuto_43efb4f0
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (elf, etat binaire)
Rule name:LIN_Malware_Unknown_ForgeAuto_7213850f
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (elf, etat binaire)
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:vmdetect
Create hunting rule
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 ca856cd80f9dcbaaddaeba08516b7bef12d3fd27150426be9e0fc677fa68a398

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/4057369/
  
URLhaus
https://urlhaus.abuse.ch/url/4057375/

Comments