🤲🏼 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 ccaf6b28b9fe286efa1533e0af5ce57dba11be068aee39e08d1ad5a7796d7d79. 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 4 File information Comments

SHA256 hash: ccaf6b28b9fe286efa1533e0af5ce57dba11be068aee39e08d1ad5a7796d7d79
SHA3-384 hash: fe18539f709dbfbe8cecabe9645c0d04dd192ab16192f1df70ce3aa34b85829b1e82c80e41a1e81cc0ce00928adce082
SHA1 hash: 617b0311cfaddf29406ec85ab011da4bd1fdd6c2
MD5 hash: 5fd4c6973258612c637ee4230d371d8d
humanhash: carolina-grey-pennsylvania-william
File name:ccaf6b28b9fe286efa1533e0af5ce57dba11be068aee39e08d1ad5a7796d7d79.elf
Download: download sample
Signature Mirai
File size:169'880 bytes
First seen:2026-10-19 03:06:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:NebNAbzN+YC54oxnnlJsCYMX8i5NuT+I+EXuZONj60oqQA74TNNsaQikmVYsXzQ/:+A/JCWEnA9+EeGEPNN3QnmVYsSmM
TLSH T197F3D81AAF950EBBDCAFDD3706E90A0139CC914722A83B753674D528F54A50F4AE3C78
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 Tuxxin
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
US US
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes the time when the file was created, accessed, or modified
Creating a file
Changes access rights for a file
Deletes a file
Removes directories from a temporary directory
Launching a process
Sends data to a server
Sets a written file as executable
Receives data from a server
Runs as daemon
Changes access rights for a written file
Deleting a recently created file
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Replaces system binary files
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash lolbin mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-19T01:32:00Z UTC
Last seen:
2026-10-20T18:35:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=23c398df-1600-0000-d8cd-b419360f0000 pid=3894 /usr/bin/sudo guuid=4d4483e1-1600-0000-d8cd-b4193b0f0000 pid=3899 /tmp/sample.bin guuid=23c398df-1600-0000-d8cd-b419360f0000 pid=3894->guuid=4d4483e1-1600-0000-d8cd-b4193b0f0000 pid=3899 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1988630 Sample: 41PSm67YkV.elf Startdate: 19/10/2026 Architecture: LINUX Score: 80 73 177.3.213.149, 48070, 48072, 58056 VtalBR Germany 2->73 89 Multi AV Scanner detection for submitted file 2->89 12 41PSm67YkV.elf 2->12         started        signatures3 process4 process5 14 41PSm67YkV.elf 12->14         started        process6 16 41PSm67YkV.elf 14->16         started        process7 18 41PSm67YkV.elf 16->18         started        file8 63 /usr/bin/systemctl, ASCII 18->63 dropped 91 Drops files in suspicious directories 18->91 22 41PSm67YkV.elf sh 18->22         started        24 41PSm67YkV.elf sh 18->24         started        26 41PSm67YkV.elf sh 18->26         started        28 58 other processes 18->28 signatures9 process10 file11 32 sh crontab 22->32         started        36 sh 22->36         started        38 sh cp 24->38         started        40 sh cp 26->40         started        65 /root/.bash_profile, ASCII 28->65 dropped 67 /etc/init.d/.e, POSIX 28->67 dropped 69 /etc/crontab, ASCII 28->69 dropped 71 /etc/cron.d/.e, ASCII 28->71 dropped 93 Drops files in suspicious directories 28->93 95 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 28->95 97 Sample tries to persist itself using cron 28->97 42 sh chattr 28->42         started        44 sh chattr 28->44         started        46 sh chmod 28->46         started        48 53 other processes 28->48 signatures12 process13 file14 57 /var/spool/cron/crontabs/tmp.SY1PZZ, ASCII 32->57 dropped 75 Sample tries to persist itself using cron 32->75 77 Executes the "crontab" command typically for achieving persistence 32->77 50 sh crontab 36->50         started        53 sh grep 36->53         started        59 /var/tmp/.e, ELF 38->59 dropped 79 Writes identical ELF files to multiple locations 38->79 81 Drops invisible ELF files 38->81 61 /usr/lib/.e, ELF 40->61 dropped 83 Protects files from modification 42->83 85 Sample tries to set files in /etc globally writable 46->85 55 find rm 48->55         started        signatures15 process16 signatures17 87 Executes the "crontab" command typically for achieving persistence 50->87
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-10-19 03:07:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
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
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
File and Directory Permissions Modification
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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

Mirai

elf ccaf6b28b9fe286efa1533e0af5ce57dba11be068aee39e08d1ad5a7796d7d79

(this sample)

  
Delivery method
Distributed via web download

Comments