MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3f72893130017c64e475cc01e5f776cee9722c53287ca3dd36fb41fe8aac565. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3f72893130017c64e475cc01e5f776cee9722c53287ca3dd36fb41fe8aac565
SHA3-384 hash: 748d7f81aa84fa02fbb2c8ffa01f7eaaab8187a766004207aee45949c96d46323b38781088934e21d910fc175da33b86
SHA1 hash: a9dae198d38746ce4ccaa3694a15cfaa60e20eba
MD5 hash: 1a5f796fb4628167fa9881235be3ac03
humanhash: fourteen-south-tennis-william
File name:i686
Download: download sample
Signature Mirai
Create hunting rule
File size:160'742 bytes
First seen:2026-05-26 01:06:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:lsDdDDkCataz4k2NKgWvqk8P2AsetOSIy6zilC6aMxa27D9:lmMjNKgWvqfOEOSIy6zilC6aMxa27D9
TLSH T11DF32A41A656CAF3D4830FB512A757754A33E8295F2BDE05F32DBCF48E465CCB20A628
telfhash t110713354d43d09e9eeb35c19a8696be34993e12926f46b18ff56cdc0081f42df224d0f
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai.10456.3108.27470.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Creating a file in the %temp% subdirectories
Sets a written file as executable
Launching a process
Runs as daemon
Creates directories in a temporary directory
Removes directories
Manages services
Creating a file
Kills processes
Deletes a file
Collects information on the CPU
Deleting a recently created file
Changes access rights for a written file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Kills critical processes
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm gcc
Link:
https://www.filescan.io/uploads/6a15474612da0d249c57986b/reports/fa5f3751-476a-4e16-b33e-70d20ca444e9/overview
Verdict:
Unknown
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/c3f72893130017c64e475cc01e5f776cee9722c53287ca3dd36fb41fe8aac565/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/21e3668d-701b-42af-b73d-7793be28fd92
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1918357
Signature
Drops files in suspicious directories
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
Reads system files that contain records of logged in users
Sample is potentially a Mirai botnet sample
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
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: 1918357 Sample: i686.elf Startdate: 26/05/2026 Architecture: LINUX Score: 100 125 109.202.202.202, 80 INIT7CH Switzerland 2->125 127 91.189.91.42, 443 CANONICAL-ASGB United States 2->127 129 2 other IPs or domains 2->129 143 Multi AV Scanner detection for submitted file 2->143 145 Yara detected Mirai 2->145 147 Sample is potentially a Mirai botnet sample 2->147 11 i686.elf 2->11         started        13 systemd gdm3 2->13         started        15 systemd gdm3 2->15         started        17 79 other processes 2->17 signatures3 process4 signatures5 20 i686.elf 11->20         started        23 i686.elf 11->23         started        25 i686.elf sh 11->25         started        31 12 other processes 11->31 27 gdm3 gdm-session-worker 13->27         started        34 3 other processes 13->34 29 gdm3 gdm-session-worker 15->29         started        36 3 other processes 15->36 139 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->139 141 Reads system files that contain records of logged in users 17->141 38 42 other processes 17->38 process6 file7 149 Sample tries to kill multiple processes (SIGKILL) 20->149 40 i686.elf sh 20->40         started        52 39 other processes 20->52 42 i686.elf 23->42         started        54 3 other processes 25->54 46 gdm-session-worker gdm-wayland-session 27->46         started        48 gdm-session-worker gdm-wayland-session 29->48         started        115 /root/.bashrc, ASCII 31->115 dropped 117 /home/saturnino/.bashrc, ASCII 31->117 dropped 119 /etc/rc.local, ASCII 31->119 dropped 121 /etc/profile, ASCII 31->121 dropped 151 Sample tries to persist itself using /etc/profile 31->151 153 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 31->153 155 Sample tries to persist itself using System V runlevels 31->155 56 15 other processes 31->56 50 gdm-session-worker gdm-wayland-session 38->50         started        58 30 other processes 38->58 signatures8 process9 file10 62 3 other processes 40->62 105 /tmp/.system-lock/.locked, ASCII 42->105 dropped 157 Sample tries to kill multiple processes (SIGKILL) 42->157 66 8 other processes 42->66 68 2 other processes 46->68 70 2 other processes 48->70 72 2 other processes 50->72 74 123 other processes 52->74 107 /etc/init.d/botnet, POSIX 54->107 dropped 159 Sample tries to set files in /etc globally writable 54->159 161 Drops files in suspicious directories 54->161 163 Sample tries to persist itself using System V runlevels 54->163 60 update-rc.d systemctl 54->60         started        109 /var/spool/cron/crontabs/tmp.yRtGPO, ASCII 56->109 dropped 111 /var/spool/cron/crontabs/tmp.5srR31, ASCII 56->111 dropped 113 /usr/local/bin/botwatch, POSIX 56->113 dropped 165 Sample tries to persist itself using cron 56->165 167 Executes the "crontab" command typically for achieving persistence 56->167 76 5 other processes 56->76 78 4 other processes 58->78 signatures11 process12 file13 123 /var/spool/cron/crontabs/tmp.RZUTWU, ASCII 62->123 dropped 169 Sample tries to persist itself using cron 62->169 80 sh chattr 66->80         started        83 sh chattr 66->83         started        85 sh chattr 66->85         started        91 6 other processes 66->91 87 dbus-run-session dbus-daemon 68->87         started        89 dbus-daemon 68->89         started        93 2 other processes 70->93 171 Sample reads /proc/mounts (often used for finding a writable filesystem) 72->171 95 2 other processes 72->95 173 Executes the "crontab" command typically for achieving persistence 76->173 97 8 other processes 78->97 signatures14 process15 signatures16 131 Protects files from modification 80->131 133 Sample reads /proc/mounts (often used for finding a writable filesystem) 87->133 99 dbus-daemon false 89->99         started        135 Sample tries to kill multiple processes (SIGKILL) 91->135 137 Executes the "crontab" command typically for achieving persistence 91->137 101 dbus-daemon false 93->101         started        103 dbus-daemon false 95->103         started        process17
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c3f72893130017c64e475cc01e5f776cee9722c53287ca3dd36fb41fe8aac565
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3f72893130017c64e475cc01e5f776cee9722c53287ca3dd36fb41fe8aac565/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-05-26 01:07:33 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=yp3sreytaal4mtshltab4x3xntxjoiwfgkd4upotn62b72fkyvsq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm credential_access defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260526-bgwmjacx2z/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Modifies Bash startup script
Checks SCSI settings
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Write file to user bin folder
File and Directory Permissions Modification
Executes dropped EXE
OS Credential Dumping
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c3f72893130017c64e475cc01e5f776cee9722c53287ca3dd36fb41fe8aac565

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: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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:test_rule_vldslv
Create hunting rule
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 c3f72893130017c64e475cc01e5f776cee9722c53287ca3dd36fb41fe8aac565

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3850777/
  
Delivery method
Distributed via web download

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