MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cef3bbc2c3ffc6f7b8b5a89d0494d219d5a08304f3f7436d702b139fa9859c50. 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: 6


Intelligence 6 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cef3bbc2c3ffc6f7b8b5a89d0494d219d5a08304f3f7436d702b139fa9859c50
SHA3-384 hash: b7a2b836ee641f618b54eec08646176932d75f4237292b71e12e77c3531850a1addd686b14833b8fe45a1bf2e70dc230
SHA1 hash: 9d0206e8f30f06c2eddd6ec5d466afcddeb18e0c
MD5 hash: a645ccd24bc04c1b66756c6d14fbfdca
humanhash: floor-india-table-earth
File name:i486
Download: download sample
Signature Mirai
Create hunting rule
File size:124'140 bytes
First seen:2026-08-23 03:02:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Vccb5ru4o+tsin3lBLgnl87zPMBiTQW6Xz7bJz+VXF:JuhCnw83Pgd1z6
TLSH T16BC36B06F783E0F0D95A06B1115BEB394A31DD321025DE6BDBE4FDB6AC32642A51A37C
telfhash t1e15125b9aee40ce87bd09805d1cf2771da2db63f354039b60bf16a9433b66016176c39
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a29c5b31347714fd1e7470ade9d5fffc183ff86029969dcf313729fe7292f310
File size (compressed) :61'984 bytes
File size (de-compressed) :124'140 bytes
Format:linux/i386
Packed file: a29c5b31347714fd1e7470ade9d5fffc183ff86029969dcf313729fe7292f310

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.DDoS.2637.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10060415-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Runs as daemon
Creating a process from a recently created file
Deleting a recently created file
Connection attempt
Sets a file as executable
Kills processes
Locks files
Collects information on the CPU
Launching a process
Deletes a file
Kills critical processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6a8a62f78ef319e24c598f2f/reports/5bf0107b-d7c0-46a2-bc89-eb161170d441/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/49691fae-b8e4-457a-9073-55341f378f1b
Behavior Graph:
Download SVG
%3 guuid=ebbbcdd6-1800-0000-e8c6-6cb4390c0000 pid=3129 /usr/bin/sudo guuid=a2051dda-1800-0000-e8c6-6cb43f0c0000 pid=3135 /tmp/sample.bin guuid=ebbbcdd6-1800-0000-e8c6-6cb4390c0000 pid=3129->guuid=a2051dda-1800-0000-e8c6-6cb43f0c0000 pid=3135 execve guuid=3798e8dc-1800-0000-e8c6-6cb4400c0000 pid=3136 /tmp/sample.bin guuid=a2051dda-1800-0000-e8c6-6cb43f0c0000 pid=3135->guuid=3798e8dc-1800-0000-e8c6-6cb4400c0000 pid=3136 clone guuid=b3f25add-1800-0000-e8c6-6cb4410c0000 pid=3137 memfd:262170220 write-file zombie guuid=3798e8dc-1800-0000-e8c6-6cb4400c0000 pid=3136->guuid=b3f25add-1800-0000-e8c6-6cb4410c0000 pid=3137 execve guuid=b3f25add-1800-0000-e8c6-6cb4410c0000 pid=3138 /tmp/sample.bin guuid=b3f25add-1800-0000-e8c6-6cb4410c0000 pid=3137->guuid=b3f25add-1800-0000-e8c6-6cb4410c0000 pid=3138 clone guuid=0818bedd-1800-0000-e8c6-6cb4430c0000 pid=3139 /tmp/sample.bin guuid=b3f25add-1800-0000-e8c6-6cb4410c0000 pid=3137->guuid=0818bedd-1800-0000-e8c6-6cb4430c0000 pid=3139 clone guuid=d2d303de-1800-0000-e8c6-6cb4440c0000 pid=3140 /usr/sbin/xtables-nft-multi guuid=b3f25add-1800-0000-e8c6-6cb4410c0000 pid=3137->guuid=d2d303de-1800-0000-e8c6-6cb4440c0000 pid=3140 execve guuid=f878d8f2-1800-0000-e8c6-6cb45b0c0000 pid=3163 /usr/sbin/xtables-nft-multi guuid=b3f25add-1800-0000-e8c6-6cb4410c0000 pid=3137->guuid=f878d8f2-1800-0000-e8c6-6cb45b0c0000 pid=3163 execve guuid=bdc67ff3-1800-0000-e8c6-6cb45c0c0000 pid=3164 /tmp/sample.bin write-file guuid=b3f25add-1800-0000-e8c6-6cb4410c0000 pid=3137->guuid=bdc67ff3-1800-0000-e8c6-6cb45c0c0000 pid=3164 clone guuid=66c965f7-1800-0000-e8c6-6cb4600c0000 pid=3168 memfd:262170220 guuid=b3f25add-1800-0000-e8c6-6cb4410c0000 pid=3137->guuid=66c965f7-1800-0000-e8c6-6cb4600c0000 pid=3168 clone guuid=37bc74f7-1800-0000-e8c6-6cb4610c0000 pid=3169 memfd:262170220 delete-file net write-file zombie guuid=66c965f7-1800-0000-e8c6-6cb4600c0000 pid=3168->guuid=37bc74f7-1800-0000-e8c6-6cb4610c0000 pid=3169 clone 43107d06-e1b8-559a-8721-01616c7cb4c1 83.168.69.141:9482 guuid=37bc74f7-1800-0000-e8c6-6cb4610c0000 pid=3169->43107d06-e1b8-559a-8721-01616c7cb4c1 con guuid=37bc74f7-1800-0000-e8c6-6cb4610c0000 pid=3171 memfd:262170220 zombie guuid=37bc74f7-1800-0000-e8c6-6cb4610c0000 pid=3169->guuid=37bc74f7-1800-0000-e8c6-6cb4610c0000 pid=3171 clone guuid=0c6996f7-1800-0000-e8c6-6cb4640c0000 pid=3172 memfd:262170220 guuid=37bc74f7-1800-0000-e8c6-6cb4610c0000 pid=3169->guuid=0c6996f7-1800-0000-e8c6-6cb4640c0000 pid=3172 clone guuid=7a16b6f7-1800-0000-e8c6-6cb4650c0000 pid=3173 /usr/sbin/xtables-nft-multi guuid=37bc74f7-1800-0000-e8c6-6cb4610c0000 pid=3169->guuid=7a16b6f7-1800-0000-e8c6-6cb4650c0000 pid=3173 execve guuid=41b6b3f8-1800-0000-e8c6-6cb4670c0000 pid=3175 /usr/sbin/xtables-nft-multi guuid=37bc74f7-1800-0000-e8c6-6cb4610c0000 pid=3169->guuid=41b6b3f8-1800-0000-e8c6-6cb4670c0000 pid=3175 execve guuid=e21bccfa-1800-0000-e8c6-6cb46c0c0000 pid=3180 memfd:262170220 write-file guuid=37bc74f7-1800-0000-e8c6-6cb4610c0000 pid=3169->guuid=e21bccfa-1800-0000-e8c6-6cb46c0c0000 pid=3180 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4eb9e795-fb75-4547-a88c-58ff65dd149b
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cef3bbc2c3ffc6f7b8b5a89d0494d219d5a08304f3f7436d702b139fa9859c50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cef3bbc2c3ffc6f7b8b5a89d0494d219d5a08304f3f7436d702b139fa9859c50/
Threat name:
Linux.Trojan.FlyLegitBot
Create hunting rule
Status:
Malicious
First seen:
2026-08-23 03:03:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z3z3xqwd77dppofvvcoqjfgsdhk2baye6p3ug3lqfmjz7kmftria._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery linux
Link:
https://tria.ge/reports/260823-dj6avsdp51/
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Checks hardware identifiers (DMI)
Enumerates running processes
Deletes itself
Runs EXE from memory
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/cef3bbc2c3ffc6f7b8b5a89d0494d219d5a08304f3f7436d702b139fa9859c50

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_3a56423b
Create hunting rule
Author:Elastic Security
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:virustotal
Create hunting rule
Author:Tracel
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 a29c5b31347714fd1e7470ade9d5fffc183ff86029969dcf313729fe7292f310

Mirai

elf cef3bbc2c3ffc6f7b8b5a89d0494d219d5a08304f3f7436d702b139fa9859c50

(this sample)

  
Dropped by
SHA256 a29c5b31347714fd1e7470ade9d5fffc183ff86029969dcf313729fe7292f310
  
URLhaus
https://urlhaus.abuse.ch/url/3893629/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 2477fae010693c81b980320ad2b40300

Comments