MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcaef1b71107e674191b9fbaf42edfb71c56c8155df6a6994c8f9355f2a0f985. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcaef1b71107e674191b9fbaf42edfb71c56c8155df6a6994c8f9355f2a0f985
SHA3-384 hash: 17f0416dfd6875311fd550759920fb3050eef35bb71ca0f55cd31c50f05d02a573d0bc00c0a1b1e0a16b9d79829d7d34
SHA1 hash: 472ad05d1068b88f273d98231d91febcc94b639f
MD5 hash: 3351a3139e956221d31afe9a5f477748
humanhash: mockingbird-muppet-alaska-comet
File name:zero.mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:190'796 bytes
First seen:2026-06-11 14:42:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:v4kFjoJY5KDOn5Khs8TuE1FLR1f194hwTsz+rc8ItEh:v4kFjoJMuO5KuA3F11f19yVzH8iE
TLSH T15C14D70A6F610FFBDCABDD3706E90B0229CC645722A43B363674D928F54B64B59D3C68
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 5fbe02421d2a64401d7fa66a68dbc0833cd405512331a64919fb831887a5d5fa
File size (compressed) :58'012 bytes
File size (de-compressed) :190'796 bytes
Format:linux/mipsel
Packed file: 5fbe02421d2a64401d7fa66a68dbc0833cd405512331a64919fb831887a5d5fa

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/76b3c314-d5d0-4fdc-8932-1c1ec880549e/
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/6a2ac9931f652d6865786bec/reports/0dc8f292-0df7-4568-b3d1-043be26928bb/overview
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/fcaef1b71107e674191b9fbaf42edfb71c56c8155df6a6994c8f9355f2a0f985/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/56d53e50-907b-417f-8a76-20f0f6c00cfd
Behavior Graph:
Download SVG
%3 guuid=5d3048b1-1800-0000-79fe-c37df9080000 pid=2297 /usr/bin/sudo guuid=52ce72b3-1800-0000-79fe-c37dfb080000 pid=2299 /tmp/sample.bin guuid=5d3048b1-1800-0000-79fe-c37df9080000 pid=2297->guuid=52ce72b3-1800-0000-79fe-c37dfb080000 pid=2299 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f636aca9-9018-451f-b230-e692e80fa257
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fcaef1b71107e674191b9fbaf42edfb71c56c8155df6a6994c8f9355f2a0f985
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fcaef1b71107e674191b9fbaf42edfb71c56c8155df6a6994c8f9355f2a0f985/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7sxpdnyra7thigi3t65pilw7w4ofnsavlx3kngkmr6jvl4va7gcq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery
Link:
https://tria.ge/reports/260611-r3vkcsgy2j/
Behaviour
System Network Configuration Discovery
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
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/fcaef1b71107e674191b9fbaf42edfb71c56c8155df6a6994c8f9355f2a0f985

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_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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/

File information

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

Web download

Mirai

elf 5fbe02421d2a64401d7fa66a68dbc0833cd405512331a64919fb831887a5d5fa

Mirai

elf fcaef1b71107e674191b9fbaf42edfb71c56c8155df6a6994c8f9355f2a0f985

(this sample)

  
Dropped by
SHA256 5fbe02421d2a64401d7fa66a68dbc0833cd405512331a64919fb831887a5d5fa
  
URLhaus
https://urlhaus.abuse.ch/url/3857192/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 44e7217424d6ca387450557c020cbc3f

Comments