MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efb8fbd919f6367e2d72fe9069cbbabb368fcf73b44b3db7cf281fc01acf023b. 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: 4


Intelligence 4 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efb8fbd919f6367e2d72fe9069cbbabb368fcf73b44b3db7cf281fc01acf023b
SHA3-384 hash: 4a684af5605b46040c5d31d5862d668e8c34f543b948c30102244c2f096046ccd84873eb85ec4c4ad1a08146ca688cb4
SHA1 hash: 950ecb81ed50d5fc5792d2c41bf221e1bac130ad
MD5 hash: 2f8d7e6567142ca28e6353e30000f310
humanhash: spring-montana-kentucky-steak
File name:daredevil.mipsrouter
Download: download sample
Signature Mirai
Create hunting rule
File size:190'124 bytes
First seen:2026-08-21 10:33:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ygI/DvjM5KgNg4yV2EI2vYu7gKc+JVMdFJMeN9soWTQGT5PTi0uxSHll/RF:lI/b4PUYu7gKc+Dsz/soWb9duxSHTJF
TLSH T11704A75E6E129F7DF36887344BB39E25A76D23D523E0D684E2ACC1105E2029E541FFE8
telfhash t14b41a2180a7417f4a3395d8d159def77e6a330df3e265c338e11e86aab699834d00c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b57122deeb0d9a4a2d8cbff684303254b039a6dabe3e9bcb1b077378376a73cc
File size (compressed) :58'168 bytes
File size (de-compressed) :190'124 bytes
Format:linux/mips
Packed file: b57122deeb0d9a4a2d8cbff684303254b039a6dabe3e9bcb1b077378376a73cc

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
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
Kills processes
Connection attempt
Runs as daemon
Creating a file
Traces processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm bash lolbin
Link:
https://www.filescan.io/uploads/6a8829af6304c65efd5accfe/reports/30a1a20b-22ae-45c7-8957-52e42c2ef59a/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2b923617-9912-4026-ad75-773839b90e24
Behavior Graph:
Download SVG
%3 guuid=bdab26a3-1c00-0000-207a-c9d5ea080000 pid=2282 /usr/bin/sudo guuid=a5e93ea7-1c00-0000-207a-c9d5ef080000 pid=2287 /tmp/sample.bin guuid=bdab26a3-1c00-0000-207a-c9d5ea080000 pid=2282->guuid=a5e93ea7-1c00-0000-207a-c9d5ef080000 pid=2287 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6d64270b-5bb7-4549-a4f8-87d8e6d0e751
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/efb8fbd919f6367e2d72fe9069cbbabb368fcf73b44b3db7cf281fc01acf023b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efb8fbd919f6367e2d72fe9069cbbabb368fcf73b44b3db7cf281fc01acf023b/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=564pxwiz6y3h4lls72igts52xm3i7t3twrft3n6pfap4agwpai5q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery
Link:
https://tria.ge/reports/260821-ml9kqsyakf/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Checks hardware identifiers (DMI)
Traces itself
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/efb8fbd919f6367e2d72fe9069cbbabb368fcf73b44b3db7cf281fc01acf023b

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: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: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 b57122deeb0d9a4a2d8cbff684303254b039a6dabe3e9bcb1b077378376a73cc

Mirai

elf efb8fbd919f6367e2d72fe9069cbbabb368fcf73b44b3db7cf281fc01acf023b

(this sample)

  
Dropped by
SHA256 b57122deeb0d9a4a2d8cbff684303254b039a6dabe3e9bcb1b077378376a73cc
  
URLhaus
https://urlhaus.abuse.ch/url/3906516/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3906526/
  
Dropped by
MD5 e342faf268e2d699c86ddcbf4b39b3eb

Comments