MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efcac976366347028ee6ecb7f67b511d889dfbfff1e1bf050b77756aef0ff707. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efcac976366347028ee6ecb7f67b511d889dfbfff1e1bf050b77756aef0ff707
SHA3-384 hash: 9ffcc03d46030d00158a4c0e48d37b0c21542b94b01db1acdb81305f4a048a50608380492788930c9d91190a436f323c
SHA1 hash: ae544516da9d182eeb3686fd61089422fc02bf60
MD5 hash: 9ce953f6c6e84ee67a626da8ab0a22bd
humanhash: mike-west-robin-kitten
File name:data.mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:144'152 bytes
First seen:2026-02-14 13:46:08 UTC
Last seen:2026-02-15 00:08:59 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:oVEJIADaJdMTWtCyQ7lT0kG0ktNq1DHrO8VAIQo1aMmTQpAwXgtAs5OE4Gsr59G3:NTYFe9vktMFHqUZDp2b4Gdg0YRoTpBx
TLSH T10BE3C70AAF610FB7DCABDC7706E90B1135CCA91B25A43B757534E818B64A18B19E3C78
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-78.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Launching a process
Runs as daemon
DNS request
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash gcc lolbin
Link:
https://www.filescan.io/uploads/69907cacb6bd365f0a6b8e8b/reports/47e9c5e7-a5ee-4025-9b8b-a5096e21deae/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/efcac976366347028ee6ecb7f67b511d889dfbfff1e1bf050b77756aef0ff707
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/efcac976366347028ee6ecb7f67b511d889dfbfff1e1bf050b77756aef0ff707/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/137d1166-6c94-4c10-b7b1-0549f657f8ea
Behavior Graph:
Download SVG
%3 guuid=a448d352-1800-0000-e949-aa84eb080000 pid=2283 /usr/bin/sudo guuid=01bcde54-1800-0000-e949-aa84ee080000 pid=2286 /tmp/sample.bin guuid=a448d352-1800-0000-e949-aa84eb080000 pid=2283->guuid=01bcde54-1800-0000-e949-aa84ee080000 pid=2286 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8309d213-cf62-4d83-9a53-774bbdef8969
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/efcac976366347028ee6ecb7f67b511d889dfbfff1e1bf050b77756aef0ff707
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/efcac976366347028ee6ecb7f67b511d889dfbfff1e1bf050b77756aef0ff707/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-14 13:46:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57fms5rwmndqfdxg5s37m62rdwej36776hq36bilo52wv3yp64dq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/260214-q24k7sdy2b/
Behaviour
System Network Configuration Discovery
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/efcac976366347028ee6ecb7f67b511d889dfbfff1e1bf050b77756aef0ff707

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_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
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 efcac976366347028ee6ecb7f67b511d889dfbfff1e1bf050b77756aef0ff707

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3776709/
  
Delivery method
Distributed via web download

Comments