MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66dafc3cb09abe2c44e7042c4eeb384c077ecd8fb93641d766a95223e2748e2e. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66dafc3cb09abe2c44e7042c4eeb384c077ecd8fb93641d766a95223e2748e2e
SHA3-384 hash: f37a1aa0874cb459bcba617d6a771f46c529805baf881ecc4a79c0b609404c29696d06d7a7a4784f862c2ef6eb8dd384
SHA1 hash: 40fd468c1296e50beaeaeeaf54d2d1faed75c905
MD5 hash: 24447ba9d807275970b1c5167855f67c
humanhash: shade-harry-carpet-mexico
File name:zerx86
Download: download sample
Signature Mirai
Create hunting rule
File size:79'028 bytes
First seen:2026-01-27 11:27:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:dZpO8UclbNFgB8LCZV8FwpUh2D6VdonKOEqELgBtl74jLBVoFOE+hBO+:dr/tN/gBy8rUY6DonvEqjl0ff2snD
TLSH T1EF734AC1A243D8F2ED580274603AF3377572CA7801B9FDE7F36856725425AA4A287B4F
telfhash t1ae21c4fa173a4ce867c02d00e21e9b607d4ee77b65a026a315b30424221fdc651bfd3a
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 :
1
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6978a177a57b6af70d0e8b57/reports/a6697d8c-2273-436e-80d3-70b3be3693a7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
43
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/66dafc3cb09abe2c44e7042c4eeb384c077ecd8fb93641d766a95223e2748e2e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/afbc1189-cac9-45fe-8168-bccebd2961bf
Behavior Graph:
Download SVG
%3 guuid=af17b32f-1a00-0000-53ca-57ae95080000 pid=2197 /usr/bin/sudo guuid=32e6c531-1a00-0000-53ca-57ae9c080000 pid=2204 /dev/shm/.systemd-timesyncd delete-file net write-file guuid=af17b32f-1a00-0000-53ca-57ae95080000 pid=2197->guuid=32e6c531-1a00-0000-53ca-57ae9c080000 pid=2204 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=32e6c531-1a00-0000-53ca-57ae9c080000 pid=2204->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=4479b334-1a00-0000-53ca-57aea5080000 pid=2213 /dev/shm/.systemd-timesyncd dns net send-data zombie guuid=32e6c531-1a00-0000-53ca-57ae9c080000 pid=2204->guuid=4479b334-1a00-0000-53ca-57aea5080000 pid=2213 clone guuid=4479b334-1a00-0000-53ca-57aea5080000 pid=2213->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 32B 0cdb843a-36c9-5fdc-9b15-134ffd0266f1 174.138.93.142:39691 guuid=4479b334-1a00-0000-53ca-57aea5080000 pid=2213->0cdb843a-36c9-5fdc-9b15-134ffd0266f1 send: 25B guuid=a1d6c434-1a00-0000-53ca-57aea6080000 pid=2214 /dev/shm/.systemd-timesyncd dns net send-data guuid=4479b334-1a00-0000-53ca-57aea5080000 pid=2213->guuid=a1d6c434-1a00-0000-53ca-57aea6080000 pid=2214 clone guuid=a1d6c434-1a00-0000-53ca-57aea6080000 pid=2214->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 28B f22fee75-ab34-540d-95fe-696883c6f4ad 130.12.180.64:80 guuid=a1d6c434-1a00-0000-53ca-57aea6080000 pid=2214->f22fee75-ab34-540d-95fe-696883c6f4ad send: 20B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1b166e14-53c6-48e0-b6f2-3da6cff63f20
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1858240
Signature
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1858240 Sample: zerx86.elf Startdate: 27/01/2026 Architecture: LINUX Score: 64 22 174.138.93.142, 39691, 42438 DIGITALOCEAN-ASNUS United States 2->22 24 130.12.180.64, 55434, 80 DATAHOPDatahop-SixDegreesGB Canada 2->24 26 4 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 8 zerx86.elf .systemd-resolved 2->8         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 file5 20 /dev/shm/.systemd-resolved, ELF 8->20 dropped 32 Drops invisible ELF files 8->32 34 Sample deletes itself 8->34 16 .systemd-resolved 8->16         started        signatures6 process7 process8 18 .systemd-resolved 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66dafc3cb09abe2c44e7042c4eeb384c077ecd8fb93641d766a95223e2748e2e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66dafc3cb09abe2c44e7042c4eeb384c077ecd8fb93641d766a95223e2748e2e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-27 11:28:49 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=m3npypfqtk7cyrhhaqwe52zyjqdx5tmpxe3edv3gvfjchyturyxa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260127-nldczacs4c/
Behaviour
Reads runtime system information
Writes file to shm directory
Enumerates running processes
Deletes itself
Executes dropped EXE
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/66dafc3cb09abe2c44e7042c4eeb384c077ecd8fb93641d766a95223e2748e2e

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:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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 66dafc3cb09abe2c44e7042c4eeb384c077ecd8fb93641d766a95223e2748e2e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739169/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739144/

Comments