MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21821fb4e8d9ad7830f7027f1c0ec343502a82d81b87f06810a4f001b4d8f914. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21821fb4e8d9ad7830f7027f1c0ec343502a82d81b87f06810a4f001b4d8f914
SHA3-384 hash: f9e32185dcfc414d4d535e3b8f55a63bd64b9461d1b8386162cdd45edf41bcd9fc990d3d37ca0c164a6d9f7d1b1de0ff
SHA1 hash: 7b9833491e2e95d63fd09ef0ae4970f6c3345fa8
MD5 hash: c4e9a6c2deb2245bb213aa5aeb5ac374
humanhash: vermont-cola-ceiling-shade
File name:harm6
Download: download sample
Signature Mirai
Create hunting rule
File size:19'584 bytes
First seen:2026-01-19 16:16:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:nMDyZq1eMBnKEaBnYnEko8yg8siOdmsF7UmBHz9qmdGUPeCZdvgZ3h2WLuaFyzDq:1Zq0MIBn4om8s7mKoQJq3U74Z4iLP
TLSH T17E92BE60E456DA90C5220C3DED3F0106E3DF16F4E1EAB866274C0711EDF256B6AF8A96
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 :
41
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.DarkNexus-7679166-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/696e58e155805a763fe8f320/reports/ef4c09f2-4bc0-41aa-a400-8c4444ffd8ea/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-19T13:32:00Z UTC
Last seen:
2026-01-20T12:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/21821fb4e8d9ad7830f7027f1c0ec343502a82d81b87f06810a4f001b4d8f914/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9fddbce8-7055-4f9d-9859-d6d674f61402
Behavior Graph:
Download SVG
%3 guuid=6649ce2d-1a00-0000-4869-af80760a0000 pid=2678 /usr/bin/sudo guuid=bcc43430-1a00-0000-4869-af80800a0000 pid=2688 /tmp/sample.bin guuid=6649ce2d-1a00-0000-4869-af80760a0000 pid=2678->guuid=bcc43430-1a00-0000-4869-af80800a0000 pid=2688 execve
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1f7e0b62-768d-4bc1-9a40-f479bee4a671
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1853513
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21821fb4e8d9ad7830f7027f1c0ec343502a82d81b87f06810a4f001b4d8f914
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21821fb4e8d9ad7830f7027f1c0ec343502a82d81b87f06810a4f001b4d8f914/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-19 16:17:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=egbb7nhi3gwxqmhxaj7rydwdinicvawydod7a2aqutyadngy7eka._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/260119-tq3rbagv8b/
Behaviour
Reads runtime system information
Verdict:
Malicious
Tags:
Unix.Trojan.DarkNexus-7679166-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c1dd8b04-d5a6-47bf-8902-b11e7d7a2d91
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/21821fb4e8d9ad7830f7027f1c0ec343502a82d81b87f06810a4f001b4d8f914

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:upx_antiunpack_elf32
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information

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

Web download

Mirai

elf 21821fb4e8d9ad7830f7027f1c0ec343502a82d81b87f06810a4f001b4d8f914

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3760353/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3760373/
  
URLhaus
https://urlhaus.abuse.ch/url/3760378/

Comments