MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b77e3309043d92a8269853e9d6c220b38e4c77f8a9fc08041f9a5e347902920d. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b77e3309043d92a8269853e9d6c220b38e4c77f8a9fc08041f9a5e347902920d
SHA3-384 hash: bb4579aa3147041d1ff13f8427d21c6dad0a503fbeadb2c1d076f389fdf1ab191ec4721ea39f936370c88dedb0f88df6
SHA1 hash: 2e3873a9b1a06a673500344ca117fa9eb6aa3419
MD5 hash: 8090be4ce85581cd4dea2dd60bca068d
humanhash: virginia-march-berlin-asparagus
File name:bot.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:133'888 bytes
First seen:2025-12-07 13:35:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zP8g2CSJG5mIOd34U1Al0Y1jAFrZ4V/3ETVO5bTa6MFjpChUDDl0+wywVFN+S4du:z0FGQ1qV1jI45ERO5bTKhpCyevQJ
TLSH T1ECD30845FC405F23C6D612BBFB5E428D3B2917E8D3EE720399256F21379A85B0D36A42
telfhash t1f8119baa4f981edc97f1ccc6c68f70293fa5714afb1620238a564b4fc5635c1b22b805
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
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c2c20c3e-3dd9-40fa-a4df-f1098a9bb187/
Detection(s):
Sanesecurity.Malware.28940.LC.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.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

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

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

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d93be9fa-1c6c-4075-85f0-1ba0a9ba60cb
Result
Threat name:
Mirai, Gafgyt, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1828363
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b77e3309043d92a8269853e9d6c220b38e4c77f8a9fc08041f9a5e347902920d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b77e3309043d92a8269853e9d6c220b38e4c77f8a9fc08041f9a5e347902920d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-07 13:36:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w57dgciehwjkqjuykpu5nqrawohey57yvh6aqba7tjpdi6icsigq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251207-qvyrdasmf1/
Malware Config
C2 Extraction:
master.0x504.com
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/4e7d869f-b730-450d-8a55-83c3fe484fb3
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/b77e3309043d92a8269853e9d6c220b38e4c77f8a9fc08041f9a5e347902920d

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 b77e3309043d92a8269853e9d6c220b38e4c77f8a9fc08041f9a5e347902920d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3728748/
  
Delivery method
Distributed via web download

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