MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a866c5f3d560cc15bb35aeeadb834ce50be68694b467778f6cef38fdde61a9fa. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a866c5f3d560cc15bb35aeeadb834ce50be68694b467778f6cef38fdde61a9fa
SHA3-384 hash: efe80f992e61e512ead086aa98dd667449fe0b8a0e6bed43a3cfe350fb9b575370ed489d31f924778a4053e9984f8dc2
SHA1 hash: 3479e23b12b11b3a158e6bbf61a40dbd9d625504
MD5 hash: dfd07c10b8276ce31ea5120de87f6efa
humanhash: mountain-eight-steak-oxygen
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:156'208 bytes
First seen:2025-07-26 23:17:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:D9j9lkHW9c+PkK+02st1W10NiOLyaeH67yHtaTe/T96:5sWtXIQbiNMwT
TLSH T194E35C06B4C0E4FDC8D8C2744BDFA23ADA72F4591275B65F23C4AE266E8DF206B5D250
telfhash t153519b7029522e98b1d7f735b30fe9e4fc750a2818e274e1dda329d6de927c40c75062
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 :
22
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Runs as daemon
Sets a written file as executable
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6885623e13488cfd44d9c9b9/reports/20449460-d88e-4693-adae-82e2b00c6deb/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
125
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a866c5f3d560cc15bb35aeeadb834ce50be68694b467778f6cef38fdde61a9fa
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c504db5b-ffee-4ed5-8821-b253a73fcb24
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1744802
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744802 Sample: x86_64.elf Startdate: 27/07/2025 Architecture: LINUX Score: 100 35 89.116.20.194, 7074 LRTC-ASLT Lithuania 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for dropped file 2->41 43 4 other signatures 2->43 11 x86_64.elf 2->11         started        13 systemd journalctl 2->13         started        15 systemd systemd-journald 2->15         started        17 13 other processes 2->17 signatures3 process4 process5 19 x86_64.elf 11->19         started        process6 21 x86_64.elf 19->21         started        file7 31 /var/main, ELF 21->31 dropped 33 /etc/init.d/xs.main, POSIX 21->33 dropped 45 Sample tries to set files in /etc globally writable 21->45 47 Drops files in suspicious directories 21->47 49 Sample deletes itself 21->49 25 x86_64.elf 21->25         started        signatures8 process9 process10 27 x86_64.elf 25->27         started        process11 29 x86_64.elf 27->29         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a866c5f3d560cc15bb35aeeadb834ce50be68694b467778f6cef38fdde61a9fa
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a866c5f3d560cc15bb35aeeadb834ce50be68694b467778f6cef38fdde61a9fa/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/a866c5f3d560cc15bb35aeeadb834ce50be68694b467778f6cef38fdde61a9fa
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-26 23:18:23 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 34 (41.18%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vbtml46vmdgblozvv3vnxa2m4uf6nbuuwrtxpd3m544p3xtbvh5a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux persistence
Link:
https://tria.ge/reports/250726-3aetzsej5t/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363
Link:
https://app.threat.zone/submission/170914c3-cb8c-457f-83db-19197e3e820c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/a866c5f3d560cc15bb35aeeadb834ce50be68694b467778f6cef38fdde61a9fa

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:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
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 a866c5f3d560cc15bb35aeeadb834ce50be68694b467778f6cef38fdde61a9fa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3587330/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments