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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf4e5f21c3eddb747f54ee6e0f3bdbc77310b287cee499535c6d79570485ef3c. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf4e5f21c3eddb747f54ee6e0f3bdbc77310b287cee499535c6d79570485ef3c
SHA3-384 hash: 231b0635abed0001bb5262958da77b3015ce8d3330dae80074577d3d0126bfdd1b1ea2fc9f8f1a378192f964e111b95d
SHA1 hash: 5c2cbada8bdde3cb87ec6526597cdfc3e3909798
MD5 hash: 8ac73c464d0e8054438f6d4e030cda65
humanhash: autumn-march-queen-fourteen
File name:main_x86
Download: download sample
Signature Mirai
Create hunting rule
File size:93'100 bytes
First seen:2026-09-18 23:33:18 UTC
Last seen:2026-09-19 09:24:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:TeLXmjgFcwOBFVSc9ouBM/ccDyzYEInmUR7ZskVyKl6SyXjm:ToXmjgeDBFLauBM/AFI9Zp0syq
TLSH T1BA936DC4F683D0F2E85745B56476E33A6B33E43A102DEE8BC7299936DC91910DA173AC
telfhash t1765125f72e2b4ce873e46840c31a6a91295ad377196032f745b35ca432ebdc040abc3a
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 :
64
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b9567b2d-cbd6-4ffd-a567-56dd27ef744c/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Creating a file
Traces processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/6aadca85e4f0059a277168f1/reports/bc7aa273-777e-4319-9a22-6b4b01468cec/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/bf4e5f21c3eddb747f54ee6e0f3bdbc77310b287cee499535c6d79570485ef3c
Behaviour
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-18T18:52:00Z UTC
Last seen:
2026-09-19T22:26:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bf4e5f21c3eddb747f54ee6e0f3bdbc77310b287cee499535c6d79570485ef3c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2202c054-52be-4d4f-b48d-c288c91683b9
Behavior Graph:
Download SVG
%3 guuid=fdd6146b-1e00-0000-8111-ea9dd5080000 pid=2261 /usr/bin/sudo guuid=2b8f3d6f-1e00-0000-8111-ea9ddc080000 pid=2268 /tmp/sample.bin delete-file net guuid=fdd6146b-1e00-0000-8111-ea9dd5080000 pid=2261->guuid=2b8f3d6f-1e00-0000-8111-ea9ddc080000 pid=2268 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2b8f3d6f-1e00-0000-8111-ea9ddc080000 pid=2268->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=cf429f6f-1e00-0000-8111-ea9ddd080000 pid=2269 /tmp/sample.bin dns net send-data zombie guuid=2b8f3d6f-1e00-0000-8111-ea9ddc080000 pid=2268->guuid=cf429f6f-1e00-0000-8111-ea9ddd080000 pid=2269 clone guuid=cf429f6f-1e00-0000-8111-ea9ddd080000 pid=2269->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 270B 884b2e25-50f2-5214-a9c5-fcae608965e2 1312x.sbs:1995 guuid=cf429f6f-1e00-0000-8111-ea9ddd080000 pid=2269->884b2e25-50f2-5214-a9c5-fcae608965e2 send: 4B guuid=6614bf6f-1e00-0000-8111-ea9dde080000 pid=2270 /tmp/sample.bin guuid=cf429f6f-1e00-0000-8111-ea9ddd080000 pid=2269->guuid=6614bf6f-1e00-0000-8111-ea9dde080000 pid=2270 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/422902a2-33e1-4e80-bee5-a2986560a00c
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf4e5f21c3eddb747f54ee6e0f3bdbc77310b287cee499535c6d79570485ef3c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf4e5f21c3eddb747f54ee6e0f3bdbc77310b287cee499535c6d79570485ef3c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-09-18 23:34:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x5hf6iod5xnxi72u5zxa6o63y5zrbmuhz3sjsu24nv4vobef546a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux
Link:
https://tria.ge/reports/260918-3kkszsvt8n/
Behaviour
Writes file to tmp directory
Changes its process name
Deletes itself
Traces itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/bf4e5f21c3eddb747f54ee6e0f3bdbc77310b287cee499535c6d79570485ef3c

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:elf_persirai_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.persirai.
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_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 bf4e5f21c3eddb747f54ee6e0f3bdbc77310b287cee499535c6d79570485ef3c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3918689/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3918685/

Comments