MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f8bdb84dc492109558dce79037bd2811d3c6a2833ab870a08e6bdb0a7e3da3a. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f8bdb84dc492109558dce79037bd2811d3c6a2833ab870a08e6bdb0a7e3da3a
SHA3-384 hash: 4d58c745e9b50fe0f55d1557a34ec9c0ae820680f8a51b68d16002938dad5e8d97c85e233f562e7101a081e73841112d
SHA1 hash: e0ee8b2752189973d66a761df446715a8cb10cda
MD5 hash: 05feb71dd04a8c9f24f90582f91e602d
humanhash: winner-fillet-lamp-five
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:123'128 bytes
First seen:2025-12-29 23:34:58 UTC
Last seen:2025-12-30 16:07:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:NhMfGdGDwVj+Y9LcrMCbweKL6fE7y6kAsyfSqLe2WspAZx6Gy3:EfGhJcwCqLZUAsA3S2WGAZ0d
TLSH T11BC3F663ED66AF1AC517E1F0B1F28E781F42BD2A49571E99A472FAE04143CCCB5053B8
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 :
71
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Verdict:
Unknown
File Type:
elf.32.le
First seen:
2025-12-29T21:07:00Z UTC
Last seen:
2025-12-29T21:40:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9f8bdb84dc492109558dce79037bd2811d3c6a2833ab870a08e6bdb0a7e3da3a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9855601d-e5be-4c9a-8459-8749597e7a2f
Behavior Graph:
Download SVG
%3 guuid=90e497f4-1900-0000-db48-1a63ea080000 pid=2282 /usr/bin/sudo guuid=c735bdf6-1900-0000-db48-1a63ef080000 pid=2287 /tmp/sample.bin guuid=90e497f4-1900-0000-db48-1a63ea080000 pid=2282->guuid=c735bdf6-1900-0000-db48-1a63ef080000 pid=2287 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7775ecaf-1eaa-4faa-ac4b-3f5196029cd2
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.mine
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1841805
Signature
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841805 Sample: sh4.elf Startdate: 30/12/2025 Architecture: LINUX Score: 64 25 45.153.34.74, 51440, 8954 SKYLINKNL Germany 2->25 27 109.202.202.202, 80 INIT7CH Switzerland 2->27 29 4 other IPs or domains 2->29 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Mirai 2->35 8 sh4.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 37 Found strings related to Crypto-Mining 8->37 15 sh4.elf 8->15         started        19 sh4.elf 8->19         started        process6 file7 23 /etc/cron.d/.sysupdate, ASCII 15->23 dropped 31 Sample tries to persist itself using cron 15->31 21 sh4.elf 19->21         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9f8bdb84dc492109558dce79037bd2811d3c6a2833ab870a08e6bdb0a7e3da3a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9f8bdb84dc492109558dce79037bd2811d3c6a2833ab870a08e6bdb0a7e3da3a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 23:35:36 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=t6f5xbg4jeqqsvmnzz4qg66sqeoty2rigovyocqi4263bj7d3i5a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251229-3k9gcaxrhz/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/51075bf5-a0c5-4950-9a2d-41b316c087e2
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/9f8bdb84dc492109558dce79037bd2811d3c6a2833ab870a08e6bdb0a7e3da3a

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: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: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 9f8bdb84dc492109558dce79037bd2811d3c6a2833ab870a08e6bdb0a7e3da3a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3746092/
  
Delivery method
Distributed via web download

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