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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bca1a1ab6f8af45dc8b855a33d9fd8bd1e2658903428933a23ddd266a94cd293. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bca1a1ab6f8af45dc8b855a33d9fd8bd1e2658903428933a23ddd266a94cd293
SHA3-384 hash: ed0d5d8aa810688b26e33a0c76fced68548ad52b288a940c9a371d23fde13fd72e405d345f164f7a75db08a05a470e41
SHA1 hash: 84204134091e117a90a34af0ed82bd8761b75b79
MD5 hash: 346a823dfd25c9ca3627aea29290b010
humanhash: hawaii-failed-finch-video
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:122'936 bytes
First seen:2026-08-01 01:28:30 UTC
Last seen:2026-08-01 19:54:37 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:X+hsbaO4pi43PhWlrlHfC5RK4V7l7BT/pHqQeB/deMWVbWe8lhX98EMO5:uSd4p5pe1fr4f5pHqQC1eMWVWDXOEF
TLSH T1ACC35A63CC296E6CC664D6B5B0708F792B53A661914B5FBE187BC3788083C8DF6057B8
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 :
108
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.DDoS.2637.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-10060415-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
dropper mirai
Link:
https://www.filescan.io/uploads/6a6d4bf08b0ab355a2418018/reports/b224475c-0ca6-48f5-af88-fdf599e75aee/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-31T23:46:00Z UTC
Last seen:
2026-08-02T20:59:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bca1a1ab6f8af45dc8b855a33d9fd8bd1e2658903428933a23ddd266a94cd293/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/dc49c379-2a41-4724-a531-60b8c36b2e2c
Behavior Graph:
Download SVG
%3 guuid=95fd4381-1a00-0000-42ce-1672f20d0000 pid=3570 /usr/bin/sudo guuid=8a9d3085-1a00-0000-42ce-1672f70d0000 pid=3575 /tmp/sample.bin guuid=95fd4381-1a00-0000-42ce-1672f20d0000 pid=3570->guuid=8a9d3085-1a00-0000-42ce-1672f70d0000 pid=3575 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c59e899e-b54e-4ec6-a96e-a83fcb03c9d0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1950887
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1950887 Sample: sh4.elf Startdate: 01/08/2026 Architecture: LINUX Score: 68 17 83.168.69.141, 43114, 43116, 43118 SKYPASS-ASPL Poland 2->17 19 daisy.ubuntu.com 2->19 21 Antivirus / Scanner detection for submitted sample 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected Mirai 2->25 8 sh4.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 sh4.elf 8->12         started        process6 14 sh4.elf 12->14         started        signatures7 27 Sample deletes itself 14->27
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bca1a1ab6f8af45dc8b855a33d9fd8bd1e2658903428933a23ddd266a94cd293
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bca1a1ab6f8af45dc8b855a33d9fd8bd1e2658903428933a23ddd266a94cd293/
Threat name:
Linux.Trojan.FlyLegitBot
Create hunting rule
Status:
Malicious
First seen:
2026-08-01 01:29:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xsq2dk3prl2f3sfykwrt3h6yxupcmweqgqujgord3xjgnkkm2kjq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260801-bwd12avdlb/
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/bca1a1ab6f8af45dc8b855a33d9fd8bd1e2658903428933a23ddd266a94cd293

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:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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 bca1a1ab6f8af45dc8b855a33d9fd8bd1e2658903428933a23ddd266a94cd293

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3893791/
  
Delivery method
Distributed via web download

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