MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb818e66ab8cd4e897182062ec34ce72dec27283c532393fb72b262a9f877b82. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb818e66ab8cd4e897182062ec34ce72dec27283c532393fb72b262a9f877b82
SHA3-384 hash: 4f0f6f6a44267036044ef6c1a918f85a709855f5280385a90746d56f286bac64759c58b5c9c6606df14a2b21989483cc
SHA1 hash: e8812ec7ac1d50e3a0130ec83a4c251db4cef207
MD5 hash: 34984096a8a5a199f5cd5a1df8be0b35
humanhash: sixteen-oven-burger-kilo
File name:Polar.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:24'800 bytes
First seen:2026-03-23 21:25:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:drBZM9NVmKhBW4p6NBVgDe8pY1VjAsZ30kiIIiMfzdvRC5lljVv/MhymdGUop5hw:d1ZIYXFGeK0qkilvfzdJC/ss3Uoz9s
TLSH T1E5B2D1B483C6B905E2B01D318A31B3C6544541ECD2E730236264533BF3DA66B65B968B
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 UPX
File size (compressed) :24'800 bytes
File size (de-compressed) :52'476 bytes
Format:linux/arm
Unpacked file: 1d37424bd4cbb269100d1e708f0e47bce99f5b0c5bb53a00d2365d89afa2a189

Intelligence

File Origin
# of uploads :
1
# of downloads :
43
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5e3d20be-7cc2-44bb-8c9f-bc03799a733d/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8274771-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/69c1aff42000fc76c3fa95bb/reports/c8b415c2-c87e-4a7a-a932-24b5cdfdf767/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/bb818e66ab8cd4e897182062ec34ce72dec27283c532393fb72b262a9f877b82
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2982a227-2458-47e8-91ad-b742e2048eb3
Behavior Graph:
Download SVG
%3 guuid=baba1749-1a00-0000-4e1d-2563d4080000 pid=2260 /usr/bin/sudo guuid=027afa4b-1a00-0000-4e1d-2563d7080000 pid=2263 /tmp/sample.bin guuid=baba1749-1a00-0000-4e1d-2563d4080000 pid=2260->guuid=027afa4b-1a00-0000-4e1d-2563d7080000 pid=2263 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/af7107da-9756-44c2-91d0-59431e2f62f7
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1887904
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bb818e66ab8cd4e897182062ec34ce72dec27283c532393fb72b262a9f877b82
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb818e66ab8cd4e897182062ec34ce72dec27283c532393fb72b262a9f877b82/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-23 21:26:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xoay4zvlrtkorfyyebroyngoolpme4udyuzdsp5xfmtcvh4hpoba._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260323-z99lvsez6x/
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf bb818e66ab8cd4e897182062ec34ce72dec27283c532393fb72b262a9f877b82

(this sample)

Mirai

elf 1d37424bd4cbb269100d1e708f0e47bce99f5b0c5bb53a00d2365d89afa2a189

  
URLhaus
https://urlhaus.abuse.ch/url/3711492/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 1d37424bd4cbb269100d1e708f0e47bce99f5b0c5bb53a00d2365d89afa2a189
  
Dropping
MD5 a65a01a16d125e903222d7c6a41d9ee6

Comments