MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5f6fe226289a3f9cb5d83db63a2fdbf0024f61ac7b893b670129813e9fa0a08. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d5f6fe226289a3f9cb5d83db63a2fdbf0024f61ac7b893b670129813e9fa0a08
SHA3-384 hash: 588938115cca6562f833a3753a7d582e538c288dd98c4bf04f974694aac798907268f1045e46a2882aa8c75b154a92d0
SHA1 hash: de842ea02e85a4187ae6ff1c641da5b2d16a4cb5
MD5 hash: c100cb6a6d077205d1d82498c6ba7107
humanhash: foxtrot-fourteen-montana-wisconsin
File name:Polar.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:64'584 bytes
First seen:2025-11-22 16:36:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:AYT67YiVSSwUH+NErR6IE5PNBrgrMa9AuyjYLrxMIlZhaUq:A8SYiTwV2rXER0rP9jLramLq
TLSH T15653121775AF8B76C4F79D341ECD0B10F110FEAA6A985B9A001C653A5BB7C84181BF93
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) :64'584 bytes
File size (de-compressed) :173'832 bytes
Format:linux/amd64
Unpacked file: a7b12788a63857534734c84e7beae3e117880f5f23087db8e0a9af476b10a23e

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Opens a port
Sends data to a server
DNS request
Connection attempt
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d5f6fe226289a3f9cb5d83db63a2fdbf0024f61ac7b893b670129813e9fa0a08
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-19T22:29:00Z UTC
Last seen:
2025-11-22T10:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d5f6fe226289a3f9cb5d83db63a2fdbf0024f61ac7b893b670129813e9fa0a08/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/12f0a5a5-b402-42a1-91c9-dbd6cea9467f
Behavior Graph:
Download SVG
%3 guuid=7b6c2943-1900-0000-7007-2dc7a5070000 pid=1957 /usr/bin/sudo guuid=bf923b45-1900-0000-7007-2dc7a9070000 pid=1961 /tmp/sample.bin mprotect-exec net guuid=7b6c2943-1900-0000-7007-2dc7a5070000 pid=1957->guuid=bf923b45-1900-0000-7007-2dc7a9070000 pid=1961 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=bf923b45-1900-0000-7007-2dc7a9070000 pid=1961->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e4fa2e46-1900-0000-7007-2dc7ad070000 pid=1965 /tmp/sample.bin guuid=bf923b45-1900-0000-7007-2dc7a9070000 pid=1961->guuid=e4fa2e46-1900-0000-7007-2dc7ad070000 pid=1965 clone guuid=104cbf70-1a00-0000-7007-2dc7090a0000 pid=2569 /tmp/sample.bin guuid=bf923b45-1900-0000-7007-2dc7a9070000 pid=1961->guuid=104cbf70-1a00-0000-7007-2dc7090a0000 pid=2569 clone guuid=fa45c570-1a00-0000-7007-2dc70a0a0000 pid=2570 /tmp/sample.bin net send-data zombie guuid=bf923b45-1900-0000-7007-2dc7a9070000 pid=1961->guuid=fa45c570-1a00-0000-7007-2dc70a0a0000 pid=2570 clone guuid=063f3a46-1900-0000-7007-2dc7ae070000 pid=1966 /tmp/sample.bin guuid=e4fa2e46-1900-0000-7007-2dc7ad070000 pid=1965->guuid=063f3a46-1900-0000-7007-2dc7ae070000 pid=1966 clone guuid=04794046-1900-0000-7007-2dc7af070000 pid=1967 /tmp/sample.bin net send-data zombie guuid=e4fa2e46-1900-0000-7007-2dc7ad070000 pid=1965->guuid=04794046-1900-0000-7007-2dc7af070000 pid=1967 clone guuid=04794046-1900-0000-7007-2dc7af070000 pid=1967->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1230B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=04794046-1900-0000-7007-2dc7af070000 pid=1967->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=fa45c570-1a00-0000-7007-2dc70a0a0000 pid=2570->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1230B guuid=fa45c570-1a00-0000-7007-2dc70a0a0000 pid=2570->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3d274a42-5caa-4e5e-9481-c1c427e2357c
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1819138
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819138 Sample: Polar.x86_64.elf Startdate: 22/11/2025 Architecture: LINUX Score: 72 22 lolzzmortex.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 34 Sample is packed with UPX 2->34 8 Polar.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Uses dynamic DNS services 22->36 process4 process5 12 Polar.x86_64.elf 8->12         started        14 Polar.x86_64.elf 8->14         started        16 Polar.x86_64.elf 8->16         started        process6 18 Polar.x86_64.elf 12->18         started        20 Polar.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d5f6fe226289a3f9cb5d83db63a2fdbf0024f61ac7b893b670129813e9fa0a08
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d5f6fe226289a3f9cb5d83db63a2fdbf0024f61ac7b893b670129813e9fa0a08/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-20 01:32:42 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2x3p4itcrgr7ts25qpnwhix5x4acj5q2y64jhntqckmbh2p2biea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251122-t44wjabj61/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
lolzzmortex.duckdns.org
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5384b4f3-5cc9-48c5-9454-9526717f8673
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/d5f6fe226289a3f9cb5d83db63a2fdbf0024f61ac7b893b670129813e9fa0a08

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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 d5f6fe226289a3f9cb5d83db63a2fdbf0024f61ac7b893b670129813e9fa0a08

(this sample)

Mirai

elf a7b12788a63857534734c84e7beae3e117880f5f23087db8e0a9af476b10a23e

  
URLhaus
https://urlhaus.abuse.ch/url/3714151/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a7b12788a63857534734c84e7beae3e117880f5f23087db8e0a9af476b10a23e
  
Dropping
MD5 39da296c3338d9608a31d58f676224f5
  
URLhaus
https://urlhaus.abuse.ch/url/3714923/

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