MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4887d3bd2122919343f1cd0d222deb98f1a652fceb4dc4746cef8a64ac84266. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e4887d3bd2122919343f1cd0d222deb98f1a652fceb4dc4746cef8a64ac84266
SHA3-384 hash: ab4db06d30349543e0725d5bc4ef3a5bca6a54ed68a91b9d2330f0ba59b0eda7586247e0f9834a8894841dc2e96f9146
SHA1 hash: a232051f7eda26f570ecf505b8cd8003243911a4
MD5 hash: a274b0cba5b630a565e6f6d21ecf1d60
humanhash: ten-friend-emma-kentucky
File name:Polar.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:55'416 bytes
First seen:2025-11-22 16:36:47 UTC
Last seen:2025-11-23 19:43:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:uyui2f1qHQ1vofWvAJINsy+VnxRd3aEd9ynouy8rya:uy72KoctJINcVnl35cout5
TLSH T18343F10ED2E5EA31A06D9EB310CA3CCE2931C89E5D10AE63E9C8375B5591745AC3C7D6
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) :55'416 bytes
File size (de-compressed) :135'820 bytes
Format:linux/i386
Unpacked file: 30d57095d1350a5ce05cceb497c862b7ac7b8910fd41d31cee69b542d187f2c8

Intelligence

File Origin
# of uploads :
3
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
DNS request
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/e4887d3bd2122919343f1cd0d222deb98f1a652fceb4dc4746cef8a64ac84266
Behaviour
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:
2025-11-19T22:33:00Z UTC
Last seen:
2025-11-23T10:24:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/e4887d3bd2122919343f1cd0d222deb98f1a652fceb4dc4746cef8a64ac84266/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cac8cdf4-7501-470a-8352-870d987ae92b
Behavior Graph:
Download SVG
%3 guuid=aab33874-1a00-0000-8c76-721bd1090000 pid=2513 /usr/bin/sudo guuid=81c5df76-1a00-0000-8c76-721bd9090000 pid=2521 /tmp/sample.bin net guuid=aab33874-1a00-0000-8c76-721bd1090000 pid=2513->guuid=81c5df76-1a00-0000-8c76-721bd9090000 pid=2521 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=81c5df76-1a00-0000-8c76-721bd9090000 pid=2521->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=6de6ad77-1a00-0000-8c76-721bdd090000 pid=2525 /tmp/sample.bin guuid=81c5df76-1a00-0000-8c76-721bd9090000 pid=2521->guuid=6de6ad77-1a00-0000-8c76-721bdd090000 pid=2525 clone guuid=7b1e4fa4-1b00-0000-8c76-721bc10b0000 pid=3009 /tmp/sample.bin guuid=81c5df76-1a00-0000-8c76-721bd9090000 pid=2521->guuid=7b1e4fa4-1b00-0000-8c76-721bc10b0000 pid=3009 clone guuid=189155a4-1b00-0000-8c76-721bc20b0000 pid=3010 /tmp/sample.bin net send-data zombie guuid=81c5df76-1a00-0000-8c76-721bd9090000 pid=2521->guuid=189155a4-1b00-0000-8c76-721bc20b0000 pid=3010 clone guuid=e878b677-1a00-0000-8c76-721bde090000 pid=2526 /tmp/sample.bin guuid=6de6ad77-1a00-0000-8c76-721bdd090000 pid=2525->guuid=e878b677-1a00-0000-8c76-721bde090000 pid=2526 clone guuid=27e3ba77-1a00-0000-8c76-721bdf090000 pid=2527 /tmp/sample.bin dns net send-data zombie guuid=6de6ad77-1a00-0000-8c76-721bdd090000 pid=2525->guuid=27e3ba77-1a00-0000-8c76-721bdf090000 pid=2527 clone guuid=27e3ba77-1a00-0000-8c76-721bdf090000 pid=2527->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 369B 835e2637-8ea8-5733-9bcd-e417a3d56db3 lolzzmortex.duckdns.org:69 guuid=27e3ba77-1a00-0000-8c76-721bdf090000 pid=2527->835e2637-8ea8-5733-9bcd-e417a3d56db3 send: 2B guuid=189155a4-1b00-0000-8c76-721bc20b0000 pid=3010->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1230B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=189155a4-1b00-0000-8c76-721bc20b0000 pid=3010->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a4ea15eb-bd11-40d2-8b7b-80ab983e012a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1819140
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819140 Sample: Polar.i686.elf Startdate: 22/11/2025 Architecture: LINUX Score: 64 26 lolzzmortex.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 6 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Sample is packed with UPX 2->36 8 Polar.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 Polar.i686.elf 8->16         started        18 Polar.i686.elf 8->18         started        20 Polar.i686.elf 8->20         started        process6 22 Polar.i686.elf 16->22         started        24 Polar.i686.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e4887d3bd2122919343f1cd0d222deb98f1a652fceb4dc4746cef8a64ac84266
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e4887d3bd2122919343f1cd0d222deb98f1a652fceb4dc4746cef8a64ac84266/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-20 01:31:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4seh2o6sciursnb7dtineiw6xghruzjpz22nyr2gz34kmswiijta._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-t44wjabj6z/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f189b3b3-34f8-4a16-9e09-974cd010bcca
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/e4887d3bd2122919343f1cd0d222deb98f1a652fceb4dc4746cef8a64ac84266

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 e4887d3bd2122919343f1cd0d222deb98f1a652fceb4dc4746cef8a64ac84266

(this sample)

Mirai

elf 30d57095d1350a5ce05cceb497c862b7ac7b8910fd41d31cee69b542d187f2c8

  
URLhaus
https://urlhaus.abuse.ch/url/3714163/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 30d57095d1350a5ce05cceb497c862b7ac7b8910fd41d31cee69b542d187f2c8
  
Dropping
MD5 e58cc4bc33b43995192669dd60a3e2c8
  
URLhaus
https://urlhaus.abuse.ch/url/3714914/

Comments