MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a270f9fb39eb9caa67daf5557ef8f9c39e8dccdef8a60f41d34aec9b0ee251b7. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a270f9fb39eb9caa67daf5557ef8f9c39e8dccdef8a60f41d34aec9b0ee251b7
SHA3-384 hash: 037c099783f383c9546860612ee2b070cf1bfab1c85a92235b4f24b6bc2e7f5a9c614bacd95842321a9328f53b1b2485
SHA1 hash: 85c4ea1b2d854b2e07cc8c7c798d45ce4ebb3cc0
MD5 hash: 6fe4ecf0ba082185321662b7bf6558b0
humanhash: don-october-bakerloo-two
File name:mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:219'904 bytes
First seen:2025-08-09 18:36:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:hBFPxdg/NqF5N6Cnej06ORaossEblivuWCMY/4xS6982:y1qFSN0fRaqE4VY/cS698
TLSH T14024B60A9F510EFBD8AFDD3706E90B0625CC650722A93B3A3674D924F64A94F49D3C78
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 :
1
# of downloads :
33
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-10056448-0
Create hunting rule

Unix.Trojan.Mirai-10056452-0
Create hunting rule

Unix.Trojan.Mirai-10056453-0
Create hunting rule

Unix.Trojan.Mirai-10056456-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Creating a file
Runs as daemon
Sets a written file as executable
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Kills critical processes
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin obfuscated remote threat
Link:
https://www.filescan.io/uploads/689795412fbe0788fb1cc997/reports/be65540d-256f-446e-839b-d705cf609132/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a270f9fb39eb9caa67daf5557ef8f9c39e8dccdef8a60f41d34aec9b0ee251b7
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b97728ef-7051-47dd-aaf2-8b4c5d63ff3a
Behavior Graph:
Download SVG
%3 guuid=7e50dbf5-1700-0000-ace3-d4dd530d0000 pid=3411 /usr/bin/sudo guuid=0a3c5df8-1700-0000-ace3-d4dd5a0d0000 pid=3418 /tmp/sample.bin guuid=7e50dbf5-1700-0000-ace3-d4dd530d0000 pid=3411->guuid=0a3c5df8-1700-0000-ace3-d4dd5a0d0000 pid=3418 execve guuid=736df1f9-1700-0000-ace3-d4dd5f0d0000 pid=3423 /usr/bin/dash guuid=0a3c5df8-1700-0000-ace3-d4dd5a0d0000 pid=3418->guuid=736df1f9-1700-0000-ace3-d4dd5f0d0000 pid=3423 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c6231b68-176c-48ed-92f0-8c6f76846155
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1753825
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1753825 Sample: mipsel.elf Startdate: 09/08/2025 Architecture: LINUX Score: 100 29 169.254.169.254, 80 USDOSUS Reserved 2->29 31 92.113.21.114, 5050 UKRTELNETUA Ukraine 2->31 33 4 other IPs or domains 2->33 35 Found malware configuration 2->35 37 Antivirus detection for dropped file 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 3 other signatures 2->41 9 mipsel.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 process5 17 mipsel.elf 9->17         started        process6 19 mipsel.elf 17->19         started        file7 25 /var/main, ELF 19->25 dropped 27 /etc/init.d/xs.main, POSIX 19->27 dropped 43 Sample tries to set files in /etc globally writable 19->43 45 Drops files in suspicious directories 19->45 47 Sample deletes itself 19->47 23 mipsel.elf 19->23         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a270f9fb39eb9caa67daf5557ef8f9c39e8dccdef8a60f41d34aec9b0ee251b7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a270f9fb39eb9caa67daf5557ef8f9c39e8dccdef8a60f41d34aec9b0ee251b7/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/a270f9fb39eb9caa67daf5557ef8f9c39e8dccdef8a60f41d34aec9b0ee251b7
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-09 18:37:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ujypt6zz5ookuz626vkx56hzyopi3tg67cta6qotjlwjwdxckg3q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/250809-w9bhaavrz8/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b86cde8a-c6d4-4c59-b5b9-9c0883a40351
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/a270f9fb39eb9caa67daf5557ef8f9c39e8dccdef8a60f41d34aec9b0ee251b7

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: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 a270f9fb39eb9caa67daf5557ef8f9c39e8dccdef8a60f41d34aec9b0ee251b7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3593723/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3587308/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments