MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a28ef23eab368ee0cf4c519dc023f8ea21f2ab99e3cb4c2b7961ddefe8d4ba1a. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a28ef23eab368ee0cf4c519dc023f8ea21f2ab99e3cb4c2b7961ddefe8d4ba1a
SHA3-384 hash: d42715120e33997dccae0e1b4c26ed55696d53da5d539a87ea41ac91cf7371a819f849333635fd7a582c668a0b41deca
SHA1 hash: 263e4f25edfe08a1251fcec107e0153b716cc1fe
MD5 hash: f87785c17b8698b134ff72158a2f8722
humanhash: beer-sad-pennsylvania-queen
File name:mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:84'812 bytes
First seen:2025-07-12 17:02:06 UTC
Last seen:2025-08-01 23:00:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:EzWg/yigQhoKnpWc79MMAH+7orPPzshjl6HZLi06XEO+l:EzWg/y+hH9Tjl6H23+l
TLSH T131830815BB514FB7EC6BCC370AA91B0134CC591B22A97B3A7534C91CF60F64B46E3968
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 :
14
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9951087-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6872952ac9eb97473768993elinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Kills processes
DNS request
Mounts file systems
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Link:
https://www.filescan.io/uploads/6872951ea15b22faa8afae84/reports/f813ab7f-89cf-4dea-af72-ae2a1393de5c/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:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a28ef23eab368ee0cf4c519dc023f8ea21f2ab99e3cb4c2b7961ddefe8d4ba1a
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/79c67123-54b1-4dfb-82e6-71056805455f
Behavior Graph:
Download SVG
%3 guuid=9344bc81-1a00-0000-2a3f-901b8c0b0000 pid=2956 /usr/bin/sudo guuid=2fa0a283-1a00-0000-2a3f-901b920b0000 pid=2962 /tmp/sample.bin guuid=9344bc81-1a00-0000-2a3f-901b8c0b0000 pid=2956->guuid=2fa0a283-1a00-0000-2a3f-901b920b0000 pid=2962 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8fc2a411-a04b-494d-9504-17bf48027d72
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1734780
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734780 Sample: mipsel.elf Startdate: 12/07/2025 Architecture: LINUX Score: 68 23 bunnybot.ac 83.229.17.45, 38241, 47038 SKYVISIONGB United Kingdom 2->23 25 109.202.202.202, 80 INIT7CH Switzerland 2->25 27 3 other IPs or domains 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 35 Connects to many ports of the same IP (likely port scanning) 2->35 9 mipsel.elf 2->9         started        11 udisksd dumpe2fs 2->11         started        13 udisksd dumpe2fs 2->13         started        signatures3 process4 process5 15 mipsel.elf 9->15         started        process6 17 mipsel.elf 15->17         started        19 mipsel.elf 15->19         started        process7 21 mipsel.elf 17->21         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a28ef23eab368ee0cf4c519dc023f8ea21f2ab99e3cb4c2b7961ddefe8d4ba1a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a28ef23eab368ee0cf4c519dc023f8ea21f2ab99e3cb4c2b7961ddefe8d4ba1a/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-12 17:02:28 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=ukhpepvlg2hobt2mkgo4ai7y5iq7fk4z4pfuyk3zmho672guxina._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250712-vkan1sap4s/
Behaviour
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Writes file to system bin folder
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9951087-0
YARA:
n/a
Link:
https://app.threat.zone/submission/8c772cdc-fd45-4703-9e5a-e4f8870dbae6
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/a28ef23eab368ee0cf4c519dc023f8ea21f2ab99e3cb4c2b7961ddefe8d4ba1a

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: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 a28ef23eab368ee0cf4c519dc023f8ea21f2ab99e3cb4c2b7961ddefe8d4ba1a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3560579/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3532701/
  
URLhaus
https://urlhaus.abuse.ch/url/3560583/
  
URLhaus
https://urlhaus.abuse.ch/url/3560589/
  
URLhaus
https://urlhaus.abuse.ch/url/3548130/
  
URLhaus
https://urlhaus.abuse.ch/url/3560603/

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