MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8efd9fc22ee259562c41a184ae8cf9d9228efbd58a20ccd2074476f63ea3c13. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8efd9fc22ee259562c41a184ae8cf9d9228efbd58a20ccd2074476f63ea3c13
SHA3-384 hash: a6b179d3fdda5fa176be5e6ca72c124bb1911e139f803150939fd8c400b5290931fb2f6a22d91f261929b881fedbde2f
SHA1 hash: 647361541c461db78ee391f4540d8d55e33261f8
MD5 hash: 7f1f09309771a31ba2b12e132a6398e3
humanhash: autumn-glucose-stairway-ten
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:80'944 bytes
First seen:2025-07-26 04:38:44 UTC
Last seen:2025-08-14 22:25:45 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:chb5z6lIfDlwY/PkpIix9F07P5B1MEMv4pQfHe8LgclG:chb962DlwY/O9F07P5AEMvKQJEck
TLSH T13F83C81D2E128FADF768C23547B78E21A39C378627E1D685E29CD6001FB434D645FBA8
telfhash t152115e08893813e1e7721dc967edff76e4a170df4a265e378e00ed6d966dd428901c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9951087-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Link:
https://www.filescan.io/uploads/68845bed13488cfd44d92d83/reports/08e0e331-d7d8-48ce-a230-e63d15080ba7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b8efd9fc22ee259562c41a184ae8cf9d9228efbd58a20ccd2074476f63ea3c13
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 83.229.17.45:38241
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6892a3c0-731c-4b17-9427-1c4ecd4b4fd2
Behavior Graph:
Download SVG
%3 guuid=babc53df-1800-0000-4059-c5f3a50a0000 pid=2725 /usr/bin/sudo guuid=01f42ae1-1800-0000-4059-c5f3ac0a0000 pid=2732 /tmp/sample.bin guuid=babc53df-1800-0000-4059-c5f3a50a0000 pid=2725->guuid=01f42ae1-1800-0000-4059-c5f3ac0a0000 pid=2732 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0bf8b65a-c993-4a2a-a87b-b8fc964e17b5
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1744506
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: 1744506 Sample: mips.elf Startdate: 26/07/2025 Architecture: LINUX Score: 68 18 bunnybots.ru 83.229.17.45, 38241, 53978 SKYVISIONGB United Kingdom 2->18 20 bunnybot.ru 2->20 22 Antivirus / Scanner detection for submitted sample 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 Connects to many ports of the same IP (likely port scanning) 2->28 8 mips.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        12 udisksd dumpe2fs 2->12         started        signatures3 process4 process5 14 mips.elf 8->14         started        process6 16 mips.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8efd9fc22ee259562c41a184ae8cf9d9228efbd58a20ccd2074476f63ea3c13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8efd9fc22ee259562c41a184ae8cf9d9228efbd58a20ccd2074476f63ea3c13/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/b8efd9fc22ee259562c41a184ae8cf9d9228efbd58a20ccd2074476f63ea3c13
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-26 04:39:15 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdx5t7bc5yszkywedimev2gptwjcr355lcraztjaordw6y7khqjq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250726-e91nqsxsax/
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/6949d464-ec94-4495-97e3-ce6b2461a187
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/b8efd9fc22ee259562c41a184ae8cf9d9228efbd58a20ccd2074476f63ea3c13

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 b8efd9fc22ee259562c41a184ae8cf9d9228efbd58a20ccd2074476f63ea3c13

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3585545/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3588663/
  
URLhaus
https://urlhaus.abuse.ch/url/3588667/

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