MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4fd3c35c5c9f36fb53c52d29e123a5b8b20275486bd3fc67afcca494fb7e830. 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: a4fd3c35c5c9f36fb53c52d29e123a5b8b20275486bd3fc67afcca494fb7e830
SHA3-384 hash: 5da41855c1206c885dd38ce5a2112f710bedce20a878a5be6937625c92563e95157794df1ec527a301a55e5583b5cbb3
SHA1 hash: fa5f91cc478b3525ef4df7656aef78dd660eb657
MD5 hash: 0c73fab6cd34214be81468240ae472d8
humanhash: saturn-two-bravo-charlie
File name:nwfaiehg4ewijfgriehgirehaughrarg.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:43'292 bytes
First seen:2026-02-26 19:23:14 UTC
Last seen:2026-02-27 02:05:11 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:B3LWQMRnp943osTSxOhMsTPn8vC13D8cgqMVBFmp++i6RcIJgGlzDpbuR1JEt:lLWXX44smBsTP8aN9MVyVJuet
TLSH T15613013E4802667BE695D07802B087E95F2E4F25F44B6C336841D2E36F424E625D3FE6
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) :43'292 bytes
File size (de-compressed) :114'280 bytes
Format:linux/mips
Unpacked file: 2e79181837dfd4102e582540bbdf86ba2f28b3c4fa4c05d9c1983ce352559200

Intelligence

File Origin
# of uploads :
3
# of downloads :
77
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/888a23c5-191d-40c3-b2a2-5a3cc4bc0de1/
Detection(s):
SecuriteInfo.com.Linux.Mirai.9875.3952.18161.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
57
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a4fd3c35c5c9f36fb53c52d29e123a5b8b20275486bd3fc67afcca494fb7e830
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
Link:
https://opentip.kaspersky.com/a4fd3c35c5c9f36fb53c52d29e123a5b8b20275486bd3fc67afcca494fb7e830/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8cc8c8a2-ccee-416a-97a6-f4000107bd32
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1875586
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1875586 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 26/02/2026 Architecture: LINUX Score: 60 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 dcuyypjhxgjppihi.kozow.com 88.151.195.33, 12121 AZERONLINEAZ Azerbaijan 2->27 29 daisy.ubuntu.com 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 10->14         started        process6 16 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 14->16         started        process7 18 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 16->18         started        process8 20 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 18->20         started        23 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 18->23         started        signatures9 35 Manipulation of devices in /dev 20->35 37 Deletes system log files 20->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4fd3c35c5c9f36fb53c52d29e123a5b8b20275486bd3fc67afcca494fb7e830
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4fd3c35c5c9f36fb53c52d29e123a5b8b20275486bd3fc67afcca494fb7e830/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-26 19:24:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ut6tynofzhzw7nj4kljj4er2lofsaj2uq26t7rt27tfest5x5aya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260226-x3y6fadt7c/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes system logs
Mirai
Mirai family
Malware Config
C2 Extraction:
dcuyypjhxgjppihi.kozow.com
oonpczqujhsboufx.loseyourip.com
rpsslpjavhdodnio.webredirect.org
olrvjjldlynhaixm.camdvr.org
kmojjtdxqmjuepmh.freeddns.org
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/a4fd3c35c5c9f36fb53c52d29e123a5b8b20275486bd3fc67afcca494fb7e830

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: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 a4fd3c35c5c9f36fb53c52d29e123a5b8b20275486bd3fc67afcca494fb7e830

(this sample)

Mirai

elf 2e79181837dfd4102e582540bbdf86ba2f28b3c4fa4c05d9c1983ce352559200

  
URLhaus
https://urlhaus.abuse.ch/url/3785959/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3785944/
  
Dropping
SHA256 2e79181837dfd4102e582540bbdf86ba2f28b3c4fa4c05d9c1983ce352559200
  
Dropping
MD5 18531971ba7345b196c3180504dbc7ad
  
URLhaus
https://urlhaus.abuse.ch/url/3786035/
  
URLhaus
https://urlhaus.abuse.ch/url/3786039/
  
URLhaus
https://urlhaus.abuse.ch/url/3785925/
  
URLhaus
https://urlhaus.abuse.ch/url/3785993/
  
URLhaus
https://urlhaus.abuse.ch/url/3786052/
  
URLhaus
https://urlhaus.abuse.ch/url/3785979/
  
URLhaus
https://urlhaus.abuse.ch/url/3783555/
  
URLhaus
https://urlhaus.abuse.ch/url/3785980/

Comments