MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f99f90b6aec15825aaf35f6add0bd283876e8a567a72ece2f0b14506fd35e243. 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 10 File information Comments
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SHA256 hash: f99f90b6aec15825aaf35f6add0bd283876e8a567a72ece2f0b14506fd35e243
SHA3-384 hash: 842881bd96363e88a758293283bdb8f4b88a41eb3e191a0d26bc4e1ad248d182274f01076abdc06e1b16f2c21e7cd845
SHA1 hash: b90476712de521a8b75a48341a84e93bf825a006
MD5 hash: 86c8ea441c8221b9d8bd8be0b96bd684
humanhash: gee-venus-diet-johnny
File name:nz.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:144'692 bytes
First seen:2026-06-29 18:14:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:W4Nauasp1gUCTZWp+rChmy0kV4jgnzCiiwnPmUqtqB/lhPRbJh1WI/P2ADzRXT+6:9Nauasp1gUCTZWp+rChmy0kV4jgnWitJ
TLSH T1EDE3E61E6E218F3CFBA9C23047B79E26965933C637E2D585D1ACD7011E6028E641FFA4
telfhash t19c11900c493822f097321c9d5beeff72e59030df46266d378e10e9adaa6cd029d00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e05be73ab369ea1172fbd89adfdfe4e6f0ecec45eee6ac4f11682635b95bede6
File size (compressed) :48'600 bytes
File size (de-compressed) :144'692 bytes
Format:linux/mips
Packed file: e05be73ab369ea1172fbd89adfdfe4e6f0ecec45eee6ac4f11682635b95bede6

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/be58c889-fa0c-473c-a96c-e1cafae6d4ac/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Opens a port
DNS request
Connection attempt
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-06-29T17:08:00Z UTC
Last seen:
2026-06-30T01:49:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f99f90b6aec15825aaf35f6add0bd283876e8a567a72ece2f0b14506fd35e243/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/046fdc66-c3d2-4734-97af-3546c8751b8d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1935146
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1935146 Sample: nz.mips.elf Startdate: 29/06/2026 Architecture: LINUX Score: 80 26 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->26 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 4 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 nz.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 nz.mips.elf 8->16         started        18 nz.mips.elf 8->18         started        20 nz.mips.elf 8->20         started        process6 22 nz.mips.elf 16->22         started        24 nz.mips.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f99f90b6aec15825aaf35f6add0bd283876e8a567a72ece2f0b14506fd35e243
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f99f90b6aec15825aaf35f6add0bd283876e8a567a72ece2f0b14506fd35e243/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-29 18:19:45 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7gpzbnvoyfmclkxtl5vn2c6sqodw5cswpjzozyxqwfcqn7jv4jbq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery
Link:
https://tria.ge/reports/260629-wwl2vsc17p/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
hjcddajltcsdas.hopto.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/f99f90b6aec15825aaf35f6add0bd283876e8a567a72ece2f0b14506fd35e243

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 e05be73ab369ea1172fbd89adfdfe4e6f0ecec45eee6ac4f11682635b95bede6

Mirai

elf f99f90b6aec15825aaf35f6add0bd283876e8a567a72ece2f0b14506fd35e243

(this sample)

  
Dropped by
SHA256 e05be73ab369ea1172fbd89adfdfe4e6f0ecec45eee6ac4f11682635b95bede6
  
URLhaus
https://urlhaus.abuse.ch/url/3878043/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 c55b5f5c17e4965cca482296255c7b94

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