MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99feaa0f817b6eb9b010ba3ee21480cf3a34bc258aeee8251d6a6ecea5fc801c. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99feaa0f817b6eb9b010ba3ee21480cf3a34bc258aeee8251d6a6ecea5fc801c
SHA3-384 hash: 0734ee2463dd2a910e93f31a72d804514242ade2705c9e5f3b901483ecb0f42b4382c1bdb6fa52e28d63b6c24c4aea43
SHA1 hash: 557445aae18ca205042de66583b7b7f8716ea99b
MD5 hash: bdf093dea722985bd71a40934c9332b4
humanhash: violet-nitrogen-emma-batman
File name:main_arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:250'962 bytes
First seen:2026-06-30 08:27:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:JCCDujyz0SMvPz7awGZwO204xGLbUlsqcofWAWM/RVAk1v:JCC8D3Pz7awGZwO2zUkQNAP/F
TLSH T1A7342A41AA408F23C4D727BAF6DF4745333397E8D3E77305DA156BB03A8369A2E26601
telfhash t1733140769b74512669a0e814d8ec97b2291ec7131341ff33df26c4cc681944ee52ac4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e0b0dbe3-1c54-47a7-a3a6-3f8f4bd22d59/
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135870-0
Create hunting rule

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

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

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

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

YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Changes the time when the file was created, accessed, or modified
Creating a file in the %temp% directory
Changes access rights for a written file
Receives data from a server
Sends data to a server
Sets a written file as executable
Kills processes
Connection attempt
Runs as daemon
Launching a process
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite dropper gcc mirai rust
Link:
https://www.filescan.io/uploads/6a437df1e95543b61451f868/reports/32bae3bf-76e0-40dc-92af-379ab078a1da/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/66e49cee-2335-4f32-80b4-0483a7ae1146
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1935431
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1935431 Sample: main_arm7.elf Startdate: 30/06/2026 Architecture: LINUX Score: 84 25 159.18.14.46 ZAYO-6461-ZayoBandwidthUS United States 2->25 27 180.220.58.184 ZAQJCOMCoLtdJP Japan 2->27 29 98 other IPs or domains 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Mirai 2->37 8 main_arm7.elf 2->8         started        11 systemd journalctl 2->11         started        13 python3.8 dpkg 2->13         started        15 4 other processes 2->15 signatures3 process4 signatures5 39 Sample deletes itself 8->39 17 main_arm7.elf 8->17         started        process6 process7 19 main_arm7.elf 17->19         started        21 main_arm7.elf 17->21         started        23 main_arm7.elf 17->23         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/99feaa0f817b6eb9b010ba3ee21480cf3a34bc258aeee8251d6a6ecea5fc801c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/99feaa0f817b6eb9b010ba3ee21480cf3a34bc258aeee8251d6a6ecea5fc801c/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/99feaa0f817b6eb9b010ba3ee21480cf3a34bc258aeee8251d6a6ecea5fc801c
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-30 08:28:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=th7kud4bpnxltmaqxi7oefeaz45djpbfrlxoqji5njxm5jp4qaoa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260630-kcpg4aa18k/
Behaviour
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Write file to user bin folder
Writes file to system bin folder
Deletes itself
Contacts a large (348285) amount of remote hosts
Creates a large amount of network flows
Family: Mirai
Malware Config
C2 Extraction:
cnc.ivankozlovsky.com
scan.ivankozlovsky.com
Please note that we are no longer able to provide a coverage score for Virus Total.

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 99feaa0f817b6eb9b010ba3ee21480cf3a34bc258aeee8251d6a6ecea5fc801c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3877718/
  
Delivery method
Distributed via web download

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