MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b28fbed19bc8d26a71f03ea375bdf8f222cacf24c36b81f8d4c2fc499f4dc661. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b28fbed19bc8d26a71f03ea375bdf8f222cacf24c36b81f8d4c2fc499f4dc661
SHA3-384 hash: d1b2df44115ed92d4b58160cbe2ce5fe36f5aa70f1bcbc7d008de7e2d37570989d0280b0ce0d3011db901220083be87b
SHA1 hash: 1571787aa172528add850bf47ff362f064c3f894
MD5 hash: dd0714ccb62078bdbabce76869cdaa56
humanhash: river-thirteen-spring-summer
File name:neon.armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:65'608 bytes
First seen:2025-06-10 15:14:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:bu6Q++GP9dzvp2gdF+11pzdnOZhQL++6ScFUEv4r:b0+7VhFd8T/nOrQL0SiUkE
TLSH T1CA5302EA27E3DEC183793A37BD5642C3D434DF7A506739766228598822049417FF864B
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) :65'608 bytes
File size (de-compressed) :171'934 bytes
Format:linux/arm
Unpacked file: 6d11e519ec3830ccb8976359cb20afc4a9ee98de7ae40238ff6ceab28e40bca0

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68484c3f07b5e8c1cfe626eelinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
DNS request
Opens a port
Sends data to a server
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/93b17240-44b4-4e29-9267-b0bb6314e511
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1711133
Signature
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1711133 Sample: neon.armv7l.elf Startdate: 10/06/2025 Architecture: LINUX Score: 88 30 traxanhc2.duckdns.org 2->30 32 156.158.248.169 airtel-tz-asTZ Tanzania United Republic of 2->32 34 100 other IPs or domains 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 44 3 other signatures 2->44 8 neon.armv7l.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 42 Uses dynamic DNS services 30->42 process4 process5 14 neon.armv7l.elf 8->14         started        16 neon.armv7l.elf 8->16         started        18 neon.armv7l.elf 8->18         started        20 3 other processes 8->20 process6 22 neon.armv7l.elf 14->22         started        24 neon.armv7l.elf 14->24         started        26 neon.armv7l.elf 14->26         started        28 2 other processes 14->28
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b28fbed19bc8d26a71f03ea375bdf8f222cacf24c36b81f8d4c2fc499f4dc661
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b28fbed19bc8d26a71f03ea375bdf8f222cacf24c36b81f8d4c2fc499f4dc661/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-06-10 15:15:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wkh35um3zdjgu4pqh2rxlppy6irmvtzeynvyd6guyl6eth2nyzqq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250610-sm6hcsak4y/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (653271) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
traxanhc2.duckdns.org
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b28fbed19bc8d26a71f03ea375bdf8f222cacf24c36b81f8d4c2fc499f4dc661

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 b28fbed19bc8d26a71f03ea375bdf8f222cacf24c36b81f8d4c2fc499f4dc661

(this sample)

Mirai

elf 6d11e519ec3830ccb8976359cb20afc4a9ee98de7ae40238ff6ceab28e40bca0

  
URLhaus
https://urlhaus.abuse.ch/url/3559990/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 6d11e519ec3830ccb8976359cb20afc4a9ee98de7ae40238ff6ceab28e40bca0
  
Dropping
MD5 76c1cab2071a5666dec930060f641f44
  
URLhaus
https://urlhaus.abuse.ch/url/3560008/

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