MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b3ade5a4dbe0034fab3cfdc994a87a452f3b62e7d05091b7de242544fb2f23d. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b3ade5a4dbe0034fab3cfdc994a87a452f3b62e7d05091b7de242544fb2f23d
SHA3-384 hash: 99eb9dd41ade46a10f015a0cf3d43a14d29faef667da7b9717a79d724f6fe0e7fe585751f4846b5244a4598f8a9bbaa6
SHA1 hash: 9cfd190a26ebfeae59faf7e72a9ede7f657d16ca
MD5 hash: 2d8c7bf85373c33e64ef2521f98ba850
humanhash: alanine-oxygen-georgia-robin
File name:nsharm
Download: download sample
Signature Mirai
Create hunting rule
File size:141'920 bytes
First seen:2025-12-02 17:23:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:KfyMy6l1fDJfy5wJcRKqG2ZJZ4VyvkuTplrudd+IWCAB3JMli0wywr1vwTQiaalM:Kf3XfcycoqG448x1lrudF1g3CNtq
TLSH T151D31A45FC514F23CAD112BBFB5E428D772617A9D2EE72039D255F24378B86B0E3A142
telfhash t19ee0c032df888d49bbe1388700b4f22117cd76371b800540dacecd9dc0073e1b407909
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

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

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Gathering data
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b2e79349-d465-473e-9f1c-5a48ec873ccc
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1824714
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
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sends malformed DNS queries
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824714 Sample: nsharm.elf Startdate: 02/12/2025 Architecture: LINUX Score: 100 26 mirai.48101.online. [malformed] 2->26 28 ihatemylife.racist.black. [malformed] 2->28 30 103 other IPs or domains 2->30 32 Suricata IDS alerts for network traffic 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 40 4 other signatures 2->40 9 nsharm.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 38 Sends malformed DNS queries 28->38 process4 process5 15 nsharm.elf 9->15         started        18 nsharm.elf 9->18         started        signatures6 42 Sample reads /proc/mounts (often used for finding a writable filesystem) 15->42 20 nsharm.elf 15->20         started        22 nsharm.elf 18->22         started        process7 process8 24 nsharm.elf 20->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7b3ade5a4dbe0034fab3cfdc994a87a452f3b62e7d05091b7de242544fb2f23d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b3ade5a4dbe0034fab3cfdc994a87a452f3b62e7d05091b7de242544fb2f23d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-02 17:07:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pm5n4wsnxyadj6vtz7ojssuhurjphnropucqsg354jbfit5s6i6q._file
Result
Malware family:
hailbot
Create hunting rule
Score:
  10/10
Tags:
family:hailbot
Link:
https://tria.ge/reports/251202-vyvlcavpft/
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7355719-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/dcfff23d-9be1-4325-88e5-fbd94ef30234
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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
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 7b3ade5a4dbe0034fab3cfdc994a87a452f3b62e7d05091b7de242544fb2f23d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3723472/
  
Delivery method
Distributed via web download

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