MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31722f28689cabe00e4fc16e3c1701f9368381da06bae3275223d423eba0eb2f. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31722f28689cabe00e4fc16e3c1701f9368381da06bae3275223d423eba0eb2f
SHA3-384 hash: f15b893fb666a7876e5aa0b77c7a067257b58d8bfeceb55e6fa1d646d2516653dbd4d2130843116c93a3e4d2fc916320
SHA1 hash: c6a09c4b7253b1dc8099dd85f6e7ee6d325913ae
MD5 hash: 55092a8cd4cb7e31ee87e48e9231f76e
humanhash: xray-eleven-music-arkansas
File name:nshkarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:99'264 bytes
First seen:2025-12-02 17:23:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:QQNFhTqLFiZaOs/oo0L54yjoVnoWQkob:1Nn0gZaOs/oo0V4zVoWQkob
TLSH T181A31905B9819F12D4C621BAFAAF415933136FBCD3FA7102DD20AF6427CA9DB0E76512
telfhash t197d09747cb844788a6f6856540451b0e9ddc74612b0236c3c428e8beec033a03802c43
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
28
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

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

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

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

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand gcc lolbin mirai rust
Link:
https://www.filescan.io/uploads/692f20c86ed9fc50486c1f88/reports/598435f1-86a8-476b-b713-fad844d32ed1/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/19fc02ac-95bd-42e1-a932-c2c5b2a31cf0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1824719
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 Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824719 Sample: nshkarm7.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 3 other signatures 2->40 9 nshkarm7.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 nshkarm7.elf 9->15         started        18 nshkarm7.elf 9->18         started        signatures6 42 Sample reads /proc/mounts (often used for finding a writable filesystem) 15->42 20 nshkarm7.elf 15->20         started        22 nshkarm7.elf 18->22         started        process7 process8 24 nshkarm7.elf 20->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31722f28689cabe00e4fc16e3c1701f9368381da06bae3275223d423eba0eb2f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31722f28689cabe00e4fc16e3c1701f9368381da06bae3275223d423eba0eb2f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-02 17:07:45 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=gfzc6kditsv6adspyfxdyfyb7e3ihao2a25ogj2sepkch25a5mxq._file
Result
Malware family:
hailbot
Create hunting rule
Score:
  10/10
Tags:
family:hailbot discovery
Link:
https://tria.ge/reports/251202-vyvaksvpez/
Behaviour
Reads runtime system information
Changes its process name
Renames itself
Contacts a large (66675) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7355719-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/b40b9948-0881-447d-bec2-88a6f625714b
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_8299c877
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 31722f28689cabe00e4fc16e3c1701f9368381da06bae3275223d423eba0eb2f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3723466/
  
Delivery method
Distributed via web download

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