MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b844c1b8c215289e5f3d48212874c23147633267152c413323b5aa31787aff39. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b844c1b8c215289e5f3d48212874c23147633267152c413323b5aa31787aff39
SHA3-384 hash: 4839d760038c6e87d3d0485f8702c54502f2a3eab30b6faa83ad1293f5ff050b37ab22334449d433f46d0d798d7c88f2
SHA1 hash: 8c7bdaacde2f576bc4cf8f4aadd2687cbb4f5b97
MD5 hash: 42101705805e268e2bb51a268ff5c0c9
humanhash: two-one-edward-sixteen
File name:nklx86
Download: download sample
Signature Mirai
Create hunting rule
File size:78'836 bytes
First seen:2026-01-12 01:19:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:uDrk+eJKhkkYEHNvvR+eZR22HdJRHjJuScokJDM7eBjfiRgubn+Td+b3eE2Hk11Z:u35eJKh7btYWRJdJRDBcokJDM7eBjfiv
TLSH T188735AC18543D8FAE8690170A0B7F337A272E97601B8BDF3F790A672A421615F08B74D
telfhash t17921f5f91a754cf873c05c41b31f8a615d5eeb2b28103aa705b35824366ec8321bbc39
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 :
105
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Creating a file
Connection attempt
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/69644c5407ef5fa68e84b361/reports/c862863d-15c3-4323-8aa4-bb81d63c998a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-11T22:28:00Z UTC
Last seen:
2026-01-11T22:59:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/b844c1b8c215289e5f3d48212874c23147633267152c413323b5aa31787aff39/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/76cccad0-7ec6-4d68-ac4b-0c18556713eb
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1848677
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b844c1b8c215289e5f3d48212874c23147633267152c413323b5aa31787aff39
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b844c1b8c215289e5f3d48212874c23147633267152c413323b5aa31787aff39/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b844c1b8c215289e5f3d48212874c23147633267152c413323b5aa31787aff39
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 01:20:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbcmdogccuuj4xz5jaqsq5gcgfdwgmthcuwecmzdwwvdc6d2744q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260112-bp95wshw6e/
Behaviour
Renames itself
Contacts a large (43851) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7755770-0
YARA:
Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/ee6b8b81-f288-470e-b823-e86e4a0f453f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/b844c1b8c215289e5f3d48212874c23147633267152c413323b5aa31787aff39

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:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
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 b844c1b8c215289e5f3d48212874c23147633267152c413323b5aa31787aff39

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739168/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739136/

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