MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf98e99c82d1057ba55253959eeb742bf30eb0ca8703fd5263150464094f57bd. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf98e99c82d1057ba55253959eeb742bf30eb0ca8703fd5263150464094f57bd
SHA3-384 hash: 0ee38b75a5f6d96ce5564033682b74c3f705664ef722c4484a6ee210aff2d59bf1eceff66138262a0d06debd368b02b3
SHA1 hash: 9ffebe33083fa3c218bf89c46dd8e68318f06ccb
MD5 hash: b16aa162991906609f7830f053540694
humanhash: magazine-bulldog-paris-robert
File name:nklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:87'216 bytes
First seen:2025-12-28 23:56:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:3r/4GEW69MmWSDFmPPtufw9hKLtgrYaFx/id5dquZ7RJ:7/4GeFmPPtGoALtgBf/QWuZX
TLSH T17F832A55B8819B13C6D566BBFB6E428C332653A8D2DF7203DD255F103B8A82F0E7B641
telfhash t1d041cdfa5ba14ee8bbc09340d68e252d59ce38691b44146bda5c8b1fc2a70c2711a837
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 :
54
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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6951c3e08d1aa9829e25eb14/reports/ebf83c71-51ca-4d13-9916-116073b91b1e/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-28T22:47:00Z UTC
Last seen:
2025-12-28T23:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bf98e99c82d1057ba55253959eeb742bf30eb0ca8703fd5263150464094f57bd/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f21584f2-e5f0-466b-9c01-0a14de9748e9
Behavior Graph:
Download SVG
%3 guuid=0d1f5c6e-1900-0000-ab7b-b75eb4060000 pid=1716 /usr/bin/sudo guuid=10254272-1900-0000-ab7b-b75eb5060000 pid=1717 /tmp/sample.bin guuid=0d1f5c6e-1900-0000-ab7b-b75eb4060000 pid=1716->guuid=10254272-1900-0000-ab7b-b75eb5060000 pid=1717 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98d23698-25d1-4bf1-b9d1-4814345a7372
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1841016
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841016 Sample: nklarm5.elf Startdate: 29/12/2025 Architecture: LINUX Score: 72 14 156.125.137.48 XNSTGCA United States 2->14 16 156.101.98.1 WASTE-MANUS United States 2->16 18 100 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 8 nklarm5.elf 2->8         started        signatures3 process4 process5 10 nklarm5.elf 8->10         started        process6 12 nklarm5.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf98e99c82d1057ba55253959eeb742bf30eb0ca8703fd5263150464094f57bd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf98e99c82d1057ba55253959eeb742bf30eb0ca8703fd5263150464094f57bd/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 23:57:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6mothec2ecxxjkskokz523ufpzq5mgkq4b72utdcucgickpk66q._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251228-3zqb1sft2b/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/752c2dcd-4b6f-4a67-80c9-b5254b5efc5e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/bf98e99c82d1057ba55253959eeb742bf30eb0ca8703fd5263150464094f57bd

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: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_Threat_d94e1020
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 bf98e99c82d1057ba55253959eeb742bf30eb0ca8703fd5263150464094f57bd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739220/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739426/

Comments