MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc997b805cd5f05ab9dfa003b99b686b9989461cea9a577e4a28aca0039c0553. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc997b805cd5f05ab9dfa003b99b686b9989461cea9a577e4a28aca0039c0553
SHA3-384 hash: eaa46f7877a6a9bc794865e20991af693734c66557e2c5d92197b65882f1735e4b4a622441cf6e5384bb17b402ea0893
SHA1 hash: bebe92a0aefb710545d24400eb10af0704ba1f1e
MD5 hash: 6e177945dc758e8f120bbeb9928fb268
humanhash: yellow-two-beer-oregon
File name:nklsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:54'136 bytes
First seen:2026-01-02 01:20:36 UTC
Last seen:2026-01-02 09:43:58 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:LauwtlnxmS/kpDisFdhKJQjDU6SwMC6nuM7R:LBSxL0isvhKJQM6SwMPuM
TLSH T1C3338D66C5BADD98C18846B5E8308EB82F63B205C2531FBF1A9595695043EECFA0C3F4
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 :
2
# of downloads :
100
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/69571d86127d6a14e0cbb3a2/reports/54cbaee3-4f6c-4ef2-8fdd-eb0cc1eb8cd6/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-02T00:41:00Z UTC
Last seen:
2026-01-02T00:56:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bc997b805cd5f05ab9dfa003b99b686b9989461cea9a577e4a28aca0039c0553/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/daa18e76-300b-40b9-90d5-dab584aa4beb
Behavior Graph:
Download SVG
%3 guuid=eabe14da-1a00-0000-a38a-b056530b0000 pid=2899 /usr/bin/sudo guuid=9dfefadc-1a00-0000-a38a-b0565a0b0000 pid=2906 /tmp/sample.bin guuid=eabe14da-1a00-0000-a38a-b056530b0000 pid=2899->guuid=9dfefadc-1a00-0000-a38a-b0565a0b0000 pid=2906 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/10f54477-a42f-4b67-bbf1-3aea98c0976c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1843379
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
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/bc997b805cd5f05ab9dfa003b99b686b9989461cea9a577e4a28aca0039c0553
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc997b805cd5f05ab9dfa003b99b686b9989461cea9a577e4a28aca0039c0553/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-02 01:21:15 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=xsmxxac42xyfvoo7uab3tg3inomysrq45knfo7skfcwkaa44avjq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260102-bqs8rsbl4t/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/dd6fea1a-87c6-45c8-a4ce-2dc4f246b357
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/bc997b805cd5f05ab9dfa003b99b686b9989461cea9a577e4a28aca0039c0553

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: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 bc997b805cd5f05ab9dfa003b99b686b9989461cea9a577e4a28aca0039c0553

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740370/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739237/

Comments