MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8fcb828aa6218c2f301c8cee57d335c1cf66b5c18b911f685fcb8fefb1c723a. 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: 10

Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash:	b8fcb828aa6218c2f301c8cee57d335c1cf66b5c18b911f685fcb8fefb1c723a
SHA3-384 hash:	531c02ec48f89e3dd577d4d1163063fccbd0074ed1c2a56a83dace24837c6233eec6f748140cdb3e512b9406e87cec3b
SHA1 hash:	70d917af2a134d73a7719c2035524fd23bf37a2e
MD5 hash:	251f4e8e2d9aa633fd38a7ba3e671fa2
humanhash:	single-alaska-nine-mockingbird
File name:	xnxnxnxnxnxnxnxnx86_64xnxn
Download:	download sample
Signature	Mirai Create hunting rule
File size:	87'040 bytes
First seen:	2025-12-24 05:43:16 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:6VwFhdu3rVEGCMcVw5/DbG80+wfiLq2Gj9fKKaEE/RsIbl6ATR8qBxeX+NkIlAhu:6IhzvdwR3g+kUNVsIOk
TLSH	T17A834A03B5D320FCC787D134465FA836BA32B8A416247DBBA7C4FF711A35D212A1AA75
telfhash	t10d316d720d6a18f063fbf3327346a1746c3a6a7984f136e9e6b550e0ce117460e76873
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 upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 aafef8189f55fa273c9123d7d35d3a5dfc195e4db511b592a2ae29d671584cdd

UPX unpacked

This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.

File size (compressed) :	43'832 bytes
File size (de-compressed) :	87'040 bytes
Format:	linux/amd64
Packed file:	aafef8189f55fa273c9123d7d35d3a5dfc195e4db511b592a2ae29d671584cdd

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Unix.Trojan.Mirai-10056451-0

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

mirai

Link:

https://www.filescan.io/uploads/694b7daf3f8fdbf8e950be79/reports/8411593c-8a7d-476a-a594-fae8ceb7a53e/overview

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2025-12-24T04:20:00Z UTC

Last seen:

2025-12-24T04:41:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/b8fcb828aa6218c2f301c8cee57d335c1cf66b5c18b911f685fcb8fefb1c723a/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/436c3684-5a6d-445c-b76f-0a9a02242fcc

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/165f256c-d987-4048-9df0-4923fee2915e

Result

Threat name:

n/a

Detection:

malicious

Classification:

spre.troj.evad

Score:

64 / 100

Link:

https://www.joesandbox.com/analysis/1838625

Signature

Connects to many ports of the same IP (likely port scanning)

Deletes system log files

Manipulation of devices in /dev

Sample tries to kill a massive number of system processes

Sample tries to kill multiple processes (SIGKILL)

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b8fcb828aa6218c2f301c8cee57d335c1cf66b5c18b911f685fcb8fefb1c723a

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/b8fcb828aa6218c2f301c8cee57d335c1cf66b5c18b911f685fcb8fefb1c723a/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xd6lqkfkmimmf4ybzdhok7jtlqopm224dc4rd5uf7s4p56y4oi5a._file

Result

Malware family:

n/a

Score:

7/10

Tags:

credential_access defense_evasion discovery linux

Link:

https://tria.ge/reports/251225-nymgeawkey/

Behaviour

Reads runtime system information

Changes its process name

Reads system network configuration

Reads process memory

Enumerates active TCP sockets

Enumerates running processes

Deletes Audit logs

Deletes journal logs

Deletes system logs

Verdict:

Malicious

Tags:

Unix.Trojan.Mirai-10056451-0

YARA:

n/a

Link:

https://app.threat.zone/submission/82df6d4c-6c99-4c5b-9a63-33400cea7196

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.84

Link:

https://yomi.yoroi.company/submissions/b8fcb828aa6218c2f301c8cee57d335c1cf66b5c18b911f685fcb8fefb1c723a

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.