MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40038bedc9f1f53c9980bd6b2a32f3b4a5e1f8d7305a66153f705b72d9944149. 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 2 File information Comments

SHA256 hash:	40038bedc9f1f53c9980bd6b2a32f3b4a5e1f8d7305a66153f705b72d9944149
SHA3-384 hash:	e0476020fb7280073e786640193097bdf54c11697b2ea29db9a0892f39f1a1e1a3b0fb3b5fd98d8650ff7451de0b83ad
SHA1 hash:	ea3930dd877f44e78523a06f52ce7f8bedc00076
MD5 hash:	11cb25c8f488e3fbedc3e02666f0642d
humanhash:	steak-mockingbird-king-cat
File name:	mips
Download:	download sample
Signature	Mirai Create hunting rule
File size:	45'612 bytes
First seen:	2025-12-13 22:44:53 UTC
Last seen:	2025-12-14 19:06:23 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	768:WGJBIF/288DtW087dQWzHAD1ZJmNPiQ1vTrOpF0kqOOl/sC5yBAtIGltJgGlzDpA:6LQmdQo6ziiMLrkqkidUBnGlHVJujv
TLSH	T12723F1A9474E28EDC6E3F8354BA217942F72554545032C0A7BADEADACFDD83C38824CD
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

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	45'612 bytes
File size (de-compressed) :	118'220 bytes
Format:	linux/mips
Unpacked file:	3097b1f6872985b988d4e0ccebb15a00300d32bce5899c3b47935d5b3b05032a

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/d547a221-b8fa-4c08-ab80-f94648befde4/

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

botnet mirai packed upx

Link:

https://www.filescan.io/uploads/693dec80900ee247e8438c70/reports/9fd97e05-8a47-460e-99ae-897b5ab50a3f/overview

Verdict:

Malicious

File Type:

elf.32.be

First seen:

2025-12-13T21:00:00Z UTC

Last seen:

2025-12-13T23:36:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/40038bedc9f1f53c9980bd6b2a32f3b4a5e1f8d7305a66153f705b72d9944149/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/a7a26155-db4e-4813-a704-f2d465fbc885

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/dfa71a1b-2cbe-4e97-be48-158e592cd2c0

Result

Threat name:

Mirai, Xmrig

Detection:

malicious

Classification:

troj.evad.mine

Score:

80 / 100

Link:

https://www.joesandbox.com/analysis/1832199

Signature

Found strings related to Crypto-Mining

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Yara detected Mirai

Yara detected Xmrig cryptocurrency miner

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/40038bedc9f1f53c9980bd6b2a32f3b4a5e1f8d7305a66153f705b72d9944149

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/40038bedc9f1f53c9980bd6b2a32f3b4a5e1f8d7305a66153f705b72d9944149/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2025-12-13 22:45:22 UTC

File Type:

ELF32 Big (Exe)

AV detection:

17 of 37 (45.95%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=iabyx3oj6h2tzgmaxvvsumxtwss6d6gxgbngmfj7obnxfwmuifeq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet discovery upx

Link:

https://tria.ge/reports/251213-2rckhsylcl/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Traces itself

Mirai

Mirai family

Malware Config

C2 Extraction:

ahahahahahajs.unproxy.st

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/ffd69f6b-3655-45ed-8b0d-68154b66f161

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/40038bedc9f1f53c9980bd6b2a32f3b4a5e1f8d7305a66153f705b72d9944149

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:	SUSP_ELF_LNX_UPX_Compressed_File Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects a suspicious ELF binary with UPX compression
Reference:	Internal Research