MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7838aa5b9dc292dc29fd63f55d603eb731937387640ec22c63ad19b8bf044a7. 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 15 File information Comments

SHA256 hash:	b7838aa5b9dc292dc29fd63f55d603eb731937387640ec22c63ad19b8bf044a7
SHA3-384 hash:	91c2642784dace3fad788bca67edefbe0144238d5af3c8796245092d09289579d2c571844601e81d7e0df663238c1e20
SHA1 hash:	18ed72d5c8487332038e2df30525ca31351b9985
MD5 hash:	1c3bdc583e73e199aebdd02a851125e8
humanhash:	lion-three-nitrogen-cup
File name:	sora.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	62'224 bytes
First seen:	2026-10-08 12:34:41 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:0UEMAWwPQk16Q0bTWKRmyaSkDu4eFOVir:0UEMAWwr16Q0bTWKRmyaSmu4aOir
TLSH	T13C5339C4E2C3E8FAD810087D317BAF729E73F13AB135D99BD3D959639501A02E20625D
telfhash	t13a11c2fa5aba1cf4b7d0a850430e5d9609ae753f29203bb04672c81033bfd8290b8c3d
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 d416e786af64b877744b04d16f6134503993c9f1bb43427c4790fae615833e0c

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) :	28'048 bytes
File size (de-compressed) :	62'224 bytes
Format:	linux/i386
Packed file:	d416e786af64b877744b04d16f6134503993c9f1bb43427c4790fae615833e0c

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Mirai

Details

Link:

https://research.acce.ciphertechsolutions.com/results/7c2bdf7c-84a8-47be-aba0-e8324f031645/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Gathering data

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-10-08T10:47:00Z UTC

Last seen:

2026-10-09T18:28:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/b7838aa5b9dc292dc29fd63f55d603eb731937387640ec22c63ad19b8bf044a7/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/5c44f8f2-1b20-4edd-8093-870525b21931

Behavior Graph:

Download SVG

Gathering data

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b7838aa5b9dc292dc29fd63f55d603eb731937387640ec22c63ad19b8bf044a7

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/b7838aa5b9dc292dc29fd63f55d603eb731937387640ec22c63ad19b8bf044a7/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-10-08 12:35:38 UTC

File Type:

ELF32 Little (Exe)

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=w6byvjnz3qus3qu72y7vlvqd5nzrsnzyozaoyiwghlizxc7qistq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:sora botnet linux

Link:

https://tria.ge/reports/261008-psjzrsgw7k/

Malware Config

C2 Extraction:

204.194.50.3

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/b7838aa5b9dc292dc29fd63f55d603eb731937387640ec22c63ad19b8bf044a7

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_generic_ipv6_catcher Create hunting rule
Author:	@_lubiedo
Description:	ELF samples using IPv6 addresses

Rule name:	Linux_Trojan_Mirai_389ee3e9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_804f8e7c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_88de437f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_8aa7b5d3 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_93fc3657 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_99d78950 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_a68e498c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_ae9d0fa6 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_b14f4c5d 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:	SUSP_XORed_Mozilla_Oct19 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:	https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()

Rule name:	SUSP_XORed_Mozilla_RID2DB4 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed keyword - Mozilla/5.0
Reference:	Internal Research

Rule name:	TH_Generic_MassHunt_Linux_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Linux malware mass-hunt rule - 2026
Reference:	https://cyfare.net/