MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82550ff97d953cd7f4278b79f1b2ded0e985e19c0a09e2e3d846d8960a754609. 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 2 File information Comments

SHA256 hash:	82550ff97d953cd7f4278b79f1b2ded0e985e19c0a09e2e3d846d8960a754609
SHA3-384 hash:	7bc8aaeabfc08cb63faa44f1e4baff2ed3dff3be931bfb18ce085ca29d4c1dd82ee2c2ed7ab3def76478929432fe2c29
SHA1 hash:	5cf30d7e39d822b79ace4678d60ef39e868ffdef
MD5 hash:	bfdbb9ad360fc112f16bde7c823bebb7
humanhash:	carpet-juliet-beer-timing
File name:	wj0s.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	96'596 bytes
First seen:	2026-09-10 05:38:01 UTC
Last seen:	2026-09-10 08:46:34 UTC
File type:	elf
MIME type:	application/x-sharedlib
ssdeep	1536:/WHnD/gPsW8kfbITHAkyTJ0Tw42SsM/328QgKyPl1DvbwbbgLSpeDOT0l0p38+3:/WHDlQcE0c4iKm89hnv8bbgePwk384
TLSH	T1809312DF01E7D1B2FA3B26B014671465A225B072D30447DA0787EB7D94B6AC4EE78E31
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) :	96'596 bytes
File size (de-compressed) :	325'648 bytes
Format:	linux/amd64
Unpacked file:	ab9a7518b3d366ba02df4eca1555d0dfba234efd2fdef3c7a1b45f4e793ab40f

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/b0e22e52-6f52-4105-93ac-6369a3237b77/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Opens a port

Kills processes

Connection attempt

Creates directories

Creating a file in the %temp% subdirectories

Runs as daemon

Deletes a file

Receives data from a server

Creating a file in the %temp% directory

Manages services

Creating a file

Sends data to a server

Substitutes an application name

Writes files to system directory

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6aa2424613f6f29c7aafc083/reports/6459d687-b57e-4ff3-8a14-9aad45ec179c/overview

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-09-10T03:16:00Z UTC

Last seen:

2026-09-11T18:57:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/82550ff97d953cd7f4278b79f1b2ded0e985e19c0a09e2e3d846d8960a754609/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/902db051-4a15-4ddb-843e-d961b69b4b67

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/0c7dab16-bd74-4624-9552-3b08a1ce63ce

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/82550ff97d953cd7f4278b79f1b2ded0e985e19c0a09e2e3d846d8960a754609

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/82550ff97d953cd7f4278b79f1b2ded0e985e19c0a09e2e3d846d8960a754609/

Threat name:

Linux.Backdoor.Mirai

Status:

Suspicious

First seen:

2026-09-10 05:38:26 UTC

File Type:

ELF64 Little (SO)

AV detection:

12 of 24 (50.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qjkq76l5su6np5bhrn47dmw62duylym4bie6fy6yi3mjmctviyeq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

credential_access defense_evasion discovery execution linux persistence privilege_escalation upx

Link:

https://tria.ge/reports/260910-gbve6sgr31/

Behaviour

Reads runtime system information

Writes file to shm directory

Writes file to tmp directory

Changes its process name

Creates a desktop entry file

Reads system network configuration

Modifies Bash startup script

Reads process memory

UPX packed file

Creates/modifies Cron job

Creates/modifies environment variables

Deletes log files

Enumerates active TCP sockets

Enumerates running processes

Modifies init.d

Modifies rc script

Modifies systemd

Write file to user bin folder

Writes file to system bin folder

Executes dropped EXE

Modifies PAM framework files

Modifies Watchdog functionality

Modifies the /etc/hosts DNS resolution file

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

Threat name:

Legit

Score:

0.09

Link:

https://yomi.yoroi.company/submissions/82550ff97d953cd7f4278b79f1b2ded0e985e19c0a09e2e3d846d8960a754609

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