MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90f6d7ca30a617d97012174b52e6a6ee31becd10b168fd46dd27c8f3cd80e556. 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: 6

Intelligence 6 IOCs YARA 4 File information Comments

SHA256 hash:	90f6d7ca30a617d97012174b52e6a6ee31becd10b168fd46dd27c8f3cd80e556
SHA3-384 hash:	60c106822c66540f03052ac7aae9f32619931cc60ba43914390c3a25d3e3a05d4317c598a332b427016863e758737a22
SHA1 hash:	54e2b3533c4872cdb69fe281c84bcf18170666a6
MD5 hash:	883fff6d4d0cca7db107769c8c35fb92
humanhash:	cat-seven-december-enemy
File name:	x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	126'140 bytes
First seen:	2026-09-02 17:46:35 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:xppeeTXYQYHYb1ZujgxgM9sTmC+t07Qz97oV:xHeoYQYHYZZuc9swkV
TLSH	T103C313A3414F2E6DC4F8A7B658D944D5E2A5FB5E934E87276F0170EEC85CC0A1D923D0
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	BlinkzSec
Tags:	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) :	126'140 bytes
File size (de-compressed) :	367'304 bytes
Format:	linux/amd64
Unpacked file:	f1520d833fd64ebbd66ed00655a4c51de609f4cc55912a8b81e4d0ff247388cd

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/6216fa96-2f4a-4b87-addc-89cd0994c19c/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sends data to a server

Collects information on the CPU

Kills processes

Creating a file in the %temp% subdirectories

Launching a process

Manages services

Runs as daemon

Changes access rights for a written file

Opens a port

Receives data from a server

Changes the time when the file was created, accessed, or modified

Connection attempt

DNS request

Creating a file

Creates or modifies symbolic links

Creates directories

Creating a file in the %temp% directory

Sets a written file as executable

Traces processes

Substitutes an application name

Writes files to system directory

Creates or modifies files in /cron to set up autorun

Creates or modifies symbolic links in /init.d to set up autorun

Creates or modifies files in /init.d to set up autorun

Creates or modifies files to set up autorun

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6a986163850317b34ad2f1da/reports/b2d71119-c5f9-46e7-b614-0b2ca1f3b015/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/d02457d7-e643-4234-a201-c5c5198d9134

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/27b2cc55-ba4f-4b32-bb7e-d995ff7eadc4

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/90f6d7ca30a617d97012174b52e6a6ee31becd10b168fd46dd27c8f3cd80e556

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/90f6d7ca30a617d97012174b52e6a6ee31becd10b168fd46dd27c8f3cd80e556/

Threat name:

Linux.Exploit.DirtyFrag

Status:

Malicious

First seen:

2026-09-02 17:35:20 UTC

File Type:

ELF64 Little (Exe)

AV detection:

6 of 36 (16.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=sd3npsrquyl5s4asc5fvfzvg5yy35tiqwfup2rw5e7ephtma4vla._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm defense_evasion discovery execution linux persistence privilege_escalation upx

Link:

https://tria.ge/reports/260902-wcztlsbq9x/

Behaviour

Reads runtime system information

Writes file to shm directory

Writes file to tmp directory

Changes its process name

Checks CPU configuration

Creates a desktop entry file

Modifies Bash startup script

UPX packed file

Creates/modifies Cron job

Creates/modifies environment variables

Deletes log files

Modifies init.d

Modifies rc script

Modifies systemd

Write file to user bin folder

Writes file to system bin folder

Executes dropped EXE

Modifies Watchdog functionality

Traces itself

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

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:	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

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/