MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7620fbc8c5de8dc43c8f12ff89200945de33ecb3346da746dda2b2b82406b539. 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 3 File information Comments

SHA256 hash:	7620fbc8c5de8dc43c8f12ff89200945de33ecb3346da746dda2b2b82406b539
SHA3-384 hash:	790b594fdfa2f2b930f83b302867fcd3122bad2216dcde8b5c62eea2e94e13da543b9aa697167915175bbff25094e793
SHA1 hash:	ee5c080f33e150dc33bdeae95a1f57ece8839cd4
MD5 hash:	e9351558f41ff7b0d1c1b4555096292d
humanhash:	earth-robin-artist-tennessee
File name:	reaver.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	69'988 bytes
First seen:	2026-08-28 19:36:50 UTC
Last seen:	2026-08-29 19:16:59 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:PDRkLCuOOtY2WBnSQMBxMYdEg1BzQrgNJnml2vA5cM8:PDOLCuLTU0BxVdEjENxmA45F8
TLSH	T183630190E5DB32B5D3AACD3923B714C4AF72714271F619AF4F8B21AD887895D7830C16
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) :	69'988 bytes
File size (de-compressed) :	158'368 bytes
Format:	linux/amd64
Unpacked file:	c1a6155d4a18a6a055bbaae49dde2ee233c52c2f80b4ce10725b78e4e1664da9

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/6e49e91a-51e3-46cb-97b2-55414990230b/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Kills processes

Deletes a file

Launching a process

Runs as daemon

Changes owner for a written file

Changes access rights for a written file

Opens a port

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

Connection attempt

Gains root access

Creating a file

Creates or modifies symbolic links

Sets a written file as executable

Sends data to a server

Writes files to system subdirectory

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

Deleting of the original file

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-08-28T17:47:00Z UTC

Last seen:

2026-08-29T20:36:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/7620fbc8c5de8dc43c8f12ff89200945de33ecb3346da746dda2b2b82406b539/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/97c37d16-910c-45cf-9365-315517a6d51c

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/63f7a462-20f3-478f-baf2-1bb35e578faa

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/7620fbc8c5de8dc43c8f12ff89200945de33ecb3346da746dda2b2b82406b539

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/7620fbc8c5de8dc43c8f12ff89200945de33ecb3346da746dda2b2b82406b539/

Threat name:

Linux.Trojan.PkexecExploit

Status:

Malicious

First seen:

2026-08-28 19:36:42 UTC

File Type:

ELF64 Little (Exe)

AV detection:

10 of 24 (41.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=oyqpxsgf32g4ipepcl7ysiajixpdh3ftgrw2orw5ukzlqjagwu4q._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion discovery exection execution linux persistence privilege_escalation upx

Link:

https://tria.ge/reports/260828-ybyk9ssvbt/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Reads system network configuration

Modifies Bash startup script

UPX packed file

Creates/modifies Cron job

Creates/modifies environment variables

Enumerates active TCP sockets

Modifies init.d

Modifies rc script

Modifies systemd

Deletes itself

Modifies the /etc/hosts DNS resolution file

Modifies the dynamic linker configuration file

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

Threat name:

Suspicious File

Score:

0.64

Link:

https://yomi.yoroi.company/submissions/7620fbc8c5de8dc43c8f12ff89200945de33ecb3346da746dda2b2b82406b539

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

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/