MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b877456005b3f0071a54e07dfd142c7b02ea087d1497b80ca3cd48c91f4902a. 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: 7

Intelligence 7 IOCs YARA 5 File information Comments

SHA256 hash:	7b877456005b3f0071a54e07dfd142c7b02ea087d1497b80ca3cd48c91f4902a
SHA3-384 hash:	c3798e5891a06a4c83c9d65d2dd024bfd7c5942f68817f312f898dd1dbcb4bc23e8ad0384bc189ea6785e97660906564
SHA1 hash:	146f19945dcfbcca2609a3ae16cfad0f1bfa80cc
MD5 hash:	4e018db2e6d7afc1a5bab5cc45b1d952
humanhash:	robert-black-ten-kilo
File name:	reaver.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	71'524 bytes
First seen:	2026-09-04 05:44:37 UTC
Last seen:	2026-09-04 11:51:15 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:VANb6xAk6+WPdIWWQqARwTxk6XghR/8eEhr3LKeElPqkr6ae0Q9FVnouy8GI:8w6bPddWYQiQgz0xJKeElPR65outGI
TLSH	T15563027AF1A67AEBC5C566F3098D7CA54890C27FC66614E6350074F7FF226F8145820E
Magika	elf
Reporter	BlinkzSec
Tags:	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) :	71'524 bytes
File size (de-compressed) :	160'672 bytes
Format:	linux/i386
Unpacked file:	152e02086c4daba9777fe84252dcf276e9131d72c97781700daac43ed32b0690

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/f10b56c1-a695-4427-a356-1a731c605cb4/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Creates or modifies symbolic links

Opens a port

Launching a process

Deletes a file

Sets a written file as executable

Sends data to a server

Runs as daemon

Kills processes

Connection attempt

Changes access rights for a written file

Deleting a recently created file

Gains root access

Changes owner for a written file

DNS request

Receives data from a server

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

Creates or modifies files in /cron to set up autorun

Substitutes an application name

Writes files to system subdirectory

Writes files to system directory

Creates or modifies files to set up autorun

Deleting of the original file

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

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

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

masquerade packed upx

Link:

https://www.filescan.io/uploads/6a9a5b324072ed23cb9fc2f6/reports/385e3781-2ebc-4f3f-a657-5f735194f3b6/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/696ae9b4-e76b-4fb1-96c0-8495100dc7bb

Behavior Graph:

Download SVG

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/93d59905-ddb5-4e44-8850-3740595a6617

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/7b877456005b3f0071a54e07dfd142c7b02ea087d1497b80ca3cd48c91f4902a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/7b877456005b3f0071a54e07dfd142c7b02ea087d1497b80ca3cd48c91f4902a/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-09-04 05:44:37 UTC

File Type:

ELF32 Little (Exe)

AV detection:

11 of 36 (30.56%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=podxivqalm7qa4nfjyd57ukcy6yc5ieh2fexxagkhtkizepusava._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/260904-gfx2vsyzcw/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Modifies Bash startup script

UPX packed file

Creates/modifies Cron job

Creates/modifies environment variables

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:

0.65

Link:

https://yomi.yoroi.company/submissions/7b877456005b3f0071a54e07dfd142c7b02ea087d1497b80ca3cd48c91f4902a

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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/