MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f36c5290daba558ac9039ea660c21fcc37f988b41f7305bcb2aa798577cd0c55. 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 23 File information Comments

SHA256 hash:	f36c5290daba558ac9039ea660c21fcc37f988b41f7305bcb2aa798577cd0c55
SHA3-384 hash:	4920063e3bdcdc91794ef7d93d9e6e6a10898658113900ac9f382d821bcb6a75aab9a7f9e5302e0bfaf3cc07eb50432e
SHA1 hash:	abd0604135964e7d947af2658be1b479b51cb9d2
MD5 hash:	4a961d4240601c72c85b50b80b7a96a7
humanhash:	twelve-march-coffee-april
File name:	reaver.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	162'240 bytes
First seen:	2026-09-04 15:41:20 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:dPe9JTpWedp2J7drvnqMHjtWIL/gNkY3g2fV2esu2y8ecK90RbJ3KwsP85DV7bU1:Ze9Bpfp2JBnqMHjoYSkjslZd4X1sP85m
TLSH	T1B7F35B037980C9FFC443D2B48BFE5936C921F91E1535B28F67A47FA63E1DDA06A19260
telfhash	t183510f602d9a3d4831d7d729a34de92dfca209504cd370a59e5bbdedcc027844eb60e3
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 9e1004cde96501d49b8d37b90594f121cbcc3a7a2e797fbea3a6eaa5e800cf35

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) :	70'244 bytes
File size (de-compressed) :	162'240 bytes
Format:	linux/amd64
Packed file:	9e1004cde96501d49b8d37b90594f121cbcc3a7a2e797fbea3a6eaa5e800cf35

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Unix.Dropper.Mirai-7540662-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Sets a written file as executable

Changes access rights for a written file

Creates or modifies symbolic links

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

Gains root access

Opens a port

Launching a process

Changes owner for a written file

Connection attempt

Creates or modifies files in /cron to set up autorun

Substitutes an application name

Writes files to system directory

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

Creates or modifies files to set up autorun

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

Deleting of the original file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

bashlite dropper gcc mirai obfuscated

Link:

https://www.filescan.io/uploads/6a9ae6d9e0701be505d2964b/reports/9096e2bf-8806-435f-9599-5bbc00552823/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/f36c5290daba558ac9039ea660c21fcc37f988b41f7305bcb2aa798577cd0c55

Behaviour

Persistence

Process Renaming

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/b50f36fc-7e0a-4277-a6b8-31edd3a04d28

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/63a14f12-e850-4129-9794-9075558e8d79

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/f36c5290daba558ac9039ea660c21fcc37f988b41f7305bcb2aa798577cd0c55

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f36c5290daba558ac9039ea660c21fcc37f988b41f7305bcb2aa798577cd0c55/

Threat name:

Linux.Trojan.PkexecExploit

Status:

Malicious

First seen:

2026-09-04 15:41:43 UTC

File Type:

ELF64 Little (Exe)

AV detection:

13 of 36 (36.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6nwffeg2xjkyvsidt2tgbqq7zq37tcfud5zqlpfsvj4yk56nbrkq._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion discovery exection execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/260904-s5glys1tey/

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

Modifies rc script

Modifies systemd

Creates/modifies Cron job

Creates/modifies environment variables

Enumerates active TCP sockets

Enumerates running processes

Modifies init.d

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:

Malicious File

Score:

0.84

Link:

https://yomi.yoroi.company/submissions/f36c5290daba558ac9039ea660c21fcc37f988b41f7305bcb2aa798577cd0c55

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:	dependsonpythonailib Create hunting rule
Author:	Tim Brown
Description:	Hunts for dependencies on Python AI libraries

Rule name:	ELF_IoT_Persistence_Hunt Create hunting rule
Author:	4r4
Description:	Hunts for ELF files with persistence and download capabilities

Rule name:	ELF_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

Rule name:	ELF_Toriilike_persist Create hunting rule
Author:	4r4
Description:	Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:	Identified via researched data

Rule name:	Linux_Exploit_CVE_2021_4034_1c8f235d Create hunting rule
Author:	Elastic Security

Rule name:	linux_generic_ipv6_catcher Create hunting rule
Author:	@_lubiedo
Description:	ELF samples using IPv6 addresses

Rule name:	Linux_Trojan_Gafgyt_0cd591cd Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_33b4111a Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_620087b9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_807911a2 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_9e9530a7 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_a33a8363 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d0c57a2e Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d4227dbf Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d996d335 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_1cb033f3 Create hunting rule
Author:	Elastic Security

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	test_rule_vldslv Create hunting rule

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/