MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8fb925c08172daf54d8bb11e827af3c32651f04ba6fbde552208f4a4a5ef03e. 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

Gafgyt

Vendor detections: 10

Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash:	e8fb925c08172daf54d8bb11e827af3c32651f04ba6fbde552208f4a4a5ef03e
SHA3-384 hash:	3cdd1b5af512c4e9e696056c29ed0b672c23a6e983cc66dd09dec45848701ca0d0f47c3e0509763d8e50877709ce6007
SHA1 hash:	a00d3b9f31ff359b30274b7a23d304c69d9f5cfc
MD5 hash:	b81bd374ac72d782b10cc61842e90c05
humanhash:	equal-lion-september-july
File name:	i686
Download:	download sample
Signature	Gafgyt Create hunting rule
File size:	53'360 bytes
First seen:	2026-09-22 05:54:51 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:mWbtzYfXbGTlUknbgIljIyn6tBZeTzd6rjStnouy8/:LcaRUWb7jf6tbefMrjiout/
TLSH	T15F33F11660EBE16CFF5C83FF35AF77A31A51A0127AC4498458B8E096D061F122B1A3B2
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 gafgyt 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) :	53'360 bytes
File size (de-compressed) :	111'040 bytes
Format:	linux/i386
Unpacked file:	e592ce199f3d3f05d60878b2571be78834234d9cfda2a4771154cefb4db4c6b0

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/9ddf6570-7def-448d-a127-372d2756d793/

Detection(s):

SecuriteInfo.com.Linux.Mirai.10757.1444.14319.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Sets a written file as executable

Creates or modifies symbolic links

Receives data from a server

Kills processes

Changes access rights for a written file

Creating a file

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

Opens a port

Launching a process

Runs as daemon

Sends data to a server

Creates or modifies files in /cron to set up autorun

Writes files to system directory

Writes files to system subdirectory

Creates or modifies files to set up autorun

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

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

Performs a bruteforce attack in the network

Deleting of the original file

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6ab2185a426e8d476092d370/reports/02572b31-a2cf-4730-9373-620628671e52/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

UPX

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

Full report:

https://elfdigest.com/brief/e8fb925c08172daf54d8bb11e827af3c32651f04ba6fbde552208f4a4a5ef03e

Behaviour

Persistence

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-09-22T03:18:00Z UTC

Last seen:

2026-09-22T03:35:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/e8fb925c08172daf54d8bb11e827af3c32651f04ba6fbde552208f4a4a5ef03e/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/b97df96a-0e6c-471b-aaf9-f10c7ad3d468

Behavior Graph:

Download SVG

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/e56597b1-9192-4862-a3c0-1601f4deae24

Result

Threat name:

Gafgyt, Mirai

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1975968

Signature

Drops files in suspicious directories

Executes the "crontab" command typically for achieving persistence

Found malware configuration

Malicious sample detected (through community Yara rule)

Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions

Multi AV Scanner detection for submitted file

Protects files from modification

Sample deletes itself

Sample is packed with UPX

Sample reads /proc/mounts (often used for finding a writable filesystem)

Sample tries to persist itself using .desktop files

Sample tries to persist itself using /etc/profile

Sample tries to persist itself using cron

Sample tries to persist itself using System V runlevels

Sample tries to set files in /etc globally writable

Writes identical ELF files to multiple locations

Yara detected Gafgyt

Yara detected Mirai

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/e8fb925c08172daf54d8bb11e827af3c32651f04ba6fbde552208f4a4a5ef03e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e8fb925c08172daf54d8bb11e827af3c32651f04ba6fbde552208f4a4a5ef03e/

Threat name:

Linux.Backdoor.Gafgyt

Status:

Malicious

First seen:

2026-09-22 05:56:27 UTC

File Type:

ELF32 Little (Exe)

AV detection:

16 of 38 (42.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5d5zexaic4w26vgyxmi6qj5phqzgkhyexjx33zksechuuss66a7a._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion discovery execution linux persistence privilege_escalation upx

Link:

https://tria.ge/reports/260922-gmsqqahc43/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Creates a desktop entry file

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 Watchdog functionality

Modifies the /etc/hosts DNS resolution file

Contacts a large (20148) amount of remote hosts

Creates a large amount of network flows

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/e8fb925c08172daf54d8bb11e827af3c32651f04ba6fbde552208f4a4a5ef03e

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:	ELF_IoT_DVR_Botnet_Hama_UPX Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code

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/