MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 557c3e6e7d59d96137630377e8a018a6725adec14b4fc861e636df8b1a15825c. 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: 11

Intelligence 11 IOCs YARA 34 File information Comments

SHA256 hash:	557c3e6e7d59d96137630377e8a018a6725adec14b4fc861e636df8b1a15825c
SHA3-384 hash:	12474f7a356ddfcd0e0cb07e80da5bc3f39b5b69d11fd9a0edcc4fca64651edce1fbf98acc6de6010748da2e89502363
SHA1 hash:	1f07ba8dea2c7d52b7bf8a92a64f025a360bc3d5
MD5 hash:	7f36d0dfcf3e9b7bc33237b1a6ba7ee2
humanhash:	uncle-summer-nevada-golf
File name:	x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	350'967 bytes
First seen:	2025-07-14 11:10:39 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	6144:2jAsWdIMT5rgVgD4BhbXOWmEFB8MW2GkkQNU:bTQgDQXhmEFB8MW2GkkQNU
TLSH	T19C749633A9158495D0108CF322A773559C079BBF88B622D3EB566EA4FF3441B52BEEC1
telfhash	t11931661194355a182fb3d924acbc57f31622172723582e716f26c0cc44370e2ea39d0f
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 mirai

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL

Sanesecurity.Malware.29052.TSource.UNOFFICIAL

Unix.Trojan.Gafgyt-6981154-0

Unix.Trojan.Mirai-6981169-0

Unix.Dropper.Mirai-7135944-0

Unix.Dropper.Mirai-7135945-0

Unix.Dropper.Mirai-7136018-0

Unix.Dropper.Mirai-7136031-0

Unix.Dropper.Mirai-7139229-0

Unix.Dropper.Mirai-7540662-0

Unix.Trojan.Mirai-8041683-0

Unix.Dropper.Gafgyt-9762292-0

Unix.Trojan.Mirai-9943729-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Removes directories from a subdirectory of a temporary directory

Deleting a recently created file

Removes directories

Deletes a file

Removes directories from a temporary directory

Connection attempt

Launching a process

Substitutes an application name

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

explorer gcc lolbin

Link:

https://www.filescan.io/uploads/6874e5e0a567bf5f1482be33/reports/a79df92e-d09b-4b5d-84ed-579979179643/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/557c3e6e7d59d96137630377e8a018a6725adec14b4fc861e636df8b1a15825c

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

type:Gafgyt 213.232.114.169:180

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/f1fde01e-feac-4db7-93b5-3789e97053ff

Behavior Graph:

Download SVG

Malware family:

Gafgyt

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/526a742e-9d84-4026-91d3-04dade98dd45

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/557c3e6e7d59d96137630377e8a018a6725adec14b4fc861e636df8b1a15825c

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/557c3e6e7d59d96137630377e8a018a6725adec14b4fc861e636df8b1a15825c/

Threat name:

Linux.Backdoor.Gafgyt

Status:

Malicious

First seen:

2025-07-14 11:11:23 UTC

File Type:

ELF64 Little (Exe)

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kv6d43t5lhmwcn3dan36riayuzzfvxwbjnh4qypgg3pywgqvqjoa._file

Result

Malware family:

gafgyt

Score:

10/10

Tags:

family:gafgyt defense_evasion discovery linux

Link:

https://tria.ge/reports/250714-naerna1kx3/

Behaviour

Reads runtime system information

Changes its process name

Reads system network configuration

Enumerates active TCP sockets

Enumerates running processes

Reads system routing table

Modifies Watchdog functionality

Verdict:

Malicious

Tags:

botnet trojan mirai gafgyt Unix.Trojan.Gafgyt-6981154-0

YARA:

botnet_dedsec botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_a6a2adb9 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_e0673a90 Linux_Trojan_Gafgyt_a0a4de11 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_09c3070e Linux_Trojan_Gafgyt_46eec778 Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_656bf077 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_dd0d6173 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_cf84c9f2 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_862c4e0e Linux_Trojan_Gafgyt_32eb0c81 Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_3fe3c668 Linux_Trojan_Mirai_637f2c04 Linux_Gafgyt_May_2024

Link:

https://app.threat.zone/submission/c7ca2b15-b98c-45b8-b41d-4ca46e108b23

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/557c3e6e7d59d96137630377e8a018a6725adec14b4fc861e636df8b1a15825c

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:	botnet_dayzddos Create hunting rule
Author:	NDA0E
Description:	dayzddos botnet

Rule name:	botnet_dedsec Create hunting rule
Author:	NDA0E
Description:	dedsec botnet

Rule name:	botnet_plaintext_c2 Create hunting rule
Author:	cip
Description:	Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

Rule name:	elf_bashlite_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects elf.bashlite.

Rule name:	Linux_Gafgyt_Generic Create hunting rule
Author:	albertzsigovits
Description:	Generic Approach to Mirai/Gafgyt samples

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

Rule name:	Linux_Trojan_Gafgyt_09c3070e Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_0cd591cd Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_28a2fe0c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_32eb0c81 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_33b4111a Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_46eec778 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_620087b9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_656bf077 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_779e142f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_807911a2 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_862c4e0e Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_9e9530a7 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_a0a4de11 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_a33a8363 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_a6a2adb9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_cf84c9f2 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_Gafgyt_dd0d6173 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_e0673a90 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_f3d83a74 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_3fe3c668 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_637f2c04 Create hunting rule
Author:	Elastic Security

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	ScanStringsInsocks5systemz Create hunting rule
Author:	Byambaa@pubcert.mn
Description:	Scans presence of the found strings using the in-house brute force method

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

Rule name:	unixredflags3 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 557c3e6e7d59d96137630377e8a018a6725adec14b4fc861e636df8b1a15825c

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3580459/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

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