MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1a6155d4a18a6a055bbaae49dde2ee233c52c2f80b4ce10725b78e4e1664da9. 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 22 File information Comments

SHA256 hash:	c1a6155d4a18a6a055bbaae49dde2ee233c52c2f80b4ce10725b78e4e1664da9
SHA3-384 hash:	f2edbc6612711b272df998652045438d39565574abb55b72deb2e487e9432476494c704598805b6a8f58f43c2c3694fc
SHA1 hash:	021b0102b59dbf7d3031ea7df0a9049572acf1fc
MD5 hash:	32b07378389560f58365ec42471af44d
humanhash:	lithium-dakota-carbon-summer
File name:	reaver.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	158'368 bytes
First seen:	2026-08-28 19:37:29 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:0WEM41C30nz4jLnqrgDPvC8c14WL1JqeqPqhfECYrYxMkH3vsPUBV3J7uZ:DEMuC4z4j+wnU3GJStsAfsPUEZ
TLSH	T1E5F33B13B9C0C9FEC486D1B48BFF562AC931FC2E1535B28E67947F922E1DD902B19264
telfhash	t13f51cb602d99795c30e7cb09b31ed82dfdb10a445dd278a99e277ea8ca427880d760f7
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 7620fbc8c5de8dc43c8f12ff89200945de33ecb3346da746dda2b2b82406b539

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) :	69'988 bytes
File size (de-compressed) :	158'368 bytes
Format:	linux/amd64
Packed file:	7620fbc8c5de8dc43c8f12ff89200945de33ecb3346da746dda2b2b82406b539

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

Kills processes

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

Creating a process from a recently created file

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 files to set up autorun

Deleting of the original file

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

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

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-08-28T17:45:00Z UTC

Last seen:

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

Hits:

~10

Link:

https://opentip.kaspersky.com/c1a6155d4a18a6a055bbaae49dde2ee233c52c2f80b4ce10725b78e4e1664da9/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/b1c4f99c-e60d-4cc1-a0c2-b99f8307d8e8

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0f4a6999-7748-4f7f-83f3-d803b05186aa

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/c1a6155d4a18a6a055bbaae49dde2ee233c52c2f80b4ce10725b78e4e1664da9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c1a6155d4a18a6a055bbaae49dde2ee233c52c2f80b4ce10725b78e4e1664da9/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-08-28 19:36:48 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=ygtbkxkkdctkavn3vlsj3xro4iz4klbpqc2m4edsln4ojylgjwuq._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion discovery exection execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/260828-ycj49ssfnc/

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

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:

Malicious File

Score:

0.87

Link:

https://yomi.yoroi.company/submissions/c1a6155d4a18a6a055bbaae49dde2ee233c52c2f80b4ce10725b78e4e1664da9

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_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/