MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f2b89c304fd0c0b618546dca6ae2b5b6c832841349025cd2e718149653e7d30. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f2b89c304fd0c0b618546dca6ae2b5b6c832841349025cd2e718149653e7d30
SHA3-384 hash: ba7b8e6f96c7a09ea76cef6e2ce98a66be7c905c1e788b92120dad1d79fdefbfbafcf12a1881a0afbb3c0ae9436d6e6f
SHA1 hash: 43e54f99112cd1ca2beabb6a1e29123951ddfe00
MD5 hash: 9780c99ec338d4a25b2b1c58965b80ee
humanhash: spaghetti-apart-skylark-maine
File name:system
Download: download sample
Signature Mirai
Create hunting rule
File size:147'289 bytes
First seen:2025-07-12 03:29:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Oyz9Cw7AqICrnXZ0pDSenPnn8IIWojmM2tBELDT5hN/:Oyz9fEXCFMlnUxXmM2tBELDT5hN/
TLSH T1C2E3EB2AF0128B73D1935670329DEE222E315BC137CFB55A72B466F469BB0477806E9C
telfhash t1ab316522943546192fb39928acbd56b311222b2323597f71af26c5cc49370f1e93dd0f
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 :
1
# of downloads :
16
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135944-0
Create hunting rule

Unix.Dropper.Mirai-7136018-0
Create hunting rule

Unix.Dropper.Mirai-7136031-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Malware.Mirai-9885121-0
Create hunting rule

Unix.Trojan.Gafgyt-10016892-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6871d6ccc9eb9747376878a3linux22vpnfull_triage
Tags:
n/a
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6871d6cb96dca66588503392/reports/24baa51c-0112-4267-852a-ac1d88e61bc5/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a978a204-b1ed-49e0-b67a-5253e449bec0
Behavior Graph:
Download SVG
%3 guuid=cd22f816-1900-0000-cd3d-596a11120000 pid=4625 /usr/bin/sudo guuid=eb60ad18-1900-0000-cd3d-596a19120000 pid=4633 /tmp/sample.bin guuid=cd22f816-1900-0000-cd3d-596a11120000 pid=4625->guuid=eb60ad18-1900-0000-cd3d-596a19120000 pid=4633 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f80d0d5c-0d74-456e-99e3-38c7a4855322
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1734445
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734445 Sample: system.elf Startdate: 12/07/2025 Architecture: LINUX Score: 96 37 206.123.128.67, 51842, 65481 LEASEWEB-USA-NYC-11US United States 2->37 39 109.202.202.202, 80 INIT7CH Switzerland 2->39 41 3 other IPs or domains 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 4 other signatures 2->49 9 system.elf 2->9         started        signatures3 process4 signatures5 53 Opens /proc/net/* files useful for finding connected devices and routers 9->53 12 system.elf 9->12         started        process6 process7 14 system.elf sh 12->14         started        16 system.elf sh 12->16         started        18 system.elf sh 12->18         started        20 59 other processes 12->20 process8 22 sh killall 14->22         started        25 sh killall 16->25         started        27 sh killall 18->27         started        29 sh killall 20->29         started        31 sh killall 20->31         started        33 sh killall 20->33         started        35 56 other processes 20->35 signatures9 51 Terminates several processes with shell command 'killall' 22->51
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4f2b89c304fd0c0b618546dca6ae2b5b6c832841349025cd2e718149653e7d30
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f2b89c304fd0c0b618546dca6ae2b5b6c832841349025cd2e718149653e7d30/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-12 03:33:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4vytqye7ugawymfi3oknlrllnwigkcbgsicltjoogauszj6puya._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/250712-d2mapswtdx/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135944-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/23bb6b6b-c832-476b-880f-d19f6aed0971
Please note that we are no longer able to provide a coverage score for Virus Total.

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_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: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_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
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 4f2b89c304fd0c0b618546dca6ae2b5b6c832841349025cd2e718149653e7d30

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576546/
  
Delivery method
Distributed via web download

Comments