MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2620287ebf42dcfaa27681720423bbffe383b637e9ad230c3814aaef67f003a. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2620287ebf42dcfaa27681720423bbffe383b637e9ad230c3814aaef67f003a
SHA3-384 hash: 99f2c5a603a423da2374ca05e315926c51b8e267fc4909771ec1f55cb73d6d987f375a1c97a9cf17a1d1c02a1150e7e7
SHA1 hash: 5b33a1b02601b005c508336edda587f8ae4768fd
MD5 hash: ae65e6eb4978a805e7f77376a3ff3bbd
humanhash: uranus-berlin-neptune-beryllium
File name:sshd
Download: download sample
Signature Mirai
Create hunting rule
File size:194'985 bytes
First seen:2025-07-12 05:29:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:ZQhQIsujTVjo/SnTnsU0tmsSMJJAEynLeNb:ZCQsxsonshtmsSMJJAEynLeNb
TLSH T17914DE3DF512973BD1A7423013EDAF215E6416C137D6B246E2B8E2786DB214F2C4AF98
telfhash t147315561943546152fb39928acbd56b315222a2323597f716f25c5cc49270e1e93dd0f
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-7139229-0
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6871f2eb900df8e7f86a09c5linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Launching a process
Connection attempt
Kills processes
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash gcc lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6871f2eda15b22faa8af6a10/reports/ad71e675-7322-493d-9326-be0f9aa668cc/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a9d88c5d-6610-47a3-bbce-d5f1e09e0340
Behavior Graph:
Download SVG
%3 guuid=80e0955b-1700-0000-1fc1-f5d7450c0000 pid=3141 /usr/bin/sudo guuid=28d7075d-1700-0000-1fc1-f5d7490c0000 pid=3145 /tmp/sample.bin guuid=80e0955b-1700-0000-1fc1-f5d7450c0000 pid=3141->guuid=28d7075d-1700-0000-1fc1-f5d7490c0000 pid=3145 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1662b6c9-2abf-4104-b0bb-9c4c51e44ae5
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1734500
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
Sample tries to kill multiple processes (SIGKILL)
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: 1734500 Sample: sshd.elf Startdate: 12/07/2025 Architecture: LINUX Score: 100 38 206.123.128.67, 43162, 43164, 43166 LEASEWEB-USA-NYC-11US United States 2->38 40 gay.energy 2->40 42 daisy.ubuntu.com 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 4 other signatures 2->50 9 sshd.elf 2->9         started        signatures3 process4 signatures5 54 Opens /proc/net/* files useful for finding connected devices and routers 9->54 12 sshd.elf 9->12         started        process6 signatures7 56 Sample tries to kill multiple processes (SIGKILL) 12->56 15 sshd.elf sh 12->15         started        17 sshd.elf sh 12->17         started        19 sshd.elf sh 12->19         started        21 59 other processes 12->21 process8 process9 23 sh killall 15->23         started        26 sh killall 17->26         started        28 sh killall 19->28         started        30 sh killall 21->30         started        32 sh killall 21->32         started        34 sh killall 21->34         started        36 56 other processes 21->36 signatures10 52 Terminates several processes with shell command 'killall' 23->52
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f2620287ebf42dcfaa27681720423bbffe383b637e9ad230c3814aaef67f003a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f2620287ebf42dcfaa27681720423bbffe383b637e9ad230c3814aaef67f003a/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-12 05:35:03 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6jrafb7l6qw47krhnalsaqr3x77dqo3dp2nnemgdqffk55t7aa5a._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery
Link:
https://tria.ge/reports/250712-f69ynswzds/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads CPU attributes
Reads system network configuration
Enumerates running processes
Reads system routing table
File and Directory Permissions Modification
Executes dropped EXE
Modifies Watchdog functionality
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/6075bb94-4d66-4623-9958-9d50f78840cc
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/f2620287ebf42dcfaa27681720423bbffe383b637e9ad230c3814aaef67f003a

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_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
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

Gafgyt

sh 4eb31fecafcac29addc2040a2e89174fd9f44b34444ebe05e14b5590722d5502

Mirai

elf f2620287ebf42dcfaa27681720423bbffe383b637e9ad230c3814aaef67f003a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576541/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 4eb31fecafcac29addc2040a2e89174fd9f44b34444ebe05e14b5590722d5502
  
Dropped by
MD5 25c585dc88d98179ea236c007dec72fa
  
URLhaus
https://urlhaus.abuse.ch/url/3576542/

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
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments