MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0fc4bef48e5109478919a5b63475d5ffc8826a8946f6f2ebaf5e9e1c21b22ef. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0fc4bef48e5109478919a5b63475d5ffc8826a8946f6f2ebaf5e9e1c21b22ef
SHA3-384 hash: d9b0fe22d0dd51a652902ec4abc1821a4de6a362eaf0449530d0df336866393b06ca9e8a0df78e07c13e43ef9ac7d9a1
SHA1 hash: 8f6bbfe9aff6c60cdf1dbf319fcade240fdf0a45
MD5 hash: e0c6a249e0467d42f5a98fb160d8f4b2
humanhash: september-autumn-equal-georgia
File name:sshd
Download: download sample
Signature Mirai
Create hunting rule
File size:126'688 bytes
First seen:2025-07-19 23:27:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:FX4fQfgwHrIfvCJaFsavvUtD3SJLRfJ4ZIAh9+7RQ+5nCePhcv2W1qejdvXPmWRF:FX13avcTSJLRfJ4FQ5nx+v2SdfP9RF
TLSH T1CCC3C70E7F219FBEF6A8C73447B34A20975923D623E19685D2BCD9141F6028E641FFA4
telfhash t1de219e48497823f4a7755c4d1adeff77e5b130df5b222d278e11ada9a6bc8825e00c0c
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
18
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Receives data from a server
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated obfuscated remote
Link:
https://www.filescan.io/uploads/687c2a1b7bc45bdee1b1f94b/reports/844a1ffc-ccdf-496f-ab5c-4ca3b105e914/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/86ce2ea4-0bc3-4347-be55-98272c710a29
Behavior Graph:
Download SVG
%3 guuid=d35da132-1900-0000-faf3-de835e070000 pid=1886 /usr/bin/sudo guuid=fdd88734-1900-0000-faf3-de8363070000 pid=1891 /tmp/sample.bin guuid=d35da132-1900-0000-faf3-de835e070000 pid=1886->guuid=fdd88734-1900-0000-faf3-de8363070000 pid=1891 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fc8395a0-cb49-4aba-ae93-e12688838b0c
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1740240
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1740240 Sample: sshd.elf Startdate: 20/07/2025 Architecture: LINUX Score: 68 68 173.48.1.90 UUNETUS United States 2->68 70 65.230.125.161 UUNETUS United States 2->70 72 98 other IPs or domains 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Connects to many ports of the same IP (likely port scanning) 2->78 10 sshd.elf 2->10         started        12 xfce4-session xfce4-panel 2->12         started        14 xfce4-session xfce4-panel 2->14         started        16 10 other processes 2->16 signatures3 process4 process5 18 sshd.elf 10->18         started        20 xfce4-panel wrapper-2.0 12->20         started        22 xfce4-panel wrapper-2.0 12->22         started        24 xfce4-panel wrapper-2.0 12->24         started        30 3 other processes 12->30 26 xfce4-panel wrapper-2.0 14->26         started        28 xfce4-panel wrapper-2.0 14->28         started        32 4 other processes 14->32 34 6 other processes 16->34 process6 36 sshd.elf 18->36         started        39 sshd.elf 18->39         started        41 wrapper-2.0 xfpm-power-backlight-helper 20->41         started        43 wrapper-2.0 xfpm-power-backlight-helper 26->43         started        signatures7 80 Sample tries to kill multiple processes (SIGKILL) 36->80 45 sshd.elf sh 36->45         started        47 sshd.elf sh 36->47         started        49 sshd.elf sh 36->49         started        51 28 other processes 36->51 process8 process9 53 sh killall 45->53         started        56 sh killall 47->56         started        58 sh killall 49->58         started        60 sh killall 51->60         started        62 sh killall 51->62         started        64 sh killall 51->64         started        66 25 other processes 51->66 signatures10 82 Terminates several processes with shell command 'killall' 53->82
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b0fc4bef48e5109478919a5b63475d5ffc8826a8946f6f2ebaf5e9e1c21b22ef
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b0fc4bef48e5109478919a5b63475d5ffc8826a8946f6f2ebaf5e9e1c21b22ef/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/b0fc4bef48e5109478919a5b63475d5ffc8826a8946f6f2ebaf5e9e1c21b22ef
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-19 23:28:29 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 22 (63.64%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wd6ex32i4uiji6ertjnwgr25l76iqjvisrxw6lv26xu6dqq3elxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery
Link:
https://tria.ge/reports/250719-3f6jwsap71/
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Writes memory of remote process
Contacts a large (122354) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
YARA:
n/a
Link:
https://app.threat.zone/submission/26b3d847-0289-4dc6-87d6-2d0895e7f0d3
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/b0fc4bef48e5109478919a5b63475d5ffc8826a8946f6f2ebaf5e9e1c21b22ef

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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 b0fc4bef48e5109478919a5b63475d5ffc8826a8946f6f2ebaf5e9e1c21b22ef

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3584478/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3584470/
  
URLhaus
https://urlhaus.abuse.ch/url/3576541/

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