MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f3dd7405902728a3dccc6d5c8339be8df84718db36d3018f1eb32a4cb532d45. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f3dd7405902728a3dccc6d5c8339be8df84718db36d3018f1eb32a4cb532d45
SHA3-384 hash: 81d00795d3ff3975fede0d21cb1e413050edaffa077d06149f065e0f8336792c881b4b3bc8345c1d38621d338c82be7b
SHA1 hash: b0ede9f05da201160072e4bf865e754c4ed9b877
MD5 hash: 0269cc591749ea57c05ef8f3b8c7a655
humanhash: iowa-jig-fruit-london
File name:a-r.m-6.Sakura
Download: download sample
Signature Mirai
Create hunting rule
File size:385'376 bytes
First seen:2025-06-30 10:55:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:+uDaBhUT/sZGUWCoq+MN2axVwB0Ve6HKeRy65w+twifItlaUPJN4AT8uJSm+J1dJ:vDabmqhs42axVDtHKeRN5w+tw17JN/4B
TLSH T1CC846C05E9504F67C6D127BAFB5E428E323B1FA897CB72128D389EB027C2B5D263D550
telfhash t187a17355d83d4aa9af630d2998796ff30597a02522e2be68ff26ccc0449f01df518d4f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.30420.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32134.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Tsunami-6981163-0
Create hunting rule

Unix.Trojan.Gafgyt-6981165-0
Create hunting rule

Unix.Trojan.Mirai-6981169-0
Create hunting rule

Unix.Dropper.Mirai-7135935-0
Create hunting rule

Unix.Dropper.Mirai-7135940-0
Create hunting rule

Unix.Dropper.Mirai-7135945-0
Create hunting rule

Unix.Dropper.Mirai-7135968-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7136105-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Dropper.Mirai-7489238-0
Create hunting rule

Unix.Trojan.Mirai-7582945-0
Create hunting rule

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Proxy.Mirai-7844054-0
Create hunting rule

Unix.Trojan.Gafgyt-9396656-0
Create hunting rule

Unix.Dropper.Gafgyt-9762292-0
Create hunting rule

Unix.Trojan.Gafgyt-9762295-0
Create hunting rule

Unix.Trojan.Mirai-9847812-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Unix.Trojan.Mirai-9917488-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6862734b0fceda814b47413blinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Mounts file systems
Connection attempt
Attempts to kill processes by name
Manages services
Kills processes
Sets a written file as executable
Creating a process from a recently created file
Launching a process
Collects information on the CPU
Changes the time when the file was created, accessed, or modified
Creating a file in the %temp% directory
Deleting a recently created file
Writes files to system directory
Replaces system binary files
Deletes a system binary file
Creates or modifies files to set up autorun
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ea90f4f4-9e27-4c09-ba2f-3cef33864f0b
Behavior Graph:
Download SVG
%3 guuid=280ac1a7-1800-0000-818c-7ee83d0d0000 pid=3389 /usr/bin/sudo guuid=15d6afa9-1800-0000-818c-7ee8440d0000 pid=3396 /tmp/sample.bin guuid=280ac1a7-1800-0000-818c-7ee83d0d0000 pid=3389->guuid=15d6afa9-1800-0000-818c-7ee8440d0000 pid=3396 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f3297d73-616b-4696-9ea1-8b3ddb1d3815
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1725444
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains symbols with names commonly found in malware
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Opens /proc/net/* files useful for finding connected devices and routers
Protects files from modification
Sample deletes itself
Uses dynamic DNS services
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1725444 Sample: a-r.m-6.Sakura.elf Startdate: 30/06/2025 Architecture: LINUX Score: 100 46 btorgbds.duckdns.org 2->46 48 169.254.169.254, 80 USDOSUS Reserved 2->48 50 2 other IPs or domains 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 60 3 other signatures 2->60 8 a-r.m-6.Sakura.elf 2->8         started        signatures3 58 Uses dynamic DNS services 46->58 process4 file5 40 /usr/lib/.gUYouPni, ELF 8->40 dropped 42 /root/.bashrc, ASCII 8->42 dropped 44 /root/.bash_profile, ASCII 8->44 dropped 70 Drops invisible ELF files 8->70 72 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 8->72 74 Opens /proc/net/* files useful for finding connected devices and routers 8->74 12 a-r.m-6.Sakura.elf sh 8->12         started        14 a-r.m-6.Sakura.elf sh 8->14         started        16 a-r.m-6.Sakura.elf sh 8->16         started        18 64 other processes 8->18 signatures6 process7 process8 20 sh cp 12->20         started        24 sh cp 14->24         started        26 sh cp 16->26         started        28 sh dd 18->28         started        30 sh dd 18->30         started        32 sh dd 18->32         started        34 59 other processes 18->34 file9 36 /usr/sbin/init, ELF 20->36 dropped 62 Writes identical ELF files to multiple locations 20->62 64 Drops files in suspicious directories 20->64 38 /usr/bin/systemctl, ELF 26->38 dropped 66 Protects files from modification 34->66 68 Sample deletes itself 34->68 signatures10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6f3dd7405902728a3dccc6d5c8339be8df84718db36d3018f1eb32a4cb532d45
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f3dd7405902728a3dccc6d5c8339be8df84718db36d3018f1eb32a4cb532d45/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-06-30 15:03:02 UTC
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n465oqczajziupomy3k4qm435dpyi4mnwnwtaghr5mzkjs2tfvcq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt botnet credential_access defense_evasion discovery persistence privilege_escalation
Link:
https://tria.ge/reports/250630-nr8fasxygz/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads CPU attributes
Reads system network configuration
Modifies Bash startup script
Creates/modifies environment variables
Enumerates running processes
Modifies systemd
Reads system routing table
Write file to user bin folder
Writes file to system bin folder
File and Directory Permissions Modification
Executes dropped EXE
Modifies Watchdog functionality
OS Credential Dumping
Unexpected DNS network traffic destination
Writes DNS configuration
Detected Gafgyt variant
Gafgyt family
Gafgyt/Bashlite
Malware Config
C2 Extraction:
239.255.255.250:1900
Verdict:
Malicious
Tags:
botnet trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_6ae4b580 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/93a7cf10-edc6-40e1-8f15-0f7676cfde9c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/6f3dd7405902728a3dccc6d5c8339be8df84718db36d3018f1eb32a4cb532d45

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:botnet_dayzddos
Create hunting rule
Author:NDA0E
Description:dayzddos 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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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:Linux_Trojan_Gafgyt_6ae4b580
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:NET
Create hunting rule
Author:malware-lu
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 6f3dd7405902728a3dccc6d5c8339be8df84718db36d3018f1eb32a4cb532d45

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3571106/
  
Delivery method
Distributed via web download

Comments