MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e497492dd5df48d4a4d63aeda5b4838b9d8ff99cf5ac82dadc8dfd479315d879. 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

SHA256 hash: e497492dd5df48d4a4d63aeda5b4838b9d8ff99cf5ac82dadc8dfd479315d879
SHA3-384 hash: 49eecd5e5b4c7cc226df5d399167b7a04aa630c27d6fea1ad32c2195fe7d9cd28617af5498efbd3dbf9461e3f62a621d
SHA1 hash: 86a6761a0a66a02118377b7fa1706631eebd3ae9
MD5 hash: 96ed3890a7d022d7bfa175a5543b9ec6
humanhash: maine-romeo-lamp-social
File name:a-r.m-5.Sakura
Download: download sample
Signature Mirai
File size:363'047 bytes
First seen:2025-06-30 11:16:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:Em5e9rtoyJoSL4cqDowrTaUrs3w044U5w+twifIF8a3RS9jjhhJsmqdToI1q98gd:Z5e9rhL4f9KPA04T5w+twdTRS9jjhhJx
TLSH T14F743A05EC104F6BC6D16BBAFB9A03CE763A5BA897DB32129E355D7033C2B49223D550
telfhash t1a7a16355983d49e9af630d28587d6bf31597a02522a2be28ff26ccc0445f01df514d0f
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 :
88
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Sanesecurity.Malware.30420.LX.BOT.UNOFFICIAL
Sanesecurity.Malware.32134.LX.BOT.UNOFFICIAL
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Unix.Trojan.Gafgyt-6981154-0
Unix.Trojan.Tsunami-6981155-0
Unix.Trojan.Tsunami-6981163-0
Unix.Trojan.Gafgyt-6981165-0
Unix.Trojan.Mirai-6981169-0
Unix.Dropper.Mirai-7135935-0
Unix.Dropper.Mirai-7135940-0
Unix.Dropper.Mirai-7135945-0
Unix.Dropper.Mirai-7135968-0
Unix.Dropper.Mirai-7136072-0
Unix.Dropper.Mirai-7136105-0
Unix.Dropper.Mirai-7139223-0
Unix.Dropper.Mirai-7139232-0
Unix.Trojan.Gafgyt-7643791-0
Unix.Proxy.Mirai-7844054-0
Unix.Trojan.Tsunami-9396652-0
Unix.Trojan.Gafgyt-9396656-0
Unix.Dropper.Gafgyt-9762292-0
Unix.Trojan.Gafgyt-9762295-0
Unix.Trojan.Mirai-9847812-0
Unix.Trojan.Mirai-9864781-0
Unix.Trojan.Mirai-9943729-0
Unix.Trojan.Mirai-9951087-0
Unix.Trojan.Mirai-10033529-0
Unix.Trojan.Mirai-10034904-0
Unix.Trojan.Mirai-10035004-0
Unix.Trojan.Mirai-5607483-0
Result
Verdict:
Malware
Maliciousness:
Status:
terminated
Behavior Graph:
%3 guuid=41aad2e3-1800-0000-aefb-78a05f0b0000 pid=2911 /usr/bin/sudo guuid=5c6585e5-1800-0000-aefb-78a0650b0000 pid=2917 /tmp/sample.bin guuid=41aad2e3-1800-0000-aefb-78a05f0b0000 pid=2911->guuid=5c6585e5-1800-0000-aefb-78a0650b0000 pid=2917 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
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
Multi AV Scanner detection for submitted file
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1725467 Sample: a-r.m-5.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 4 other signatures 2->60 8 a-r.m-5.Sakura.elf 2->8         started        signatures3 58 Uses dynamic DNS services 46->58 process4 file5 40 /usr/lib/.IkFVi2Vp, 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-5.Sakura.elf sh 8->12         started        14 a-r.m-5.Sakura.elf sh 8->14         started        16 a-r.m-5.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
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-06-30 11:38:10 UTC
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt botnet credential_access defense_evasion discovery persistence privilege_escalation
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
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_Gafgyt_May_2024
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_dayzddos
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_plaintext_c2
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
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:NET
Author:malware-lu
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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 e497492dd5df48d4a4d63aeda5b4838b9d8ff99cf5ac82dadc8dfd479315d879

(this sample)

  
Delivery method
Distributed via web download

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