MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 137f2f9ab4575d6bacb39e828fcf934131668d5353439d6555867e5585addc80. 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: 10


Intelligence 10 IOCs YARA 21 File information Comments

SHA256 hash: 137f2f9ab4575d6bacb39e828fcf934131668d5353439d6555867e5585addc80
SHA3-384 hash: 3338aacc8b700b105e317c272dbc2e33b4e0666b40b1d4abba497ecd9969b0abe86e4e4167953c8c1cbc27af52c68b47
SHA1 hash: 91aad4413655eb7d874896a1d310b0a7f71726f8
MD5 hash: 6bc645e967252035109c6836a3961b0a
humanhash: aspen-monkey-idaho-mirror
File name:x86_64
Download: download sample
Signature Mirai
File size:81'200 bytes
First seen:2026-02-08 06:44:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Sa+3bTFz/qgCQzwnXBFbeIiSjPa1LB9Um763IlrSR1AQr8gj:9+r5z/qBQzcx5p1QUmMIlI1AQrDj
TLSH T109833B07758080FCC4A9D17447BFB13AD473357E1239B2AA67D4FE222D85E602F2E9A5
telfhash t14b3146b53e9a0850d0f7e172b642f5a559320aa015f234e6ae77a8f3df523844e31817
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 mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Result
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ez
Result
Threat name:
Mirai, Moobot
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1865446 Sample: x86_64.elf Startdate: 08/02/2026 Architecture: LINUX Score: 100 54 dd.lumibiki.xyz 2->54 56 dd.lumibiki.xyz 103.43.8.15, 55650, 57514 HKNEWCLOUD-AS-APHKNEWCLOUDTECHNOLOGYLIMITEDHK Hong Kong 2->56 58 6 other IPs or domains 2->58 64 Suricata IDS alerts for network traffic 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 72 3 other signatures 2->72 8 x86_64.elf 2->8         started        11 systemd gpu-manager 2->11         started        13 systemd gpu-manager 2->13         started        15 105 other processes 2->15 signatures3 70 Performs DNS queries to domains with low reputation 54->70 process4 signatures5 74 Sample deletes itself 8->74 17 x86_64.elf 8->17         started        20 x86_64.elf sh 8->20         started        22 x86_64.elf sh 8->22         started        28 2 other processes 8->28 30 8 other processes 11->30 32 8 other processes 13->32 76 Sample reads /proc/mounts (often used for finding a writable filesystem) 15->76 24 gpu-manager sh 15->24         started        26 gpu-manager sh 15->26         started        34 158 other processes 15->34 process6 signatures7 60 Sample tries to kill a massive number of system processes 17->60 62 Sample tries to kill multiple processes (SIGKILL) 17->62 36 sh systemctl 20->36         started        38 sh systemctl 22->38         started        40 sh grep 24->40         started        42 sh grep 26->42         started        44 x86_64.elf 28->44         started        48 8 other processes 30->48 50 8 other processes 32->50 46 sh grep 34->46         started        52 130 other processes 34->52 process8
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai credential_access discovery linux persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Modifies systemd
Deletes itself
Malware Config
C2 Extraction:
dd.lumibiki.xyz
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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:elf_mirai_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 137f2f9ab4575d6bacb39e828fcf934131668d5353439d6555867e5585addc80

(this sample)

  
Delivery method
Distributed via web download

Comments