MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3873e7dd0bafb7dbfb0996fd135361e90e638ea324cd0146ad9759b8770cd18. 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 10 File information Comments

SHA256 hash: c3873e7dd0bafb7dbfb0996fd135361e90e638ea324cd0146ad9759b8770cd18
SHA3-384 hash: bfcdc459d2a299227c331b4514022096a9b8c969a9603a8e28faebf0fde902721588af4aff2a8c6a427e247d1926214c
SHA1 hash: be3a6d3f6fd7a390f7f6e34e1764c69fb3ec672a
MD5 hash: 66ea67ecfe1e8e78d75bb88fb0514859
humanhash: venus-double-california-magazine
File name:bot.arm7
Download: download sample
Signature Mirai
File size:184'862 bytes
First seen:2025-12-07 13:35:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:xESFFNySClK1Tvk3ahn4qfdQGGgQzWo6Ei/YpEoGM/RxMQkunSh:SSHNwlKBM3ahn4qFQ/Koli/yJGM/RxMf
TLSH T1A7043A45EA414B13C0D72BB9F6DF42453323A7A497EB73069528AFF43F8279A4E23905
telfhash t1bc3111b19679512a59a1ec68edde5bb2511a96172340fe33ee21c0cc380a44fe52bc0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
33
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
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-06T07:13:00Z UTC
Last seen:
2025-12-06T09:12:00Z UTC
Hits:
~10
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1828361 Sample: bot.arm7.elf Startdate: 07/12/2025 Architecture: LINUX Score: 100 18 master.0x504.com 45.152.161.176, 39028, 47925 THADDEUS_NGGB Germany 2->18 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->22 24 Suricata IDS alerts for network traffic 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 5 other signatures 2->30 8 bot.arm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 bot.arm7.elf 8->14         started        process6 16 bot.arm7.elf 14->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-07 13:36:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Malware Config
C2 Extraction:
master.0x504.com
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135925-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 c3873e7dd0bafb7dbfb0996fd135361e90e638ea324cd0146ad9759b8770cd18

(this sample)

  
Delivery method
Distributed via web download

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