MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d799638ca6ac2783b1405f317dfea4ec0c5cafdd012e01f87aad511d8ee7be0. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments

SHA256 hash: 6d799638ca6ac2783b1405f317dfea4ec0c5cafdd012e01f87aad511d8ee7be0
SHA3-384 hash: 36970509e16a1c864e9ae2051d98b5824857ffa99dca401c2b582cf5b5167b021c01cb4d5cd86e2f7f3407655ed3724a
SHA1 hash: 2bccdf6572cc31639bcf2e5706d361c1898e8beb
MD5 hash: da029b89d77867c5669b8b7071d56522
humanhash: nuts-quebec-avocado-fillet
File name:yamaha.arm7
Download: download sample
Signature Mirai
File size:230'749 bytes
First seen:2025-12-27 18:35:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:oyJMQcZiI3EOg9ZzPbIasVaPD7oW9h5a3OP8OiM/RG9mb2SgiUvP:RJMQcZiAgzPbIasVaPD7BeDOr/I9mbDc
TLSH T14E342946EA418E13C0D627B9F69F42453333A765D3E77306A928AFB43F8675E0E23605
telfhash t19f4152f1967e86160aa1ea9cdded6ba60519d6121342ff33ff21c4ec141504eda19c1f
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-23T16:59:00Z UTC
Last seen:
2025-12-23T17:34:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=4b133dcd-2000-0000-018e-2db13c0a0000 pid=2620 /usr/bin/sudo guuid=ef9706cf-2000-0000-018e-2db1420a0000 pid=2626 /tmp/sample.bin guuid=4b133dcd-2000-0000-018e-2db13c0a0000 pid=2620->guuid=ef9706cf-2000-0000-018e-2db1420a0000 pid=2626 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1840421 Sample: yamaha.arm7.elf Startdate: 27/12/2025 Architecture: LINUX Score: 72 13 Malicious sample detected (through community Yara rule) 2->13 15 Antivirus / Scanner detection for submitted sample 2->15 17 Multi AV Scanner detection for submitted file 2->17 19 Yara detected Mirai 2->19 7 yamaha.arm7.elf 2->7         started        process3 process4 9 yamaha.arm7.elf sh 7->9         started        process5 11 sh cp 9->11         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-27 18:36:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Modifies systemd
Writes file to system bin folder
Modifies Watchdog functionality
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_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
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 6d799638ca6ac2783b1405f317dfea4ec0c5cafdd012e01f87aad511d8ee7be0

(this sample)

  
Delivery method
Distributed via web download

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