MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84fc61c65cb8f559575883fcab6431e82745bc8e7551a540fa6f3134a56efc77. 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: 6


Intelligence 6 IOCs YARA 13 File information Comments

SHA256 hash: 84fc61c65cb8f559575883fcab6431e82745bc8e7551a540fa6f3134a56efc77
SHA3-384 hash: 2b50c69be10ccd469b46f29aed84f98eec6ee084a490e9611f0e8961b2dd3557dacd5ed1f1329d996228fb2391a660fe
SHA1 hash: 168162f040b8648e5cdf77c7243846179273ec7a
MD5 hash: e507b41a363c6f9fecbfda6b272031bb
humanhash: nebraska-iowa-monkey-spaghetti
File name:sys64.arm7
Download: download sample
Signature Mirai
File size:682'008 bytes
First seen:2026-08-11 14:08:13 UTC
Last seen:2026-08-12 13:30:39 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:mMTJMMw9rcArInr/SgcCAwPmlyzAaS3DsZXzPvzar/S2QJx8CeVThlrKM:hcUr/HO6AaAQZnzau
TLSH T194E44A26FC819B91D5C15BBFFF5E925933132B78E2EE7103DD141B2427DA89A0E3A601
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Clean
Maliciousness:

Behaviour
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand gcc lolbin masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-11T11:55:00Z UTC
Last seen:
2026-08-12T01:41:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=36c72224-1c00-0000-62b7-503ff90b0000 pid=3065 /usr/bin/sudo guuid=a6f9e025-1c00-0000-62b7-503ffd0b0000 pid=3069 /tmp/sample.bin guuid=36c72224-1c00-0000-62b7-503ff90b0000 pid=3065->guuid=a6f9e025-1c00-0000-62b7-503ffd0b0000 pid=3069 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1956116 Sample: sys64.arm7.elf Startdate: 11/08/2026 Architecture: LINUX Score: 64 13 Multi AV Scanner detection for submitted file 2->13 15 Yara detected Mirai 2->15 7 sys64.arm7.elf 2->7         started        process3 process4 9 sys64.arm7.elf 7->9         started        process5 11 sys64.arm7.elf 9->11         started       
Threat name:
Linux.Worm.Mirai
Status:
Suspicious
First seen:
2026-08-11 14:15:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads network interface configuration
Unexpected DNS network traffic destination
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 84fc61c65cb8f559575883fcab6431e82745bc8e7551a540fa6f3134a56efc77

(this sample)

  
Delivery method
Distributed via web download

Comments