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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 491934eaa2b3697004d123fff33b92e9dec94dcc15cfecf5d9989697f1dcc658. 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 5 File information Comments

SHA256 hash: 491934eaa2b3697004d123fff33b92e9dec94dcc15cfecf5d9989697f1dcc658
SHA3-384 hash: 74cd244910f465c32d0cb2370583fbbfd036909243ffa94f0554986ac474ef4dfaa2d6d8f0445842d8c2acf467da451e
SHA1 hash: be4404050abdf94ae482919eff5b9db0ade2704b
MD5 hash: 398286e250dc32da273cf16bed56a275
humanhash: massachusetts-robert-golf-whiskey
File name:arm6
Download: download sample
Signature Mirai
File size:97'024 bytes
First seen:2026-10-05 16:47:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:bwMlH1cA9UejzDmc/7UYD6V2oln+epKUxgpFnXTALwBLrX0SvfPK9NMXN1N25DFQ:XHjK6XTYYD6Vxl+8mXALw11vfsGNiDlQ
TLSH T1C7931290903C3B42CED269769B5D4FCDD4409978A25F21FB12B3D221827A2D50BB7D5B
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 BlinkzSec
Tags:mirai UPX
File size (compressed) :97'024 bytes
File size (de-compressed) :244'572 bytes
Format:linux/arm
Unpacked file: 58af92ea0cc6475978a1d9762a26e3966e3ea36382ab6ddab30442774dd99bb4

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
SK SK
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-05T14:04:00Z UTC
Last seen:
2026-10-07T08:52:00Z UTC
Hits:
~10
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-10-05 16:38:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:aisuru family:mirai actor:aisuru botnet discovery upx
Behaviour
Reads runtime system information
Detects AISURU payload.
Family: AISURU
Family: Mirai
Mirai ARM payload
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_DVR_Botnet_Hama_UPX
Author:Serhii Kocherhan
Description:Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
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:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 491934eaa2b3697004d123fff33b92e9dec94dcc15cfecf5d9989697f1dcc658

(this sample)

  
Delivery method
Distributed via web download

Comments