MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 616922376e145bacf6ca2e972869be9aed61674aa19462cb0d26150a4bd4dd03. 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: 8


Intelligence 8 IOCs YARA 13 File information Comments

SHA256 hash: 616922376e145bacf6ca2e972869be9aed61674aa19462cb0d26150a4bd4dd03
SHA3-384 hash: 5f1e8995e8e08c6af9398913cf36854d4f7b36987942815127f0216451ee241151031620822f7a07638fb712d258ef6c
SHA1 hash: 9903cfeff1747bd37e7d606d2b0a0de531e0bf21
MD5 hash: 6a68cd39908891f79faf82848f93f936
humanhash: mockingbird-timing-eleven-lake
File name:ciubuc_aarch64
Download: download sample
Signature Mirai
File size:2'489'264 bytes
First seen:2026-04-12 10:49:29 UTC
Last seen:2026-04-12 21:40:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:+zYo1AC9ZPau5VTlf7nH98hCTqNr8D++7QzDszC9wP+0imkDds6hJWCVVCI4i3du:0+qPlU54gdZzEahjat4yPc07PX
TLSH T1FAB56D99EE0E3D42E3C7E27CDF4A8BB0313B76A8E32281B37952415CC0DA9D5D6B1255
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 :
2
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Opens a port
Changes access rights for a written file
Sends data to a server
Removes directories
Changes access rights for a file
Creating a file
Deleting a recently created file
Collects information on the network activity
Connection attempt
Accesses SSH
Traces processes
Deletes a system binary file
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 expand lolbin mirai obfuscated rust
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-04-12T10:33:00Z UTC
Last seen:
2026-04-13T06:58:00Z UTC
Hits:
~10
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-04-12 10:50:39 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
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:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


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

Web download

Mirai

elf 616922376e145bacf6ca2e972869be9aed61674aa19462cb0d26150a4bd4dd03

(this sample)

  
Delivery method
Distributed via web download

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