MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64b3b2dd86f82d98bba82adb00737ddcf188620a3ee9f9bfcb467901e05365d1. 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 9 File information Comments

SHA256 hash: 64b3b2dd86f82d98bba82adb00737ddcf188620a3ee9f9bfcb467901e05365d1
SHA3-384 hash: a8d99a55e1393239581e184368d709911312f6f9923ed18641039f326b1a8c8a17319f653d98f28e2c5f6aee4af73449
SHA1 hash: 76cb3aace3eed36414048a3ca99016cef8d97316
MD5 hash: 872840bbfc132660093142e451a58f10
humanhash: kitten-december-magnesium-west
File name:ciubuc_i486
Download: download sample
Signature Mirai
File size:91'032 bytes
First seen:2026-04-11 10:31:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:aMnfxRfg+P++NZfJHyFj4B3/HDyNL4G2U831kmcbQQ2NjELIjr:aMfxVja945PDcLEymBjTn
TLSH T189937B46F787D5F0CD4204B0119FFF7AAB35E9B12220EE6BE7D4B932AC726425406A5C
telfhash t1ac31effa0af90cc8b7c05502a15a6b612e1db63b1860377247b3e23523afe42513ac3c
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 :
1
# of downloads :
52
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
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
Changes access rights for a file
Deletes a file
Deleting a recently created file
Connection attempt
Traces processes
Deletes a system binary file
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
exploit gafgyt mirai obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-11T07:37:00Z UTC
Last seen:
2026-04-11T19:07:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-11 10:31:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery linux
Behaviour
Changes its process name
Deletes Audit logs
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Traces itself
Contacts a large (150526) amount of remote hosts
Creates a large amount of network flows
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: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:Linux_Trojan_Mirai_3a56423b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6e8e9257
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_aa39fb02
Author:Elastic Security
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 64b3b2dd86f82d98bba82adb00737ddcf188620a3ee9f9bfcb467901e05365d1

(this sample)

  
Delivery method
Distributed via web download

Comments