MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5aa2238923becb1a58dbb28219c4c3dc27b088980db41df6b65fa30770fbfd2. 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: 7


Intelligence 7 IOCs YARA 12 File information Comments

SHA256 hash: f5aa2238923becb1a58dbb28219c4c3dc27b088980db41df6b65fa30770fbfd2
SHA3-384 hash: 3c5c7244faac9310055e9ad0ef6e84e3b131ad35b5ff49729de736f260f1678b1326a48ee1eaac05ccf9d67b54330374
SHA1 hash: 0014be5569ef4376bcc769239008fde0407099cf
MD5 hash: cca9b97fa8adcf428f0f7f14ee369bbb
humanhash: pluto-lemon-yellow-speaker
File name:kaizen.mips64_srv
Download: download sample
Signature Mirai
File size:181'384 bytes
First seen:2026-06-18 07:36:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:172OpTTPQ6ocBCJxDF5jL/9SP9LhY3/Am:/u8P
TLSH T107044C97EE091FA9E5AECF74845B50AF456E05E637A2C023E35C1D35329F38B079488E
telfhash t1624101b04f5b65351a58cbec80c97359949ca292c942cf27ff18886c613489fe89df0f
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 :
49
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Opens a port
Connection attempt
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai
Status:
terminated
Behavior Graph:
%3 guuid=5b1ec096-1e00-0000-ad92-c8ec1b120000 pid=4635 /usr/bin/sudo guuid=75aecb98-1e00-0000-ad92-c8ec23120000 pid=4643 /tmp/sample.bin guuid=5b1ec096-1e00-0000-ad92-c8ec1b120000 pid=4635->guuid=75aecb98-1e00-0000-ad92-c8ec23120000 pid=4643 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-18 07:38:52 UTC
File Type:
ELF64 Little (SO)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
System Network Configuration Discovery
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:elf_arm_mips_ko_so
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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:testlumma
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 f5aa2238923becb1a58dbb28219c4c3dc27b088980db41df6b65fa30770fbfd2

(this sample)

  
Delivery method
Distributed via web download

Comments