MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a4636e894d4d7a9ac0880a1210d70e0cf2c05e14924bcfbf39cffcef27c1e41. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a4636e894d4d7a9ac0880a1210d70e0cf2c05e14924bcfbf39cffcef27c1e41
SHA3-384 hash: be8ae406a70bbae322c29818029332fd0b9d25d60eb576417cf60040d6731ace1157e688b37b595f199e23a73f331cbc
SHA1 hash: cb6cdbb8df88e37fd3ead37be7d815a6674f63ac
MD5 hash: 5af2dcb2788bb7a9d70c7fbf9da6273e
humanhash: connecticut-echo-crazy-mobile
File name:nz.arc
Download: download sample
Signature Mirai
Create hunting rule
File size:124'676 bytes
First seen:2026-07-31 01:05:30 UTC
Last seen:2026-08-01 01:39:23 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:ErMjtT/2h9gduHjVLraXQHlWuoPpMS4sTlt0y1csxs5tZgRCET/LW5:ErWT/i9LGXQFn+z4sT4y1chgJq
TLSH T11CC3AEC3FA8714A1C46206F007C71FAD2F93A121CE5FE4E7AC1DB63B5A7A4DA1616781
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 :
73
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Unix.Trojan.Mirai-10058922-0
Create hunting rule

Unix.Trojan.Mirai-10059005-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

YARA.SIGNATURE_BASE_MAL_ELF_Xlogin_Nov24_1.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/6a6bf512ff55d9d7a11f87a8/reports/479a486d-3ee6-47e5-ba4c-0de737170189/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-30T23:12:00Z UTC
Last seen:
2026-07-31T01:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8a4636e894d4d7a9ac0880a1210d70e0cf2c05e14924bcfbf39cffcef27c1e41/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6c4e4931-1263-4ba0-8031-b2fb52d2263f
Behavior Graph:
Download SVG
%3 guuid=00714a0e-1b00-0000-fda8-2f3ef60a0000 pid=2806 /usr/bin/sudo guuid=54c1c914-1b00-0000-fda8-2f3efe0a0000 pid=2814 /tmp/sample.bin guuid=00714a0e-1b00-0000-fda8-2f3ef60a0000 pid=2806->guuid=54c1c914-1b00-0000-fda8-2f3efe0a0000 pid=2814 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5419b62c-a135-4270-8ffc-3fe686f9c806
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8a4636e894d4d7a9ac0880a1210d70e0cf2c05e14924bcfbf39cffcef27c1e41
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a4636e894d4d7a9ac0880a1210d70e0cf2c05e14924bcfbf39cffcef27c1e41/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-31 01:06:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjddn2eu2tl2tlaiqcqscdlq4dhsybpbjeslz67ttt7454t4dzaq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/260731-bgap3aad36/
Malware Config
C2 Extraction:
s3o65awrf56.net
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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:MAL_ELF_Xlogin_Nov24_1
Create hunting rule
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
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 8a4636e894d4d7a9ac0880a1210d70e0cf2c05e14924bcfbf39cffcef27c1e41

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3892987/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3893009/
  
URLhaus
https://urlhaus.abuse.ch/url/3892225/
  
URLhaus
https://urlhaus.abuse.ch/url/3893012/

Comments