MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a7362a89e0a01d423c6d402ff21ffe0e3d472edbbb6fbd35b602e08040c75f. 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 3 File information Comments

SHA256 hash: 81a7362a89e0a01d423c6d402ff21ffe0e3d472edbbb6fbd35b602e08040c75f
SHA3-384 hash: 21001c1fa4313cf3305dd337e78fd26f2b1b7fbf31b4cca5f454a415fb2c001a99a259607359ca0f798f8ed80e2d0b3a
SHA1 hash: b74d84d52e4eab6f78793df8e77eca3eabcdb2f9
MD5 hash: d37efef1594fc57b697ceff4e811fa3f
humanhash: video-kansas-uranus-echo
File name:bot_x86
Download: download sample
Signature Mirai
File size:88'736 bytes
First seen:2026-04-11 14:13:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:uUm6maiamXsDaAIxyH8HrJNM0EMoDHDKvCXNgCEk:uUmaid8DaPxTH9NbyDHDyehE
TLSH T1DD833B17F5929ABEC0F5D031476BC031A772B4A152325B2B6B98533A7D43FA41F3E862
telfhash t1c8f09700bc78899aa9e2aa709cec06a18507e0a320620714df05cfe0c47f044f318d1f
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 :
44
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
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.64.le
First seen:
2026-04-11T11:27:00Z UTC
Last seen:
2026-04-12T09:27:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3a710045-1a00-0000-4237-1ce3db0b0000 pid=3035 /usr/bin/sudo guuid=f0e47548-1a00-0000-4237-1ce3e20b0000 pid=3042 /tmp/sample.bin guuid=3a710045-1a00-0000-4237-1ce3db0b0000 pid=3035->guuid=f0e47548-1a00-0000-4237-1ce3e20b0000 pid=3042 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-11 14:14:39 UTC
File Type:
ELF64 Little (SO)
AV detection:
17 of 38 (44.74%)
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 81a7362a89e0a01d423c6d402ff21ffe0e3d472edbbb6fbd35b602e08040c75f

(this sample)

  
Delivery method
Distributed via web download

Comments