MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81051b2e58fe4e4d53b5bea904151af33d44ed72603c2aeffbba6520af40861e. 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 4 File information Comments

SHA256 hash: 81051b2e58fe4e4d53b5bea904151af33d44ed72603c2aeffbba6520af40861e
SHA3-384 hash: d1131a90417f301d7406f8b4a0fc62980e0e84597a876f43709ae985b68313644216b9d8e5b33e1902bd5a128198fc82
SHA1 hash: 2aed5100d4ea5f907f4dc19c2051247838135909
MD5 hash: 207dec74ac54dd793adaacfcd2153749
humanhash: berlin-arkansas-magazine-kitten
File name:tmips
Download: download sample
Signature Mirai
File size:231'784 bytes
First seen:2026-08-27 08:25:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:GDuBFQvYelCcHjo9RXeC9Xfe3Rf5zgsVnQBd9Ooet:GDCeYelzHsRXedBh8vBd9Ooet
TLSH T1BE34DA0A7F358F2EF16E8A3047B74A21D36927D21BA1C64D91DCDA413E2039D6D1FB68
telfhash t15221bd5c493823e0d7b01cd91aedff76e5a030df4a266d378e00e8acaa6dd425e00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Sends data to a server
Receives data from a server
Runs as daemon
Kills processes
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bashlite mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
113
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=0eff71f9-1d00-0000-f489-afcf7f090000 pid=2431 /usr/bin/sudo guuid=26bcf8fc-1d00-0000-f489-afcf84090000 pid=2436 /tmp/sample.bin guuid=0eff71f9-1d00-0000-f489-afcf7f090000 pid=2431->guuid=26bcf8fc-1d00-0000-f489-afcf84090000 pid=2436 execve
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2026-08-27 08:26:19 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Reads MAC address of network interface
Reads network interface configuration
Renames itself
Unexpected DNS network traffic destination
Contacts a large (75266) 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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:telebot_framework
Author:vietdx.mb
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 81051b2e58fe4e4d53b5bea904151af33d44ed72603c2aeffbba6520af40861e

(this sample)

  
Delivery method
Distributed via web download

Comments