MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c20a9fd18836f0cba2bb1e6552b179d2038cbe3fa3023b3f250800565368a21. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 8c20a9fd18836f0cba2bb1e6552b179d2038cbe3fa3023b3f250800565368a21
SHA3-384 hash: 00fa09d796b91230297ebb1851a03d7a77ec7b477239930bfbd851f239f5c01a8c04907123312a2be2cdb40393c9da9f
SHA1 hash: 14abebdda8d405982fdfe478a4fbd2dd13366a37
MD5 hash: a535d77002181af2e6d52e7801d251d9
humanhash: ack-delta-jig-three
File name:mips
Download: download sample
Signature Mirai
File size:37'068 bytes
First seen:2026-05-26 01:18:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:4NYKyukZoTMKey7du1310h03jRdozIIc8Il7xZrRJgGlzDpbuR1Jd:iYdWleQda1WetdozIIfuxZ/VJun
TLSH T1D8F2F1BC3F78CAC4C47564FA1389472066580FD18C12CD6EA449EBF2EEBE1A529673C0
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 UPX
File size (compressed) :37'068 bytes
File size (de-compressed) :97'736 bytes
Format:linux/mips
Unpacked file: 92b72364bc4f16166d90b94ef6a4c372f1a975bd3b1226c22f6d027c2babdae8

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Connection attempt
Receives data from a server
Runs as daemon
Kills processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
81
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 64.89.161.130:18129
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-05-24T21:17:00Z UTC
Last seen:
2026-05-25T21:56:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=b0252b85-1900-0000-2952-75d607070000 pid=1799 /usr/bin/sudo guuid=36bcc487-1900-0000-2952-75d60d070000 pid=1805 /tmp/sample.bin guuid=b0252b85-1900-0000-2952-75d607070000 pid=1799->guuid=36bcc487-1900-0000-2952-75d60d070000 pid=1805 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-05-25 08:40:26 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Family: Mirai
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 8c20a9fd18836f0cba2bb1e6552b179d2038cbe3fa3023b3f250800565368a21

(this sample)

  
Delivery method
Distributed via web download

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