MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1def37df3c90cb6b4aadb5fe92bff6a5b4894abe2c193052ddf38acaa215bf36. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments

SHA256 hash: 1def37df3c90cb6b4aadb5fe92bff6a5b4894abe2c193052ddf38acaa215bf36
SHA3-384 hash: ee7c69c073c391554a450dbd885404c91a8bdc11ebbdb6da45f3a95387c8316f454f5f0dec0a5a62bec88385dc7e09ae
SHA1 hash: d64feddf40cdda2aeb61de0d1fa8c90f8f8a2734
MD5 hash: ceebceb82657cfa58e55af02adeaaa17
humanhash: black-spring-north-friend
File name:boatnet.mpsl
Download: download sample
Signature Mirai
File size:222'704 bytes
First seen:2026-08-08 14:57:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:8Xhm+7DWS61yVJaE8gBh0WeSe55ij2vSt8e8KgPTa5:8Xhm+7DWS6MVJaE8gQZSA5itt8e8fTa
TLSH T14824D509BF510EBBD8ABCD3706E91B0228CC645722A93F367674D518F54A64F1AE3C78
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e30c68a5d14048c44c94676561a0fa2d15bc2fc205daad34da42ac3ee8c263ca
File size (compressed) :63'480 bytes
File size (de-compressed) :222'704 bytes
Format:linux/mipsel
Packed file: e30c68a5d14048c44c94676561a0fa2d15bc2fc205daad34da42ac3ee8c263ca

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Removes directories
Receives data from a server
Sets a written file as executable
Connection attempt
Launching a process
Sends data to a server
Runs as daemon
Deleting a recently created file
Changes access rights for a file
Changes access rights for a written file
Creating a file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-07T14:43:00Z UTC
Last seen:
2026-08-07T18:52:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=e2a00432-1900-0000-47a8-07aa85050000 pid=1413 /usr/bin/sudo guuid=7c876834-1900-0000-47a8-07aa8c050000 pid=1420 /tmp/sample.bin guuid=e2a00432-1900-0000-47a8-07aa85050000 pid=1413->guuid=7c876834-1900-0000-47a8-07aa8c050000 pid=1420 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-07 23:11:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion persistence privilege_escalation
Behaviour
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
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 1def37df3c90cb6b4aadb5fe92bff6a5b4894abe2c193052ddf38acaa215bf36

(this sample)

  
Delivery method
Distributed via web download

Comments