MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b86b1ccd44841f0639b8946d9fae2f82e8b759e22cb412a0f6e3ec326737052. 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: 4b86b1ccd44841f0639b8946d9fae2f82e8b759e22cb412a0f6e3ec326737052
SHA3-384 hash: 23d11ee8e36f1daf6a3b8b0d238aa322276d42ee9e1b4eda6ff59f6762f02a02797248ece6874ca45fb394a8482dd9ab
SHA1 hash: 547b3fb183152ad2b8ed813fe59444a236968fbf
MD5 hash: 2fa5387460298364bb31a32a71cb8820
humanhash: nitrogen-autumn-social-venus
File name:nz.mpsl
Download: download sample
Signature Mirai
File size:52'796 bytes
First seen:2026-07-08 01:28:16 UTC
Last seen:2026-07-08 03:42:56 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:c4MsSKFz9Q3V71gRjZ6G7wxPiix0RGuoFhrzwexQa0fvIY0JjKE67PMHN15CiPoR:/FFOh157E81u+Wex5MX0J+E6Axx6
TLSH T14933F1EBEA1B38C48ABC497D96DD6B755B5220F47137A35CC7952C4C530ABB83A9E00C
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) :52'796 bytes
File size (de-compressed) :161'084 bytes
Format:linux/mipsel
Unpacked file: 04091fb5f36bccd38e322b8201b8cb4dccb97934faad702686bce72a155a7be4

Intelligence


File Origin
# of uploads :
2
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Opens a port
Sends data to a server
Connection attempt
Runs as daemon
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-07T23:04:00Z UTC
Last seen:
2026-07-09T06:58:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=f0353997-1e00-0000-09f2-66363f140000 pid=5183 /usr/bin/sudo guuid=e43c969a-1e00-0000-09f2-663640140000 pid=5184 /tmp/sample.bin guuid=f0353997-1e00-0000-09f2-66363f140000 pid=5183->guuid=e43c969a-1e00-0000-09f2-663640140000 pid=5184 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-08 01:31:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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: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 4b86b1ccd44841f0639b8946d9fae2f82e8b759e22cb412a0f6e3ec326737052

(this sample)

  
Delivery method
Distributed via web download

Comments