MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49748203e4c2b289932aea98da716646397fbc71997398ae41c685a2f29f2e1c. 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 1 File information Comments

SHA256 hash: 49748203e4c2b289932aea98da716646397fbc71997398ae41c685a2f29f2e1c
SHA3-384 hash: 4c34c32fe2dc8b2a6bba687c696e72c675889b805acc2b2d1ce068e15943a6083f5c166f305a43230bdf30ec744b9606
SHA1 hash: f8397b29541215c023bfcbbf88ed430ef90e9bf4
MD5 hash: cb62a3857e13740c39754f0dd1ffa776
humanhash: october-equal-grey-zulu
File name:nklsh4
Download: download sample
Signature Mirai
File size:66'748 bytes
First seen:2025-12-27 19:14:58 UTC
Last seen:2025-12-27 22:45:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Laewta8Z07vGIAY3cS3wJ2UzMRDCDbk8PTbVRP:LxMZ+oCcu4zMRDGIwT3
TLSH T17B639EBAC96A9DD8C54C55B4A9318EFD2B13720096432FFB5A8AC9654083EDCF60D3F4
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 :
2
# of downloads :
67
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2025-12-27T18:54:00Z UTC
Last seen:
2025-12-27T19:15:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=b29877cb-1900-0000-4b14-9198870c0000 pid=3207 /usr/bin/sudo guuid=b6fcdece-1900-0000-4b14-9198880c0000 pid=3208 /tmp/sample.bin guuid=b29877cb-1900-0000-4b14-9198870c0000 pid=3207->guuid=b6fcdece-1900-0000-4b14-9198880c0000 pid=3208 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-27 19:15:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10008934-0
YARA:
n/a
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: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 49748203e4c2b289932aea98da716646397fbc71997398ae41c685a2f29f2e1c

(this sample)

  
Delivery method
Distributed via web download

Comments