MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 838e35b62a6b38675e467301166cdcc54f98d528fe43d56936caeffec88ac696. 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 2 File information Comments

SHA256 hash: 838e35b62a6b38675e467301166cdcc54f98d528fe43d56936caeffec88ac696
SHA3-384 hash: 5a87c0e67e19e94d1cded2579f62af2f2e2326a6278dd983a890715b43e728cc4f68770329a423a27a7b6e88beb80e42
SHA1 hash: a711405fd6c3ab1679ece32dc86a689e5995fb20
MD5 hash: b53c74c140282a6f3b4142853aa9c3fb
humanhash: mockingbird-arkansas-comet-zulu
File name:nexuscorp.mips
Download: download sample
Signature Mirai
File size:154'664 bytes
First seen:2026-01-10 11:10:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:eMTgbwowhqmg3JK1oTor1o8V53HJW2SyQ/FOtqwI:eMTgUo0qmg3hMr1o8vXE7BFOtqwI
TLSH T1BEE3D75F2E218F7DF66D833887F39E31935923C623E1C645D16CE2101E6428E685FBA9
telfhash t1c83156184a7413f467365c8d1aadff77d67231db6b126d378d11a86a677cd814e20c0c
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
58
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Sends data to a server
DNS request
Sets a written file as executable
Creating a file
Creating a file in the %temp% directory
Connection attempt
Substitutes an application name
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-10T08:19:00Z UTC
Last seen:
2026-01-10T18:07:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=aa973538-1900-0000-4457-c104030b0000 pid=2819 /usr/bin/sudo guuid=bd8f2a3b-1900-0000-4457-c1040a0b0000 pid=2826 /tmp/sample.bin guuid=aa973538-1900-0000-4457-c104030b0000 pid=2819->guuid=bd8f2a3b-1900-0000-4457-c1040a0b0000 pid=2826 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847860 Sample: nexuscorp.mips.elf Startdate: 10/01/2026 Architecture: LINUX Score: 84 34 156.85.240.91 WAL-MARTUS United States 2->34 36 156.93.132.208 WAL-MARTUS United States 2->36 38 100 other IPs or domains 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected Mirai 2->46 10 nexuscorp.mips.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 10 other processes 2->16 signatures3 process4 process5 18 nexuscorp.mips.elf 10->18         started        process6 20 nexuscorp.mips.elf 18->20         started        process7 22 nexuscorp.mips.elf 20->22         started        file8 30 /usr/local/bin/sysd, ELF 22->30 dropped 32 /etc/rc.local, POSIX 22->32 dropped 48 Sample tries to set files in /etc globally writable 22->48 50 Sample deletes itself 22->50 52 Sample tries to persist itself using System V runlevels 22->52 26 nexuscorp.mips.elf 22->26         started        28 nexuscorp.mips.elf 22->28         started        signatures9 process10
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-01-10 11:11:34 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 discovery persistence
Behaviour
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Modifies rc script
Write file to user bin folder
Deletes itself
Contacts a large (19682) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 838e35b62a6b38675e467301166cdcc54f98d528fe43d56936caeffec88ac696

(this sample)

  
Delivery method
Distributed via web download

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