MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 638fe64dbcfefd6318e574a501ec9c763cfd92d2f158b4cb0a2b678daaeaab2d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 638fe64dbcfefd6318e574a501ec9c763cfd92d2f158b4cb0a2b678daaeaab2d
SHA3-384 hash: 8f25e22e7f26ddd5f57ee2009bd3670cc115497df9b77d2b8c9acfe2236c8d53c1be2547ccb0fc29c2851afa9f43c3cb
SHA1 hash: 3812f12376804c707aff527b14067b54dd8b58bc
MD5 hash: 04978bca17e1b1e0eb5edd122a8abea2
humanhash: nine-comet-grey-august
File name:Demon.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:44'824 bytes
First seen:2025-11-28 19:54:00 UTC
Last seen:2025-11-28 21:24:05 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:8BhErpYQWioh8rV9gYQ2OOXR80owZt8ajjXxAJxcrFpY40ftkuTemz7zJgGlzDpR:bOjkVfCYXjLe8MHpVJuy
TLSH T1B313F1C8834508DDF51C59B188760FE0BD9A130CA357ECDB2DC983AA5D4F46578E6BE4
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) :44'824 bytes
File size (de-compressed) :138'588 bytes
Format:linux/mips
Unpacked file: 289e62584ad1b30c2bd9587b3870ff5b98f2d0f19d51fe342b40af5dc907c85f

Intelligence

File Origin
# of uploads :
3
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.25401.11755.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6929fdfaefb205635358a87b/reports/c287f55b-a326-4cb2-a53b-78e2a6217391/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-28T10:04:00Z UTC
Last seen:
2025-11-29T03:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/638fe64dbcfefd6318e574a501ec9c763cfd92d2f158b4cb0a2b678daaeaab2d/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/df00f649-e2cd-4e52-b391-7520410c9b12
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1822533
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822533 Sample: Demon.mips.elf Startdate: 28/11/2025 Architecture: LINUX Score: 84 20 151.245.104.90, 34060, 34062, 34064 RASANAIR Iran (ISLAMIC Republic Of) 2->20 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 2 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Sample is packed with UPX 2->32 8 Demon.mips.elf 2->8         started        signatures3 process4 process5 10 Demon.mips.elf 8->10         started        12 Demon.mips.elf 8->12         started        14 Demon.mips.elf 8->14         started        process6 16 Demon.mips.elf 10->16         started        18 Demon.mips.elf 10->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/638fe64dbcfefd6318e574a501ec9c763cfd92d2f158b4cb0a2b678daaeaab2d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/638fe64dbcfefd6318e574a501ec9c763cfd92d2f158b4cb0a2b678daaeaab2d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-28 15:01:25 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=moh6mtn4736wgghfossqd3e4oy6p3ews6fmljsykfnty3kxkvmwq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251128-ymyqeawmh1/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dfecce5b-2521-45f2-b44a-acfa08625b22
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/638fe64dbcfefd6318e574a501ec9c763cfd92d2f158b4cb0a2b678daaeaab2d

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 638fe64dbcfefd6318e574a501ec9c763cfd92d2f158b4cb0a2b678daaeaab2d

(this sample)

Mirai

elf 289e62584ad1b30c2bd9587b3870ff5b98f2d0f19d51fe342b40af5dc907c85f

  
URLhaus
https://urlhaus.abuse.ch/url/3719104/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 289e62584ad1b30c2bd9587b3870ff5b98f2d0f19d51fe342b40af5dc907c85f
  
Dropping
MD5 d160085fce855177ad9ef6df278f73ac

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