MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e40743f7f7a4108ddbcea21b053a0493483e7aa54feeb597f247105eee0b99d. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3e40743f7f7a4108ddbcea21b053a0493483e7aa54feeb597f247105eee0b99d
SHA3-384 hash: 10eb897b43fa056185135dd80c89e077cc63e1eaf463b43af8ca3520713b12fd6c9a6b71d4963cc8c37f23402c68e766
SHA1 hash: e627d7d2e2d65f00ba6c5646fa51c8240e3cad21
MD5 hash: 01aa06bb85b968df80fa2c61cdb32ea9
humanhash: lima-nuts-twelve-angel
File name:Labelloperc80.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:79'504 bytes
First seen:2025-11-22 23:49:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:XbwcQ0p+cLBZFMKzdIpmQ3Pk798U755e1j+w:40VZ6KzdgmQ387O0Pm
TLSH T189736CC2AB47C4F4EC2605716077E7328773E13E1029EE43D769AD36ED52A41A62A3DC
telfhash t1f63128fa1e6e0de5a7e49500c36e6fe23d29d27b356033a14063483522a7e4255bac3a
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 687c207fe67928a2b28fd9297b1948a5798cf44fdea2a78b4f37e108bbc6a65b
File size (compressed) :39'332 bytes
File size (de-compressed) :79'504 bytes
Format:linux/i386
Packed file: 687c207fe67928a2b28fd9297b1948a5798cf44fdea2a78b4f37e108bbc6a65b

Intelligence

File Origin
# of uploads :
1
# of downloads :
25
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10057788-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Changes access rights for a written file
Runs as daemon
Receives data from a server
Changes access rights for a file
Deleting a recently created file
Sends data to a server
Removes directories
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/69224d536c89728b9825c8f7/reports/c20cf704-6cd9-409e-854e-ee5439f0a787/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3e40743f7f7a4108ddbcea21b053a0493483e7aa54feeb597f247105eee0b99d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-22T22:08:00Z UTC
Last seen:
2025-11-24T02:03:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3e40743f7f7a4108ddbcea21b053a0493483e7aa54feeb597f247105eee0b99d/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a5d60d53-8372-4a41-87fd-c1286db20458
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1819236
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819236 Sample: Labelloperc80.x86.elf Startdate: 23/11/2025 Architecture: LINUX Score: 64 23 nicnetworkvvs.uk 41.216.189.47, 12121, 49118, 49120 AS40676US South Africa 2->23 29 Malicious sample detected (through community Yara rule) 2->29 31 Multi AV Scanner detection for submitted file 2->31 10 Labelloperc80.x86.elf 2->10         started        signatures3 process4 process5 12 Labelloperc80.x86.elf 10->12         started        process6 14 Labelloperc80.x86.elf 12->14         started        process7 16 Labelloperc80.x86.elf 14->16         started        process8 18 Labelloperc80.x86.elf 16->18         started        21 Labelloperc80.x86.elf 16->21         started        signatures9 25 Manipulation of devices in /dev 18->25 27 Deletes system log files 18->27
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3e40743f7f7a4108ddbcea21b053a0493483e7aa54feeb597f247105eee0b99d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e40743f7f7a4108ddbcea21b053a0493483e7aa54feeb597f247105eee0b99d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 23:54:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hzahip37pjaqrxn45iq3au5aje2ihz5kkt7owwl7eryql3xaxgoq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251122-3w7rws1kfj/
Behaviour
Reads runtime system information
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-10056451-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/4370cf43-ce8c-4bda-a510-afb080345ee8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/3e40743f7f7a4108ddbcea21b053a0493483e7aa54feeb597f247105eee0b99d

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_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
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

sh fc7a3a3011af7a6c6c16faa4333abd31f38a79bd4f24dd8bfaaca7b5f0f3c271

Mirai

elf 687c207fe67928a2b28fd9297b1948a5798cf44fdea2a78b4f37e108bbc6a65b

Mirai

elf 3e40743f7f7a4108ddbcea21b053a0493483e7aa54feeb597f247105eee0b99d

(this sample)

  
Dropped by
SHA256 687c207fe67928a2b28fd9297b1948a5798cf44fdea2a78b4f37e108bbc6a65b
  
URLhaus
https://urlhaus.abuse.ch/url/3714435/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 0f7a847472f4749aef37c6b560c29679
  
URLhaus
https://urlhaus.abuse.ch/url/3714840/
  
URLhaus
https://urlhaus.abuse.ch/url/3714845/

Comments