MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9d3b71c76e6817123d63ca9a144e63d9046cdcab4fb303bdafda3ef9285229d. 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: b9d3b71c76e6817123d63ca9a144e63d9046cdcab4fb303bdafda3ef9285229d
SHA3-384 hash: b8e70ac2fdaf77fd113bc2a4927a9d5f005361a32e8d49815e042665bb027a3ab13d3bb15fe22c82bbce2daca040288f
SHA1 hash: 29755208b2d63a6d79f66bac63a5797f09e56a27
MD5 hash: 1122bdf05f4d74acc273116e25bd7159
humanhash: october-hot-muppet-seventeen
File name:Labelloperc80.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:43'184 bytes
First seen:2025-12-10 19:53:41 UTC
Last seen:2025-12-21 02:21:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:I7ZthGPzqKogiiFpKPiO/2BnVC2H2Ad5L5fQghGqPpNNsj7cEuJgGlzDpbuR1Jj:I7bhGWXiDKx/eVC2H2WLJQghG6NNKczO
TLSH T1D913F124910844CAF6C782716BAC03722F74AF56644BAC0A9245F2577CB74BD6DD3EDC
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) :43'184 bytes
File size (de-compressed) :114'280 bytes
Format:linux/mips
Unpacked file: e1520f4996a99488404cb34b7d78f958c9a916f25823a60901b2b9681c801800

Intelligence

File Origin
# of uploads :
5
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1fb75117-c568-46da-88cc-3392d0254744/
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.25553.24531.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6939cfe4cf690d27f3dbad2c/reports/0ff65530-b1f5-41e4-a89c-c14b7eb646cf/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-10T18:10:00Z UTC
Last seen:
2025-12-12T14:06:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/b9d3b71c76e6817123d63ca9a144e63d9046cdcab4fb303bdafda3ef9285229d/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4a39a907-b6ee-41ac-aa45-4871bef555e9
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1830510
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1830510 Sample: Labelloperc80.mips.elf Startdate: 10/12/2025 Architecture: LINUX Score: 60 37 Multi AV Scanner detection for submitted file 2->37 39 Sample is packed with UPX 2->39 10 Labelloperc80.mips.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 9 other processes 2->16 process3 process4 18 Labelloperc80.mips.elf 10->18         started        process5 20 Labelloperc80.mips.elf 18->20         started        process6 22 Labelloperc80.mips.elf 20->22         started        process7 24 Labelloperc80.mips.elf 22->24         started        27 Labelloperc80.mips.elf 22->27         started        29 Labelloperc80.mips.elf 22->29         started        31 Labelloperc80.mips.elf 22->31         started        signatures8 41 Manipulation of devices in /dev 24->41 43 Deletes system log files 24->43 33 Labelloperc80.mips.elf 27->33         started        35 Labelloperc80.mips.elf 29->35         started        process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9d3b71c76e6817123d63ca9a144e63d9046cdcab4fb303bdafda3ef9285229d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9d3b71c76e6817123d63ca9a144e63d9046cdcab4fb303bdafda3ef9285229d/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b9d3b71c76e6817123d63ca9a144e63d9046cdcab4fb303bdafda3ef9285229d
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-12-10 19:54:15 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhj3ohdw42axci6whsu2crhghwientokwt5tao627wr67eufekoq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251210-ymmcda1mbr/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes system logs
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3502ae4b-49a6-4452-a162-53ff4cce92a4
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: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 b9d3b71c76e6817123d63ca9a144e63d9046cdcab4fb303bdafda3ef9285229d

(this sample)

Mirai

elf e1520f4996a99488404cb34b7d78f958c9a916f25823a60901b2b9681c801800

  
URLhaus
https://urlhaus.abuse.ch/url/3714824/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 e1520f4996a99488404cb34b7d78f958c9a916f25823a60901b2b9681c801800
  
Dropping
MD5 69ab73173677dca6a70438e5044b3342
  
URLhaus
https://urlhaus.abuse.ch/url/3731214/
  
URLhaus
https://urlhaus.abuse.ch/url/3731350/

Comments