MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef33efbfbe671d27b31f2df01219e68f2e3bfcd66956a9fd8b9a8151a9b75d50. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef33efbfbe671d27b31f2df01219e68f2e3bfcd66956a9fd8b9a8151a9b75d50
SHA3-384 hash: c3a0f00231421b93c02fe9ccb590e8cab44394762df8617c7e665f555990d13d4417f76067f355c3917b287a3108a2b0
SHA1 hash: fa38928000b71324d9372458d64c159c1796e707
MD5 hash: 46e579a29bab81d7b923eb1ca837dfd6
humanhash: kansas-beer-glucose-spring
File name:Labello.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:81'028 bytes
First seen:2025-10-02 05:37:14 UTC
Last seen:2025-10-09 19:16:49 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:HE+Lx1PNlHPgpigujKDbCCGrSq6CHi/PzD/29Or:HhLxBPgpiHGDqrSq61/PPeu
TLSH T172839D63C82B1D24D04848F0B0A48F3A9B63E115CA5B2EF7949AC679D087EDCF6467F5
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 :
4
# of downloads :
120
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade obfuscated remote
Link:
https://www.filescan.io/uploads/68de1106c564c8e81d0c4608/reports/5b1577d8-5ba7-47cd-9e84-484d11750919/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-01T04:33:00Z UTC
Last seen:
2025-10-02T10:28:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/ef33efbfbe671d27b31f2df01219e68f2e3bfcd66956a9fd8b9a8151a9b75d50/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e442d998-93b6-45e8-9698-53c824bf836f
Behavior Graph:
Download SVG
%3 guuid=2c6e0417-1c00-0000-6ec6-362ea90a0000 pid=2729 /usr/bin/sudo guuid=6dc92e19-1c00-0000-6ec6-362eaf0a0000 pid=2735 /tmp/sample.bin guuid=2c6e0417-1c00-0000-6ec6-362ea90a0000 pid=2729->guuid=6dc92e19-1c00-0000-6ec6-362eaf0a0000 pid=2735 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d7ba830c-2c96-4fbc-bf08-3f06a137bc7e
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1787872
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1787872 Sample: Labello.sh4.elf Startdate: 02/10/2025 Architecture: LINUX Score: 56 37 Multi AV Scanner detection for submitted file 2->37 10 Labello.sh4.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 dash rm 2->16         started        process3 process4 18 Labello.sh4.elf 10->18         started        process5 20 Labello.sh4.elf 18->20         started        process6 22 Labello.sh4.elf 20->22         started        process7 24 Labello.sh4.elf 22->24         started        27 Labello.sh4.elf 22->27         started        29 Labello.sh4.elf 22->29         started        31 Labello.sh4.elf 22->31         started        signatures8 39 Manipulation of devices in /dev 24->39 41 Deletes system log files 24->41 33 Labello.sh4.elf 27->33         started        35 Labello.sh4.elf 29->35         started        process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef33efbfbe671d27b31f2df01219e68f2e3bfcd66956a9fd8b9a8151a9b75d50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef33efbfbe671d27b31f2df01219e68f2e3bfcd66956a9fd8b9a8151a9b75d50/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/ef33efbfbe671d27b31f2df01219e68f2e3bfcd66956a9fd8b9a8151a9b75d50
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-01 09:31:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54z67p56m4ospmy7fxybegpgr4xdx7gwnflkt7mltkavdknxlvia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251002-geqldssqy9/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/40cc8a27-333b-4e3d-8fb0-f205b9cf09bb
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/ef33efbfbe671d27b31f2df01219e68f2e3bfcd66956a9fd8b9a8151a9b75d50

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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

elf ef33efbfbe671d27b31f2df01219e68f2e3bfcd66956a9fd8b9a8151a9b75d50

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3639161/
  
Delivery method
Distributed via web download

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