MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cf1d1b529bccef9141c0ab6741c16ce7e741dbada74ce45f0a983441a6946cf. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3cf1d1b529bccef9141c0ab6741c16ce7e741dbada74ce45f0a983441a6946cf
SHA3-384 hash: 8412d94c564461af6fc62862f9ec2ade611cc90918df1278838f27f2611fbe39cc065178aebf340a61911456d7ec41e7
SHA1 hash: 7446e98b48ca74075219168b9affb55826e56c43
MD5 hash: 3f577c5a95e0d67ebc243ee3ba4d5413
humanhash: asparagus-alpha-mexico-indigo
File name:morte.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:54'252 bytes
First seen:2025-11-29 10:02:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:usMxq7wjX7Xv6Hp3fSrTKintCu5fP8FvnPfaXnouy8HyH:Yq7Yr/Vr2iwbJ3a3outE
TLSH T15D33F19BD5A58107E0B814B9688FB70B0E40E10EA9D974F7C8F5600FC6D6FB5564CBB1
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) :54'252 bytes
File size (de-compressed) :136'688 bytes
Format:linux/i386
Unpacked file: 12d20d25052ac22f531d6c2c3b4ef8d10bed2e9ef3f3076f2370d0f8edcde193

Intelligence

File Origin
# of uploads :
1
# of downloads :
34
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Deleting a recently created file
Sends data to a server
Launching a process
Removes directories
Receives data from a server
Creating a file
Changes access rights for a file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Runs as daemon
Opens a port
DNS request
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/692ac4e1d0d5e7288b5051bf/reports/346ad172-4033-447f-b521-5394ae8fc542/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-29T05:21:00Z UTC
Last seen:
2025-11-29T05:21:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3cf1d1b529bccef9141c0ab6741c16ce7e741dbada74ce45f0a983441a6946cf/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/84d4e73a-e330-432d-b017-53c9cf17b2d5
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1822800
Signature
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822800 Sample: morte.x86.elf Startdate: 29/11/2025 Architecture: LINUX Score: 100 74 187.228.116.251, 52869 UninetSAdeCVMX Mexico 2->74 76 186.179.95.248, 49152, 80, 8080 TelefonicaEmpresasCL Chile 2->76 78 98 other IPs or domains 2->78 86 Suricata IDS alerts for network traffic 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 Detected Mirai 2->90 92 6 other signatures 2->92 12 morte.x86.elf 2->12         started        signatures3 process4 process5 14 morte.x86.elf 12->14         started        process6 16 morte.x86.elf 14->16         started        file7 66 /etc/init.d/sysd, POSIX 16->66 dropped 80 Sample tries to set files in /etc globally writable 16->80 82 Drops files in suspicious directories 16->82 84 Sample tries to persist itself using System V runlevels 16->84 20 morte.x86.elf 16->20         started        22 morte.x86.elf 16->22         started        25 morte.x86.elf sh 16->25         started        signatures8 process9 file10 27 morte.x86.elf 20->27         started        29 morte.x86.elf sh 20->29         started        31 morte.x86.elf 20->31         started        39 3 other processes 20->39 68 /usr/Bin), ELF 22->68 dropped 33 morte.x86.elf 22->33         started        35 morte.x86.elf sh 22->35         started        37 sh cp 25->37         started        process11 process12 57 778 other processes 27->57 41 sh crontab 29->41         started        45 sh 29->45         started        47 morte.x86.elf 31->47         started        49 morte.x86.elf 31->49         started        51 morte.x86.elf 31->51         started        59 214 other processes 33->59 53 sh crontab 35->53         started        55 sh 35->55         started        file13 70 /var/spool/cron/crontabs/tmp.cprBfJ, ASCII 41->70 dropped 94 Sample tries to persist itself using cron 41->94 96 Executes the "crontab" command typically for achieving persistence 41->96 61 sh crontab 45->61         started        98 Manipulation of devices in /dev 47->98 100 Deletes system log files 47->100 72 /var/spool/cron/cr...mp.N9zEqL (deleted), ASCII 53->72 dropped 64 sh crontab 55->64         started        signatures14 process15 signatures16 102 Executes the "crontab" command typically for achieving persistence 61->102
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3cf1d1b529bccef9141c0ab6741c16ce7e741dbada74ce45f0a983441a6946cf
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3cf1d1b529bccef9141c0ab6741c16ce7e741dbada74ce45f0a983441a6946cf/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-29 10:03:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hty5dnjjxthpsfa4bk3hihawzz7hihn23j2m4rpqvgbuigtji3hq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/251129-l3e7saxpcl/
Behaviour
Reads runtime system information
Changes its process name
UPX packed file
Creates a large amount of network flows
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Contacts a large (2325) amount of remote hosts
Mirai
Mirai family
Malware Config
C2 Extraction:
draft21.redirectme.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/fd61bd38-2e37-4521-9eae-7d328cd0fe42
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3cf1d1b529bccef9141c0ab6741c16ce7e741dbada74ce45f0a983441a6946cf

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: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 3cf1d1b529bccef9141c0ab6741c16ce7e741dbada74ce45f0a983441a6946cf

(this sample)

Mirai

elf 12d20d25052ac22f531d6c2c3b4ef8d10bed2e9ef3f3076f2370d0f8edcde193

  
URLhaus
https://urlhaus.abuse.ch/url/3719134/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 12d20d25052ac22f531d6c2c3b4ef8d10bed2e9ef3f3076f2370d0f8edcde193
  
Dropping
MD5 79a169911c263c93d3d8d3043b247f2e
  
URLhaus
https://urlhaus.abuse.ch/url/3719121/

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