MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c4820f763bd53230b5a63cf087922e78fbff93edde77cee8917f70c3fa93d48. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c4820f763bd53230b5a63cf087922e78fbff93edde77cee8917f70c3fa93d48
SHA3-384 hash: 9b5615902612c5090fa29fd0af8961d6956d3785ca53a210c7ee2b71f3a926fb5007d792fb4647a627176ae7fb633920
SHA1 hash: bd461a9e86f897cbd690d1d6cee379c2764518f5
MD5 hash: 66fe214ffa223ac79f57180081fdf24e
humanhash: august-floor-hotel-massachusetts
File name:morte.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:42'084 bytes
First seen:2025-09-25 18:13:42 UTC
Last seen:2025-09-25 22:10:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:S2teCHwunaMHWyEclPHjq/LjCtxZrspGQ29nPHM1s3LR+lR07jZ/8EVIx0rVgV:S2eCQ/4W+lPDuPI9spG/9nPMuLR8R4/Y
TLSH T1C213E1D3B7278670E8374F305A0B5800FD67B33B316A0AA706D6A17F08665D67A1BDD2
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 :
2
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Runs as daemon
Sets a written file as executable
Opens a port
Launching a process
Deletes a file
Connection attempt
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai packed threat upx
Link:
https://www.filescan.io/uploads/68d5875a6c140e5b35fe4a23/reports/7a391883-9889-43b3-846c-42519a15c6e2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
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/3c4820f763bd53230b5a63cf087922e78fbff93edde77cee8917f70c3fa93d48
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-09-21T08:14:00Z UTC
Last seen:
2025-09-21T08:14:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/3c4820f763bd53230b5a63cf087922e78fbff93edde77cee8917f70c3fa93d48/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0b9aa85a-812c-4c59-bab3-77f9b61cb92f
Behavior Graph:
Download SVG
%3 guuid=f6252a8b-1900-0000-facc-7f196c0a0000 pid=2668 /usr/bin/sudo guuid=c4fbe38c-1900-0000-facc-7f19720a0000 pid=2674 /tmp/sample.bin mprotect-exec net guuid=f6252a8b-1900-0000-facc-7f196c0a0000 pid=2668->guuid=c4fbe38c-1900-0000-facc-7f19720a0000 pid=2674 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c4fbe38c-1900-0000-facc-7f19720a0000 pid=2674->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=4aed4c8d-1900-0000-facc-7f19740a0000 pid=2676 /tmp/sample.bin zombie guuid=c4fbe38c-1900-0000-facc-7f19720a0000 pid=2674->guuid=4aed4c8d-1900-0000-facc-7f19740a0000 pid=2676 clone guuid=a666568d-1900-0000-facc-7f19750a0000 pid=2677 /tmp/sample.bin write-config zombie guuid=4aed4c8d-1900-0000-facc-7f19740a0000 pid=2676->guuid=a666568d-1900-0000-facc-7f19750a0000 pid=2677 clone guuid=d005928d-1900-0000-facc-7f19770a0000 pid=2679 /usr/bin/dash guuid=a666568d-1900-0000-facc-7f19750a0000 pid=2677->guuid=d005928d-1900-0000-facc-7f19770a0000 pid=2679 execve guuid=f74f3e8e-1900-0000-facc-7f197a0a0000 pid=2682 /tmp/sample.bin delete-file dns net send-data guuid=a666568d-1900-0000-facc-7f19750a0000 pid=2677->guuid=f74f3e8e-1900-0000-facc-7f197a0a0000 pid=2682 clone guuid=a65cb68d-1900-0000-facc-7f19780a0000 pid=2680 /usr/bin/cp guuid=d005928d-1900-0000-facc-7f19770a0000 pid=2679->guuid=a65cb68d-1900-0000-facc-7f19780a0000 pid=2680 execve guuid=f74f3e8e-1900-0000-facc-7f197a0a0000 pid=2682->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 28B b5fff71e-f613-58be-ba84-80cefb09aafc demoon.vip:12121 guuid=f74f3e8e-1900-0000-facc-7f197a0a0000 pid=2682->b5fff71e-f613-58be-ba84-80cefb09aafc send: 21B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/71900a15-5b08-4ed0-b0e7-b25bafbe8bf7
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1784401
Signature
Drops files in suspicious directories
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1784401 Sample: morte.x86_64.elf Startdate: 25/09/2025 Architecture: LINUX Score: 96 34 demoon.vip 157.20.32.209, 12121 FCNUniversityPublicCorporationOsakaJP unknown 2->34 36 54.217.10.153, 37692, 443 AMAZON-02US United States 2->36 38 54.247.62.1, 443 AMAZON-02US United States 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 46 2 other signatures 2->46 10 morte.x86_64.elf 2->10         started        13 dash rm 2->13         started        15 dash cat 2->15         started        17 8 other processes 2->17 signatures3 process4 signatures5 56 Found strings related to Crypto-Mining 10->56 19 morte.x86_64.elf 10->19         started        process6 process7 21 morte.x86_64.elf 19->21         started        file8 32 /etc/init.d/sysd, POSIX 21->32 dropped 48 Sample tries to set files in /etc globally writable 21->48 50 Drops files in suspicious directories 21->50 52 Sample tries to persist itself using System V runlevels 21->52 25 morte.x86_64.elf 21->25         started        28 morte.x86_64.elf sh 21->28         started        signatures9 process10 signatures11 54 Sample deletes itself 25->54 30 sh cp 28->30         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3c4820f763bd53230b5a63cf087922e78fbff93edde77cee8917f70c3fa93d48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c4820f763bd53230b5a63cf087922e78fbff93edde77cee8917f70c3fa93d48/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/3c4820f763bd53230b5a63cf087922e78fbff93edde77cee8917f70c3fa93d48
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-21 12:59:53 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hrecb53dxvjsgc22mphqq6jc46h376j63xtxz3ujc73qyp5jhvea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence upx
Link:
https://tria.ge/reports/250925-wxcjtaem2x/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes itself
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ddce3d5d-a687-4355-ab89-332c4ddb5f18
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/3c4820f763bd53230b5a63cf087922e78fbff93edde77cee8917f70c3fa93d48

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: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 3c4820f763bd53230b5a63cf087922e78fbff93edde77cee8917f70c3fa93d48

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3632006/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3632034/

Comments