MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21fc81661bbbf4d9f3ef26524226a278ea52b11289861da6a163825696993f79. 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: 21fc81661bbbf4d9f3ef26524226a278ea52b11289861da6a163825696993f79
SHA3-384 hash: 6ce8ad898f9e902d54eefcf22a5e464d52739d3811ef808f6ecd647a25329ecceea9876928d38fb5995635c0198cb07d
SHA1 hash: 9a2600e25820f1efef596763631398589564d3a0
MD5 hash: 6a6c546bbc3301de13f9323792ed9e92
humanhash: quiet-summer-pip-hotel
File name:morte.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:42'116 bytes
First seen:2025-11-06 00:41:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:jKpRskh44O8/QsIq0hgVmeTL/Fzt9Lbc1+mRnIuwpeFrVLRfW0:jKLsID/QsIJwnxHnhsIZe3r
TLSH T1F413E19939A9DA2DEDEC5E7D8156D2400C4096D0336B07AC3F388F84EBF4256ED4E1A5
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) :42'116 bytes
File size (de-compressed) :113'756 bytes
Format:linux/mipsel
Unpacked file: 07a11aff3d2c3f1031b20a67f3dc7bd3d427c53f504815829c5f531d4c6c2e13

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet exploit masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/690beee654bd57cadc98d726/reports/8c1828b2-0a96-474b-bc03-724ebbf4ec33/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/21fc81661bbbf4d9f3ef26524226a278ea52b11289861da6a163825696993f79
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:
2025-11-05T20:00:00Z UTC
Last seen:
2025-11-06T10:23:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/21fc81661bbbf4d9f3ef26524226a278ea52b11289861da6a163825696993f79/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/23b23aba-6df3-4834-bdd0-3670eea6389b
Behavior Graph:
Download SVG
%3 guuid=34ba4e69-1900-0000-65c9-0c0232100000 pid=4146 /usr/bin/sudo guuid=3d50896b-1900-0000-65c9-0c0236100000 pid=4150 /tmp/sample.bin guuid=34ba4e69-1900-0000-65c9-0c0232100000 pid=4146->guuid=3d50896b-1900-0000-65c9-0c0236100000 pid=4150 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/43e4ccc4-a90c-403f-aa2a-cda710647bc8
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1808961
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1808961 Sample: morte.mpsl.elf Startdate: 06/11/2025 Architecture: LINUX Score: 64 22 teamc2.duckdns.org 2->22 24 teamc2.duckdns.org 196.251.87.155, 12121, 47828, 47830 SONIC-WirelessZA Seychelles 2->24 26 2 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 morte.mpsl.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 morte.mpsl.elf 8->12         started        14 morte.mpsl.elf 8->14         started        16 morte.mpsl.elf 8->16         started        process6 18 morte.mpsl.elf 12->18         started        20 morte.mpsl.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21fc81661bbbf4d9f3ef26524226a278ea52b11289861da6a163825696993f79
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21fc81661bbbf4d9f3ef26524226a278ea52b11289861da6a163825696993f79/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/21fc81661bbbf4d9f3ef26524226a278ea52b11289861da6a163825696993f79
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-05 23:32:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eh6iczq3xp2nt47pezjeejvcpdvffmisrgdb3jvbmobfnfuzh54q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251106-a2fw5sxmaq/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0e52062c-88fa-4914-b8db-bbb32957971b
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/21fc81661bbbf4d9f3ef26524226a278ea52b11289861da6a163825696993f79

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 21fc81661bbbf4d9f3ef26524226a278ea52b11289861da6a163825696993f79

(this sample)

Mirai

elf 07a11aff3d2c3f1031b20a67f3dc7bd3d427c53f504815829c5f531d4c6c2e13

  
URLhaus
https://urlhaus.abuse.ch/url/3697425/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 07a11aff3d2c3f1031b20a67f3dc7bd3d427c53f504815829c5f531d4c6c2e13
  
Dropping
MD5 5bed5b3b565021fa31669f3ab2ec30c1
  
URLhaus
https://urlhaus.abuse.ch/url/3697771/

Comments