MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20fac5d2b6e17eaa834f11711cd3737dfdc3c93545be93acd0775c839b918acf. 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: 20fac5d2b6e17eaa834f11711cd3737dfdc3c93545be93acd0775c839b918acf
SHA3-384 hash: c1124b2734c6687fbcef9b2fc408360d3d242f1a3412007ce1f769827413053f9fa91dc2078a0b0b9c0905bbf9f43ab8
SHA1 hash: 6074a7c3ac1f4ee1fc62e9a98d39b80264f5e83f
MD5 hash: ad1602507f0de122c7d17c6b1ed29c85
humanhash: foxtrot-july-apart-earth
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:54'416 bytes
First seen:2025-11-27 12:23:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:IHjPGIJutDoMnLH/2+2RsaYoZ0udW76amtlz3ZFOX/m8wjxOlHROVNpb5GNPnddU:ID+BbH/6WeTtdk6+YLpinFnouy8GyU
TLSH T1133301438D259704F8557379376B4D094422F92FA891A07A5ADCF430B470BD3EDB8A7E
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 UPX
File size (compressed) :54'416 bytes
File size (de-compressed) :133'484 bytes
Format:linux/i386
Unpacked file: 23e86fa82e4ad95cc11892562c339eb0fc99f48f92572e24515878c2633cb081

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Opens a port
Connection attempt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/692842b1efb2056353577f60/reports/e996efb4-5ff0-48eb-8d19-7b75f066eb07/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/20fac5d2b6e17eaa834f11711cd3737dfdc3c93545be93acd0775c839b918acf
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-27T10:34:00Z UTC
Last seen:
2025-11-27T12:26:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/20fac5d2b6e17eaa834f11711cd3737dfdc3c93545be93acd0775c839b918acf/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4a32405f-d4ba-4811-abd4-ae3a4260630a
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1821724
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1821724 Sample: debug.elf Startdate: 27/11/2025 Architecture: LINUX Score: 60 18 143.20.185.245, 51260, 51262, 6769 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->18 20 daisy.ubuntu.com 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Sample is packed with UPX 2->26 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 debug.elf 8->12         started        14 debug.elf 8->14         started        process6 16 debug.elf 12->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/20fac5d2b6e17eaa834f11711cd3737dfdc3c93545be93acd0775c839b918acf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/20fac5d2b6e17eaa834f11711cd3737dfdc3c93545be93acd0775c839b918acf/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ed5mluvw4f7kva2pcfyrzu3tpx64hsjviw7jhlgqo5oihg4rrlhq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251127-pkjzssgl9t/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a6270d51-9d71-4c1a-92fe-eef49a150f0e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/20fac5d2b6e17eaa834f11711cd3737dfdc3c93545be93acd0775c839b918acf

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 20fac5d2b6e17eaa834f11711cd3737dfdc3c93545be93acd0775c839b918acf

(this sample)

Mirai

elf 23e86fa82e4ad95cc11892562c339eb0fc99f48f92572e24515878c2633cb081

  
URLhaus
https://urlhaus.abuse.ch/url/3717323/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 23e86fa82e4ad95cc11892562c339eb0fc99f48f92572e24515878c2633cb081
  
Dropping
MD5 071e1dce580d5021d0d4722572d83d3f

Comments