MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47e2fd5234f81101fbefcbade6d9a553b29f99af72f319ccb22e5a881be350cf. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 47e2fd5234f81101fbefcbade6d9a553b29f99af72f319ccb22e5a881be350cf
SHA3-384 hash: 5c457036f54fdf446be386a3825302294f5c469dfb859fa78eaa7e4ab07eaa5e085d9e0c86afcbeaf6f096ad1bb30755
SHA1 hash: 1807bdad5991ca380599f348df6db975e3b91118
MD5 hash: 87845a197fa66c6cfad8102b2299fb98
humanhash: summer-robin-freddie-cold
File name:Polar.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:67'920 bytes
First seen:2025-11-18 22:54:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0pjHk+kg+R7RMLFq+gWU/VlYN8jMe1kEc9Av80SzCKOZv7vb2Hll:iTZkg+hRM0+gWQlIAWi4oTGl
TLSH T1D963023660BFB2B4C2613C77180906C8FF54B9134A8347F716E7FA26DC594246DB8CA2
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) :67'920 bytes
File size (de-compressed) :181'896 bytes
Format:linux/amd64
Unpacked file: a4ef6adf27f4c830ebbf521c915f3f91dc6e89698a5c9dd02a45f1bab6025852

Intelligence

File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Runs as daemon
Opens a port
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/691cf95ae68d9822a37c6f7b/reports/4f9caef3-952c-49b0-aba1-f34def36f99c/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:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/47e2fd5234f81101fbefcbade6d9a553b29f99af72f319ccb22e5a881be350cf
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b8723b7f-61e8-4f62-8b71-7c8a02b03da9
Behavior Graph:
Download SVG
%3 guuid=5cc5a258-1900-0000-c37c-9ed0c9100000 pid=4297 /usr/bin/sudo guuid=66622e5a-1900-0000-c37c-9ed0d2100000 pid=4306 /tmp/sample.bin mprotect-exec net guuid=5cc5a258-1900-0000-c37c-9ed0c9100000 pid=4297->guuid=66622e5a-1900-0000-c37c-9ed0d2100000 pid=4306 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=66622e5a-1900-0000-c37c-9ed0d2100000 pid=4306->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=8a12ca5a-1900-0000-c37c-9ed0d7100000 pid=4311 /tmp/sample.bin guuid=66622e5a-1900-0000-c37c-9ed0d2100000 pid=4306->guuid=8a12ca5a-1900-0000-c37c-9ed0d7100000 pid=4311 clone guuid=dccb3185-1a00-0000-c37c-9ed0b1130000 pid=5041 /tmp/sample.bin guuid=66622e5a-1900-0000-c37c-9ed0d2100000 pid=4306->guuid=dccb3185-1a00-0000-c37c-9ed0b1130000 pid=5041 clone guuid=d2243f85-1a00-0000-c37c-9ed0b3130000 pid=5043 /tmp/sample.bin net send-data zombie guuid=66622e5a-1900-0000-c37c-9ed0d2100000 pid=4306->guuid=d2243f85-1a00-0000-c37c-9ed0b3130000 pid=5043 clone guuid=cdd2ce5a-1900-0000-c37c-9ed0d8100000 pid=4312 /tmp/sample.bin guuid=8a12ca5a-1900-0000-c37c-9ed0d7100000 pid=4311->guuid=cdd2ce5a-1900-0000-c37c-9ed0d8100000 pid=4312 clone guuid=5e22d25a-1900-0000-c37c-9ed0d9100000 pid=4313 /tmp/sample.bin net send-data zombie guuid=8a12ca5a-1900-0000-c37c-9ed0d7100000 pid=4311->guuid=5e22d25a-1900-0000-c37c-9ed0d9100000 pid=4313 clone guuid=5e22d25a-1900-0000-c37c-9ed0d9100000 pid=4313->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1230B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=5e22d25a-1900-0000-c37c-9ed0d9100000 pid=4313->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=d2243f85-1a00-0000-c37c-9ed0b3130000 pid=5043->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1189B guuid=d2243f85-1a00-0000-c37c-9ed0b3130000 pid=5043->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/977bf913-7ed3-4fe7-851b-66bfad39d9f7
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1816573
Signature
Malicious sample detected (through community Yara rule)
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816573 Sample: Polar.x86_64.elf Startdate: 18/11/2025 Architecture: LINUX Score: 64 22 lolzzmortex.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Yara detected Gafgyt 2->30 32 Sample is packed with UPX 2->32 8 Polar.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Polar.x86_64.elf 8->12         started        14 Polar.x86_64.elf 8->14         started        16 Polar.x86_64.elf 8->16         started        process6 18 Polar.x86_64.elf 12->18         started        20 Polar.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/47e2fd5234f81101fbefcbade6d9a553b29f99af72f319ccb22e5a881be350cf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/47e2fd5234f81101fbefcbade6d9a553b29f99af72f319ccb22e5a881be350cf/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i7rp2uru7aiqd67pzow6nwnfkozj7gnpolzrttfsfzniqg7dkdhq._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/251118-2wc2vavqaq/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
lolzzmortex.duckdns.org
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/be4fc29f-5184-465a-97ee-45903578841d
Please note that we are no longer able to provide a coverage score for Virus Total.

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 47e2fd5234f81101fbefcbade6d9a553b29f99af72f319ccb22e5a881be350cf

(this sample)

Mirai

elf a4ef6adf27f4c830ebbf521c915f3f91dc6e89698a5c9dd02a45f1bab6025852

  
URLhaus
https://urlhaus.abuse.ch/url/3711448/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a4ef6adf27f4c830ebbf521c915f3f91dc6e89698a5c9dd02a45f1bab6025852
  
Dropping
MD5 4cfee6c6a4dbc2e65c2cbaa9b5962216
  
URLhaus
https://urlhaus.abuse.ch/url/3711514/

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