MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13bb66e5abe8215d3bde7f3c1146bd6b35382ab9c946d278c8a725aa01627ad3. 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

SHA256 hash: 13bb66e5abe8215d3bde7f3c1146bd6b35382ab9c946d278c8a725aa01627ad3
SHA3-384 hash: 9127a51651674e6903bf71e239ba992b0c824e7868d8090220b618303e5921c3d84b233cd95254fa4b53bfa1e4704ce3
SHA1 hash: ec40a567ee71f6055f57b3d4b0131a266c118b8d
MD5 hash: 4dba21f461c5dfe23686183ab4790e52
humanhash: berlin-coffee-robin-colorado
File name:Polar.arm6
Download: download sample
Signature Mirai
File size:71'352 bytes
First seen:2025-11-18 17:23:04 UTC
Last seen:2025-11-18 17:35:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:eCR85v8PSCAIu97Wqi2LKJQvrbtcSLhGCRSIuvcYztsXHL6:eCR8SPtbuJ+4GeJRNG6H3w6HL6
TLSH T1A96301A5A41369A00D60613E1E5E8ED9EE8E0F74C0BB37BE5735CD0470A258DABC25CF
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) :71'352 bytes
File size (de-compressed) :189'180 bytes
Format:linux/arm
Unpacked file: 3885b5d071cd22074e9312d84cbe0aa69d314d26fe654dc8109adadb855406b7

Intelligence


File Origin
# of uploads :
2
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
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:
2025-11-18T14:45:00Z UTC
Last seen:
2025-11-19T18:18:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=b866820e-1900-0000-e9fe-ceb6da080000 pid=2266 /usr/bin/sudo guuid=c385f811-1900-0000-e9fe-ceb6de080000 pid=2270 /tmp/sample.bin guuid=b866820e-1900-0000-e9fe-ceb6da080000 pid=2266->guuid=c385f811-1900-0000-e9fe-ceb6de080000 pid=2270 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-18 17:23:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Behaviour
Reads runtime system information
Mirai
Mirai family
Malware Config
C2 Extraction:
uraniumc2.ddns.net
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
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 13bb66e5abe8215d3bde7f3c1146bd6b35382ab9c946d278c8a725aa01627ad3

(this sample)

  
Delivery method
Distributed via web download

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