MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f54b3ec67413a06bdd141b1dee6981b384ab19d3f14112d2adfe40a364b24b95. 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 2 File information Comments

SHA256 hash: f54b3ec67413a06bdd141b1dee6981b384ab19d3f14112d2adfe40a364b24b95
SHA3-384 hash: f6917b98761e17d94cc4d90c71f8b8cad5f26ce35e2ad3683e81f1bed1be73b1450ebc9abd3badf45fdf6c16b74cb6ce
SHA1 hash: 4dcd7458f2e9dc0ab0d27bddffa8f0a972885bac
MD5 hash: 542f160b655a60325d54d22989471d7a
humanhash: vegan-lion-muppet-red
File name:Polar.arm5
Download: download sample
Signature Mirai
File size:32'228 bytes
First seen:2025-11-28 23:32:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:zpte8oNqRTczeFI3urM+TYKhz9Ok0AwHDIs3UozSR:ze9qRQQIeDYM0AwRzc
TLSH T14BE2011EBFA9A830D66A6435CDFEDB862119032CB1DE3C11202C1B209DFA08DA3D6147
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) :32'228 bytes
File size (de-compressed) :75'692 bytes
Format:linux/arm
Unpacked file: 37ab31ce18da345b4760a543f4b822b2794ff6d8297a2e9591edefb932bd83f6

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
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
File Type:
elf.32.le
First seen:
2025-11-28T21:23:00Z UTC
Last seen:
2025-11-30T01:59:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-28 23:33:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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: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 f54b3ec67413a06bdd141b1dee6981b384ab19d3f14112d2adfe40a364b24b95

(this sample)

  
Delivery method
Distributed via web download

Comments