MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd54c6134cf99a964d27f3829fc7176d126c8c5495c30efa3c3a4f6e2492f282. 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 6 File information Comments

SHA256 hash: fd54c6134cf99a964d27f3829fc7176d126c8c5495c30efa3c3a4f6e2492f282
SHA3-384 hash: bea176ee958bd00c4787a715877320ad573d0d29a9b74e8d5b19f3a0955ff93c5a787dd3c523631fed93854838d6db14
SHA1 hash: 03d7a74df439ecd380ccdd8c8cb38363aa36e21f
MD5 hash: f4202146b7aafbbab519252217318d73
humanhash: sierra-echo-alpha-triple
File name:Polar.mpsl
Download: download sample
Signature Mirai
File size:233'064 bytes
First seen:2025-11-18 17:27:11 UTC
Last seen:2025-11-21 11:55:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:N1ybdd+vPHe9Wcf5yJx0n3DK/htFx+Vj6R2+V+qYZeV:NYbdd+vPH67f5yXu2/fFxZRrpee
TLSH T1CA34E70AABA10EFBE8ABCD3706ED1B4128CC551721A97F763274D914F14B64B49E3C78
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 55a15a5a105df4c7115d565c361ac46e43c778aae0155fad46fa8a0e61562b29
File size (compressed) :73'256 bytes
File size (de-compressed) :233'064 bytes
Format:linux/mipsel
Packed file: 55a15a5a105df4c7115d565c361ac46e43c778aae0155fad46fa8a0e61562b29

Intelligence


File Origin
# of uploads :
2
# of downloads :
82
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
2
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:
2025-11-18T15:37:00Z UTC
Last seen:
2025-11-20T15:00:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3d3301a5-2200-0000-7c7f-29591c080000 pid=2076 /usr/bin/sudo guuid=f013efa6-2200-0000-7c7f-29591e080000 pid=2078 /tmp/sample.bin guuid=3d3301a5-2200-0000-7c7f-29591c080000 pid=2076->guuid=f013efa6-2200-0000-7c7f-29591e080000 pid=2078 execve guuid=5e74b4a7-2200-0000-7c7f-295922080000 pid=2082 /usr/bin/dash guuid=f013efa6-2200-0000-7c7f-29591e080000 pid=2078->guuid=5e74b4a7-2200-0000-7c7f-295922080000 pid=2082 clone
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816319 Sample: Polar.mpsl.elf Startdate: 18/11/2025 Architecture: LINUX Score: 76 26 uraniumc2.ddns.net 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 5 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Gafgyt 2->38 8 Polar.mpsl.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 40 Uses dynamic DNS services 26->40 process4 process5 16 Polar.mpsl.elf 8->16         started        18 Polar.mpsl.elf 8->18         started        20 Polar.mpsl.elf 8->20         started        process6 22 Polar.mpsl.elf 16->22         started        24 Polar.mpsl.elf 16->24         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-18 17:28:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Mirai_Unpack
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf fd54c6134cf99a964d27f3829fc7176d126c8c5495c30efa3c3a4f6e2492f282

(this sample)

  
Delivery method
Distributed via web download

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