MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55a15a5a105df4c7115d565c361ac46e43c778aae0155fad46fa8a0e61562b29. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55a15a5a105df4c7115d565c361ac46e43c778aae0155fad46fa8a0e61562b29
SHA3-384 hash: aa64a11b88f1434726baa33ed71278af281a7716257afb185f1b76c7784779527d43c3f176f0a4a0602a76674f2ece33
SHA1 hash: f9d6bf56d12f6c8a048d301499b108496d1cb793
MD5 hash: f21d962482e011781ffcbda2d3b88b64
humanhash: mike-saturn-fruit-august
File name:Polar.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:73'256 bytes
First seen:2025-11-18 17:24:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:00McAnMSQoS442lT3B1WGRYk9D+jTBWwPvGG3tYGMdjbxHC9XlrNLln:00MQSQIpl7B1LeoijTBWWvrm9C9XlBF
TLSH T12663025DBEA4682AC93DD47AB04B3269FEC0C4E3630E1F8CD37EC6C8C58552AB985475
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) :73'256 bytes
File size (de-compressed) :233'064 bytes
Format:linux/mipsel
Unpacked file: fd54c6134cf99a964d27f3829fc7176d126c8c5495c30efa3c3a4f6e2492f282

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL
Create hunting rule

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 packed upx
Link:
https://www.filescan.io/uploads/691cac3696b510474f56577c/reports/d0aec192-bd3f-49b7-980b-d445322300fa/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
7
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/55a15a5a105df4c7115d565c361ac46e43c778aae0155fad46fa8a0e61562b29
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:
2025-11-18T17:41:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/55a15a5a105df4c7115d565c361ac46e43c778aae0155fad46fa8a0e61562b29/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3801308a-2083-47e6-b46e-a7f00722dff3
Behavior Graph:
Download SVG
%3 guuid=5b263a5c-1a00-0000-4a3c-9be52f0a0000 pid=2607 /usr/bin/sudo guuid=fe97c15e-1a00-0000-4a3c-9be5380a0000 pid=2616 /tmp/sample.bin guuid=5b263a5c-1a00-0000-4a3c-9be52f0a0000 pid=2607->guuid=fe97c15e-1a00-0000-4a3c-9be5380a0000 pid=2616 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4118e2af-18ce-4eb7-8773-a8afac3e76c2
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1816300
Signature
Antivirus / Scanner detection for submitted sample
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: 1816300 Sample: Polar.mpsl.elf Startdate: 18/11/2025 Architecture: LINUX Score: 72 36 uraniumc2.ddns.net 2->36 38 169.254.169.254, 80 USDOSUS Reserved 2->38 40 4 other IPs or domains 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Yara detected Gafgyt 2->46 48 Sample is packed with UPX 2->48 10 Polar.mpsl.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 50 Uses dynamic DNS services 36->50 process4 process5 18 Polar.mpsl.elf 10->18         started        20 Polar.mpsl.elf 10->20         started        22 Polar.mpsl.elf 10->22         started        process6 24 Polar.mpsl.elf 18->24         started        26 Polar.mpsl.elf 18->26         started        28 Polar.mpsl.elf 20->28         started        process7 30 Polar.mpsl.elf 24->30         started        32 Polar.mpsl.elf 28->32         started        process8 34 Polar.mpsl.elf 30->34         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/55a15a5a105df4c7115d565c361ac46e43c778aae0155fad46fa8a0e61562b29
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55a15a5a105df4c7115d565c361ac46e43c778aae0155fad46fa8a0e61562b29/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kwqvuwqqlx2moek5kzodmgwenzb4o6fk4akv7lkg7kfa4ykwfmuq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251118-vztqfagy8h/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b01b7e6e-0333-4d17-bb30-92d9df7bc5ee
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/55a15a5a105df4c7115d565c361ac46e43c778aae0155fad46fa8a0e61562b29

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 55a15a5a105df4c7115d565c361ac46e43c778aae0155fad46fa8a0e61562b29

(this sample)

Mirai

elf fd54c6134cf99a964d27f3829fc7176d126c8c5495c30efa3c3a4f6e2492f282

  
URLhaus
https://urlhaus.abuse.ch/url/3711525/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3711526/
  
Dropping
SHA256 fd54c6134cf99a964d27f3829fc7176d126c8c5495c30efa3c3a4f6e2492f282
  
Dropping
MD5 f4202146b7aafbbab519252217318d73

Comments