MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f3d110d9bfe4fb21e4497f4bb5383cca4f5267be8c95f8b307f2c92ba1176db. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 9f3d110d9bfe4fb21e4497f4bb5383cca4f5267be8c95f8b307f2c92ba1176db
SHA3-384 hash: a10723e1914a3cbc7260fc708055a9dcbd1c0511cd7567bfd9a62e8318b90d86f4e2f99fad6cefdda7bef2638c334c96
SHA1 hash: a1f98c17e9b92d38206e402995fa35b34f469cd9
MD5 hash: a523d58778e1f39e47c20e66b306bedf
humanhash: chicken-north-wolfram-winter
File name:Polar.arm7
Download: download sample
Signature Mirai
File size:90'644 bytes
First seen:2025-11-18 21:51:34 UTC
Last seen:2025-11-18 23:33:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:97D8hYHYctF8QoQ/VYnHQaYN3m17z23tewnLlhgtQtGQSVr+aopi4Bjez3:97VYctF8O/3/AQewnLQCtBiSYVz3
TLSH T18893127D9A72F862B7309E72DFA20B4926CDFBF4D3AD253B052CD54412402A55D3B6C8
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) :90'644 bytes
File size (de-compressed) :251'908 bytes
Format:linux/arm
Unpacked file: 2a193c34091fd1b8ea1b4130f6ae3e1b7a5af8b4a3cefb0fcf90e17e8e76ec7f

Intelligence


File Origin
# of uploads :
3
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Opens a port
Sends data to a server
DNS request
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=a1756d70-1600-0000-b567-9773180c0000 pid=3096 /usr/bin/sudo guuid=1df80d72-1600-0000-b567-97731e0c0000 pid=3102 /tmp/sample.bin guuid=a1756d70-1600-0000-b567-9773180c0000 pid=3096->guuid=1df80d72-1600-0000-b567-97731e0c0000 pid=3102 execve
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816536 Sample: Polar.arm7.elf Startdate: 18/11/2025 Architecture: LINUX Score: 60 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 4 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Sample is packed with UPX 2->36 8 Polar.arm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 Polar.arm7.elf 8->16         started        18 Polar.arm7.elf 8->18         started        20 Polar.arm7.elf 8->20         started        process6 22 Polar.arm7.elf 16->22         started        24 Polar.arm7.elf 16->24         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-18 21:52:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
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
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 9f3d110d9bfe4fb21e4497f4bb5383cca4f5267be8c95f8b307f2c92ba1176db

(this sample)

  
Delivery method
Distributed via web download

Comments