MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b9c375186942ea24988b3a689a64467426173c03f33cce1512b82deb18ec271. 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 5 File information Comments

SHA256 hash: 9b9c375186942ea24988b3a689a64467426173c03f33cce1512b82deb18ec271
SHA3-384 hash: 0e1e514eaeecb47a4b1a2701385321980888ee92faf1088d28e4e32d8b9306bc2a39988a466f2013d6d38cad4698803d
SHA1 hash: a121fba1b1a0d3c1c6264c8017e1bc47bc643fc5
MD5 hash: d35798409d3edc6db0de7e6a760fb8bf
humanhash: zulu-table-pluto-oxygen
File name:Polar.sh4
Download: download sample
Signature Mirai
File size:158'500 bytes
First seen:2025-11-18 22:11:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:ehQfq6inee0PIU/jdF7KHGCctKDHmQIybR9fFWuJlo/GO:ehUqWbxY9ctKS6pwu4/GO
TLSH T11FF38E22D8646E98C625C475F032EF395B539E9645831FBA1AA7CB718043DCCFE063B9
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-18T19:15:00Z UTC
Last seen:
2025-11-18T19:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h
Status:
terminated
Behavior Graph:
%3 guuid=a11f51e7-1700-0000-6c5f-6a9f080c0000 pid=3080 /usr/bin/sudo guuid=a33817ea-1700-0000-6c5f-6a9f0f0c0000 pid=3087 /tmp/sample.bin guuid=a11f51e7-1700-0000-6c5f-6a9f080c0000 pid=3080->guuid=a33817ea-1700-0000-6c5f-6a9f0f0c0000 pid=3087 execve
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: 1816552 Sample: Polar.sh4.elf Startdate: 18/11/2025 Architecture: LINUX Score: 76 26 lolzzmortex.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 4 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.sh4.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 9 other processes 2->14 signatures3 40 Uses dynamic DNS services 26->40 process4 process5 16 Polar.sh4.elf 8->16         started        18 Polar.sh4.elf 8->18         started        20 Polar.sh4.elf 8->20         started        process6 22 Polar.sh4.elf 16->22         started        24 Polar.sh4.elf 16->24         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-11-18 22:12:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
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: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 9b9c375186942ea24988b3a689a64467426173c03f33cce1512b82deb18ec271

(this sample)

  
Delivery method
Distributed via web download

Comments