MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1dfa7a522f8b3c68d79171de45f1e17114f2ed24d67af531309375a58d7709b. 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 6 File information Comments

SHA256 hash: c1dfa7a522f8b3c68d79171de45f1e17114f2ed24d67af531309375a58d7709b
SHA3-384 hash: a47d5983c8db32439b0ff71a199d6018e0eb38d0032ca83bcf42f7158a01690e0b99afb68e7902dd288c01deaa2dc5cc
SHA1 hash: 0cad84bdb09ddb28707fba17164a91f143ad5151
MD5 hash: 5f5a46a2e2cd443325bd85e119ac4d61
humanhash: princess-four-lactose-beer
File name:Polar.mpsl
Download: download sample
Signature Mirai
File size:233'096 bytes
First seen:2026-01-17 20:19:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:0suyb9d+PBned2cOkbXPNgOXjJ27iqnyTzTehWpVyK4UJJx:0Ob9d+PBnabOkbXVD47TnyihQqUJJ
TLSH T19934E70AABA10EFBE8ABCD3706ED1B4128CC551721A57F7A3274D914F14B64B49E3C78
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 46d699e5fecb934da82228f81c8d2ede537e4ed84cdcf0c6816dba773073577c
File size (compressed) :73'256 bytes
File size (de-compressed) :233'096 bytes
Format:linux/mipsel
Packed file: 46d699e5fecb934da82228f81c8d2ede537e4ed84cdcf0c6816dba773073577c

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-17T18:29:00Z UTC
Last seen:
2026-01-17T21:20:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=93683238-1a00-0000-697c-af55d40a0000 pid=2772 /usr/bin/sudo guuid=f200f33a-1a00-0000-697c-af55d80a0000 pid=2776 /tmp/sample.bin guuid=93683238-1a00-0000-697c-af55d40a0000 pid=2772->guuid=f200f33a-1a00-0000-697c-af55d80a0000 pid=2776 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
84 / 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
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852600 Sample: Polar.mpsl.elf Startdate: 17/01/2026 Architecture: LINUX Score: 84 26 ilovenetssomuch.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 40 2 other signatures 2->40 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 38 Uses dynamic DNS services 26->38 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.Worm.Mirai
Status:
Malicious
First seen:
2026-01-17 20:21:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 c1dfa7a522f8b3c68d79171de45f1e17114f2ed24d67af531309375a58d7709b

(this sample)

  
Delivery method
Distributed via web download

Comments