MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9cbf53dc657fe63889b827dccc441b5d6004e074686f86cf1d63033acee7d688. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9cbf53dc657fe63889b827dccc441b5d6004e074686f86cf1d63033acee7d688
SHA3-384 hash: 42cf23f6e7a311247ccc7a4b5c9cf2db005fc213d8ebc4d700b04162eb189a553eed104010f26692137fc35c71d900c1
SHA1 hash: 4ce6f9aee6eabb9a8bbd709fc7c6a3abfedc0ed6
MD5 hash: d7b42e87de94694463201a975d94d508
humanhash: item-alpha-sad-december
File name:Polar.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:181'320 bytes
First seen:2026-01-17 20:19:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:QPGKnZuFYmIHyCH0weP2wnE9zeIxBTMxf7NjQbCysFm+KXgj:8GKuIHjziqbzBQj
TLSH T1B6043A06B5CCC0FDC89AD1745BBEB136D972BC5D123CB15B2784AE222E4FE605B2D644
telfhash t17551ff702ee5791c22db874ab30eeca8fc7606115ae230f55e277dd5ce46bc80e42462
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 b784633b94f332feb9cf753e478adb69f8cd2a80b90293f06ef4ce7bcb1eb690
File size (compressed) :67'792 bytes
File size (de-compressed) :181'320 bytes
Format:linux/amd64
Packed file: b784633b94f332feb9cf753e478adb69f8cd2a80b90293f06ef4ce7bcb1eb690

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
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
Link:
https://research.acce.ciphertechsolutions.com/results/ed3d1c66-87b2-4ec1-aaca-f7a5302b374c/
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Link:
https://www.filescan.io/uploads/696bef213dd9d20950586582/reports/822f0633-4d89-4201-892d-def6399457a1/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-17T18:29:00Z UTC
Last seen:
2026-01-17T21:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9cbf53dc657fe63889b827dccc441b5d6004e074686f86cf1d63033acee7d688/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c468fa80-c2dd-4ec4-89d5-b59cae448942
Behavior Graph:
Download SVG
%3 guuid=7fa89bdf-1900-0000-a5c9-27d0dd090000 pid=2525 /usr/bin/sudo guuid=07a2c4e1-1900-0000-a5c9-27d0e6090000 pid=2534 /tmp/sample.bin net guuid=7fa89bdf-1900-0000-a5c9-27d0dd090000 pid=2525->guuid=07a2c4e1-1900-0000-a5c9-27d0e6090000 pid=2534 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=07a2c4e1-1900-0000-a5c9-27d0e6090000 pid=2534->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=202efde1-1900-0000-a5c9-27d0e8090000 pid=2536 /tmp/sample.bin guuid=07a2c4e1-1900-0000-a5c9-27d0e6090000 pid=2534->guuid=202efde1-1900-0000-a5c9-27d0e8090000 pid=2536 clone guuid=a033c30c-1b00-0000-a5c9-27d0380c0000 pid=3128 /tmp/sample.bin guuid=07a2c4e1-1900-0000-a5c9-27d0e6090000 pid=2534->guuid=a033c30c-1b00-0000-a5c9-27d0380c0000 pid=3128 clone guuid=870ece0c-1b00-0000-a5c9-27d0390c0000 pid=3129 /tmp/sample.bin dns net send-data zombie guuid=07a2c4e1-1900-0000-a5c9-27d0e6090000 pid=2534->guuid=870ece0c-1b00-0000-a5c9-27d0390c0000 pid=3129 clone guuid=7cda03e2-1900-0000-a5c9-27d0e9090000 pid=2537 /tmp/sample.bin guuid=202efde1-1900-0000-a5c9-27d0e8090000 pid=2536->guuid=7cda03e2-1900-0000-a5c9-27d0e9090000 pid=2537 clone guuid=416606e2-1900-0000-a5c9-27d0ea090000 pid=2538 /tmp/sample.bin dns net send-data zombie guuid=202efde1-1900-0000-a5c9-27d0e8090000 pid=2536->guuid=416606e2-1900-0000-a5c9-27d0ea090000 pid=2538 clone guuid=416606e2-1900-0000-a5c9-27d0ea090000 pid=2538->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 42B f9ed34c3-977d-5a54-b8af-fb4beb1194e4 ilovenetssomuch.ddns.net:69 guuid=416606e2-1900-0000-a5c9-27d0ea090000 pid=2538->f9ed34c3-977d-5a54-b8af-fb4beb1194e4 send: 6B guuid=870ece0c-1b00-0000-a5c9-27d0390c0000 pid=3129->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 42B guuid=870ece0c-1b00-0000-a5c9-27d0390c0000 pid=3129->f9ed34c3-977d-5a54-b8af-fb4beb1194e4 send: 6B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1f4f7e86-94e8-4e06-8da2-78ff21e5ed95
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1852601
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852601 Sample: Polar.x86_64.elf Startdate: 17/01/2026 Architecture: LINUX Score: 84 22 ilovenetssomuch.ddns.net 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 36 2 other signatures 2->36 8 Polar.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Polar.x86_64.elf 8->12         started        14 Polar.x86_64.elf 8->14         started        16 Polar.x86_64.elf 8->16         started        process6 18 Polar.x86_64.elf 12->18         started        20 Polar.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9cbf53dc657fe63889b827dccc441b5d6004e074686f86cf1d63033acee7d688
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9cbf53dc657fe63889b827dccc441b5d6004e074686f86cf1d63033acee7d688/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-17 20:21:09 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ts7vhxdfp7tdrcnye7omyra3lvqajydunbxynty5mmbtvtxh22ea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260117-y4s69acs6d/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
ilovenetssomuch.ddns.net
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/b1f58602-2d04-456d-9511-ba4564fd6b86
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9cbf53dc657f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/9cbf53dc657fe63889b827dccc441b5d6004e074686f86cf1d63033acee7d688

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
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
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 b784633b94f332feb9cf753e478adb69f8cd2a80b90293f06ef4ce7bcb1eb690

Mirai

elf 9cbf53dc657fe63889b827dccc441b5d6004e074686f86cf1d63033acee7d688

(this sample)

  
Dropped by
SHA256 b784633b94f332feb9cf753e478adb69f8cd2a80b90293f06ef4ce7bcb1eb690
  
URLhaus
https://urlhaus.abuse.ch/url/3711448/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 259932c139baaa6d3f47b20651d23966
  
URLhaus
https://urlhaus.abuse.ch/url/3760011/

Comments