MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6cf4676ea33b84b98e9c8d1f36c26f3ef3150f8ce6b985d1bc98659fb1e9ecd. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6cf4676ea33b84b98e9c8d1f36c26f3ef3150f8ce6b985d1bc98659fb1e9ecd
SHA3-384 hash: a58b31d3521273431f26b8e8b7e95fc99522c6ec87fd9f359e45b2f333414657aca76ca2f2ef2e0b66f2172f93e0eeeb
SHA1 hash: aa4ba9b9be0689af1129c21f29d117a74c3b1eaa
MD5 hash: f1cdd75cb7193d97714c857fbe040cd8
humanhash: cat-carpet-black-robin
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:88'084 bytes
First seen:2025-11-08 13:31:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:pZ0w2uD4KBFNXnrNHAnZGpQs0jakpdBtQSW78RtSdzQrUBo:p8uD5b3rNHOZ/9jbdXlWzQwBo
TLSH T168837CC6AAC3C4FAEC1306382177AB3659F7D43E2265DA83C3F89836AC22541D51765E
telfhash t19f312bfa1abe08fca7d05950921e5d323c1d9b7b14503bf34673da782267a83526bc39
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 bd87c6a44c6c88d7d8bf92a441cdbc456a04bdba82b4dc1b34eabfffbe894b74
File size (compressed) :43'288 bytes
File size (de-compressed) :88'084 bytes
Format:linux/i386
Packed file: bd87c6a44c6c88d7d8bf92a441cdbc456a04bdba82b4dc1b34eabfffbe894b74

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.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-7355719-0
Create hunting rule

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

Unix.Dropper.Mirai-9977145-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Receives data from a server
Opens a port
Sends data to a server
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai obfuscated
Link:
https://www.filescan.io/uploads/690f46608938e2fe22164e6b/reports/e5a3ba91-d354-4afa-8093-f8078140de3a/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
8
Processes remaning?
false
Remote TCP ports scanned:
37215,80
Full report:
https://elfdigest.com/brief/f6cf4676ea33b84b98e9c8d1f36c26f3ef3150f8ce6b985d1bc98659fb1e9ecd
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-08T11:04:00Z UTC
Last seen:
2025-11-09T01:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f6cf4676ea33b84b98e9c8d1f36c26f3ef3150f8ce6b985d1bc98659fb1e9ecd/results?tab=lookup
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1810577
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1810577 Sample: debug.elf Startdate: 08/11/2025 Architecture: LINUX Score: 72 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Yara detected Mirai 2->34 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        process3 process4 12 debug.elf 8->12         started        14 debug.elf 8->14         started        16 debug.elf 8->16         started        18 debug.elf 8->18         started        process5 20 debug.elf 12->20         started        22 debug.elf 12->22         started        24 debug.elf 12->24         started        26 debug.elf 12->26         started        process6 28 debug.elf 20->28         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f6cf4676ea33b84b98e9c8d1f36c26f3ef3150f8ce6b985d1bc98659fb1e9ecd
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f6cf4676ea33b84b98e9c8d1f36c26f3ef3150f8ce6b985d1bc98659fb1e9ecd/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-08 13:32:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=63hum5xkgo4exghjzdi7g3bg6pxtcuhyzzvzqxi3zgdft6y6t3gq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251108-qs3mjszkap/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (362544) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_aa39fb02 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/dae207e7-0fff-491b-bac5-98a1832b8ef2
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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_aa39fb02
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 bd87c6a44c6c88d7d8bf92a441cdbc456a04bdba82b4dc1b34eabfffbe894b74

Mirai

elf f6cf4676ea33b84b98e9c8d1f36c26f3ef3150f8ce6b985d1bc98659fb1e9ecd

(this sample)

  
Dropped by
SHA256 bd87c6a44c6c88d7d8bf92a441cdbc456a04bdba82b4dc1b34eabfffbe894b74
  
URLhaus
https://urlhaus.abuse.ch/url/3697593/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 ad52bf9dd97ce6af2594c75880a11821

Comments