MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bddbc8af0e251ae5904d795e8f01db829d66e998fed6caff36047bba1b73141. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2bddbc8af0e251ae5904d795e8f01db829d66e998fed6caff36047bba1b73141
SHA3-384 hash: 8c0f3f4816b94dd30ac0878833787b0a344539a00f34a5cf8af764e2168b60d04884b99297c57b823a9ac524df302817
SHA1 hash: e5411a54fc352c2864de69a8d775deb5f34b7f82
MD5 hash: 4d7d3d62e3b9a7aec60bf1ef95931ab1
humanhash: crazy-ohio-oven-arkansas
File name:cronn
Download: download sample
Signature Mirai
Create hunting rule
File size:113'856 bytes
First seen:2025-10-24 09:06:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:7KHGTVO/dXfCAbAnPzEjlAswt1jUj98lYN9Z5PTDuAdFMPeJ2Yggzx:7KiedXfCAbSzEfalYN9LvbQKzx
TLSH T174B3C609BF611EF7E86FCC370AE91B0528CC692A21B87B757534D518F24A64F1AE3874
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 25949142e7edafee813dd0e2864449755128a61bd6bd24ffc56572543d8a50bd
File size (compressed) :42'308 bytes
File size (de-compressed) :113'856 bytes
Format:linux/mipsel
Packed file: 25949142e7edafee813dd0e2864449755128a61bd6bd24ffc56572543d8a50bd

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.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.Trojan.Mirai-8025795-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Changes access rights for a written file
Sends data to a server
DNS request
Changes access rights for a file
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet mirai obfuscated
Link:
https://www.filescan.io/uploads/68fb41a3fd2d7e012f4d229d/reports/3b628845-3bf9-47dd-a834-c0f283e03d54/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-24T06:16:00Z UTC
Last seen:
2025-10-24T07:07:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/2bddbc8af0e251ae5904d795e8f01db829d66e998fed6caff36047bba1b73141/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/17691000-5ef9-42ce-a03d-0c801c0767b9
Behavior Graph:
Download SVG
%3 guuid=6cc735e0-1600-0000-bfab-569dc70d0000 pid=3527 /usr/bin/sudo guuid=959af3e2-1600-0000-bfab-569dd20d0000 pid=3538 /tmp/sample.bin guuid=6cc735e0-1600-0000-bfab-569dc70d0000 pid=3527->guuid=959af3e2-1600-0000-bfab-569dd20d0000 pid=3538 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d6192d9d-780f-4f21-b710-d7ab32054a63
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1801148
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1801148 Sample: cronn.elf Startdate: 24/10/2025 Architecture: LINUX Score: 68 26 ultrauraniummirai.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 8 cronn.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 cronn.elf 8->16         started        18 cronn.elf 8->18         started        20 cronn.elf 8->20         started        process6 22 cronn.elf 16->22         started        24 cronn.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2bddbc8af0e251ae5904d795e8f01db829d66e998fed6caff36047bba1b73141
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2bddbc8af0e251ae5904d795e8f01db829d66e998fed6caff36047bba1b73141/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/2bddbc8af0e251ae5904d795e8f01db829d66e998fed6caff36047bba1b73141
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-24 09:11:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fpo3zcxq4ji24wie26k6r4a5xau5m3uzr7wwzl7tmbd3xinxgfaq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251024-k24y3syjfs/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
ultrauraniummirai.ddns.net
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/c97790f5-5fa7-404d-bb57-c7250536a841
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/2bddbc8af0e251ae5904d795e8f01db829d66e998fed6caff36047bba1b73141

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
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 25949142e7edafee813dd0e2864449755128a61bd6bd24ffc56572543d8a50bd

Mirai

elf 2bddbc8af0e251ae5904d795e8f01db829d66e998fed6caff36047bba1b73141

(this sample)

  
Dropped by
SHA256 25949142e7edafee813dd0e2864449755128a61bd6bd24ffc56572543d8a50bd
  
URLhaus
https://urlhaus.abuse.ch/url/3685255/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 9047336bc9c78717d68e4a8d5dea27f5
  
URLhaus
https://urlhaus.abuse.ch/url/3687089/
  
URLhaus
https://urlhaus.abuse.ch/url/3687097/

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