MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbfbd71fe52b4f507617bfee6cc1b4ae05d0e0ebb02007ffa0f8494a87281394. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cbfbd71fe52b4f507617bfee6cc1b4ae05d0e0ebb02007ffa0f8494a87281394
SHA3-384 hash: 3d1adfb341262bda2d53b88c6e65e170cb80b94ef12229e04276b648f030746d97cec21f80ba3b0644a34dd90bbca656
SHA1 hash: be4e6f9292a1cee09bb48b646119f4068e5d7c62
MD5 hash: 83bb293c09e41eb7e06e6bb1d9da5cc2
humanhash: cold-may-queen-kitten
File name:nz.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:91'584 bytes
First seen:2026-07-22 17:55:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:NmcL9q1B6mDftrSq1hu9TnTb4UUhL2o2jDthaDH8kX8oZIH:NjBq1BtD6wq5MIB+IH
TLSH T1EE93F781B8824A6AC6E02379E66E718E33A0B3F5D2CF3127DD615B1277D518B0D67F81
telfhash t187e06140fe764b1844e75634ecdd07b49511211761664710cf54daf0883f118a31cd5e
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 abfb82063edae5e261ad2a1a6759feb184c59d1aa36c3d8fa4755a9365af85fd
File size (compressed) :32'884 bytes
File size (de-compressed) :91'584 bytes
Format:linux/arm
Packed file: abfb82063edae5e261ad2a1a6759feb184c59d1aa36c3d8fa4755a9365af85fd

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/46da4ab2-204d-4458-89ae-60ebcbf9252a/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.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.Trojan.Mirai-9441505-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

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

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6a610444f3f8584e1b7d0110/reports/3be1418f-2c49-40ed-91a7-73708e714913/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cbfbd71fe52b4f507617bfee6cc1b4ae05d0e0ebb02007ffa0f8494a87281394
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3883eb66-1910-4d0d-8734-fccfac16d8bb
Behavior Graph:
Download SVG
%3 guuid=0d080af2-1600-0000-d9f5-1361d90d0000 pid=3545 /usr/bin/sudo guuid=c3b2adf3-1600-0000-d9f5-1361e00d0000 pid=3552 /tmp/sample.bin guuid=0d080af2-1600-0000-d9f5-1361d90d0000 pid=3545->guuid=c3b2adf3-1600-0000-d9f5-1361e00d0000 pid=3552 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/87b71eef-d041-4dce-b645-5b5d2800639b
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cbfbd71fe52b4f507617bfee6cc1b4ae05d0e0ebb02007ffa0f8494a87281394
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cbfbd71fe52b4f507617bfee6cc1b4ae05d0e0ebb02007ffa0f8494a87281394/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zp55oh7ffnhva5qxx7xgzqnuvyc5byhlwaqap75a7beuvbzicoka._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet
Link:
https://tria.ge/reports/260722-wh3gpaac55/
Malware Config
C2 Extraction:
cgur743.zapto.org
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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 abfb82063edae5e261ad2a1a6759feb184c59d1aa36c3d8fa4755a9365af85fd

Mirai

elf cbfbd71fe52b4f507617bfee6cc1b4ae05d0e0ebb02007ffa0f8494a87281394

(this sample)

  
Dropped by
SHA256 abfb82063edae5e261ad2a1a6759feb184c59d1aa36c3d8fa4755a9365af85fd
  
Dropped by
MD5 8c146cb8d0f953f4f499c22dccad4ae9
  
URLhaus
https://urlhaus.abuse.ch/url/3887327/
  
Delivery method
Distributed via web download

Comments