MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4c161f183d40a4e9908901e3519f2100a2cf14c19bbd5344ee8de5720f5790b. 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: 5


Intelligence 5 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4c161f183d40a4e9908901e3519f2100a2cf14c19bbd5344ee8de5720f5790b
SHA3-384 hash: afd1a3650d874ac6d540a7fc7fa67c271dbb197a450f23249bc3ab2416338ee20c05ae2febd82cfd0a4df300984d983f
SHA1 hash: ffd087a71ccbd0da4414eee81b64017e5cf831ad
MD5 hash: 26dbd3b125e7ce3c237367eb42ece5a3
humanhash: winner-speaker-table-mexico
File name:kurayami.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:67'684 bytes
First seen:2026-04-01 09:51:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:VjT9TY4ATMQiJ9LEf2q33MSwnI/FPZ7TKMMkqsLfZCklt4u+qgw09U:HY4bLPLEf933Dt/RZ7TNZT4u+qgwp
TLSH T1966301A4C311D9CBCFDB6DF40E04B7F1A2326D0996722AD3A77883906BD7E0A5249DC4
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
File size (compressed) :67'684 bytes
File size (de-compressed) :184'024 bytes
Format:linux/ppc32
Unpacked file: 1609198cc39a75dcfa8382d1f70d4fead035306446fc95b48971f977910181ea

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Detection(s):
Unix.Trojan.Mirai-9936831-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d989bf76-fd02-49ed-ac22-d3460cc80613
Behavior Graph:
Download SVG
%3 guuid=4f02d695-1800-0000-de9d-9ef1a70d0000 pid=3495 /usr/bin/sudo guuid=d9770598-1800-0000-de9d-9ef1ad0d0000 pid=3501 /tmp/sample.bin guuid=4f02d695-1800-0000-de9d-9ef1a70d0000 pid=3495->guuid=d9770598-1800-0000-de9d-9ef1ad0d0000 pid=3501 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a45ad2aa-2f25-41f1-9775-cabaa939813e
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4c161f183d40a4e9908901e3519f2100a2cf14c19bbd5344ee8de5720f5790b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4c161f183d40a4e9908901e3519f2100a2cf14c19bbd5344ee8de5720f5790b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-04-01 09:52:20 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtawd4md2qfe5giisapdkgpscafcz4kmdg55knco5dpfoihvpefq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux upx
Link:
https://tria.ge/reports/260401-lv61jaaz7p/
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
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:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b4c161f183d40a4e9908901e3519f2100a2cf14c19bbd5344ee8de5720f5790b

(this sample)

Mirai

elf 1609198cc39a75dcfa8382d1f70d4fead035306446fc95b48971f977910181ea

  
URLhaus
https://urlhaus.abuse.ch/url/3808212/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 1609198cc39a75dcfa8382d1f70d4fead035306446fc95b48971f977910181ea
  
Dropping
MD5 9cae6556a8c6789ad07eeca2640145c6

Comments