MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99bff4adcb1e047daa826367b3fa3a69d6fe84fb4f0127f3e5c90a9388d80f62. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99bff4adcb1e047daa826367b3fa3a69d6fe84fb4f0127f3e5c90a9388d80f62
SHA3-384 hash: 05fe32319127fb506c32317875b6002fd80d51cdca2382fb4613f7f30cd5b5429dbf44e704fc37696e6bebf2167f90ec
SHA1 hash: b6b7d2133e9ccdaddda28bc6a3c63ee969d132fe
MD5 hash: 3f92ddaee606ddf5805eb0d2a438a714
humanhash: stairway-early-sodium-mexico
File name:zyxel
Download: download sample
Signature Mirai
Create hunting rule
File size:2'711 bytes
First seen:2025-12-03 06:30:58 UTC
Last seen:Never
File type: sh
MIME type:text/x-shellscript
ssdeep 12:q0F2ZkNP6FKX0F2wkB76FKX0F2oiko4f6FKX0F2Rkt6FKX0F2QLkQ2hVD6FKX0Fe:vmU0tU7eYhK7qtnDyV6ZNZn
TLSH T1D95163CF15CAD7F0DDB5599171E988046CC2F697B4C3EF42E9E824A94C8ED8071D0E89
TrID 70.0% (.SH) Linux/UNIX shell script (7000/1)
30.0% (.) Unix-like shebang (var.3) (gen) (3000/1)
Magika shell
Reporter abuse_ch
Tags:sh
URLMalware sample (SHA256 hash)SignatureTags
http://158.94.210.88//Yboats.x862d7aad4cd9f534449106df11d19e3aed6a65db961acdd232885aee5cde939131 Miraielf ua-wget
http://158.94.210.88//Yboats.mips151ac329ae310dfb04c56227b1dbd901bee5ba48700702c568b8989010ff726d Miraielf mirai ua-wget
http://158.94.210.88//Yboats.mpsl6184c95af0c3d0bb886b0298184a6d05657d8a5737a272e256f0c8be71cbe2db Miraielf mirai ua-wget
http://158.94.210.88//Yboats.arm2cec0b417608931a403cfe5b028bb36d7308fce48c7b6ebf6dd6b5e5ea4fda0d Gafgytelf gafgyt ua-wget
http://158.94.210.88//Yboats.arm5f16f375df54b3c485164167423f7278339a1f7d87f9384be20a1dfb57e131d89 Miraielf ua-wget
http://158.94.210.88//Yboats.arm6a30d85f2dfd1b463fcc0c7feb9c912e55590c7ec02837b526cd1298010533860 Miraielf mirai ua-wget
http://158.94.210.88//Yboats.arm772b307a2d81e94f93e41c15f04a62d4d84a76d2d3b807ed76db9b533b41bd4c2 Miraielf mirai ua-wget
http://158.94.210.88//Yboats.ppc32315ee27ad49dc1519356e0b107fbd7db8269cbf6f283648056d6459160af5e Miraielf mirai ua-wget
http://158.94.210.88//Yboats.m68k9c05f063af0c3b63e7bd4b990303914a24722d6ec637aaf282faf050b9ae4166 Miraielf mirai ua-wget
http://158.94.210.88//Yboats.spc63f12222899ed2a303643d9d674a6375680eb5bcab4fb2959789b6be44bd505a Miraielf mirai ua-wget
http://158.94.210.88//Yboats.i686n/an/aelf ua-wget
http://158.94.210.88//Yboats.sh4a41516a742c34feb6fcc2814a4539b74a817c78699935b515fb51f333f29a139 Miraielf mirai ua-wget
http://158.94.210.88//Yboats.arcn/an/aelf ua-wget

Intelligence

File Origin
# of uploads :
1
# of downloads :
25
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30790.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-29.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/692fd9358e26c121ec950179/reports/bba026f9-c267-4ff2-a746-183c8cedd78d/overview
Result
Gathering data
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/99bff4adcb1e047daa826367b3fa3a69d6fe84fb4f0127f3e5c90a9388d80f62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99bff4adcb1e047daa826367b3fa3a69d6fe84fb4f0127f3e5c90a9388d80f62/
Threat name:
Linux.Downloader.Morila
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 06:31:18 UTC
File Type:
Text (Shell)
AV detection:
21 of 36 (58.33%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tg77jloldych3kucmnt3h6r2nhlp5bh3j4asp47fzefjhcgyb5ra._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251203-g96abswkdp/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Checks CPU configuration
UPX packed file
File and Directory Permissions Modification
Executes dropped EXE
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_Shellscript_Downloader
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Shellscript downloaders

File information

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

Web download

Mirai

sh 99bff4adcb1e047daa826367b3fa3a69d6fe84fb4f0127f3e5c90a9388d80f62

(this sample)

Mirai

elf f3d62ef5384d652eada72ac38603793a332e7ae74def72f6d20c5c5afe6e87df

Mirai

elf 2d7aad4cd9f534449106df11d19e3aed6a65db961acdd232885aee5cde939131

  
URLhaus
https://urlhaus.abuse.ch/url/3669717/
  
Delivery method
Distributed via web download
  
Dropping
MD5 5912a2cca11d4aad7350dc2d9c216411
  
Dropping
SHA256 2d7aad4cd9f534449106df11d19e3aed6a65db961acdd232885aee5cde939131

Comments