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: 7


Intelligence 7 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:2025-12-03 15:29:13 UTC
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.x86551d4e941a5e0687c830d3d62b342f58081d9da51bbb1e0bdaac84b22afa9349 Miraielf mirai ua-wget
http://158.94.210.88//Yboats.mips025b91b0113ab068d7465001b42aff05895b521a0f69e4398493be6fc7771cd0 Miraielf mirai ua-wget
http://158.94.210.88//Yboats.mpsl0736885e677bd68b361aea496c36c7035f04a1ba48520f6e11bdf791906dca2e Miraielf mirai ua-wget
http://158.94.210.88//Yboats.arm9e5161c87467747f187a6a2187bfced7c879ce172f86b4a8e6fb601e2b239b5f Miraielf gafgyt mirai ua-wget
http://158.94.210.88//Yboats.arm566f8c92f52b3624d772aab0a43ee237f0d80e69f4c058f8e0a7eaefb92d0f54c Miraielf mirai ua-wget
http://158.94.210.88//Yboats.arm69a598c801604aacb47b2cddd1ea34849174777eccafb43f0a713a61072c45aa5 Miraielf mirai ua-wget
http://158.94.210.88//Yboats.arm7a8a1552be0e3cb87561624788c2ef3898812465ddd432337893d4bed75133f71 Miraielf mirai ua-wget
http://158.94.210.88//Yboats.ppc4f36c02269bd197c493c0a51a7358377d1f2b6b69167db60dbbb231802585e2c Miraielf mirai ua-wget
http://158.94.210.88//Yboats.m68k64d6b4663f85c86d68de53d3be0b964468cbb3ac83e04e24be8485168616844a Miraielf mirai ua-wget
http://158.94.210.88//Yboats.spcbcee999cac8f6fb61ccc6eaa4d6ab7b046f1c47de8accae3226e1f057d58680a Miraielf mirai ua-wget
http://158.94.210.88//Yboats.i68622225ac56d5b1e5cc24ec6a09623d49b9d64148bc88509957687f80d1f5ab6eb Miraielf mirai ua-wget
http://158.94.210.88//Yboats.sh453d5bfedbe9335244088648533751e5260a82bb8359a8cd7540a76b9e880990d Miraielf mirai ua-wget
http://158.94.210.88//Yboats.arc85e693f744d7d39903d77827ee449b3faee30b092deeb1d9d7391b452444e4f9 Miraielf mirai ua-wget

Intelligence

File Origin
# of uploads :
2
# of downloads :
39
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
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-12-03T05:41:00Z UTC
Last seen:
2025-12-03T06:43:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/99bff4adcb1e047daa826367b3fa3a69d6fe84fb4f0127f3e5c90a9388d80f62/results?tab=lookup
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:
22 of 38 (57.89%)
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
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/99bff4adcb1e/report/overview.html
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
  
URLhaus
https://urlhaus.abuse.ch/url/3669690/

Comments