MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 290b9a5b6e1e381f837c7a2f4cd573fd5babef8ca0e54871a90760174269e0a2. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 290b9a5b6e1e381f837c7a2f4cd573fd5babef8ca0e54871a90760174269e0a2
SHA3-384 hash: 6bfc2e503c9221907f00876e10a253f39c9bb2a345c60efa07bcb0fb6998d865395c273e5dcf0192476fbdbe57cc31f6
SHA1 hash: 8cfbb470c50b3b922640cd45c75cee897d4446d2
MD5 hash: 1c433863fdaeca927125c8dc4e6a9f05
humanhash: purple-rugby-violet-pizza
File name:sora.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:131'380 bytes
First seen:2026-02-27 17:24:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:qP6Sx2AJ3YxzKLdKy8KfGvAsgC5n7xaVhLJHOqpfWCXtkjh:qiSx2AJ3YxqK/KnsI/FDqh
TLSH T174D33905734C0C47D2673EF4363F27D193AFDA8222A8EA41254F9A8E9172E731589EDD
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 4a0a518021d5dc31d6cf7c5297dcfe301769d5385045ed9939a99d473e71c259
File size (compressed) :48'140 bytes
File size (de-compressed) :131'380 bytes
Format:linux/ppc32
Packed file: 4a0a518021d5dc31d6cf7c5297dcfe301769d5385045ed9939a99d473e71c259

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7bf76a39-7be9-40e3-86df-b4ed93a04ade/
Detection(s):
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-7135957-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-9940367-0
Create hunting rule

Unix.Trojan.Mirai-10012200-0
Create hunting rule

Unix.Trojan.Mirai-10012671-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.be
Link:
https://opentip.kaspersky.com/290b9a5b6e1e381f837c7a2f4cd573fd5babef8ca0e54871a90760174269e0a2/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0f5bedf5-77a9-4d08-b36e-a1b095507686
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/290b9a5b6e1e381f837c7a2f4cd573fd5babef8ca0e54871a90760174269e0a2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/290b9a5b6e1e381f837c7a2f4cd573fd5babef8ca0e54871a90760174269e0a2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-27 17:25:28 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fefzuw3ody4b7a34pixuzvlt7vn2x34mudsuq4nja5qboqtj4cra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd linux
Link:
https://tria.ge/reports/260227-vzge4sbw5d/
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/290b9a5b6e1e381f837c7a2f4cd573fd5babef8ca0e54871a90760174269e0a2

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_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 4a0a518021d5dc31d6cf7c5297dcfe301769d5385045ed9939a99d473e71c259

Mirai

elf 290b9a5b6e1e381f837c7a2f4cd573fd5babef8ca0e54871a90760174269e0a2

(this sample)

  
Dropped by
SHA256 4a0a518021d5dc31d6cf7c5297dcfe301769d5385045ed9939a99d473e71c259
  
URLhaus
https://urlhaus.abuse.ch/url/3786968/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 b8ad2fde5569a91d0662be246bf09139

Comments