MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7f9df91b9c087e1860059473526ce8bf260aa34effa2d5b46568ffa6ed585fa. 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: f7f9df91b9c087e1860059473526ce8bf260aa34effa2d5b46568ffa6ed585fa
SHA3-384 hash: 324afa12fe7232c963f0b2ce5f9fb4efc97f1c7189afe1bd414fb9e924f697969738c1272057339747840225772e93e8
SHA1 hash: ca326bde5bc1b93d737bbe3251c62dab80cfdeb8
MD5 hash: 438dace1f176c2ab3f3222d71b96946e
humanhash: hotel-solar-kansas-october
File name:zersh4
Download: download sample
Signature Mirai
Create hunting rule
File size:45'068 bytes
First seen:2025-12-09 16:44:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:U6aZwt04jV95eaUDkcpOH6vS7HIFeuBjjU3CBoLxqClNT:daZwt0sL6k36vgHo/U3N9qClNT
TLSH T1FB137D76C43A6DA4C14956B4F8314A749F03F500D2A71EFB5E8589764043E7CFA0A7FA
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/69385221900ee247e8405a57/reports/09d9945b-8a70-4383-b9dc-d3fdaf12f1f4/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-09T12:58:00Z UTC
Last seen:
2025-12-09T13:26:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f7f9df91b9c087e1860059473526ce8bf260aa34effa2d5b46568ffa6ed585fa/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0be82701-1940-4a3f-858f-5e32e3537f72
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1829685
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1829685 Sample: zersh4.elf Startdate: 09/12/2025 Architecture: LINUX Score: 48 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->20 22 4 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 zersh4.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 zersh4.elf 8->14         started        process6 16 zersh4.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f7f9df91b9c087e1860059473526ce8bf260aa34effa2d5b46568ffa6ed585fa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7f9df91b9c087e1860059473526ce8bf260aa34effa2d5b46568ffa6ed585fa/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-09 16:45:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=67457enzycd6dbqalfdtkjworpzgbkru575c2w2gk2h7u3wvqx5a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251209-t9kd3s1nel/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9885259-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9118ebdf-f7ee-4728-8129-1442adcd30f7
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/f7f9df91b9c087e1860059473526ce8bf260aa34effa2d5b46568ffa6ed585fa

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: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 f7f9df91b9c087e1860059473526ce8bf260aa34effa2d5b46568ffa6ed585fa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726586/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726512/

Comments