MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f278033b6eb279ac8644b54bd41e2618f096938224cda1430de2655c5a7087d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f278033b6eb279ac8644b54bd41e2618f096938224cda1430de2655c5a7087d
SHA3-384 hash: fdd6bc07494052cad6d7ec4817193e0178222a806507e71502bc3d3cab5d07e033875ec22e62e87a78dd6dcd317fc76b
SHA1 hash: 070af12529544e699b9191dceb491a845c32103e
MD5 hash: 439d3fe5290438a1bf9f498266d593a1
humanhash: eight-social-lemon-mike
File name:rondo.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:117'348 bytes
First seen:2025-12-19 05:42:23 UTC
Last seen:2025-12-19 09:13:12 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:KzJ8ps/6jL6AVzQnEXaIEY77M4jcFK7evkX17EUdkrsC5qQcpcPZdxNh:KGpsCj2yzdXhE8jcM7X1pdkrstfYTh
TLSH T10FB39E22C5AC5AD4D1ADEAF064F4EFB60B62A045504B0EBB6BBEC25D1943DC8F1473B1
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 :
2
# of downloads :
114
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6944e5f4a7163552ba02b36f/reports/c2e0fb0b-d27a-430a-a875-cff64b415386/overview
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2025-12-19T05:05:00Z UTC
Last seen:
2025-12-19T05:17:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4f278033b6eb279ac8644b54bd41e2618f096938224cda1430de2655c5a7087d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c2da85f6-691b-45d8-94de-42dfb546c8f5
Behavior Graph:
Download SVG
%3 guuid=ac5becb9-1600-0000-9661-31a54a0d0000 pid=3402 /usr/bin/sudo guuid=39b99fbb-1600-0000-9661-31a5510d0000 pid=3409 /tmp/sample.bin guuid=ac5becb9-1600-0000-9661-31a54a0d0000 pid=3402->guuid=39b99fbb-1600-0000-9661-31a5510d0000 pid=3409 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5d82d182-2092-41e9-b277-336e328d7e26
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1836099
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836099 Sample: rondo.sh4.elf Startdate: 19/12/2025 Architecture: LINUX Score: 52 13 109.202.202.202, 80 INIT7CH Switzerland 2->13 15 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->15 17 2 other IPs or domains 2->17 19 Multi AV Scanner detection for submitted file 2->19 6 rondo.sh4.elf 2->6         started        9 dash rm 2->9         started        11 dash rm 2->11         started        signatures3 process4 signatures5 21 Sample deletes itself 6->21
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4f278033b6eb279ac8644b54bd41e2618f096938224cda1430de2655c5a7087d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f278033b6eb279ac8644b54bd41e2618f096938224cda1430de2655c5a7087d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-19 05:43:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4tyam5w5mtzvsdejnkl2qpcmghqs2jyejgnufbq3ytflrnhbb6q._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251219-gd9ymsfz4g/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/8952d707-6eaf-4973-b6d2-d16afc6bdc40
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/4f278033b6eb279ac8644b54bd41e2618f096938224cda1430de2655c5a7087d

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: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 4f278033b6eb279ac8644b54bd41e2618f096938224cda1430de2655c5a7087d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3736082/
  
Delivery method
Distributed via web download

Comments