MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caa57a7819737f28a0fcfff1a76fd6e0e1ef161c066fcfe7cb7cbead9fc0cc05. 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: 9


Intelligence 9 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: caa57a7819737f28a0fcfff1a76fd6e0e1ef161c066fcfe7cb7cbead9fc0cc05
SHA3-384 hash: fa4471aa88e15c1479a2daeb9252bf1934e462adf17ebfbbd8daed4358ec1119525e322056f56fd8d6d41d5f46947a98
SHA1 hash: e532afa7bdfe17d782ccc76fbc41a76afd0c09f5
MD5 hash: 80512ea4a8108935065f18d816ea946b
humanhash: friend-paris-finch-delta
File name:boatnet.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:63'400 bytes
First seen:2026-04-28 11:51:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Zl1yrzOStm5O+WmJlpMLha3I9eQGqp1G3NkOJFwjMxsGcGvBeRqqH+3YOdmE9pI1:H0/OsODpuGIYqpd7jMzcGMRG31MKpBu
TLSH T149537C13B68090FDC8DAC2B48B9AA225E5B3747F1235F31927C4EE252F2EE506E5D740
telfhash t1d321fb7138662de871fbb926b346e0658d794e7510e031f5e1b07af8db15b4009b6827
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 28682b51c72f1f9f7d7401b1db5ce0cfc5febfaf4f6102ecbd56def8d9a4deaf
File size (compressed) :34'188 bytes
File size (de-compressed) :63'400 bytes
Format:linux/amd64
Packed file: 28682b51c72f1f9f7d7401b1db5ce0cfc5febfaf4f6102ecbd56def8d9a4deaf

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
mirai obfuscated soft-404
Link:
https://www.filescan.io/uploads/69f09f79c06ec088bf617b20/reports/a82c3af3-3679-4884-821f-42532c56b36d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/caa57a7819737f28a0fcfff1a76fd6e0e1ef161c066fcfe7cb7cbead9fc0cc05
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-04-29T23:06:00Z UTC
Last seen:
2026-04-29T23:24:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/caa57a7819737f28a0fcfff1a76fd6e0e1ef161c066fcfe7cb7cbead9fc0cc05/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a5338c6b-708c-474a-9201-8a05b4bd11d7
Behavior Graph:
Download SVG
%3 guuid=7c2b52fc-1a00-0000-0444-2312fb0a0000 pid=2811 /usr/bin/sudo guuid=7e23b4fe-1a00-0000-0444-2312ff0a0000 pid=2815 /tmp/sample.bin net send-data guuid=7c2b52fc-1a00-0000-0444-2312fb0a0000 pid=2811->guuid=7e23b4fe-1a00-0000-0444-2312ff0a0000 pid=2815 execve 7d99d389-2e26-5467-9b0e-2a350925f31e 176.65.139.69:123 guuid=7e23b4fe-1a00-0000-0444-2312ff0a0000 pid=2815->7d99d389-2e26-5467-9b0e-2a350925f31e send: 1B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2803f041-2a76-4f0f-8bec-e4be6bafe7df
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/caa57a7819737f28a0fcfff1a76fd6e0e1ef161c066fcfe7cb7cbead9fc0cc05
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/caa57a7819737f28a0fcfff1a76fd6e0e1ef161c066fcfe7cb7cbead9fc0cc05/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-04-28 11:52:31 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zksxu6azon7srih477y2o36w4dq66fq4azx47z6lps7k3h6azqcq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260428-n1yx8acw6q/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/caa57a7819737f28a0fcfff1a76fd6e0e1ef161c066fcfe7cb7cbead9fc0cc05

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:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/

File information

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

Web download

Mirai

elf 28682b51c72f1f9f7d7401b1db5ce0cfc5febfaf4f6102ecbd56def8d9a4deaf

Mirai

elf caa57a7819737f28a0fcfff1a76fd6e0e1ef161c066fcfe7cb7cbead9fc0cc05

(this sample)

  
Dropped by
SHA256 28682b51c72f1f9f7d7401b1db5ce0cfc5febfaf4f6102ecbd56def8d9a4deaf
  
URLhaus
https://urlhaus.abuse.ch/url/3828865/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 2a1f90e03d92668ff3dced4cca7dec01
  
URLhaus
https://urlhaus.abuse.ch/url/3828863/

Comments