MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b520f138b30704f7a94682b10912ccbed47e33a8fe9445ab6c8ca681d3e8bb2. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b520f138b30704f7a94682b10912ccbed47e33a8fe9445ab6c8ca681d3e8bb2
SHA3-384 hash: ab899348bf198b832a258a738e624b51cabb1bb94ec80b223d92ce94598f97db72fa3c1e89329d7b5cc74dc8ef96cb59
SHA1 hash: 830d08151293ec72051bc41c08764ff8980c4268
MD5 hash: 3b562ea5ee98dd29777fdc82bf9d1d84
humanhash: washington-snake-asparagus-single
File name:zero.armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:48'256 bytes
First seen:2026-07-30 19:47:34 UTC
Last seen:2026-07-31 13:14:01 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:Jy549P+xyghF2FvWFN2Es6VHEezeS2ul3aKA+Hks20efM96dfy3rnbTeE9q3UEL9:Jm4mRFqvWFN/sMHEYeClDA+dLL6dfGnO
TLSH T17D23E161E73DEC37DE30087BB89D4E8F8905D4BC9AB620790BA7D6881DD2406DB63709
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
File size (compressed) :48'256 bytes
File size (de-compressed) :125'112 bytes
Format:linux/arm
Unpacked file: a685603be47c7c2290ed7682ec863cfbf363db84ca1f6a7f46a1e1cf5ac98d19

Intelligence

File Origin
# of uploads :
3
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a99cebf1-bfbc-4486-8e88-7fae84e1740f/
Detection(s):
SecuriteInfo.com.Linux.Mirai.9816.19096.25413.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Runs as daemon
Connection attempt
Substitutes an application name
Traces processes
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/6a6baa8b19ef0143f0a2cb43/reports/4d491021-977e-4c59-a0e5-a8e02a7e173d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
31
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3b520f138b30704f7a94682b10912ccbed47e33a8fe9445ab6c8ca681d3e8bb2
Behaviour
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-30T17:16:00Z UTC
Last seen:
2026-07-30T18:11:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3b520f138b30704f7a94682b10912ccbed47e33a8fe9445ab6c8ca681d3e8bb2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8fd83293-fa33-40c9-8ed9-b624e39b880c
Behavior Graph:
Download SVG
%3 guuid=f0daa49c-1a00-0000-b87d-19b9670a0000 pid=2663 /usr/bin/sudo guuid=e9c318a1-1a00-0000-b87d-19b96f0a0000 pid=2671 /tmp/sample.bin guuid=f0daa49c-1a00-0000-b87d-19b9670a0000 pid=2663->guuid=e9c318a1-1a00-0000-b87d-19b96f0a0000 pid=2671 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6b89be2b-edb5-4578-b8b6-8a77d8e3355f
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3b520f138b30704f7a94682b10912ccbed47e33a8fe9445ab6c8ca681d3e8bb2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b520f138b30704f7a94682b10912ccbed47e33a8fe9445ab6c8ca681d3e8bb2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-30 19:48:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnja6e4lgbye66uunavrbejmzpwupyz2r7uuiwvwzdfgqhj6roza._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260730-yjbrgaef94/
Behaviour
Reads runtime system information
Changes its process name
Modifies Watchdog functionality
Traces itself
Family: Mirai
Malware Config
C2 Extraction:
217.60.195.127
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/3b520f138b30704f7a94682b10912ccbed47e33a8fe9445ab6c8ca681d3e8bb2

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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/
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

sh fe1f6a9fa4f17f52f6dc426da7fd08547bf533c8a65a4de0ab1dda879a77dae6

Mirai

elf 3b520f138b30704f7a94682b10912ccbed47e33a8fe9445ab6c8ca681d3e8bb2

(this sample)

Mirai

elf a685603be47c7c2290ed7682ec863cfbf363db84ca1f6a7f46a1e1cf5ac98d19

  
URLhaus
https://urlhaus.abuse.ch/url/3893035/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a685603be47c7c2290ed7682ec863cfbf363db84ca1f6a7f46a1e1cf5ac98d19
  
Dropping
MD5 bf49ce3287ae063d2ed3d4a3a1666f3f
  
Dropped by
SHA256 fe1f6a9fa4f17f52f6dc426da7fd08547bf533c8a65a4de0ab1dda879a77dae6
  
Dropped by
MD5 b94939373a9171000f7bba72876c2633
  
URLhaus
https://urlhaus.abuse.ch/url/3893020/

Comments