MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8535d3f759f25d0e1b4cc2600c4618330ae5ccb5fbdedd751621d2e5ead66eb. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8535d3f759f25d0e1b4cc2600c4618330ae5ccb5fbdedd751621d2e5ead66eb
SHA3-384 hash: 9d361851f44ba9cef428c9df79f3022d7051846eac53f679a10eda6a4ad0c32449613b9d68ff245b2b4af4113deb2e7b
SHA1 hash: 12e99e45d3b96891c16abbb16b035aa740e1dd63
MD5 hash: 5650e94c19a6313c8a308cbe6c218c2d
humanhash: massachusetts-network-speaker-low
File name:S3o.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:47'304 bytes
First seen:2025-11-27 09:47:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:kIinmP2YwITjZDXL0LlHwWNE7INafF1a5UzFs26OEQVoAGbjkneOMDk2tB/2NgsB:kcjLpLgPU+Ea5UKROEeyjkneOMIOBOZB
TLSH T19C23F131A4F2ED41C43E967605BE394E99AEB27DF12A4CF5C354E02F487CE3930A458A
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) :47'304 bytes
File size (de-compressed) :111'892 bytes
Format:linux/i386
Unpacked file: 2b872239f8936bc9416bdbf7385bf85400f4f09037b966ab4dcf50f51ea14f59

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/69281e711f81e9cde883bbb3/reports/d8146eaa-3242-4d45-9d1f-a19bca2b7a32/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a8535d3f759f25d0e1b4cc2600c4618330ae5ccb5fbdedd751621d2e5ead66eb
Behaviour
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:
2025-11-27T07:03:00Z UTC
Last seen:
2025-11-28T23:59:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw
Link:
https://opentip.kaspersky.com/a8535d3f759f25d0e1b4cc2600c4618330ae5ccb5fbdedd751621d2e5ead66eb/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/85da90a5-f3c5-4a5e-a256-84f9495a290a
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1821647
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1821647 Sample: S3o.i686.elf Startdate: 27/11/2025 Architecture: LINUX Score: 68 26 vserge42.bounceme.net 41.216.189.185, 12121, 40200, 40202 AS40676US South Africa 2->26 28 54.217.10.153, 443, 49598 AMAZON-02US United States 2->28 30 daisy.ubuntu.com 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 38 Sample is packed with UPX 2->38 8 S3o.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 S3o.i686.elf 8->16         started        18 S3o.i686.elf 8->18         started        20 S3o.i686.elf 8->20         started        process6 22 S3o.i686.elf 16->22         started        24 S3o.i686.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a8535d3f759f25d0e1b4cc2600c4618330ae5ccb5fbdedd751621d2e5ead66eb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8535d3f759f25d0e1b4cc2600c4618330ae5ccb5fbdedd751621d2e5ead66eb/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a8535d3f759f25d0e1b4cc2600c4618330ae5ccb5fbdedd751621d2e5ead66eb
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-27 09:48:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vbjv2p3vt4s5bynuzqtabrdbqmyk4xgll6663v2rmios4xvnm3vq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251127-ls996sxrak/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/54d53292-4573-48a2-adf7-fcf4dedf65e4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/a8535d3f759f25d0e1b4cc2600c4618330ae5ccb5fbdedd751621d2e5ead66eb

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: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: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

elf a8535d3f759f25d0e1b4cc2600c4618330ae5ccb5fbdedd751621d2e5ead66eb

(this sample)

Mirai

elf 2b872239f8936bc9416bdbf7385bf85400f4f09037b966ab4dcf50f51ea14f59

  
URLhaus
https://urlhaus.abuse.ch/url/3717850/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 2b872239f8936bc9416bdbf7385bf85400f4f09037b966ab4dcf50f51ea14f59
  
Dropping
MD5 75acd6070bd20985d8418e4ee854dd2a

Comments