MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a11a2a21c29c4f4c51efbf3e9666e92ba4c4e29473caf28e002046465926d2b9. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a11a2a21c29c4f4c51efbf3e9666e92ba4c4e29473caf28e002046465926d2b9
SHA3-384 hash: fe538ea69a3ebbcfb4f72a01b1e108e9633b59d0747262def705dc6dbfe3e10e294d25a5a21bb67340f97062b9c56bd6
SHA1 hash: e3642774461d46675801aef86b241a7ed99261fe
MD5 hash: c3fe453aaa339a993665cc7f3ca4e451
humanhash: victor-august-stairway-don
File name:S3o.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:109'968 bytes
First seen:2025-11-19 23:28:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:zKGf4l7mDTXoeB+Egwe4RP1xAt+lLnuJTjtOEbQcG3cGG:zKI4lmvXoeB+Egwe4tJuxjn7BX
TLSH T100B34B03B9C28DFDC049C038437EB536D926F0EE1739B29B27E5EE266D0EE610A19955
telfhash t1a32188703ccd3ae810d39738b25eede8e53108310dd179a99d6b6e99df0ab440c82089
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 a331be0da746439c8993d578891c675694d46a79c1a2ee72f61d5c7c8b3f2b57
File size (compressed) :47'596 bytes
File size (de-compressed) :109'968 bytes
Format:linux/amd64
Packed file: a331be0da746439c8993d578891c675694d46a79c1a2ee72f61d5c7c8b3f2b57

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sends data to a server
Receives data from a server
Changes access rights for a file
Runs as daemon
Opens a port
DNS request
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/691e52e81786844b7a674f90/reports/1cb08e0e-0166-4edf-b9a2-6ae85fdb3197/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
12
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a11a2a21c29c4f4c51efbf3e9666e92ba4c4e29473caf28e002046465926d2b9
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-19T21:39:00Z UTC
Last seen:
2025-11-19T22:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a11a2a21c29c4f4c51efbf3e9666e92ba4c4e29473caf28e002046465926d2b9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/732c9508-09b2-4de7-bf45-3224b071d501
Behavior Graph:
Download SVG
%3 guuid=25e2f0e8-1a00-0000-1c19-88c2b40b0000 pid=2996 /usr/bin/sudo guuid=3c8a01eb-1a00-0000-1c19-88c2bb0b0000 pid=3003 /tmp/sample.bin net guuid=25e2f0e8-1a00-0000-1c19-88c2b40b0000 pid=2996->guuid=3c8a01eb-1a00-0000-1c19-88c2bb0b0000 pid=3003 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=3c8a01eb-1a00-0000-1c19-88c2bb0b0000 pid=3003->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=9afc3beb-1a00-0000-1c19-88c2bc0b0000 pid=3004 /tmp/sample.bin guuid=3c8a01eb-1a00-0000-1c19-88c2bb0b0000 pid=3003->guuid=9afc3beb-1a00-0000-1c19-88c2bc0b0000 pid=3004 clone guuid=2b58f015-1c00-0000-1c19-88c2ac0d0000 pid=3500 /tmp/sample.bin guuid=3c8a01eb-1a00-0000-1c19-88c2bb0b0000 pid=3003->guuid=2b58f015-1c00-0000-1c19-88c2ac0d0000 pid=3500 clone guuid=73eaf815-1c00-0000-1c19-88c2ad0d0000 pid=3501 /tmp/sample.bin dns net send-data zombie guuid=3c8a01eb-1a00-0000-1c19-88c2bb0b0000 pid=3003->guuid=73eaf815-1c00-0000-1c19-88c2ad0d0000 pid=3501 clone guuid=de9844eb-1a00-0000-1c19-88c2bd0b0000 pid=3005 /tmp/sample.bin guuid=9afc3beb-1a00-0000-1c19-88c2bc0b0000 pid=3004->guuid=de9844eb-1a00-0000-1c19-88c2bd0b0000 pid=3005 clone guuid=0c904deb-1a00-0000-1c19-88c2bf0b0000 pid=3007 /tmp/sample.bin dns net send-data zombie guuid=9afc3beb-1a00-0000-1c19-88c2bc0b0000 pid=3004->guuid=0c904deb-1a00-0000-1c19-88c2bf0b0000 pid=3007 clone guuid=0c904deb-1a00-0000-1c19-88c2bf0b0000 pid=3007->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1332B 523b0464-0fb8-5b09-bcd5-9d712137b22c vmr3b.bounceme.net:12121 guuid=0c904deb-1a00-0000-1c19-88c2bf0b0000 pid=3007->523b0464-0fb8-5b09-bcd5-9d712137b22c send: 222B guuid=73eaf815-1c00-0000-1c19-88c2ad0d0000 pid=3501->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1260B guuid=73eaf815-1c00-0000-1c19-88c2ad0d0000 pid=3501->523b0464-0fb8-5b09-bcd5-9d712137b22c send: 210B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/499163aa-4292-41d3-a8e6-f90b9f28194a
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1817359
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1817359 Sample: S3o.x86_64.elf Startdate: 20/11/2025 Architecture: LINUX Score: 64 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 vmr3b.bounceme.net 41.216.189.110, 12121, 51502, 51504 AS40676US South Africa 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Yara detected Mirai 2->32 8 S3o.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 S3o.x86_64.elf 8->12         started        14 S3o.x86_64.elf 8->14         started        16 S3o.x86_64.elf 8->16         started        process6 18 S3o.x86_64.elf 12->18         started        20 S3o.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a11a2a21c29c4f4c51efbf3e9666e92ba4c4e29473caf28e002046465926d2b9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a11a2a21c29c4f4c51efbf3e9666e92ba4c4e29473caf28e002046465926d2b9/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-19 23:29:52 UTC
File Type:
ELF64 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uencuioctrhuyuppx47jmzxjfosmjyuuopfpfdqaebdemwjg2k4q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251119-3gzgzawqbx/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/9f1a188e-8740-4e47-82c4-375b9fdae0ea
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a11a2a21c29c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/a11a2a21c29c4f4c51efbf3e9666e92ba4c4e29473caf28e002046465926d2b9

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
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_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 a331be0da746439c8993d578891c675694d46a79c1a2ee72f61d5c7c8b3f2b57

Mirai

elf a11a2a21c29c4f4c51efbf3e9666e92ba4c4e29473caf28e002046465926d2b9

(this sample)

  
Dropped by
SHA256 a331be0da746439c8993d578891c675694d46a79c1a2ee72f61d5c7c8b3f2b57
  
URLhaus
https://urlhaus.abuse.ch/url/3712159/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 3228a6b0b382fb508abc6aa717dc7809
  
URLhaus
https://urlhaus.abuse.ch/url/3712502/
  
URLhaus
https://urlhaus.abuse.ch/url/3712515/
  
URLhaus
https://urlhaus.abuse.ch/url/3712531/

Comments