MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb5d62b5100eca094962e0e03bef6b181ff7f910afb36dcdc62095ceef91e08d. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb5d62b5100eca094962e0e03bef6b181ff7f910afb36dcdc62095ceef91e08d
SHA3-384 hash: 28019371dcda20b78de2a775bbded45acd6680d5fd4ac6a767ebe9a6b3281b30965ccff41f7081d29200da26ba02b012
SHA1 hash: 055f047b96aede39cc6992c647725facc27a39f4
MD5 hash: 4550c36c4bb290d75074e40afb5fbaa7
humanhash: paris-mirror-rugby-pennsylvania
File name:S3o.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:100'564 bytes
First seen:2025-11-20 12:18:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:BnJyYba2qd7fRRI7GEBOkfmuWwqUwRZBMvYgKiBtlgALf5SZ+ZeiPyC:bFbaViGs1fmBwq9RZBifNtXD58iPyC
TLSH T1ACA36CD6F243D8F9EC2241303176FB378E72E5BA2129DD83D7A49A72BC52942D406E5C
telfhash t1fb312fbab2bb1ce497d05903f60a6b30bd5ca7bb105037b704f72839365250152bbd39
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 99293f1197d74dbb6f6bbe1d8aaafe76423694e4490c6e012afccc2e5cc82d42
File size (compressed) :45'088 bytes
File size (de-compressed) :100'564 bytes
Format:linux/i386
Packed file: 99293f1197d74dbb6f6bbe1d8aaafe76423694e4490c6e012afccc2e5cc82d42

Intelligence

File Origin
# of uploads :
1
# of downloads :
44
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
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/691f074826e9808413197592/reports/acdddd93-26ad-4cd8-a4ee-552fe5a899ec/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:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/fb5d62b5100eca094962e0e03bef6b181ff7f910afb36dcdc62095ceef91e08d
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:
2025-11-20T10:27:00Z UTC
Last seen:
2025-11-20T13:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/fb5d62b5100eca094962e0e03bef6b181ff7f910afb36dcdc62095ceef91e08d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6c03f55b-c211-4b74-85b1-6f4c9a466ebc
Behavior Graph:
Download SVG
%3 guuid=bbba258c-1900-0000-bb91-6638500d0000 pid=3408 /usr/bin/sudo guuid=b18acf8d-1900-0000-bb91-6638570d0000 pid=3415 /tmp/sample.bin net guuid=bbba258c-1900-0000-bb91-6638500d0000 pid=3408->guuid=b18acf8d-1900-0000-bb91-6638570d0000 pid=3415 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=b18acf8d-1900-0000-bb91-6638570d0000 pid=3415->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5cacf58d-1900-0000-bb91-6638590d0000 pid=3417 /tmp/sample.bin guuid=b18acf8d-1900-0000-bb91-6638570d0000 pid=3415->guuid=5cacf58d-1900-0000-bb91-6638590d0000 pid=3417 clone guuid=31b5fbb9-1a00-0000-bb91-663838100000 pid=4152 /tmp/sample.bin guuid=b18acf8d-1900-0000-bb91-6638570d0000 pid=3415->guuid=31b5fbb9-1a00-0000-bb91-663838100000 pid=4152 clone guuid=670c03ba-1a00-0000-bb91-663839100000 pid=4153 /tmp/sample.bin net send-data zombie guuid=b18acf8d-1900-0000-bb91-6638570d0000 pid=3415->guuid=670c03ba-1a00-0000-bb91-663839100000 pid=4153 clone guuid=3e07018e-1900-0000-bb91-66385a0d0000 pid=3418 /tmp/sample.bin guuid=5cacf58d-1900-0000-bb91-6638590d0000 pid=3417->guuid=3e07018e-1900-0000-bb91-66385a0d0000 pid=3418 clone guuid=bac7068e-1900-0000-bb91-66385b0d0000 pid=3419 /tmp/sample.bin dns net send-data zombie guuid=5cacf58d-1900-0000-bb91-6638590d0000 pid=3417->guuid=bac7068e-1900-0000-bb91-66385b0d0000 pid=3419 clone guuid=bac7068e-1900-0000-bb91-66385b0d0000 pid=3419->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1148B cc0f92c3-8d28-5604-a453-0dbe18f6116a jbdsg65485.bounceme.net:12121 guuid=bac7068e-1900-0000-bb91-66385b0d0000 pid=3419->cc0f92c3-8d28-5604-a453-0dbe18f6116a send: 168B guuid=670c03ba-1a00-0000-bb91-663839100000 pid=4153->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 615B 510217a1-1b11-5fd9-818c-c738850952cb 41.216.189.88:80 guuid=670c03ba-1a00-0000-bb91-663839100000 pid=4153->510217a1-1b11-5fd9-818c-c738850952cb send: 22B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a0d521b8-7eda-484d-ae49-938c36555132
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1817776
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: 1817776 Sample: S3o.x86.elf Startdate: 20/11/2025 Architecture: LINUX Score: 64 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 jbdsg65485.bounceme.net 41.216.189.47, 12121, 45226, 45230 AS40676US South Africa 2->28 30 3 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Yara detected Mirai 2->36 8 S3o.x86.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.x86.elf 8->16         started        18 S3o.x86.elf 8->18         started        20 S3o.x86.elf 8->20         started        process6 22 S3o.x86.elf 16->22         started        24 S3o.x86.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fb5d62b5100eca094962e0e03bef6b181ff7f910afb36dcdc62095ceef91e08d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fb5d62b5100eca094962e0e03bef6b181ff7f910afb36dcdc62095ceef91e08d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-20 12:20:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7nowfniqb3fasslc4dqdx33ldap7p6iqv6zw3togeck4534r4cgq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251120-phbkmsds9e/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
jbdsg65485.bounceme.net
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/1096f71f-49ce-4974-a077-924513c11b89
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/fb5d62b5100eca094962e0e03bef6b181ff7f910afb36dcdc62095ceef91e08d

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_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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

sh adc3bf973cc9360e63b108df388f6a8e36b700ae842c7e180c232052ac110ee9

Mirai

elf 99293f1197d74dbb6f6bbe1d8aaafe76423694e4490c6e012afccc2e5cc82d42

Mirai

elf fb5d62b5100eca094962e0e03bef6b181ff7f910afb36dcdc62095ceef91e08d

(this sample)

  
Dropped by
SHA256 99293f1197d74dbb6f6bbe1d8aaafe76423694e4490c6e012afccc2e5cc82d42
  
URLhaus
https://urlhaus.abuse.ch/url/3712133/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 85a5e40f00ef01a236108e1c0ff46e86

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