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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f5812dcd054c3e40078679d365320d4c310bf5dc40bdeb21104309c5d9a8a1a. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f5812dcd054c3e40078679d365320d4c310bf5dc40bdeb21104309c5d9a8a1a
SHA3-384 hash: 0f92a1b4d3b603a2855f80b131815822aa54c366759ce6f69ed8a03aed94806445d043a6e324532cc1eb4778614c88da
SHA1 hash: cba7fc1eb30d174605071b8ace4add5910f199d3
MD5 hash: 8b9a923e86fffc9118464f01b7b98804
humanhash: artist-beer-montana-video
File name:S3o.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:144'696 bytes
First seen:2025-11-21 11:44:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:9kF+6uk9hckUGXZy9q/uleW0AJsPQDAFwLH6EDq0Rp6+P+po5C5Dt18lwLN/kGfR:SF+6uk9hckUGXZy9q/uleW0AJsPQDJHI
TLSH T19EE3E71E7E215F3DFBA9C23447B78E26965933C637E1C585D1ACEA001E6024E641FFA8
telfhash t1f6115e1c493822f097725c9d5aeeff72e5a030df4a365d378e10e9a9ab6dd429d00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c0168286fcd39abea1d7053817e97a567945677d0197d2cf3e26a821fcf84611
File size (compressed) :48'512 bytes
File size (de-compressed) :144'696 bytes
Format:linux/mips
Packed file: c0168286fcd39abea1d7053817e97a567945677d0197d2cf3e26a821fcf84611

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/369d35d6-0532-4e74-b8df-29b711dbfb82/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

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

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-10007027-0
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.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-10009361-0
Create hunting rule

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

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

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

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Changes access rights for a written file
Sends data to a server
DNS request
Changes access rights for a file
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/692050e0eecb08e4aa435ae1/reports/19f3d492-5582-4a66-8f27-ad3615763020/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-21T09:59:00Z UTC
Last seen:
2025-11-21T10:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3f5812dcd054c3e40078679d365320d4c310bf5dc40bdeb21104309c5d9a8a1a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e0b9f636-8577-4ffd-ac65-69217c051410
Behavior Graph:
Download SVG
%3 guuid=c1c8b0fe-1a00-0000-0cf6-b708c10a0000 pid=2753 /usr/bin/sudo guuid=b46a0a01-1b00-0000-0cf6-b708c50a0000 pid=2757 /tmp/sample.bin guuid=c1c8b0fe-1a00-0000-0cf6-b708c10a0000 pid=2753->guuid=b46a0a01-1b00-0000-0cf6-b708c50a0000 pid=2757 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/20619acf-c3b3-4e33-8ab8-622bd9a83cfe
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1818478
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: 1818478 Sample: S3o.mips.elf Startdate: 21/11/2025 Architecture: LINUX Score: 64 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 vcute69.bounceme.net 41.216.189.88, 12121, 40558, 40560 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.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 S3o.mips.elf 8->12         started        14 S3o.mips.elf 8->14         started        16 S3o.mips.elf 8->16         started        process6 18 S3o.mips.elf 12->18         started        20 S3o.mips.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3f5812dcd054c3e40078679d365320d4c310bf5dc40bdeb21104309c5d9a8a1a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f5812dcd054c3e40078679d365320d4c310bf5dc40bdeb21104309c5d9a8a1a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-21 11:45:39 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h5mbfxgqktb6iadym6otmuza2tbrbp25yqf55mqraqyjyxm2rina._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251121-nw1w1svqfy/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
vcute69.bounceme.net
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/747e206a-6b32-403c-99ce-81e248705731
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/3f5812dcd054c3e40078679d365320d4c310bf5dc40bdeb21104309c5d9a8a1a

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:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 c0168286fcd39abea1d7053817e97a567945677d0197d2cf3e26a821fcf84611

Mirai

elf 3f5812dcd054c3e40078679d365320d4c310bf5dc40bdeb21104309c5d9a8a1a

(this sample)

  
Dropped by
SHA256 c0168286fcd39abea1d7053817e97a567945677d0197d2cf3e26a821fcf84611
  
URLhaus
https://urlhaus.abuse.ch/url/3713357/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 a28e30787ff94e82ea09d2eb8638f3e3

Comments