MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 635a32797a0b014a8b82672109cf682b7106e159e26b8ed48e0d7b136841bfde. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 635a32797a0b014a8b82672109cf682b7106e159e26b8ed48e0d7b136841bfde
SHA3-384 hash: b3ac9a7aa4fd860cee0ccd39e120dca742445d6b3f33337c1775feceda99f48c7bf8b0519bd6b6016ecaf2cf268c7b59
SHA1 hash: 5d907e3dc93bb79477f42f20882a0e804d9c43e9
MD5 hash: edd74bc8b32d2c5733b0d348ca6bda7c
humanhash: fix-skylark-burger-oklahoma
File name:Yboats.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:112'016 bytes
First seen:2025-12-03 16:47:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:nxIEdTATS+yJo3fJFSaipi59WVxCtMKwRm0ow:naAE2+y63fHSdpsCB
TLSH T1C5B36CC5AAD3D5F3DC0146B5309BEF328A72E47E012BCBC6D3E89D3BA959521801729D
telfhash t1063168beaa320cecbbd04802e3cebb50cd2e667b346436bd19b6140431b3041527dd39
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 551d4e941a5e0687c830d3d62b342f58081d9da51bbb1e0bdaac84b22afa9349
File size (compressed) :43'444 bytes
File size (de-compressed) :112'016 bytes
Format:linux/i386
Packed file: 551d4e941a5e0687c830d3d62b342f58081d9da51bbb1e0bdaac84b22afa9349

Intelligence

File Origin
# of uploads :
1
# of downloads :
25
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/3841480f-efcb-49c9-b695-b572c1d682df/
Detection(s):
Sanesecurity.Malware.29502.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30442.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Dropper.Mirai-7135980-0
Create hunting rule

Unix.Dropper.Mirai-7171384-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/693069cfba3b5ab4a9318c87/reports/d4c38589-bfef-48fe-984e-08ac152037f7/overview
Result
Gathering data
Gathering data
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1825617
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1825617 Sample: Yboats.x86.elf Startdate: 03/12/2025 Architecture: LINUX Score: 100 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 2 other signatures 2->30 7 Yboats.x86.elf 2->7         started        10 dash rm 2->10         started        12 dash rm 2->12         started        process3 signatures4 32 Sample deletes itself 7->32 14 Yboats.x86.elf 7->14         started        process5 process6 16 Yboats.x86.elf 14->16         started        18 Yboats.x86.elf 14->18         started        20 Yboats.x86.elf 14->20         started        22 24 other processes 14->22
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/635a32797a0b014a8b82672109cf682b7106e159e26b8ed48e0d7b136841bfde
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/635a32797a0b014a8b82672109cf682b7106e159e26b8ed48e0d7b136841bfde/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/635a32797a0b014a8b82672109cf682b7106e159e26b8ed48e0d7b136841bfde
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 16:48:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mnnde6l2bmauvc4cm4qqtt3ifnyqnykz4jvy5veobv5rg2cbx7pa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery linux
Link:
https://tria.ge/reports/251203-va7wrs1mgy/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Contacts a large (1278294) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
Verdict:
Malicious
Tags:
trojan mirai botnet Unix.Dropper.Mirai-7135870-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_aa39fb02 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/1f6aad45-c43c-4977-b051-275cbe06ce40
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
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_aa39fb02
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:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
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 551d4e941a5e0687c830d3d62b342f58081d9da51bbb1e0bdaac84b22afa9349

Mirai

elf 635a32797a0b014a8b82672109cf682b7106e159e26b8ed48e0d7b136841bfde

(this sample)

  
Dropped by
SHA256 551d4e941a5e0687c830d3d62b342f58081d9da51bbb1e0bdaac84b22afa9349
  
URLhaus
https://urlhaus.abuse.ch/url/3723980/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 bd73a31552a199b1ed4ef0ec3f228487

Comments