MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 558bb519fc512ce447c4358ddfd548c0f9f83107b68e1d12f2a071b618d5af81. 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: 10


Intelligence 10 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 558bb519fc512ce447c4358ddfd548c0f9f83107b68e1d12f2a071b618d5af81
SHA3-384 hash: 5e6c5d1983beaf11b911f427e256a23322a6b68acd71c548bfd7d928c97a9c068c2c023df0d0001540e3ecb188f235ee
SHA1 hash: ab2cea3c60c39b9af98636791bf5dfb2ecfc675b
MD5 hash: 5adfd0c035c04769e6058bc28f3fee44
humanhash: blossom-river-ack-lamp
File name:sora.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:74'836 bytes
First seen:2025-10-29 15:42:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Wt6dVFeGBV8Km2XpQmj7qWSICRzBbkivom3aJeUdLNn:WtSjByKm2Xp3jnrCRzBbVvHUdLN
TLSH T1C5733984F987C6F2C4474830416BFB3FCB32D9A511A1DB4DDF5A9F35DA33602AA22649
telfhash t17321ecfb1dbe08fda7c8a800c35e6fe22826c37b156036b00563c9343267e9150a8c3e
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 d78d2b88d33262a71b9b21cba18361525795dbc945f4126ffa4602c8f0f79db5
File size (compressed) :35'948 bytes
File size (de-compressed) :74'836 bytes
Format:linux/i386
Packed file: d78d2b88d33262a71b9b21cba18361525795dbc945f4126ffa4602c8f0f79db5

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-62.UNOFFICIAL
Create hunting rule

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

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-7136013-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136057-0
Create hunting rule

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

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

Unix.Trojan.Mirai-9858729-0
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
Runs as daemon
Connection attempt
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Link:
https://www.filescan.io/uploads/69025b52de25fddba05c158f/reports/e4379593-9f34-494f-a717-ecd65e3ff8e2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-29T16:30:00Z UTC
Last seen:
2025-10-31T05:12:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/558bb519fc512ce447c4358ddfd548c0f9f83107b68e1d12f2a071b618d5af81/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0dcb21bc-890b-452e-be15-fc072ea73aff
Behavior Graph:
Download SVG
%3 guuid=eeb0c29c-2100-0000-3b56-2175d40a0000 pid=2772 /usr/bin/sudo guuid=e842db9e-2100-0000-3b56-2175d50a0000 pid=2773 /tmp/sample.bin net guuid=eeb0c29c-2100-0000-3b56-2175d40a0000 pid=2772->guuid=e842db9e-2100-0000-3b56-2175d50a0000 pid=2773 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e842db9e-2100-0000-3b56-2175d50a0000 pid=2773->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a72b25b4-2100-0000-3b56-2175d60a0000 pid=2774 /tmp/sample.bin guuid=e842db9e-2100-0000-3b56-2175d50a0000 pid=2773->guuid=a72b25b4-2100-0000-3b56-2175d60a0000 pid=2774 clone guuid=7268d8df-2200-0000-3b56-2175de0c0000 pid=3294 /tmp/sample.bin guuid=e842db9e-2100-0000-3b56-2175d50a0000 pid=2773->guuid=7268d8df-2200-0000-3b56-2175de0c0000 pid=3294 clone guuid=79bddedf-2200-0000-3b56-2175df0c0000 pid=3295 /tmp/sample.bin net send-data zombie guuid=e842db9e-2100-0000-3b56-2175d50a0000 pid=2773->guuid=79bddedf-2200-0000-3b56-2175df0c0000 pid=3295 clone guuid=eee24ab4-2100-0000-3b56-2175d70a0000 pid=2775 /tmp/sample.bin guuid=a72b25b4-2100-0000-3b56-2175d60a0000 pid=2774->guuid=eee24ab4-2100-0000-3b56-2175d70a0000 pid=2775 clone guuid=6d3955b4-2100-0000-3b56-2175d80a0000 pid=2776 /tmp/sample.bin net send-data zombie guuid=a72b25b4-2100-0000-3b56-2175d60a0000 pid=2774->guuid=6d3955b4-2100-0000-3b56-2175d80a0000 pid=2776 clone 39a8ebe7-7ccc-543c-90cc-4b9439109658 185.132.53.207:3778 guuid=6d3955b4-2100-0000-3b56-2175d80a0000 pid=2776->39a8ebe7-7ccc-543c-90cc-4b9439109658 send: 2B guuid=79bddedf-2200-0000-3b56-2175df0c0000 pid=3295->39a8ebe7-7ccc-543c-90cc-4b9439109658 send: 2B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1156c5bf-95f8-4897-a0e1-d65d7a90b8a8
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1804099
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: 1804099 Sample: sora.i686.elf Startdate: 29/10/2025 Architecture: LINUX Score: 64 20 185.132.53.207, 3778 MYLOC-ASIPBackboneofmyLocmanagedITAGDE Germany 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Yara detected Mirai 2->26 8 sora.i686.elf 2->8         started        signatures3 process4 process5 10 sora.i686.elf 8->10         started        12 sora.i686.elf 8->12         started        14 sora.i686.elf 8->14         started        process6 16 sora.i686.elf 10->16         started        18 sora.i686.elf 10->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/558bb519fc512ce447c4358ddfd548c0f9f83107b68e1d12f2a071b618d5af81
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/558bb519fc512ce447c4358ddfd548c0f9f83107b68e1d12f2a071b618d5af81/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-29 18:46:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kwf3kgp4kewoir6egwg57vkiyd47qmihw2hb2exsuby3mggvv6aq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Link:
https://tria.ge/reports/251029-wxflgaax9c/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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: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_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 d78d2b88d33262a71b9b21cba18361525795dbc945f4126ffa4602c8f0f79db5

Mirai

elf 558bb519fc512ce447c4358ddfd548c0f9f83107b68e1d12f2a071b618d5af81

(this sample)

  
Dropped by
SHA256 d78d2b88d33262a71b9b21cba18361525795dbc945f4126ffa4602c8f0f79db5
  
URLhaus
https://urlhaus.abuse.ch/url/3613744/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3613750/
  
URLhaus
https://urlhaus.abuse.ch/url/3613771/
  
URLhaus
https://urlhaus.abuse.ch/url/3613781/

Comments