MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5a78b3c51da8b2e33d0c0d8b0c7015df0b4e39dff5f66e8dfa496274ac05b1c. 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: 8


Intelligence 8 IOCs YARA 13 File information Comments
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SHA256 hash: b5a78b3c51da8b2e33d0c0d8b0c7015df0b4e39dff5f66e8dfa496274ac05b1c
SHA3-384 hash: 2b2b824a233bbdd8ae1fb8e9b1998ba23fadad8f75d1ebc4544d6b47be2a4b250297b48c2eb6f223b034dd0c0d3e08d2
SHA1 hash: 64dea8986d78e04b4bf86d35e4bf0a243c57d22c
MD5 hash: 3c929abe1b61c0a2354e8a8e784c7eb7
humanhash: minnesota-spaghetti-berlin-april
File name:Nexus.spc
Download: download sample
Signature Mirai
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File size:109'016 bytes
First seen:2025-11-18 07:40:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:k1senEtWFQCz01NhYe6a0mOlDhWOS6OG5umlPkN7ehz/7UEtF/0Ym5//Y6qjtbC4:Q0rANUasmP7Zr/0YO34C4
TLSH T1C2B36E21B5391E27C4D1A47E21B74712F1F267DE26A8C61E7DB20E9FFF215402603AB9
Magika elf
Reporter juroots
Tags:elf mirai spc

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
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Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
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SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
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Sanesecurity.Malware.28940.LC.UNOFFICIAL
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Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-6976991-0
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
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Unix.Trojan.Mirai-7135916-0
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Unix.Dropper.Mirai-7135918-0
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Unix.Dropper.Mirai-7135954-0
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Unix.Dropper.Mirai-7136013-0
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Unix.Dropper.Mirai-7136016-0
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Unix.Dropper.Mirai-7136028-0
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Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9441505-0
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Unix.Trojan.Mirai-9858729-0
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Unix.Dropper.Mirai-10007027-0
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Unix.Trojan.Mirai-10009361-0
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Unix.Trojan.Mirai-10011027-0
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Unix.Trojan.Mirai-10011918-0
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Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/691c230c4e43be3f7163fd3c/reports/13a85cc3-f089-4032-89c5-d05e58870b25/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-18T05:37:00Z UTC
Last seen:
2025-11-18T06:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b5a78b3c51da8b2e33d0c0d8b0c7015df0b4e39dff5f66e8dfa496274ac05b1c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c8603b11-8095-4fff-9a94-a833923786b5
Behavior Graph:
Download SVG
%3 guuid=0a03c2c7-1900-0000-fa40-2a37f7070000 pid=2039 /usr/bin/sudo guuid=827ce4ca-1900-0000-fa40-2a37ff070000 pid=2047 /tmp/sample.bin guuid=0a03c2c7-1900-0000-fa40-2a37f7070000 pid=2039->guuid=827ce4ca-1900-0000-fa40-2a37ff070000 pid=2047 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ab4d8966-ab39-475b-8a11-2bd0e57a7483
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5a78b3c51da8b2e33d0c0d8b0c7015df0b4e39dff5f66e8dfa496274ac05b1c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5a78b3c51da8b2e33d0c0d8b0c7015df0b4e39dff5f66e8dfa496274ac05b1c/
Threat name:
Linux.Worm.Mirai
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Status:
Malicious
First seen:
2025-11-18 07:41:08 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=wwtywpcr3kfs4m6qydmlbryblxyljy4575pwn2g7uslcoswalmoa._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:lzrd linux
Link:
https://tria.ge/reports/251118-jhzpkswlbk/
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Trojan.Mirai-6976991-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/25dc95ae-3573-4d98-919f-ff3b5b0c4208
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/b5a78b3c51da8b2e33d0c0d8b0c7015df0b4e39dff5f66e8dfa496274ac05b1c

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:botnet_Yakuza
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Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
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Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
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Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
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Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
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Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
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Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
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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
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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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 b5a78b3c51da8b2e33d0c0d8b0c7015df0b4e39dff5f66e8dfa496274ac05b1c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3711017/
  
Delivery method
Distributed via web download

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