MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfc0b57d2285aad55a3cf357f65434817468f136a38bd2b0b33fe6f832368ce6. 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: 9


Intelligence 9 IOCs YARA 22 File information Comments
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SHA256 hash: bfc0b57d2285aad55a3cf357f65434817468f136a38bd2b0b33fe6f832368ce6
SHA3-384 hash: dd1e5b9aa76898457ba2c784ef776fae782b08ac1cbd2ba3eb4a1697dba869fb57e34cbc877ba2dc89e1444d8112bc8d
SHA1 hash: 8ee4052313bb4c4da41e73a75f6a693c57ac9d1d
MD5 hash: 526be0714cb344e148962bf987780f3a
humanhash: kansas-stream-monkey-yankee
File name:nz.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:131'744 bytes
First seen:2026-07-31 18:39:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:nZVwwBfPGq+H4EgQpMbvtKrwg7An6ry1si1qRPr9yfQVfqaXLDY:nZVNtPGq+H41QpMu7qssu98QTXLDY
TLSH T114D32906B9D18CFCC045C234576F7536DA22F0DD0238B2AB27D4FE167A8EEA11A1DB95
telfhash t1013146301de63aac60c7d35a734ed555f9b200160e5174fa8f377dca5e52b8c4e924a2
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 793686d6c3bf30ea1fa675e40434dbe81e03cb16c596e2ca0bd2066e8f49fd24
File size (compressed) :53'508 bytes
File size (de-compressed) :131'744 bytes
Format:linux/amd64
Packed file: 793686d6c3bf30ea1fa675e40434dbe81e03cb16c596e2ca0bd2066e8f49fd24

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/bd5a3d31-3c7a-4126-85bf-4678c63eb646/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.28940.LC.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-7136016-0
Create hunting rule

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

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

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

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

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6a6cec25f8f01e7dda72c1da/reports/7ffca470-b7ac-46af-82b7-aa263d25715a/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-07-31T16:57:00Z UTC
Last seen:
2026-08-01T22:24:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bfc0b57d2285aad55a3cf357f65434817468f136a38bd2b0b33fe6f832368ce6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/aca3f558-1d32-4fbf-b518-09614e5fb4ed
Behavior Graph:
Download SVG
%3 guuid=00280e4e-1c00-0000-cf5e-c18fbe090000 pid=2494 /usr/bin/sudo guuid=f9eeff50-1c00-0000-cf5e-c18fc4090000 pid=2500 /tmp/sample.bin net guuid=00280e4e-1c00-0000-cf5e-c18fbe090000 pid=2494->guuid=f9eeff50-1c00-0000-cf5e-c18fc4090000 pid=2500 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f9eeff50-1c00-0000-cf5e-c18fc4090000 pid=2500->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=24212a51-1c00-0000-cf5e-c18fc5090000 pid=2501 /tmp/sample.bin zombie guuid=f9eeff50-1c00-0000-cf5e-c18fc4090000 pid=2500->guuid=24212a51-1c00-0000-cf5e-c18fc5090000 pid=2501 clone guuid=7fff3751-1c00-0000-cf5e-c18fc6090000 pid=2502 /tmp/sample.bin zombie guuid=24212a51-1c00-0000-cf5e-c18fc5090000 pid=2501->guuid=7fff3751-1c00-0000-cf5e-c18fc6090000 pid=2502 clone
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1950781
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1950781 Sample: nz.x86_64.elf Startdate: 31/07/2026 Architecture: LINUX Score: 80 13 Malicious sample detected (through community Yara rule) 2->13 15 Antivirus / Scanner detection for submitted sample 2->15 17 Multi AV Scanner detection for submitted file 2->17 19 Yara detected Mirai 2->19 7 nz.x86_64.elf 2->7         started        process3 process4 9 nz.x86_64.elf 7->9         started        process5 11 nz.x86_64.elf 9->11         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bfc0b57d2285aad55a3cf357f65434817468f136a38bd2b0b33fe6f832368ce6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfc0b57d2285aad55a3cf357f65434817468f136a38bd2b0b33fe6f832368ce6/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-31 18:40:51 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x7alk7jcqwvnkwr46nl7mvbuqf2gr4jwuof5fmfth7tpqmrwrtta._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery linux
Link:
https://tria.ge/reports/260731-xbhz5szygs/
Behaviour
Reads runtime system information
Changes its process name
Malware Config
C2 Extraction:
s3o65awrf56.net
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/bfc0b57d2285aad55a3cf357f65434817468f136a38bd2b0b33fe6f832368ce6

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
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 793686d6c3bf30ea1fa675e40434dbe81e03cb16c596e2ca0bd2066e8f49fd24

Mirai

elf bfc0b57d2285aad55a3cf357f65434817468f136a38bd2b0b33fe6f832368ce6

(this sample)

  
Dropped by
SHA256 793686d6c3bf30ea1fa675e40434dbe81e03cb16c596e2ca0bd2066e8f49fd24
  
URLhaus
https://urlhaus.abuse.ch/url/3892520/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 5b50634a22f22a5066c2ca5010e1bd61

Comments