MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb836ef3f04a11bd237aa14b2e175144e3b2e16ecd06b3277538ae65b07b6e85. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb836ef3f04a11bd237aa14b2e175144e3b2e16ecd06b3277538ae65b07b6e85
SHA3-384 hash: 7e6cdcc8d5b7fce16cf23f97d0331359919b77be5c8f64b44f697143b92a68ed888f9358cf373655ff23a2be7040102e
SHA1 hash: b804dee56b0036800d588b9b00fb91e23156dadb
MD5 hash: 8ae641a543c68a950c7af6197d255a00
humanhash: princess-november-maine-oranges
File name:top1miku.spc
Download: download sample
Signature Mirai
Create hunting rule
File size:89'272 bytes
First seen:2025-07-13 18:00:43 UTC
Last seen:2025-07-14 09:10:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:DBpIGmLJaQ0eahmUwvrxKxrKMN2+GCW4WAf3F45th0XYm5Xc2UUaSJt+8:NRcJrTMN2+GCW4WA/ebcYOX3k8
TLSH T1CF936C22B8391D27C4E4957B22F34336F2F6478A24AC8B1E7D710E8EBF156503A476B5
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
18
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
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-8025795-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Link:
https://www.filescan.io/uploads/6873f47a425a30d7acd8cdb3/reports/3db60dcd-aa6b-441e-9894-4f90c3f9bed6/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8455c937-1881-444a-8d75-c4793aff82ea
Behavior Graph:
Download SVG
%3 guuid=6305a9d6-1700-0000-16f5-269f700b0000 pid=2928 /usr/bin/sudo guuid=81e776d8-1700-0000-16f5-269f760b0000 pid=2934 /tmp/sample.bin guuid=6305a9d6-1700-0000-16f5-269f700b0000 pid=2928->guuid=81e776d8-1700-0000-16f5-269f760b0000 pid=2934 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/36c30b51-05d5-4fe9-80d8-5a7f1a163782
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1735365
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735365 Sample: top1miku.spc.elf Startdate: 13/07/2025 Architecture: LINUX Score: 60 26 top1miku.duckdns.org 2->26 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 5 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 8 top1miku.spc.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 36 Uses dynamic DNS services 26->36 process4 process5 16 top1miku.spc.elf 8->16         started        18 top1miku.spc.elf 8->18         started        20 top1miku.spc.elf 8->20         started        process6 22 top1miku.spc.elf 16->22         started        24 top1miku.spc.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bb836ef3f04a11bd237aa14b2e175144e3b2e16ecd06b3277538ae65b07b6e85
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb836ef3f04a11bd237aa14b2e175144e3b2e16ecd06b3277538ae65b07b6e85/
Verdict:
Malicious
Threat:
Linux.Worm.Mirai
Link:
https://tip.neiki.dev/file/bb836ef3f04a11bd237aa14b2e175144e3b2e16ecd06b3277538ae65b07b6e85
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-13 18:01:33 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xobw547qjii32i32uffs4f2ritr3fylozudlgj3vhcxglmd3n2cq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250713-wl3lvstscy/
Malware Config
C2 Extraction:
top1miku.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/66133c8c-9e4d-4ca8-9d90-755c076d38ed
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/bb836ef3f04a11bd237aa14b2e175144e3b2e16ecd06b3277538ae65b07b6e85

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: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 bb836ef3f04a11bd237aa14b2e175144e3b2e16ecd06b3277538ae65b07b6e85

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581122/
  
Delivery method
Distributed via web download

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