MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 728bcf1c55654a017538795c0a0d918539ccd8db6997de32de58c8852a576fce. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 728bcf1c55654a017538795c0a0d918539ccd8db6997de32de58c8852a576fce
SHA3-384 hash: cb3fa4bc17ab5fff8b024a18d6fa941e572a08e5597c78f2541c787e026401e54b32f0419b017723c9174b8ddbccc849
SHA1 hash: 385d492519fa72219448661621f7b195e1597597
MD5 hash: 45eb5fb723ae5ecd0ee1462c693bcfd3
humanhash: fruit-lithium-two-blossom
File name:bot
Download: download sample
Signature Mirai
Create hunting rule
File size:1'318'640 bytes
First seen:2026-01-19 03:13:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:7l8N2BEFNg5Onr9GcaAFXFpcUhnL/+h7nOLQ6dOLY:Z8N2SFNgugc3pcUZCOLQhY
TLSH T19F557C2AB2B2E66CD007C03457DBC6A14521F0756A323D7B37C4DB352EBADE45369B22
telfhash t13e213af14b75d1710da3ec06d4ec434a752fc1274c41ed93ee684b7c14a164d618aadf
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 73328126b2b6615a81fb5f0d223e34aa6062148af7f152ccda13146d42d43ab2
File size (compressed) :544'144 bytes
File size (de-compressed) :1'318'640 bytes
Format:linux/amd64
Packed file: 73328126b2b6615a81fb5f0d223e34aa6062148af7f152ccda13146d42d43ab2

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/696da1903dd9d20950596296/reports/2bd6b900-a90b-4bb1-9a83-8f73cf710c58/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-19T01:55:00Z UTC
Last seen:
2026-01-19T04:30:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/728bcf1c55654a017538795c0a0d918539ccd8db6997de32de58c8852a576fce/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9bffdc8f-6a63-4df6-9713-4c39acd573f3
Behavior Graph:
Download SVG
%3 guuid=a792dff3-1800-0000-28da-b8308d0b0000 pid=2957 /usr/bin/sudo guuid=8656f1f5-1800-0000-28da-b830910b0000 pid=2961 /tmp/sample.bin net send-data guuid=a792dff3-1800-0000-28da-b8308d0b0000 pid=2957->guuid=8656f1f5-1800-0000-28da-b830910b0000 pid=2961 execve a5936dd4-c628-5e5e-8df7-ab4376aee3f4 91.92.240.38:666 guuid=8656f1f5-1800-0000-28da-b830910b0000 pid=2961->a5936dd4-c628-5e5e-8df7-ab4376aee3f4 send: 29B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7edce5b7-52a2-4281-bd94-20c0e501d08d
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1853091
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/728bcf1c55654a017538795c0a0d918539ccd8db6997de32de58c8852a576fce
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/728bcf1c55654a017538795c0a0d918539ccd8db6997de32de58c8852a576fce/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-19 03:14:38 UTC
File Type:
ELF64 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=okf46hcvmvfac5jypfoaudmrqu44zwg3ngl54mw6ldeikksxn7ha._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260119-drh6ases7h/
Behaviour
Reads runtime system information
Changes its process name
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/de7e8592-ac05-40a5-ab08-33a0b2118c8f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/728bcf1c55654a017538795c0a0d918539ccd8db6997de32de58c8852a576fce

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:iot_req_metachar
Create hunting rule
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:malwareelf55503
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
Create hunting rule
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 73328126b2b6615a81fb5f0d223e34aa6062148af7f152ccda13146d42d43ab2

Mirai

elf 728bcf1c55654a017538795c0a0d918539ccd8db6997de32de58c8852a576fce

(this sample)

  
Dropped by
SHA256 73328126b2b6615a81fb5f0d223e34aa6062148af7f152ccda13146d42d43ab2
  
URLhaus
https://urlhaus.abuse.ch/url/3748914/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 185d1a62fe9029911f4c5768d913a8a2
  
URLhaus
https://urlhaus.abuse.ch/url/3756025/
  
URLhaus
https://urlhaus.abuse.ch/url/3755985/

Comments