MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c28b5a78ee6da585b5003aa0d97e2e9a79cf42bf044f4ff15643911717a0297a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c28b5a78ee6da585b5003aa0d97e2e9a79cf42bf044f4ff15643911717a0297a
SHA3-384 hash: 94bc0c915f52965f7b395d2f04e922c07f631e501c6047eecc6740e138300681a5f8bbf93f3c488d1f2296df9d9321dd
SHA1 hash: fac428b29b5aecec85e3b254f2f7266b3fe06cb3
MD5 hash: 85a77bad9c7d6d8fb1dfaa38687b9781
humanhash: six-eighteen-sad-lemon
File name:xnxnxnxnxnxnxnxnx86_64xnxn
Download: download sample
Signature Mirai
Create hunting rule
File size:136'064 bytes
First seen:2026-05-09 12:57:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:lAF2acRfkY6z3xv+ErH4vk9954rlvLFZW8YYQZ:yIRfe3xvvSrlvZZ7UZ
TLSH T176D35C0A78D270FCC687D170926E9F61EA3A745C02183DBBA3C2AE711937DD05E15F62
telfhash t1c331eeb14e9a366812c7a712f319bf69f073150205f1f4e99d376de8ce123824fa30a2
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e5be5078e60338325fdfbffe6a209c6c1bcc55004c310f39c8ab90c867e68786
File size (compressed) :63'928 bytes
File size (de-compressed) :136'064 bytes
Format:linux/amd64
Packed file: e5be5078e60338325fdfbffe6a209c6c1bcc55004c310f39c8ab90c867e68786

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-32.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10058917-0
Create hunting rule

Unix.Trojan.Gafgyt-10059182-0
Create hunting rule

Unix.Malware.Mirai-10059790-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Runs as daemon
Receives data from a server
Kills processes
Creating a file in the %temp% directory
DNS request
Locks files
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm gafgyt mirai
Link:
https://www.filescan.io/uploads/69ff2f6886e92bda7025de51/reports/f6878888-014c-4fe8-8fa1-b8bb3cc502bf/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c28b5a78ee6da585b5003aa0d97e2e9a79cf42bf044f4ff15643911717a0297a
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-05-09T11:24:00Z UTC
Last seen:
2026-05-09T11:45:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c28b5a78ee6da585b5003aa0d97e2e9a79cf42bf044f4ff15643911717a0297a/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/39027a32-53bf-494a-af1d-8d1d4a2a0fd4
Score:
99%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c28b5a78ee6da585b5003aa0d97e2e9a79cf42bf044f4ff15643911717a0297a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c28b5a78ee6da585b5003aa0d97e2e9a79cf42bf044f4ff15643911717a0297a/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-05-09 12:58:26 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=ykfvu6honwsylniahkqns7rotj446qv7arhu74kwioirof5aff5a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery linux
Link:
https://tria.ge/reports/260509-p7lrxagy3t/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Checks hardware identifiers (DMI)
Enumerates active TCP sockets
Enumerates running processes
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/c28b5a78ee6da585b5003aa0d97e2e9a79cf42bf044f4ff15643911717a0297a

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: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
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf e5be5078e60338325fdfbffe6a209c6c1bcc55004c310f39c8ab90c867e68786

Mirai

elf c28b5a78ee6da585b5003aa0d97e2e9a79cf42bf044f4ff15643911717a0297a

(this sample)

  
Dropped by
SHA256 e5be5078e60338325fdfbffe6a209c6c1bcc55004c310f39c8ab90c867e68786
  
URLhaus
https://urlhaus.abuse.ch/url/3839754/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 169dc07586bb8c7a3ac7ac8bb15c963e

Comments