MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28ba3f9880e1530c986c241f1de4245ed8c59ee8f67c9a6d9e82f8ccc84fb2a2. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28ba3f9880e1530c986c241f1de4245ed8c59ee8f67c9a6d9e82f8ccc84fb2a2
SHA3-384 hash: 6e941fa566c5c9fa2d0fe1a7e5620fa40c4684c864fd56b96e77558e83bab22268e653c046b8703ee6e7339f6d0dda84
SHA1 hash: d140d8adf0dca056c26b28a65a9937ea8a15fcb0
MD5 hash: 68042595150573b6445d4034802ea8ad
humanhash: asparagus-four-black-salami
File name:windy.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:43'328 bytes
First seen:2025-11-23 18:11:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:xKYPJlO0J+8JoLm4eyNfGzr5+4gY3G6Ywno4ZygD7hmUalc3rJgGlzDpbuR1J8:xjlDILm45NfGzr5+sYwo4z8HyxVJuy
TLSH T13C13E1AC2726A6DBE161C83E19BD03D1195116D3EE025D0F60B19AC3799D4FD34937CE
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
File size (compressed) :43'328 bytes
File size (de-compressed) :117'968 bytes
Format:linux/mips
Unpacked file: e922a76fe8b0c8991708a89274bb2a03bffdfb0d9581fd968e879360bb02609b

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Sends data to a server
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
botnet masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/69234e837d011c9c3a489412/reports/489ec971-9b91-468e-a60a-f93368ee2e4b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
37
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/28ba3f9880e1530c986c241f1de4245ed8c59ee8f67c9a6d9e82f8ccc84fb2a2
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-23T14:44:00Z UTC
Last seen:
2025-11-23T15:04:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/28ba3f9880e1530c986c241f1de4245ed8c59ee8f67c9a6d9e82f8ccc84fb2a2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1da99308-9601-46e0-92fb-8fb91e2f56f1
Behavior Graph:
Download SVG
%3 guuid=990e03da-1900-0000-f5dc-2cc1dc090000 pid=2524 /usr/bin/sudo guuid=911b30dc-1900-0000-f5dc-2cc1e5090000 pid=2533 /tmp/sample.bin guuid=990e03da-1900-0000-f5dc-2cc1dc090000 pid=2524->guuid=911b30dc-1900-0000-f5dc-2cc1e5090000 pid=2533 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1819638
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819638 Sample: windy.mips.elf Startdate: 23/11/2025 Architecture: LINUX Score: 52 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 4 other IPs or domains 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Sample is packed with UPX 2->34 8 windy.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 windy.mips.elf 8->16         started        18 windy.mips.elf 8->18         started        20 windy.mips.elf 8->20         started        process6 22 windy.mips.elf 16->22         started        24 windy.mips.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/28ba3f9880e1530c986c241f1de4245ed8c59ee8f67c9a6d9e82f8ccc84fb2a2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28ba3f9880e1530c986c241f1de4245ed8c59ee8f67c9a6d9e82f8ccc84fb2a2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 18:12:21 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fc5d7gea4fjqzgdmeqpr3zbel3mmlhxi6z6ju3m6ql4mzscpwkra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251123-ws9zhsvlep/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
dot.cbzp.fun
Please note that we are no longer able to provide a coverage score for Virus Total.

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

sh 8b780042004c95f24509f5495365713cd9e30cb9ea479e9621cb1fc8c890ebff

Mirai

elf 28ba3f9880e1530c986c241f1de4245ed8c59ee8f67c9a6d9e82f8ccc84fb2a2

(this sample)

Mirai

elf e922a76fe8b0c8991708a89274bb2a03bffdfb0d9581fd968e879360bb02609b

  
URLhaus
https://urlhaus.abuse.ch/url/3715260/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 e922a76fe8b0c8991708a89274bb2a03bffdfb0d9581fd968e879360bb02609b
  
Dropping
MD5 4a2418b531c61ccec6a23afae47e741c
  
Dropped by
SHA256 8b780042004c95f24509f5495365713cd9e30cb9ea479e9621cb1fc8c890ebff
  
Dropped by
MD5 89084199299f5436d76b38b52f42761d
  
URLhaus
https://urlhaus.abuse.ch/url/3714633/

Comments