MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff8a21020999607086e8ecd73c7d51bbabb747c771ad66638cb0dd2d39a44dad. 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: ff8a21020999607086e8ecd73c7d51bbabb747c771ad66638cb0dd2d39a44dad
SHA3-384 hash: bd02e9aa03b481ee3d78f9c5cde659b30aceffe7d0dfc4f5340b7bd3c49ec1cd9510c806dd56c435125f11f922d05693
SHA1 hash: 6a2ccec40a512af8c4dd591e7f5a4f4e0a10f982
MD5 hash: 1c99498635b05591ddd1662b87a2c850
humanhash: summer-zebra-finch-pluto
File name:nz.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:50'500 bytes
First seen:2026-08-04 00:59:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:r7sCnriT0fdj6MgCF61d4ZzxsRmIp8GHCR0M2ZstNkzbz2GRw66qbzebDJgGlzDC:LGT0Vj6MgC434YiD0sozfH0X1VJuT
TLSH T1AF33F14D7A1782B9CB5694B613C04F105E661FE3F987CFA1B230F683AA719D17853AC0
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) :50'500 bytes
File size (de-compressed) :153'372 bytes
Format:linux/mips
Unpacked file: ba0d5a82c94fe31361405e880ddb7c63da2d61a12b53cd5f68ae216bb8fdd8d4

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/aa82bd30-39c8-4886-a672-2cdb7c1042e6/
Detection(s):
SecuriteInfo.com.Linux.Mirai.9816.31699.25712.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Opens a port
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6a7139bbe68b14a6000547f1/reports/2cb35993-266d-4b76-91a5-270ea5b206b3/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-03T23:13:00Z UTC
Last seen:
2026-08-05T20:10:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ff8a21020999607086e8ecd73c7d51bbabb747c771ad66638cb0dd2d39a44dad/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9566b7cd-a285-4c08-8099-dc4959d0cb1b
Behavior Graph:
Download SVG
%3 guuid=522213ed-1900-0000-0f41-795ba0070000 pid=1952 /usr/bin/sudo guuid=3502eeee-1900-0000-0f41-795ba6070000 pid=1958 /tmp/sample.bin guuid=522213ed-1900-0000-0f41-795ba0070000 pid=1952->guuid=3502eeee-1900-0000-0f41-795ba6070000 pid=1958 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ae972632-4704-4bc3-bc28-97e68a9521d3
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ff8a21020999607086e8ecd73c7d51bbabb747c771ad66638cb0dd2d39a44dad
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff8a21020999607086e8ecd73c7d51bbabb747c771ad66638cb0dd2d39a44dad/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-04 01:00:50 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=76fccaqjtfqhbbxi5tlty7krxov3or6hogwwmy4mwdos2onejwwq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260804-bc2yras1hv/
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/ff8a21020999607086e8ecd73c7d51bbabb747c771ad66638cb0dd2d39a44dad

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: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: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

elf ff8a21020999607086e8ecd73c7d51bbabb747c771ad66638cb0dd2d39a44dad

(this sample)

Mirai

elf ba0d5a82c94fe31361405e880ddb7c63da2d61a12b53cd5f68ae216bb8fdd8d4

  
Dropping
SHA256 ba0d5a82c94fe31361405e880ddb7c63da2d61a12b53cd5f68ae216bb8fdd8d4
  
Dropping
MD5 3cde6218879150cbcdec6145b96178dc
  
URLhaus
https://urlhaus.abuse.ch/url/3892501/
  
Delivery method
Distributed via web download

Comments