MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb21763bb89afbdc23dc0f00e0a0ac2b2aed3e292263c195b588a1d0acdbf265. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb21763bb89afbdc23dc0f00e0a0ac2b2aed3e292263c195b588a1d0acdbf265
SHA3-384 hash: 74d3662e95d9405082510ce27081a077375b513036b22d165ac072f54d29c8903b65a05b66cb933c7bfdcfe32e92c8f9
SHA1 hash: feb8becc79e172bad43bb27788590ae306249168
MD5 hash: 68cfed234a6536ef768dd42cec3e10db
humanhash: ohio-earth-sierra-paris
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:64'420 bytes
First seen:2026-01-25 00:43:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0AuFmSBHblkj5goFEHT4ulPzsGMf44/PAysSE0VS1:XuIqbQ5goKHTNrdQ4KU/0Va
TLSH T1DF53021A5D5817FFCB7564F0068433609EFA0BF97A16DD418762C696FF122E89AC32C0
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :64'420 bytes
File size (de-compressed) :231'816 bytes
Format:linux/mips
Unpacked file: 9893a96ddc6807bcc1a80b9c9e423caa7caae5091aefa645684f11cba05a1a6f

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/dadb871b-faa3-422d-b462-c14164e6b324/
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/697567665db9ae477090d4f5/reports/f3a623d6-e8e2-4fc4-8e30-247d0ae5efcd/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cb21763bb89afbdc23dc0f00e0a0ac2b2aed3e292263c195b588a1d0acdbf265
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-05T22:53:00Z UTC
Last seen:
2026-01-06T04:30:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/cb21763bb89afbdc23dc0f00e0a0ac2b2aed3e292263c195b588a1d0acdbf265/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/49bbf57a-394b-409e-8beb-7b449226f4a4
Behavior Graph:
Download SVG
%3 guuid=81250389-1600-0000-9442-733e5d0c0000 pid=3165 /usr/bin/sudo guuid=efb0258c-1600-0000-9442-733e5e0c0000 pid=3166 /tmp/sample.bin guuid=81250389-1600-0000-9442-733e5d0c0000 pid=3165->guuid=efb0258c-1600-0000-9442-733e5e0c0000 pid=3166 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f425395d-350e-450a-bc1d-bcf84240fa1c
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1857049
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: 1857049 Sample: mips.elf Startdate: 25/01/2026 Architecture: LINUX Score: 52 14 54.217.10.153, 443, 49566 AMAZON-02US United States 2->14 16 Multi AV Scanner detection for submitted file 2->16 18 Sample is packed with UPX 2->18 6 dash rm mips.elf 2->6         started        8 dash rm 2->8         started        10 dash cut 2->10         started        12 7 other processes 2->12 signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cb21763bb89afbdc23dc0f00e0a0ac2b2aed3e292263c195b588a1d0acdbf265
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb21763bb89afbdc23dc0f00e0a0ac2b2aed3e292263c195b588a1d0acdbf265/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/cb21763bb89afbdc23dc0f00e0a0ac2b2aed3e292263c195b588a1d0acdbf265
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-01-06 03:40:23 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zmqxmo5ytl55yi64b4aobifmfmvo2prjejr4dfnvrcq5blg36jsq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Link:
https://tria.ge/reports/260125-a3m2vabx4b/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Mirai
Mirai family
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/cb21763bb89afbdc23dc0f00e0a0ac2b2aed3e292263c195b588a1d0acdbf265

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

elf cb21763bb89afbdc23dc0f00e0a0ac2b2aed3e292263c195b588a1d0acdbf265

(this sample)

Mirai

elf 9893a96ddc6807bcc1a80b9c9e423caa7caae5091aefa645684f11cba05a1a6f

  
URLhaus
https://urlhaus.abuse.ch/url/3763386/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 9893a96ddc6807bcc1a80b9c9e423caa7caae5091aefa645684f11cba05a1a6f
  
Dropping
MD5 ba0b0a70c90b12cae252cd2a174ee545

Comments