MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4fb9c7262d93538464cb8f92c2ae3fbc16e7dd96d92badcb87cec1aed08be05. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4fb9c7262d93538464cb8f92c2ae3fbc16e7dd96d92badcb87cec1aed08be05
SHA3-384 hash: 6a2a28b3bce7e7c043c3f701efbb1ee065fa46114cd5adbba16ca15d213083a3ad3d81f9c948aa4d9ad9564550506daa
SHA1 hash: e649f12eb370e4cea3e26aecdc6a95e055772f43
MD5 hash: 6f634ad9e84a64f502bfdc0c588027cd
humanhash: blossom-golf-montana-juliet
File name:data.mips-uclibc
Download: download sample
Signature Mirai
Create hunting rule
File size:201'280 bytes
First seen:2026-03-26 03:50:34 UTC
Last seen:2026-03-27 11:51:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:PdR0Z9hykiiHcwTB60i0oga+gJMk7sMjWJ5dE31Gt2UhpA:FR0XgkiKcwdJhogoJMYsMirulZUY
TLSH T111143B13B7324FA0D725D1720BB38B565EEB01811EE298D5936CCB143A207A9689FFF5
telfhash t1df31be184a3813f0a3759c9e1aedff76a56130df5a266d33ce10e9adab6c9824d00c1c
Magika elf
Reporter abuse_ch
Tags:DDOSAgent elf mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-31.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10059787-0
Create hunting rule

YARA.SIGNATURE_BASE_MAL_ELF_Xlogin_Nov24_1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Launching a process
Sends data to a server
DNS request
Creating a file
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash gcc lolbin mirai
Link:
https://www.filescan.io/uploads/69c4ad362346b9da57a76999/reports/d5d08718-3eb8-4446-9f3f-b5f21e435308/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
178
Number of processes launched:
9
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b4fb9c7262d93538464cb8f92c2ae3fbc16e7dd96d92badcb87cec1aed08be05
Behaviour
Anti-VM
Process Renaming
Firewall Changes
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
Link:
https://opentip.kaspersky.com/b4fb9c7262d93538464cb8f92c2ae3fbc16e7dd96d92badcb87cec1aed08be05/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/50533f25-9eab-4da5-848b-b0c244ea4954
Behavior Graph:
Download SVG
%3 guuid=5efb04fd-1600-0000-2b9f-c7eaaa0d0000 pid=3498 /usr/bin/sudo guuid=bf2f5eff-1600-0000-2b9f-c7eab00d0000 pid=3504 /tmp/sample.bin guuid=5efb04fd-1600-0000-2b9f-c7eaaa0d0000 pid=3498->guuid=bf2f5eff-1600-0000-2b9f-c7eab00d0000 pid=3504 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a39025bc-4e13-4f9f-9750-6395f6d2dc79
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4fb9c7262d93538464cb8f92c2ae3fbc16e7dd96d92badcb87cec1aed08be05
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4fb9c7262d93538464cb8f92c2ae3fbc16e7dd96d92badcb87cec1aed08be05/
Threat name:
Linux.Trojan.DDOSAgent
Create hunting rule
Status:
Malicious
First seen:
2026-03-26 03:51:26 UTC
File Type:
ELF32 Big (Exe)
AV detection:
3 of 36 (8.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wt5zy4tc3e2tqrsmxd4sykxd7paw47oznwjlvxfyptwbv3iixycq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
credential_access discovery
Link:
https://tria.ge/reports/260326-eem46aat8s/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads system network configuration
Reads process memory
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:
0.00
Link:
https://yomi.yoroi.company/submissions/b4fb9c7262d93538464cb8f92c2ae3fbc16e7dd96d92badcb87cec1aed08be05

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_Xlogin_Nov24_1
Create hunting rule
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
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

File information

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

Web download

Mirai

elf b4fb9c7262d93538464cb8f92c2ae3fbc16e7dd96d92badcb87cec1aed08be05

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3796014/
  
Delivery method
Distributed via web download

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