MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4fc54d5789edeac0f82e9f47b6bb95d7869d1a4d5e60d9b482423f030be9d28. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4fc54d5789edeac0f82e9f47b6bb95d7869d1a4d5e60d9b482423f030be9d28
SHA3-384 hash: ad4a453dbc12e1cc708a28e9dc1131c2c67f59852aaaafd712120b44fe8294d464fb4a51b82ebe4519197f024ffc201d
SHA1 hash: d4ff4c481afcef24cb4617ab7913f82f59ea52ab
MD5 hash: 009bc09ed1970452cb8eff318cfada2f
humanhash: high-indigo-september-mars
File name:sora.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:39'928 bytes
First seen:2026-02-12 00:25:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:VEV9JkusvhR/JSKJmohlyqmSlQPzEp/DXuLJgGlzDpjcn:VEVzTsvhBJLly2lOzEZXuBV1cn
TLSH T1B903F15DBCA804D1FC1ECA3993A607865FED9F316407FD1522A1F9C3BE01A4A229BD01
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :39'928 bytes
File size (de-compressed) :109'756 bytes
Format:linux/mips
Unpacked file: 9eb104438d1b188349e7d8afedfad8f13bdb06c545a17e76b5900e55064bd598

Intelligence

File Origin
# of uploads :
1
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/4e86a942-cc00-4799-a868-011232b9cd00/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
4
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
2323,23
Full report:
https://elfdigest.com/brief/b4fc54d5789edeac0f82e9f47b6bb95d7869d1a4d5e60d9b482423f030be9d28
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-02-11T21:35:00Z UTC
Last seen:
2026-02-12T22:20:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/b4fc54d5789edeac0f82e9f47b6bb95d7869d1a4d5e60d9b482423f030be9d28/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b7c950d0-9a4b-4b15-835c-10a37dba015d
Behavior Graph:
Download SVG
%3 guuid=c0065f34-1900-0000-76ab-291f51070000 pid=1873 /usr/bin/sudo guuid=bf0b6336-1900-0000-76ab-291f54070000 pid=1876 /tmp/sample.bin guuid=c0065f34-1900-0000-76ab-291f51070000 pid=1873->guuid=bf0b6336-1900-0000-76ab-291f54070000 pid=1876 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/21d9ecc8-4735-47f8-8de0-caed550d5273
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1868008
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1868008 Sample: sora.mips.elf Startdate: 12/02/2026 Architecture: LINUX Score: 88 28 165.56.131.226 ZAMTELZM Zambia 2->28 30 150.134.21.135 YSU-ASUS United States 2->30 32 98 other IPs or domains 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 40 2 other signatures 2->40 8 sora.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 sora.mips.elf 8->16         started        18 sora.mips.elf 8->18         started        20 sora.mips.elf 8->20         started        process6 22 sora.mips.elf 16->22         started        24 sora.mips.elf 16->24         started        26 sora.mips.elf 16->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4fc54d5789edeac0f82e9f47b6bb95d7869d1a4d5e60d9b482423f030be9d28
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4fc54d5789edeac0f82e9f47b6bb95d7869d1a4d5e60d9b482423f030be9d28/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b4fc54d5789edeac0f82e9f47b6bb95d7869d1a4d5e60d9b482423f030be9d28
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-02-12 00:26:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wt6fjvlyt3pkyd4c5h2hw25zlv4gtune2xta3g2ieqr7amf6tuua._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260212-aramdaes3d/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Modifies Watchdog functionality
Contacts a large (46847) amount of remote hosts
Creates a large amount of network flows
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/b4fc54d5789edeac0f82e9f47b6bb95d7869d1a4d5e60d9b482423f030be9d28

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: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 b4fc54d5789edeac0f82e9f47b6bb95d7869d1a4d5e60d9b482423f030be9d28

(this sample)

Mirai

elf 9eb104438d1b188349e7d8afedfad8f13bdb06c545a17e76b5900e55064bd598

  
URLhaus
https://urlhaus.abuse.ch/url/3774367/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 9eb104438d1b188349e7d8afedfad8f13bdb06c545a17e76b5900e55064bd598
  
Dropping
MD5 a30e229b9a3daba488dd8f3566872811

Comments