MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5635baa45b327d03ed32cca2f3250e6f23734c14b25169046712997119301ce. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5635baa45b327d03ed32cca2f3250e6f23734c14b25169046712997119301ce
SHA3-384 hash: 56e3cab72b3fd4d00fb72cf4f812977ede42501e363342523dab0c91529226f25b9f89956a00faba701a01eca540c32e
SHA1 hash: 5986cf2426a4d0bd2213217276727fde600312a1
MD5 hash: 0855f29cf51eeb69a99765fe125abdc4
humanhash: chicken-nuts-table-shade
File name:sora.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:28'876 bytes
First seen:2025-08-16 13:15:35 UTC
Last seen:2025-08-17 00:24:53 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:U4ylAtv6pqLJM0RXaxGyUbXtheU/Sg+iJgGlzDpbuR1J3:HMBqTRXa+Zhr/nVJul
TLSH T1DED2D1787B1149D6CB6BE1B84DE50B232D708FA2E0525C07A598D9D3BB0A85D3CB6DC1
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) :28'876 bytes
File size (de-compressed) :85'068 bytes
Format:linux/mips
Unpacked file: c643523a6abc60ef59c9654d6fbb98551905f868910c90960789e62a8001a3ed

Intelligence

File Origin
# of uploads :
2
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9955985-0
Create hunting rule

Unix.Trojan.Mirai-9956052-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5bcdebd1-6b20-4f85-a3e2-28f477c002a8
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1758346
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758346 Sample: sora.mips.elf Startdate: 16/08/2025 Architecture: LINUX Score: 72 24 197.213.1.185, 23 ZAIN-ZAMBIAZM Zambia 2->24 26 67.92.26.109 XO-AS15US United States 2->26 28 98 other IPs or domains 2->28 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 38 Sample is packed with UPX 2->38 8 sora.mips.elf 2->8         started        signatures3 process4 process5 10 sora.mips.elf 8->10         started        12 sora.mips.elf 8->12         started        15 sora.mips.elf 8->15         started        signatures6 17 sora.mips.elf 10->17         started        20 sora.mips.elf 10->20         started        22 sora.mips.elf 10->22         started        40 Sample tries to kill multiple processes (SIGKILL) 12->40 process7 signatures8 30 Sample tries to kill multiple processes (SIGKILL) 17->30
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5635baa45b327d03ed32cca2f3250e6f23734c14b25169046712997119301ce
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5635baa45b327d03ed32cca2f3250e6f23734c14b25169046712997119301ce/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/b5635baa45b327d03ed32cca2f3250e6f23734c14b25169046712997119301ce
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-08-16 13:16:41 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvrvxksfwmt5apwtftfc6msq43zdongbjmsrnecgoeuzoemtahha._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/250816-qhykvaxps6/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Contacts a large (169400) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9955985-0
YARA:
n/a
Link:
https://app.threat.zone/submission/b1ddcdac-f343-47b0-8ee6-91916fbe62d9
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/b5635baa45b327d03ed32cca2f3250e6f23734c14b25169046712997119301ce

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 b5635baa45b327d03ed32cca2f3250e6f23734c14b25169046712997119301ce

(this sample)

Mirai

elf c643523a6abc60ef59c9654d6fbb98551905f868910c90960789e62a8001a3ed

  
URLhaus
https://urlhaus.abuse.ch/url/3604600/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c643523a6abc60ef59c9654d6fbb98551905f868910c90960789e62a8001a3ed
  
Dropping
MD5 d0bed26d2ff7a6d78c23bc44a1fb9f54

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments