MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7307c083b9fdfde53c6adbc55654368c051b390755a9c0b766dda122036f574. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7307c083b9fdfde53c6adbc55654368c051b390755a9c0b766dda122036f574
SHA3-384 hash: 75fab8951553f2299f1357be54207f9048f129c4e674e7f0da74a70cd1858e9588914d75d4ac1228a44adf4696c44d8d
SHA1 hash: 5445c768cc084a780e2e303b4a15fa5382074d1e
MD5 hash: 74cbd795259eab6b146a964ee1f18626
humanhash: green-november-artist-fillet
File name:bot.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:55'804 bytes
First seen:2025-04-20 14:58:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0Smq5NK7Tv3SF3qP8K+RLc5zfpEMFY9SHMRY/:tNKfv343qkVCdEksRY/
TLSH T17043022C67DEC845D92E7878892CC6B8AC1D49B4FEFF189D2F138C856D70A0A79580D7
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) :55'804 bytes
File size (de-compressed) :177'860 bytes
Format:linux/mipsel
Unpacked file: e09489836cb301385bed82eedce3db9c416f2ba3e98e53ad258d75a65530c19b

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.26156.7682.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68050bc12203b3e10cd1e5c8linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Receives data from a server
Runs as daemon
Deletes a system binary file
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/68050bc090767142c3dc8154/reports/dd624d81-a8c6-4d91-8c46-34be6e183e0f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b7307c083b9fdfde53c6adbc55654368c051b390755a9c0b766dda122036f574
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ef0d56a1-9d05-4489-82e5-9e69e200e4ba
Result
Threat name:
Gafgyt, Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1669860
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1669860 Sample: bot.mpsl.elf Startdate: 20/04/2025 Architecture: LINUX Score: 100 14 ddwall.duckdns.org 2->14 16 Malicious sample detected (through community Yara rule) 2->16 18 Antivirus / Scanner detection for submitted sample 2->18 20 Multi AV Scanner detection for submitted file 2->20 24 4 other signatures 2->24 8 bot.mpsl.elf 2->8         started        signatures3 22 Uses dynamic DNS services 14->22 process4 process5 10 bot.mpsl.elf 8->10         started        process6 12 bot.mpsl.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b7307c083b9fdfde53c6adbc55654368c051b390755a9c0b766dda122036f574
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7307c083b9fdfde53c6adbc55654368c051b390755a9c0b766dda122036f574/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-04-20 14:59:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w4yhycb3t7p54u6gvw6fkzkdndafdm4qovnjyc3wnxnbeibw6v2a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Link:
https://tria.ge/reports/250420-scrlfsyvey/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Mirai
Mirai family
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/56e40899-1dbe-45b9-bafd-73c573888c0a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b7307c083b9fdfde53c6adbc55654368c051b390755a9c0b766dda122036f574

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: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 b7307c083b9fdfde53c6adbc55654368c051b390755a9c0b766dda122036f574

(this sample)

Mirai

elf e09489836cb301385bed82eedce3db9c416f2ba3e98e53ad258d75a65530c19b

  
Dropping
SHA256 e09489836cb301385bed82eedce3db9c416f2ba3e98e53ad258d75a65530c19b
  
Dropping
MD5 f39003562bc98c5a15c4a36f383aa34e
  
URLhaus
https://urlhaus.abuse.ch/url/3519780/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3519817/

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