MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99ae81a903132daa0e24d6a262823dfd2d265576859de4046b823b92368b51ae. 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: 99ae81a903132daa0e24d6a262823dfd2d265576859de4046b823b92368b51ae
SHA3-384 hash: f3a6c1a57a38dc25b2e7b83b26705cee8e48c83c727cdf82aeb742d15c502f8645e8dc26ed2c2d31b4359b8af6902e7f
SHA1 hash: b4b4d358868c9fc2b006bd70fa60c51ceab8bebe
MD5 hash: 17bb2e37c9e154360db759e72a03cbd8
humanhash: mexico-low-spaghetti-alanine
File name:morte.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:45'120 bytes
First seen:2025-07-08 16:58:35 UTC
Last seen:2025-07-10 00:46:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:172EqAgXjOz/bg9KvfqVjaQFfEn1AUv9qa53vwAjlyaTTx7R8pvfEewWl:dCAWjGgsvfqfF9Uv9hSAyYT5R4vfEe
TLSH T16F13E11EEF90BC86CA6C057F05ED1360689DF0C5A3FA8A1A4B065F81D67177B356A03B
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) :45'120 bytes
File size (de-compressed) :126'500 bytes
Format:linux/mipsel
Unpacked file: 5abd4d45ea7ac5e55de55c3c8c1a824d5ec6300654feeeee9c0f01eaa6f5178d

Intelligence

File Origin
# of uploads :
4
# of downloads :
14
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686d4e72c9eb97473767a47dlinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Deletes a file
Sets a written file as executable
Receives data from a server
Launching a process
Removes directories
Deleting a recently created file
Connection attempt
DNS request
Kills processes
Runs as daemon
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
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/99ae81a903132daa0e24d6a262823dfd2d265576859de4046b823b92368b51ae
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d390b1b9-869d-4d98-801b-ebb99c628267
Behavior Graph:
Download SVG
%3 guuid=dcd18b6b-1a00-0000-6578-410af30a0000 pid=2803 /usr/bin/sudo guuid=57a1b66d-1a00-0000-6578-410afa0a0000 pid=2810 /tmp/sample.bin guuid=dcd18b6b-1a00-0000-6578-410af30a0000 pid=2803->guuid=57a1b66d-1a00-0000-6578-410afa0a0000 pid=2810 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fc88054a-2106-445b-8d8a-e93226f72ba2
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1731188
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Sends malformed DNS queries
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1731188 Sample: morte.mpsl.elf Startdate: 08/07/2025 Architecture: LINUX Score: 100 39 izumisv1.cc. [malformed] 2->39 41 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->41 43 daisy.ubuntu.com 2->43 45 Antivirus detection for dropped file 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 53 3 other signatures 2->53 10 morte.mpsl.elf 2->10         started        13 python3.8 dpkg 2->13         started        signatures3 51 Sends malformed DNS queries 39->51 process4 signatures5 61 Found strings related to Crypto-Mining 10->61 15 morte.mpsl.elf 10->15         started        17 morte.mpsl.elf 10->17         started        process6 process7 19 morte.mpsl.elf 15->19         started        file8 35 /etc/init.d/sysd, POSIX 19->35 dropped 55 Sample tries to set files in /etc globally writable 19->55 57 Drops files in suspicious directories 19->57 59 Sample tries to persist itself using System V runlevels 19->59 23 morte.mpsl.elf sh 19->23         started        25 morte.mpsl.elf 19->25         started        signatures9 process10 process11 27 sh cp 23->27         started        31 morte.mpsl.elf 25->31         started        33 morte.mpsl.elf 25->33         started        file12 37 /usr/bin/.sh, ELF 27->37 dropped 63 Drops invisible ELF files 27->63 65 Drops files in suspicious directories 27->65 67 Manipulation of devices in /dev 31->67 69 Deletes system log files 31->69 signatures13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/99ae81a903132daa0e24d6a262823dfd2d265576859de4046b823b92368b51ae
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99ae81a903132daa0e24d6a262823dfd2d265576859de4046b823b92368b51ae/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-07-08 16:59:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tgxidkidcmw2udre22rgfar57uwsmvlwqwo6ibdlqi5zenulkgxa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery persistence upx
Link:
https://tria.ge/reports/250708-vhk2zacp5v/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0457e495-2161-48f4-b106-d17162142565
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/99ae81a903132daa0e24d6a262823dfd2d265576859de4046b823b92368b51ae

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 99ae81a903132daa0e24d6a262823dfd2d265576859de4046b823b92368b51ae

(this sample)

Mirai

elf 5abd4d45ea7ac5e55de55c3c8c1a824d5ec6300654feeeee9c0f01eaa6f5178d

  
URLhaus
https://urlhaus.abuse.ch/url/3570540/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 5abd4d45ea7ac5e55de55c3c8c1a824d5ec6300654feeeee9c0f01eaa6f5178d
  
Dropping
MD5 c65bec80247e6d746833cf8ae0bf0882
  
URLhaus
https://urlhaus.abuse.ch/url/3579405/

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