MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3bc9538795758a2800ee5217cc147b4d9e0795b7244eddc1f48bf63146788cd. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash: f3bc9538795758a2800ee5217cc147b4d9e0795b7244eddc1f48bf63146788cd
SHA3-384 hash: 993a515b6594a09bb1634dcdffab300f7e02297bcb4338eef60f116b785240710df097ce75aebaf316aea89092933e10
SHA1 hash: 57aa5aeba6ebb380aa466ac045d78023c0e691cb
MD5 hash: 5f19295c1687f3d37579f3a720d50bd6
humanhash: early-alpha-burger-rugby
File name:morte.mpsl
Download: download sample
Signature Mirai
File size:42'236 bytes
First seen:2025-08-13 07:16:29 UTC
Last seen:2025-08-14 08:04:53 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:bL4PtUTzwnga2KbKjfpJGezUM1zjo8uCikbgQr3uQIgWTWL:IoO2KbKjpJ1zbjo4MQiNgf
TLSH T18713F1CEE9D53C89CA5DCCFE22ED0B988CC0609071AF93CD4B5648E8931395EB5991BC
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) :42'236 bytes
File size (de-compressed) :113'856 bytes
Format:linux/mipsel
Unpacked file: bd38e06a68c50726073167214000793619ec9a42307790dfddecdbc5f26a0406

Intelligence


File Origin
# of uploads :
2
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Changes access rights for a file
Receives data from a server
Connection attempt
DNS request
Changes access rights for a written file
Runs as daemon
Status:
terminated
Behavior Graph:
%3 guuid=cbdafc0b-1b00-0000-f276-af5cb90a0000 pid=2745 /usr/bin/sudo guuid=8c18690e-1b00-0000-f276-af5cbe0a0000 pid=2750 /tmp/sample.bin guuid=cbdafc0b-1b00-0000-f276-af5cb90a0000 pid=2745->guuid=8c18690e-1b00-0000-f276-af5cbe0a0000 pid=2750 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1755833 Sample: morte.mpsl.elf Startdate: 13/08/2025 Architecture: LINUX Score: 64 22 s3o-cnc.ddns.net 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 morte.mpsl.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 morte.mpsl.elf 8->12         started        14 morte.mpsl.elf 8->14         started        16 morte.mpsl.elf 8->16         started        process6 18 morte.mpsl.elf 12->18         started        20 morte.mpsl.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-13 07:17:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.

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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
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 f3bc9538795758a2800ee5217cc147b4d9e0795b7244eddc1f48bf63146788cd

(this sample)

  
Delivery method
Distributed via web download

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