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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b528de50ba3683de7f2d7937c4a65331eb367ec5c2a71e8e5c57fcd6f2b6b619. 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: 6


Intelligence 6 IOCs YARA 16 File information Comments

SHA256 hash: b528de50ba3683de7f2d7937c4a65331eb367ec5c2a71e8e5c57fcd6f2b6b619
SHA3-384 hash: 3f41ee705b4e6cd8fa86a975d40c6f1dbad36997a550d82418235d797bd9d411e8a78b785e9dfbbaeb602a4f27e95552
SHA1 hash: f7e5921e99ab34875b17871de0ba962dc05855d9
MD5 hash: a8734905a3727fd10a396012983f1319
humanhash: seven-burger-moon-skylark
File name:mpsl
Download: download sample
Signature Mirai
File size:450'808 bytes
First seen:2026-10-28 17:38:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:jeOc4lsdTFrxWIib5+4LKnlM3CCXE5EiVsGeODDa9iW:lEHiil6UsHODDa9iW
TLSH T146A4298897F19BDFE06DDE305329AA0B0CAE4A3770D77799A17DE86233A714505E7C20
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
97
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-28T15:37:00Z UTC
Last seen:
2026-10-28T16:17:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c358eee2-1600-0000-4d15-87faca0c0000 pid=3274 /usr/bin/sudo guuid=b77993e5-1600-0000-4d15-87fad00c0000 pid=3280 /tmp/sample.bin guuid=c358eee2-1600-0000-4d15-87faca0c0000 pid=3274->guuid=b77993e5-1600-0000-4d15-87fad00c0000 pid=3280 execve
Threat name:
Linux.Exploit.DirtyFrag
Status:
Malicious
First seen:
2026-10-28 17:39:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Modifies Watchdog functionality
Traces itself
Unexpected DNS network traffic destination
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Packer_Dropper_Fileless_Armhf
Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:EXPL_LNX_DirtyFrag_ForensicArtefacts_May26
Author:Florian Roth
Description:Detects DirtyFrag exploit code POC usage in Linux environments
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_irc_catcher
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:LIN_Malware_Unknown_ForgeAuto_0daebbb8
Author:Marjoriefort
Description:Detects Unknown (elf, etat binaire)
Rule name:MIRAI_OHSHIT_payload
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b528de50ba3683de7f2d7937c4a65331eb367ec5c2a71e8e5c57fcd6f2b6b619

(this sample)

  
Delivery method
Distributed via web download

Comments