MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e1c257c6d2bee664454a0876cf97a9268cbde72c15ac7821bfc27a9e0a0a76d. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments

SHA256 hash: 4e1c257c6d2bee664454a0876cf97a9268cbde72c15ac7821bfc27a9e0a0a76d
SHA3-384 hash: 5bb822e8855de10726597016fc9423b4eafa1a607b6070c6d2ba9853e66eeaf650d942539a83ca72f3b202a06b770514
SHA1 hash: 3f860469a06c98a80130f0b453f2c6ef098a3db7
MD5 hash: 3f3f5ee9098873b7d7754bf0b7033d77
humanhash: sierra-florida-speaker-twenty
File name:rizzx.mpsl
Download: download sample
Signature Mirai
File size:117'968 bytes
First seen:2026-02-18 18:31:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Pdub7djS5HECMP0vlyhRhFczcmVRh865xl:Pdo7djS5ECNyozcmVRbl
TLSH T19AB3E709EF611EF7E8AFCD370AF9270124CD592A22A97F757530D818B24A28F15E3974
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 2619a10770b6735120ff951145cbbfdc349a1c93557fdf997a56c72f05bff4b1
File size (compressed) :44'524 bytes
File size (de-compressed) :117'968 bytes
Format:linux/mipsel
Packed file: 2619a10770b6735120ff951145cbbfdc349a1c93557fdf997a56c72f05bff4b1

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=541b116c-1a00-0000-b111-ab52640b0000 pid=2916 /usr/bin/sudo guuid=0b326770-1a00-0000-b111-ab52660b0000 pid=2918 /tmp/sample.bin guuid=541b116c-1a00-0000-b111-ab52640b0000 pid=2916->guuid=0b326770-1a00-0000-b111-ab52660b0000 pid=2918 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-18 19:15:16 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 4e1c257c6d2bee664454a0876cf97a9268cbde72c15ac7821bfc27a9e0a0a76d

(this sample)

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