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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b13ef3b8a7100bfc079fd545e1ffb8f7fe0219298fb300acf03441d6370b08e. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b13ef3b8a7100bfc079fd545e1ffb8f7fe0219298fb300acf03441d6370b08e
SHA3-384 hash: 6307730db1cc76f9b0b65c94923a7d51dcb1d028fb3987674a5628c63e29dd45460b7dc8003948aeececd94b7a0b1762
SHA1 hash: b3675db499aff8cdae5d2c01aec93a6340fbcf87
MD5 hash: 11a8800a6b9d1895bc3b8a79a9d52c6f
humanhash: table-charlie-lake-red
File name:mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:147'436 bytes
First seen:2026-09-25 21:05:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Pyh8yd1o8KyLulqT0jrDodu83R3JwAoVR9TnEO0F:qh8ybo8KycqTxdu8JyZ5TnEO6
TLSH T171E3123DCC6834BACF6A6DB8C67A41C1BCD1A6E19D1763678311CC68356E44FE4E8029
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :147'436 bytes
File size (de-compressed) :366'860 bytes
Format:linux/mipsel
Unpacked file: a51c2140a401b5c28104a494d3f58ab48c726a9eda9a7b46ed819dc4e5c26216

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/eef4d33d-9b89-4a9b-946d-a3a80724bbae/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Connection attempt
Runs as daemon
Manages services
Creating a file
Creates directories
Substitutes an application name
Writes files to system directory
Creates or modifies files to set up autorun
Deleting of the original file
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6ab6e24d5e0b9b10a637bf17/reports/dc8d9442-a341-47d7-b4ba-9ad9ce1de314/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/74f4936b-302a-4835-ba8a-b028b092a0a9
Behavior Graph:
Download SVG
%3 guuid=bf86915d-1a00-0000-9db8-2e3bf80c0000 pid=3320 /usr/bin/sudo guuid=d8962361-1a00-0000-9db8-2e3bfe0c0000 pid=3326 /tmp/sample.bin guuid=bf86915d-1a00-0000-9db8-2e3bf80c0000 pid=3320->guuid=d8962361-1a00-0000-9db8-2e3bfe0c0000 pid=3326 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d961d4d7-98f0-4d4c-aa81-1fac97238965
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1978389
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Writes ELF files to hidden directories
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1978389 Sample: mpsl.elf Startdate: 26/09/2026 Architecture: LINUX Score: 100 77 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->77 79 217.60.103.135, 35342, 57686, 57688 HOSTSNAP-NETWORK-HostSNAPLLCUS Switzerland 2->79 81 Antivirus detection for dropped file 2->81 83 Antivirus / Scanner detection for submitted sample 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 2 other signatures 2->87 12 mpsl.elf 2->12         started        14 systemd snapd-env-generator 2->14         started        16 systemd snapd-env-generator 2->16         started        18 3 other processes 2->18 signatures3 process4 process5 20 mpsl.elf 12->20         started        process6 22 mpsl.elf 20->22         started        process7 24 mpsl.elf 22->24         started        file8 63 /var/tmp/.cache/sysd, ELF 24->63 dropped 65 /etc/systemd/system/system-service.service, ASCII 24->65 dropped 67 /etc/rc.local, POSIX 24->67 dropped 69 /etc/init.d/system-service, POSIX 24->69 dropped 97 Sample tries to set files in /etc globally writable 24->97 99 Writes ELF files to hidden directories 24->99 101 Drops files in suspicious directories 24->101 103 2 other signatures 24->103 28 mpsl.elf 24->28         started        32 mpsl.elf sh 24->32         started        34 mpsl.elf sh 24->34         started        36 6 other processes 24->36 signatures9 process10 file11 71 /root/.bashrc, ASCII 28->71 dropped 73 /etc/profile, ASCII 28->73 dropped 107 Sample tries to persist itself using /etc/profile 28->107 109 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 28->109 38 mpsl.elf busybox 28->38         started        41 mpsl.elf busybox 28->41         started        43 mpsl.elf busybox 28->43         started        54 298 other processes 28->54 45 sh crontab 32->45         started        48 sh 32->48         started        50 sh update-rc.d 34->50         started        111 Sample reads /proc/mounts (often used for finding a writable filesystem) 36->111 52 sh crontab 36->52         started        56 2 other processes 36->56 signatures12 process13 file14 89 Protects files from modification 38->89 75 /var/spool/cron/crontabs/tmp.DGLLrM, ASCII 45->75 dropped 91 Sample tries to persist itself using cron 45->91 93 Executes the "crontab" command typically for achieving persistence 45->93 58 sh crontab 48->58         started        95 Sample tries to persist itself using System V runlevels 50->95 61 update-rc.d systemctl 50->61         started        signatures15 process16 signatures17 105 Executes the "crontab" command typically for achieving persistence 58->105
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5b13ef3b8a7100bfc079fd545e1ffb8f7fe0219298fb300acf03441d6370b08e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b13ef3b8a7100bfc079fd545e1ffb8f7fe0219298fb300acf03441d6370b08e/
Threat name:
Linux.Exploit.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-25 21:06:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
4 of 36 (11.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lmj66o4koeal7qdz7vkf4h73r576aimstd5tacwpancb2y3qwcha._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260925-zxvxyaxajb/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Modifies the /etc/hosts DNS resolution file
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_IoT_DVR_Botnet_Hama_UPX
Create hunting rule
Author:Serhii Kocherhan
Description:Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 5b13ef3b8a7100bfc079fd545e1ffb8f7fe0219298fb300acf03441d6370b08e

(this sample)

Mirai

elf a51c2140a401b5c28104a494d3f58ab48c726a9eda9a7b46ed819dc4e5c26216

  
URLhaus
https://urlhaus.abuse.ch/url/3921992/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a51c2140a401b5c28104a494d3f58ab48c726a9eda9a7b46ed819dc4e5c26216
  
Dropping
MD5 be900b61b165efc37b5ed41c18e756e3

Comments