MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be57d73bf92b8397c67908fdfb7b0b27f15caaac3ff95bb99ed862fd522b8f44. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be57d73bf92b8397c67908fdfb7b0b27f15caaac3ff95bb99ed862fd522b8f44
SHA3-384 hash: 9eeaf8241ab497b01f4928cf1789a01e9995b08226ef901175de6d49153766053297217d407b4d26a874be27876eba72
SHA1 hash: b92e1d1b2ebc43bdf816a2c54b901fb48c9ca72b
MD5 hash: ffefcf34f2995667dcfb85fa8149682f
humanhash: seventeen-undress-mobile-johnny
File name:mips.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:120'268 bytes
First seen:2025-11-28 22:41:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:TGoN5Sx2vNgRoXxUBbq9jl00wskgLbvtib/3ovZ6sp9kppdn3ebTAY+g4em6p:lVtXyBYR00lLJibgvosp9Wpdk+up
TLSH T15EC3D60E6E314FADF3A8C63447B38A35A75923D627E1D6C1D2ACD5141E7038D246FBA8
telfhash t15c21815c09b423e457366c992faefb77e55030df67263c338e11a9bea6ad9815d00c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Trojan.Mirai-10010119-0
Create hunting rule

Unix.Trojan.Mirai-10010127-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Sends data to a server
Launching a process
Sets a written file as executable
Deletes a file
Changes the time when the file was created, accessed, or modified
Opens a port
Receives data from a server
Creating a file
Runs as daemon
Connection attempt
Changes access rights for a written file
Creating a process from a recently created file
Kills processes
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android bash lolbin mirai
Link:
https://www.filescan.io/uploads/692a254befb205635358b609/reports/7ab56411-cda1-41ef-9cdf-1490bfffb901/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ab93cea8-0c3f-4a07-b721-85d9c2895e10
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1822612
Signature
Drops files in suspicious directories
Drops invisible ELF files
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
Sample deletes itself
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
Terminates several processes with shell command 'killall'
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822612 Sample: mips.uhavenobotsxd.elf Startdate: 29/11/2025 Architecture: LINUX Score: 96 90 94.154.35.153, 33874, 6969 SELECTELRU Ukraine 2->90 92 89.190.158.44 PERFECT-INTERNATIONALUS United Kingdom 2->92 94 4 other IPs or domains 2->94 108 Multi AV Scanner detection for submitted file 2->108 110 Uses known network protocols on non-standard ports 2->110 11 mips.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 112 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->112 14 mips.uhavenobotsxd.elf 11->14         started        process6 file7 82 /var/spool/cron/root, ASCII 14->82 dropped 84 /var/spool/cron/crontabs/root, ASCII 14->84 dropped 86 /root/.bashrc, ASCII 14->86 dropped 88 8 other files (7 malicious) 14->88 dropped 120 Sample tries to set files in /etc globally writable 14->120 122 Sample tries to persist itself using /etc/profile 14->122 124 Drops files in suspicious directories 14->124 126 4 other signatures 14->126 18 mips.uhavenobotsxd.elf 14->18         started        20 mips.uhavenobotsxd.elf sh 14->20         started        22 mips.uhavenobotsxd.elf sh 14->22         started        24 32 other processes 14->24 signatures8 process9 process10 26 mips.uhavenobotsxd.elf sh 18->26         started        28 mips.uhavenobotsxd.elf sh 18->28         started        42 2 other processes 18->42 30 sh S99network 20->30         started        32 sh crontab 22->32         started        36 sh 22->36         started        38 sh .monitor 24->38         started        40 sh cp 24->40         started        44 29 other processes 24->44 file11 46 sh .update 26->46         started        49 sh .update 28->49         started        51 S99network 30->51         started        78 /var/spool/cron/crontabs/tmp.KEmANM, ASCII 32->78 dropped 96 Sample tries to persist itself using cron 32->96 98 Executes the "crontab" command typically for achieving persistence 32->98 53 sh crontab 36->53         started        55 .monitor 38->55         started        80 /usr/bin/.update, ELF 40->80 dropped 100 Drops invisible ELF files 40->100 102 Drops files in suspicious directories 40->102 57 sh .update 42->57         started        59 sh .update 42->59         started        104 Sample deletes itself 44->104 106 Terminates several processes with shell command 'killall' 44->106 signatures12 process13 signatures14 116 Sample reads /proc/mounts (often used for finding a writable filesystem) 46->116 61 S99network .update 51->61         started        64 S99network .update 51->64         started        66 S99network .update 51->66         started        74 3 other processes 51->74 118 Executes the "crontab" command typically for achieving persistence 53->118 68 .monitor .update 55->68         started        70 .monitor .update 55->70         started        72 .monitor .update 55->72         started        76 3 other processes 55->76 process15 signatures16 114 Sample reads /proc/mounts (often used for finding a writable filesystem) 61->114
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/be57d73bf92b8397c67908fdfb7b0b27f15caaac3ff95bb99ed862fd522b8f44
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/be57d73bf92b8397c67908fdfb7b0b27f15caaac3ff95bb99ed862fd522b8f44/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-28 22:42:19 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xzl5oo7zfobzprtzbd67w6yle7yvzkvmh74vxom63brp2urlr5ca._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251128-2ms2psbp6t/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e10b0e2a-e72c-4ce3-9598-4b43cb82b719
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/be57d73bf92b8397c67908fdfb7b0b27f15caaac3ff95bb99ed862fd522b8f44

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:unixredflags3
Create hunting rule
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 be57d73bf92b8397c67908fdfb7b0b27f15caaac3ff95bb99ed862fd522b8f44

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686386/
  
Delivery method
Distributed via web download

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