MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37e39ec80792fb487504db381da4cbebe9737e6cc1ca2af95542483567ed1256. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37e39ec80792fb487504db381da4cbebe9737e6cc1ca2af95542483567ed1256
SHA3-384 hash: 79945a811f70909202a74bfcf4de3a1ee3fd827d05e3a58310593bf848c47b2004de3ab4747eb6f6cf70b1f176faab8f
SHA1 hash: 9b4da454dad0192dba8bad170f25eda976ac9b12
MD5 hash: 6694e32da9444f64ac2bab4cbe60e028
humanhash: one-asparagus-friend-one
File name:mips.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:374'284 bytes
First seen:2025-09-19 09:58:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:TKsly2/ogWtU6PdINRVfTXNNwr1NrrplPDsQq1hxUFe5AbTJj+bQJQP5:TKslyk6ifTXNuN/aucbQJQP5
TLSH T16484F91E6A619F3DF778873447B78B70D79923D216E0CA85E5ACE1011E2025E782FF68
telfhash t10841e4180e7817a8a1256c5d445dff27a2e374df3e162c279e10e45eb72ea835c18d0d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Kills processes
Changes owner for a file
Mounts file systems
Runs as daemon
Deletes a file
Changes the time when the file was created, accessed, or modified
Receives data from a server
Launching a process
Opens a port
Changes access rights for a written file
Manages services
Creating a file
Sends data to a server
Connection attempt
Collects information on the network activity
Unmounts file systems
Deleting a recently created file
Deletes a system binary file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm bash lolbin remote threat
Link:
https://www.filescan.io/uploads/68cd2a4fe39a6830ee40a4fb/reports/f3fcbc09-672b-454c-9d68-05c56bbb4286/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-19T07:10:00Z UTC
Last seen:
2025-09-19T07:10:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/37e39ec80792fb487504db381da4cbebe9737e6cc1ca2af95542483567ed1256/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/611706a6-5ce1-445d-84e3-0c1efe57cc87
Behavior Graph:
Download SVG
%3 guuid=c03c5225-1900-0000-8028-1544430b0000 pid=2883 /usr/bin/sudo guuid=4112f426-1900-0000-8028-1544480b0000 pid=2888 /tmp/sample.bin guuid=c03c5225-1900-0000-8028-1544430b0000 pid=2883->guuid=4112f426-1900-0000-8028-1544480b0000 pid=2888 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e23a5e52-86a4-45a2-9296-c1497c07c5f9
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1780648
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
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 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 identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780648 Sample: mips.urbotnetisass.elf Startdate: 19/09/2025 Architecture: LINUX Score: 100 95 94.154.35.153, 43212 SELECTELRU Ukraine 2->95 97 34.243.160.129, 443 AMAZON-02US United States 2->97 101 Antivirus detection for dropped file 2->101 103 Antivirus / Scanner detection for submitted sample 2->103 105 Multi AV Scanner detection for submitted file 2->105 107 2 other signatures 2->107 12 mips.urbotnetisass.elf 2->12         started        16 udisksd dumpe2fs 2->16         started        18 udisksd dumpe2fs 2->18         started        20 32 other processes 2->20 signatures3 process4 file5 91 /etc/profile, ASCII 12->91 dropped 93 /etc/crontab, ASCII 12->93 dropped 133 Sample tries to persist itself using /etc/profile 12->133 135 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 12->135 137 Sample tries to persist itself using cron 12->137 139 Sample tries to persist itself using System V runlevels 12->139 22 mips.urbotnetisass.elf 12->22         started        signatures6 process7 file8 79 /usr/bin/uraskid, ELF 22->79 dropped 81 /root/.bashrc, ASCII 22->81 dropped 83 /root/.bash_profile, ASCII 22->83 dropped 85 12 other malicious files 22->85 dropped 125 Sample tries to set files in /etc globally writable 22->125 127 Writes identical ELF files to multiple locations 22->127 129 Drops files in suspicious directories 22->129 131 2 other signatures 22->131 26 mips.urbotnetisass.elf sh 22->26         started        28 mips.urbotnetisass.elf sh 22->28         started        30 mips.urbotnetisass.elf sh 22->30         started        32 8 other processes 22->32 signatures9 process10 file11 36 sh cp 26->36         started        39 sh crontab 28->39         started        42 sh 28->42         started        44 sh cp 30->44         started        77 /etc/sedRbNONd, POSIX 32->77 dropped 99 Sample tries to persist itself using System V runlevels 32->99 46 mips.urbotnetisass.elf 32->46         started        48 sh cp 32->48         started        50 sh systemctl 32->50         started        52 3 other processes 32->52 signatures12 process13 file14 109 Writes identical ELF files to multiple locations 36->109 111 Drops invisible ELF files 36->111 113 Drops files in suspicious directories 36->113 87 /var/spool/cron/crontabs/tmp.zSLTt7, ASCII 39->87 dropped 115 Sample tries to persist itself using cron 39->115 117 Executes the "crontab" command typically for achieving persistence 39->117 54 sh crontab 42->54         started        57 sh grep 42->57         started        89 /usr/bin/.sh, ELF 44->89 dropped 119 Sample reads /proc/mounts (often used for finding a writable filesystem) 46->119 121 Deletes system log files 46->121 59 mips.urbotnetisass.elf 46->59         started        61 mips.urbotnetisass.elf 46->61         started        63 mips.urbotnetisass.elf 46->63         started        67 8 other processes 46->67 65 systemctl systemd-sysv-install 50->65         started        signatures15 process16 signatures17 123 Executes the "crontab" command typically for achieving persistence 54->123 69 systemd-sysv-install update-rc.d 65->69         started        71 systemd-sysv-install getopt 65->71         started        73 systemd-sysv-install update-rc.d 65->73         started        process18 process19 75 update-rc.d systemctl 69->75         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/37e39ec80792fb487504db381da4cbebe9737e6cc1ca2af95542483567ed1256
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37e39ec80792fb487504db381da4cbebe9737e6cc1ca2af95542483567ed1256/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/37e39ec80792fb487504db381da4cbebe9737e6cc1ca2af95542483567ed1256
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-19 10:05:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7rz5sahsl5uq5ie3m4b3jgl5puxg7tmyhfcv6kvijedkz7ncjla._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250919-l3hynsgr9v/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Writes file to system bin folder
Deletes system logs
Executes dropped EXE
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/6813b955-dbee-47a7-a6cc-ee7507d14619
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/37e39ec80792fb487504db381da4cbebe9737e6cc1ca2af95542483567ed1256

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Mirai

elf 37e39ec80792fb487504db381da4cbebe9737e6cc1ca2af95542483567ed1256

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618257/
  
Delivery method
Distributed via web download

Comments