MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16b7eb2d1f077ce1198a67b98bcb7caccd9511dd10bc39ea285aa2fba89be5d2. 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 7 File information Comments

SHA256 hash: 16b7eb2d1f077ce1198a67b98bcb7caccd9511dd10bc39ea285aa2fba89be5d2
SHA3-384 hash: ae5111ae3c75278334043a2913496211372a485f16c560e899c8398fcb4960568d63bb0d225d610a8e2a65c32247112a
SHA1 hash: 34b68188d9c18e6b99a2e4be8ba40536a8860c3c
MD5 hash: 010656b03c09e46f77adf36bc94a3cc9
humanhash: twelve-texas-venus-dakota
File name:mips.urbotnetisass
Download: download sample
Signature Mirai
File size:302'608 bytes
First seen:2025-09-14 04:11:01 UTC
Last seen:2025-09-15 01:30:25 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:HEh+cSWwy48/OybX3iuWfNkDlcGnXiikYvTo4FP2iwJLJQ2C:HEh+FmxbX3PiGnyiBbqJLJQR
TLSH T1E954D71E6E318F3DF768C73487B78B70E65973D226E1CA44E1ACE5010E2064E656FB68
telfhash t11e41b11c0db817a4a1362c99085dff2ae6a331df3e162c238a11d85ee72ef838d14d0d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Manages services
Sets a written file as executable
Opens a port
Deleting a recently created file
Kills processes
Changes access rights for a written file
Deletes a file
Sends data to a server
Changes owner for a file
Runs as daemon
Connection attempt
Changes the time when the file was created, accessed, or modified
Receives data from a server
Creating a file
Collects information on the network activity
Mounts file systems
Launching a process
Substitutes an application name
Deletes a system binary file
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files 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
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-14T01:18:00Z UTC
Last seen:
2025-09-14T01:18:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Status:
terminated
Behavior Graph:
%3 guuid=eaa715aa-1600-0000-9540-84875d0c0000 pid=3165 /usr/bin/sudo guuid=c8ec12ad-1600-0000-9540-84875e0c0000 pid=3166 /tmp/sample.bin guuid=eaa715aa-1600-0000-9540-84875d0c0000 pid=3165->guuid=c8ec12ad-1600-0000-9540-84875e0c0000 pid=3166 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1777190 Sample: mips.urbotnetisass.elf Startdate: 14/09/2025 Architecture: LINUX Score: 100 97 94.154.35.153, 43212 SELECTELRU Ukraine 2->97 99 109.202.202.202, 80 INIT7CH Switzerland 2->99 101 2 other IPs or domains 2->101 105 Antivirus detection for dropped file 2->105 107 Antivirus / Scanner detection for submitted sample 2->107 109 Multi AV Scanner detection for submitted file 2->109 111 2 other signatures 2->111 12 mips.urbotnetisass.elf 2->12         started        16 udisksd dumpe2fs 2->16         started        18 udisksd dumpe2fs 2->18         started        20 29 other processes 2->20 signatures3 process4 file5 91 /home/saturnino/.bashrc, ASCII 12->91 dropped 93 /etc/profile, ASCII 12->93 dropped 95 /etc/crontab, ASCII 12->95 dropped 137 Sample tries to persist itself using /etc/profile 12->137 139 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 12->139 141 Sample tries to persist itself using cron 12->141 143 Sample tries to persist itself using System V runlevels 12->143 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 129 Sample tries to set files in /etc globally writable 22->129 131 Writes identical ELF files to multiple locations 22->131 133 Drops files in suspicious directories 22->133 135 2 other signatures 22->135 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/sedxZunS6, POSIX 32->77 dropped 103 Sample tries to persist itself using System V runlevels 32->103 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 113 Writes identical ELF files to multiple locations 36->113 115 Drops invisible ELF files 36->115 117 Drops files in suspicious directories 36->117 87 /var/spool/cron/crontabs/tmp.ePmmr7, ASCII 39->87 dropped 119 Sample tries to persist itself using cron 39->119 121 Executes the "crontab" command typically for achieving persistence 39->121 54 sh crontab 42->54         started        57 sh grep 42->57         started        89 /usr/bin/.sh, ELF 44->89 dropped 123 Sample reads /proc/mounts (often used for finding a writable filesystem) 46->123 125 Deletes system log files 46->125 59 mips.urbotnetisass.elf 46->59         started        61 mips.urbotnetisass.elf 46->61         started        63 mips.urbotnetisass.elf 46->63         started        67 7 other processes 46->67 65 systemctl systemd-sysv-install 50->65         started        signatures15 process16 signatures17 127 Executes the "crontab" command typically for achieving persistence 54->127 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       
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-14 04:12:36 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
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
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
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
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
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
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 16b7eb2d1f077ce1198a67b98bcb7caccd9511dd10bc39ea285aa2fba89be5d2

(this sample)

  
Delivery method
Distributed via web download

Comments