MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8db72cf3c17c8e2ce37789cc8c7f1403a8f8ae0d790cc9df566365e20268c2d0. 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

SHA256 hash: 8db72cf3c17c8e2ce37789cc8c7f1403a8f8ae0d790cc9df566365e20268c2d0
SHA3-384 hash: 74b5d876f9981a0fb58749b1982340658d94813c41ebeb33c0ace3b5ec2ff0b35d4c4e4abb231c45a5ada755d17cae3b
SHA1 hash: eb4044bf0301a0acf74a0de6e979d4895cef6ea0
MD5 hash: 683deafe7555bcad228c5c6dd4cdfb44
humanhash: wyoming-double-mockingbird-skylark
File name:mipsel.urbotnetisass
Download: download sample
Signature Mirai
File size:258'084 bytes
First seen:2025-09-11 15:11:40 UTC
Last seen:2025-09-12 07:05:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:sVTKavBSXFR5A74vzHilx6TQUTTJNl1Scq9+lrHipU3ynGjKWQOV9dJQ:jbA74rHaETTv/Sgri8K5EJQ
TLSH T1C544090AAB610EFBF8AFCD3741E80B46258C685222993F7A3574EA14F54B54F0AD3D74
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

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Unmounts file systems
Collects information on the network activity
Mounts file systems
Kills processes
Opens a port
Deleting a recently created file
Deletes a file
Connection attempt
Deletes a system binary file
Substitutes an application name
Writes files to system directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm
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
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-11T13:28:00Z UTC
Last seen:
2025-09-11T13:28:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=6c205351-1900-0000-cbe6-36e867100000 pid=4199 /usr/bin/sudo guuid=2c872953-1900-0000-cbe6-36e870100000 pid=4208 /tmp/sample.bin guuid=6c205351-1900-0000-cbe6-36e867100000 pid=4199->guuid=2c872953-1900-0000-cbe6-36e870100000 pid=4208 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Sample reads /proc/mounts (often used for finding a writable filesystem)
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1775752 Sample: mipsel.urbotnetisass.elf Startdate: 11/09/2025 Architecture: LINUX Score: 84 47 94.154.35.153, 43212 SELECTELRU Ukraine 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Yara detected Gafgyt 2->51 53 Yara detected Mirai 2->53 10 mipsel.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 12 other processes 2->16 signatures3 process4 process5 18 mipsel.urbotnetisass.elf 10->18         started        file6 39 /_dev_shm_.5456_librt.so.1, ELF 18->39 dropped 41 /_dev_shm_.5456_libpthread.so.0, ELF 18->41 dropped 43 /_dev_shm_.5456_libm.so.6, ELF 18->43 dropped 45 6 other malicious files 18->45 dropped 55 Writes identical ELF files to multiple locations 18->55 22 mipsel.urbotnetisass.elf 18->22         started        24 mipsel.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 mipsel.urbotnetisass.elf 22->26         started        29 mipsel.urbotnetisass.elf 24->29         started        signatures10 57 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->57 59 Deletes system log files 26->59 31 mipsel.urbotnetisass.elf 26->31         started        33 mipsel.urbotnetisass.elf 26->33         started        35 mipsel.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-11 15:12:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
Enumerates running processes
Writes file to system bin folder
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 8db72cf3c17c8e2ce37789cc8c7f1403a8f8ae0d790cc9df566365e20268c2d0

(this sample)

  
Delivery method
Distributed via web download

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