MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19adf6285b1504c96400173287c0b0bdb8d0e071c3dff9706a67ea36a6e543a4. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: 19adf6285b1504c96400173287c0b0bdb8d0e071c3dff9706a67ea36a6e543a4
SHA3-384 hash: 33ef9637d3b05f2cf5cc11e831b48548a0c8677c13115369bc06a923c13c0fb8a02aa9a03ce6999aa6887a9bab24dcf0
SHA1 hash: f2bfe983a033abc89f992c003655749584894a5d
MD5 hash: a56fa9e23d1039b207b8d91da1468ea5
humanhash: utah-asparagus-juliet-lake
File name:mipsel.urbotnetisass
Download: download sample
Signature Mirai
File size:296'972 bytes
First seen:2025-09-13 21:53:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:NozW2DHyQP1cXXG9pMxjS22XUyOvj4Pn1iNYUz2iCJQI:K62DHyQanQ+xmZcj4f1iNYM2LJQI
TLSH T1AE54070EAB600FFBF8AFCE3396E90B45248C644622983F793574E504F54B54B9AD3978
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 :
1
# of downloads :
54
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
Unmounts file systems
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
Verdict:
Malicious
Threat level:
  10/10
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:
2025-09-13T11:32:00Z UTC
Last seen:
2025-09-13T11:32:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Status:
terminated
Behavior Graph:
%3 guuid=d2d682cf-1900-0000-b801-01d6750c0000 pid=3189 /usr/bin/sudo guuid=9503d9d1-1900-0000-b801-01d67b0c0000 pid=3195 /tmp/sample.bin guuid=d2d682cf-1900-0000-b801-01d6750c0000 pid=3189->guuid=9503d9d1-1900-0000-b801-01d67b0c0000 pid=3195 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
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 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: 1777109 Sample: mipsel.urbotnetisass.elf Startdate: 14/09/2025 Architecture: LINUX Score: 100 89 94.154.35.153, 43212 SELECTELRU Ukraine 2->89 91 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->91 93 54.171.230.55, 443 AMAZON-02US United States 2->93 109 Antivirus detection for dropped file 2->109 111 Antivirus / Scanner detection for submitted sample 2->111 113 Multi AV Scanner detection for submitted file 2->113 115 2 other signatures 2->115 12 mipsel.urbotnetisass.elf 2->12         started        14 udisksd dumpe2fs 2->14         started        16 udisksd dumpe2fs 2->16         started        18 31 other processes 2->18 signatures3 process4 process5 20 mipsel.urbotnetisass.elf 12->20         started        file6 75 /usr/bin/uraskid, ELF 20->75 dropped 77 /root/.bashrc, ASCII 20->77 dropped 79 /root/.bash_profile, ASCII 20->79 dropped 81 13 other malicious files 20->81 dropped 119 Sample tries to set files in /etc globally writable 20->119 121 Writes identical ELF files to multiple locations 20->121 123 Drops files in suspicious directories 20->123 125 2 other signatures 20->125 24 mipsel.urbotnetisass.elf sh 20->24         started        26 mipsel.urbotnetisass.elf sh 20->26         started        28 mipsel.urbotnetisass.elf sh 20->28         started        30 8 other processes 20->30 signatures7 process8 file9 34 sh cp 24->34         started        37 sh crontab 26->37         started        40 sh 26->40         started        42 sh cp 28->42         started        87 /etc/sedOujCoM, POSIX 30->87 dropped 127 Sample tries to persist itself using System V runlevels 30->127 44 mipsel.urbotnetisass.elf 30->44         started        46 sh cp 30->46         started        48 sh systemctl 30->48         started        50 3 other processes 30->50 signatures10 process11 file12 95 Writes identical ELF files to multiple locations 34->95 97 Drops invisible ELF files 34->97 99 Drops files in suspicious directories 34->99 83 /var/spool/cron/crontabs/tmp.QYt8Ha, ASCII 37->83 dropped 101 Sample tries to persist itself using cron 37->101 103 Executes the "crontab" command typically for achieving persistence 37->103 52 sh crontab 40->52         started        55 sh grep 40->55         started        85 /usr/bin/.sh, ELF 42->85 dropped 105 Sample reads /proc/mounts (often used for finding a writable filesystem) 44->105 107 Deletes system log files 44->107 57 mipsel.urbotnetisass.elf 44->57         started        59 mipsel.urbotnetisass.elf 44->59         started        61 mipsel.urbotnetisass.elf 44->61         started        65 7 other processes 44->65 63 systemctl systemd-sysv-install 48->63         started        signatures13 process14 signatures15 117 Executes the "crontab" command typically for achieving persistence 52->117 67 systemd-sysv-install update-rc.d 63->67         started        69 systemd-sysv-install getopt 63->69         started        71 systemd-sysv-install update-rc.d 63->71         started        process16 process17 73 update-rc.d systemctl 67->73         started       
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-13 14:25:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
credential_access discovery persistence
Behaviour
Reads runtime system information
System Network Configuration Discovery
Reads process memory
Modifies init.d
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 19adf6285b1504c96400173287c0b0bdb8d0e071c3dff9706a67ea36a6e543a4

(this sample)

  
Delivery method
Distributed via web download

Comments