MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ba3b2845b7771e6a68ea4ade54d29eb63f60a95c866df78766aa8f1fd071a09. 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 6 File information Comments

SHA256 hash: 1ba3b2845b7771e6a68ea4ade54d29eb63f60a95c866df78766aa8f1fd071a09
SHA3-384 hash: 2bb63f5e1bb7c5d24240a44678d97d3fda59df8198389b9b063878a54e72cab0e736e3d2e3b36d3ee09379db6bb1fd9b
SHA1 hash: 9d4d8c6dc8949fa5e9fa3be0d2311fc4df441e4f
MD5 hash: 16ac731adcb05994012ac2f4ca316b1d
humanhash: double-football-alaska-paris
File name:mipsel.urbotnetisass
Download: download sample
Signature Mirai
File size:406'692 bytes
First seen:2025-09-23 04:01:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:4KSJEqAwupARke0vSATgL5VTFKCH5oqzJQ:4JJupARrj
TLSH T1E284E60DAB610FFBF86ECE3346E90F45158C685722983F7A7974E908F54A18B0AD3974
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 :
72
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
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
Opens a port
Creating a file in the %temp% directory
Creating a file
Sends data to a server
Connection attempt
Creating a file in the %temp% subdirectories
Collects information on the network activity
Creates directories in a temporary directory
Deleting a recently created file
Kills processes
Deletes a system binary file
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm bash lolbin remote threat
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:
2025-09-23T02:16:00Z UTC
Last seen:
2025-09-23T02:16:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=240ddcff-1800-0000-ed04-1d2dd3130000 pid=5075 /usr/bin/sudo guuid=44834402-1900-0000-ed04-1d2dda130000 pid=5082 /tmp/sample.bin guuid=240ddcff-1800-0000-ed04-1d2dd3130000 pid=5075->guuid=44834402-1900-0000-ed04-1d2dda130000 pid=5082 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1782388 Sample: mipsel.urbotnetisass.elf Startdate: 23/09/2025 Architecture: LINUX Score: 100 66 94.154.35.153, 43212 SELECTELRU Ukraine 2->66 68 109.202.202.202, 80 INIT7CH Switzerland 2->68 70 3 other IPs or domains 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 Yara detected Gafgyt 2->76 78 Yara detected Mirai 2->78 11 mipsel.urbotnetisass.elf 2->11         started        15 udisksd dumpe2fs 2->15         started        17 udisksd dumpe2fs 2->17         started        19 482 other processes 2->19 signatures3 process4 file5 58 /root/.bashrc, ASCII 11->58 dropped 60 /etc/rc.local, POSIX 11->60 dropped 62 /etc/profile, ASCII 11->62 dropped 64 /etc/crontab, ASCII 11->64 dropped 82 Sample tries to persist itself using /etc/profile 11->82 84 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 11->84 86 Sample tries to persist itself using cron 11->86 88 Sample tries to persist itself using System V runlevels 11->88 21 mipsel.urbotnetisass.elf 11->21         started        signatures6 process7 file8 50 /_dev_shm_.6257_librt.so.1, ELF 21->50 dropped 52 /_dev_shm_.6257_libpthread.so.0, ELF 21->52 dropped 54 /_dev_shm_.6257_libm.so.6, ELF 21->54 dropped 56 6 other malicious files 21->56 dropped 80 Writes identical ELF files to multiple locations 21->80 25 mipsel.urbotnetisass.elf 21->25         started        27 mipsel.urbotnetisass.elf 21->27         started        29 mipsel.urbotnetisass.elf 21->29         started        31 mipsel.urbotnetisass.elf 21->31         started        signatures9 process10 process11 33 mipsel.urbotnetisass.elf 25->33         started        36 mipsel.urbotnetisass.elf 27->36         started        38 mipsel.urbotnetisass.elf 29->38         started        40 mipsel.urbotnetisass.elf 31->40         started        file12 46 /tmp/.taunt, POSIX 33->46 dropped 48 /tmp/.mock, POSIX 33->48 dropped 42 mipsel.urbotnetisass.elf 33->42         started        process13 process14 44 mipsel.urbotnetisass.elf 42->44         started       
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-23 04:02:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
System Network Configuration Discovery
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: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 1ba3b2845b7771e6a68ea4ade54d29eb63f60a95c866df78766aa8f1fd071a09

(this sample)

  
Delivery method
Distributed via web download

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