MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 251e7e866484d05293bbba6850511153f3855ffb47d8b70c3363e90171946ee2. 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: 251e7e866484d05293bbba6850511153f3855ffb47d8b70c3363e90171946ee2
SHA3-384 hash: ee16f33a145aa24b4fb3897774de1f326d54a735256fc1f5ff9c776909ba4d63808803ef06116c386aa70ee04c9397a3
SHA1 hash: 5c3ab4af9a4f0e163edf9890214a74ccbcee9aca
MD5 hash: 38e8e7219d91f4f0bc7b9ad82d5be808
humanhash: october-river-winner-speaker
File name:mipsel.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:322'712 bytes
First seen:2025-09-10 15:27:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:bvgBZfLhH4pPEyVRbc2K/2tQaDw+8A5oYsvlzJQo:bIBZLsPEyVRw2K/2KQw+LotvlzJQo
TLSH T12464170DAB600FFBF86FCE3742E90B45258D680621983F7A7974E918B54B14F1AE3974
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 :
73
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-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
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
Deletes a file
Deleting a recently created file
Sends data to a server
Creates directories in a temporary directory
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 lolbin remote threat
Link:
https://www.filescan.io/uploads/68c1992fdbc6f5a29c3e719d/reports/1e285d54-b697-4ecd-8167-879c47bb8385/overview
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
Full report:
https://elfdigest.com/brief/251e7e866484d05293bbba6850511153f3855ffb47d8b70c3363e90171946ee2
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:
2025-09-10T13:31:00Z UTC
Last seen:
2025-09-10T13:31:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/251e7e866484d05293bbba6850511153f3855ffb47d8b70c3363e90171946ee2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e0a882ff-b962-4e18-9c83-34eca83e666d
Behavior Graph:
Download SVG
%3 guuid=19564fb8-1600-0000-316a-dff73d0c0000 pid=3133 /usr/bin/sudo guuid=af04aeba-1600-0000-316a-dff7420c0000 pid=3138 /tmp/sample.bin guuid=19564fb8-1600-0000-316a-dff73d0c0000 pid=3133->guuid=af04aeba-1600-0000-316a-dff7420c0000 pid=3138 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3dcd7df1-215b-4e7a-ae8a-654b2af5a7db
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1774945
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Multi AV Scanner detection for submitted file
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1774945 Sample: mipsel.urbotnetisass.elf Startdate: 10/09/2025 Architecture: LINUX Score: 92 47 94.154.35.153, 43212 SELECTELRU Ukraine 2->47 49 109.202.202.202, 80 INIT7CH Switzerland 2->49 51 2 other IPs or domains 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected Gafgyt 2->57 59 Yara detected Mirai 2->59 10 dash rm mipsel.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 35 other processes 2->16 signatures3 process4 process5 18 mipsel.urbotnetisass.elf 10->18         started        file6 39 /_dev_shm_.6229_librt.so.1, ELF 18->39 dropped 41 /_dev_shm_.6229_libpthread.so.0, ELF 18->41 dropped 43 /_dev_shm_.6229_libm.so.6, ELF 18->43 dropped 45 6 other malicious files 18->45 dropped 61 Writes identical ELF files to multiple locations 18->61 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 63 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->63 65 Deletes system log files 26->65 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/251e7e866484d05293bbba6850511153f3855ffb47d8b70c3363e90171946ee2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/251e7e866484d05293bbba6850511153f3855ffb47d8b70c3363e90171946ee2/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-10 15:31:03 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=euph5bteqtiffe53xjufauirkpzykx73i7mlodbtmpuqc4mun3ra._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250910-swee8s1xcw/
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
Link:
https://app.threat.zone/submission/b21c0a34-f0ac-45ce-b4af-4232a5b14325
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/251e7e866484d05293bbba6850511153f3855ffb47d8b70c3363e90171946ee2

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 251e7e866484d05293bbba6850511153f3855ffb47d8b70c3363e90171946ee2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618252/
  
Delivery method
Distributed via web download

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