MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 264370b846197763bef4997522caa5baad2628f61d1da509d405038a45b91e1c. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 264370b846197763bef4997522caa5baad2628f61d1da509d405038a45b91e1c
SHA3-384 hash: 53b757a1771b81ec869dacee243147634811e0de18e7c72e8611dd80ec65434f6ca0a10e30eb2c7e0b714a3c7d8ee52a
SHA1 hash: ee46d6f4c4c6a44244b37fb73be54d8427e8a3e5
MD5 hash: bff61fdfe70fcf08cccf196ee335f2f2
humanhash: undress-fruit-wolfram-oranges
File name:arm7.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:235'500 bytes
First seen:2025-09-18 21:05:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:x7Na5SOyBzr268FVcZ6Y9PqI6BoJLUU7WUSdG80je2klAfiT6:RNakOyBzr268Q0Y9zaU78GJi2klAfi
TLSH T1D0343B59BD919F15D5C226FAFB9FC29933132BB8D3EE7103CD206F60238649B0A7A541
telfhash t113e0c236814c84c8aad04517d6ff7b414b6cf063259319a1a9ff8ea95523b98d60261c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.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
Unmounts file systems
Opens a port
Sends data to a server
Creating a file
Deletes a file
Receives data from a server
Connection attempt
Kills processes
Mounts file systems
Runs as daemon
Collects information on the network activity
Substitutes an application name
Writes files to system directory
Deletes a system binary file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm expand gcc lolbin packed remote threat
Link:
https://www.filescan.io/uploads/68cc7443254431b688d3c459/reports/0a9ba4cf-2c72-41c9-81bd-55685c434dad/overview
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/264370b846197763bef4997522caa5baad2628f61d1da509d405038a45b91e1c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0957f1a3-87ac-43c2-aa2b-8b4cb5aa39c0
Behavior Graph:
Download SVG
%3 guuid=d2dc5bf3-1800-0000-864a-e8aabe120000 pid=4798 /usr/bin/sudo guuid=4ca87ff5-1800-0000-864a-e8aac7120000 pid=4807 /tmp/sample.bin guuid=d2dc5bf3-1800-0000-864a-e8aabe120000 pid=4798->guuid=4ca87ff5-1800-0000-864a-e8aac7120000 pid=4807 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b6982d8a-e75c-442d-86df-55aca23db64b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1780379
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
Sample reads /proc/mounts (often used for finding a writable filesystem)
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 Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780379 Sample: arm7.urbotnetisass.elf Startdate: 18/09/2025 Architecture: LINUX Score: 100 58 94.154.35.153, 40632, 43212 SELECTELRU Ukraine 2->58 60 109.202.202.202, 80 INIT7CH Switzerland 2->60 62 2 other IPs or domains 2->62 64 Antivirus detection for dropped file 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 Yara detected Mirai 2->68 10 arm7.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 16 other processes 2->16 signatures3 process4 process5 18 arm7.urbotnetisass.elf 10->18         started        file6 48 /memfd:/usr/lib/librt.so.1 (deleted), ELF 18->48 dropped 50 /memfd:/usr/lib/libpthread.so.0 (deleted), ELF 18->50 dropped 52 /memfd:/usr/lib/libm.so.6 (deleted), ELF 18->52 dropped 54 42 other malicious files 18->54 dropped 70 Sample tries to set files in /etc globally writable 18->70 72 Writes identical ELF files to multiple locations 18->72 74 Drops files in suspicious directories 18->74 76 Sample tries to persist itself using System V runlevels 18->76 22 arm7.urbotnetisass.elf sh 18->22         started        24 arm7.urbotnetisass.elf 18->24         started        26 arm7.urbotnetisass.elf 18->26         started        28 arm7.urbotnetisass.elf 18->28         started        signatures7 process8 process9 30 sh cp 22->30         started        34 arm7.urbotnetisass.elf 24->34         started        36 arm7.urbotnetisass.elf 26->36         started        38 arm7.urbotnetisass.elf 28->38         started        file10 56 /usr/bin/.sh, ELF 30->56 dropped 78 Drops invisible ELF files 30->78 80 Drops files in suspicious directories 30->80 82 Sample reads /proc/mounts (often used for finding a writable filesystem) 34->82 84 Deletes system log files 34->84 40 arm7.urbotnetisass.elf 34->40         started        42 arm7.urbotnetisass.elf 34->42         started        44 arm7.urbotnetisass.elf 34->44         started        46 7 other processes 34->46 signatures11 process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/264370b846197763bef4997522caa5baad2628f61d1da509d405038a45b91e1c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/264370b846197763bef4997522caa5baad2628f61d1da509d405038a45b91e1c/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-18 21:05:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ezbxbocgdf3whpxutf2sfsvfxkwsmkhwduo2kcouaubyurnzdyoa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250918-zxpe6awmt9/
Behaviour
Reads runtime system information
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/af975d9c-dbc2-4c30-8b36-4e5ee1fb37e8
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/264370b846197763bef4997522caa5baad2628f61d1da509d405038a45b91e1c

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 264370b846197763bef4997522caa5baad2628f61d1da509d405038a45b91e1c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618219/
  
Delivery method
Distributed via web download

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