MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a49c0bbe50874e64bfb1bf6a17e609e9e9ae12535b279ebd9927bebc728905b1. 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: a49c0bbe50874e64bfb1bf6a17e609e9e9ae12535b279ebd9927bebc728905b1
SHA3-384 hash: 01b826d57df65de7a26bef40b2905642fb97078ddbe6a67c9ed351f61fd0514ddf2e05af74305e35b71ecce111382502
SHA1 hash: a0839f29f5c8c6726feec920387e607730f4150a
MD5 hash: 9f64a671e66924c0807aba68abab975c
humanhash: kentucky-skylark-happy-whiskey
File name:arm7.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:265'360 bytes
First seen:2025-09-21 15:16:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:tXyH3azROckzzUz7VeOVWAC8F3CJiZnkgqSa0IJpFIsUnjjq5z/TTfifL:hyH3a9OckzzUzRxVFZFuIjIveseHWvTa
TLSH T1B1442B6AFD819F45D5C166FAFB9EC359331B2BB8D3EE3102CD105F61338A48B0A6A541
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
34
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
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
Kills processes
Sets a written file as executable
Mounts file systems
Runs as daemon
Deletes a file
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
Unmounts file systems
Creates directories in a temporary directory
Deleting a recently created file
Deletes a system binary file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm expand gcc lolbin packed remote threat
Link:
https://www.filescan.io/uploads/68d0170cdc1cad370d1e3fc8/reports/91aec665-f452-4021-9d63-5c07562cded9/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
97
Number of processes launched:
11
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a49c0bbe50874e64bfb1bf6a17e609e9e9ae12535b279ebd9927bebc728905b1
Behaviour
Anti-VM
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-21T12:22:00Z UTC
Last seen:
2025-09-21T12:22:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.gu
Link:
https://opentip.kaspersky.com/a49c0bbe50874e64bfb1bf6a17e609e9e9ae12535b279ebd9927bebc728905b1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7f198aae-aa78-45d7-828d-9fc9468efcf2
Behavior Graph:
Download SVG
%3 guuid=0e14caf2-1800-0000-56ab-44c1380e0000 pid=3640 /usr/bin/sudo guuid=95d503f5-1800-0000-56ab-44c1410e0000 pid=3649 /tmp/sample.bin guuid=0e14caf2-1800-0000-56ab-44c1380e0000 pid=3640->guuid=95d503f5-1800-0000-56ab-44c1410e0000 pid=3649 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/97a96ac8-566a-4798-93c0-27e225369880
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1781534
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 Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1781534 Sample: arm7.urbotnetisass.elf Startdate: 21/09/2025 Architecture: LINUX Score: 92 63 94.154.35.153, 43212 SELECTELRU Ukraine 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Yara detected Mirai 2->69 10 arm7.urbotnetisass.elf 2->10         started        14 udisksd dumpe2fs 2->14         started        16 udisksd dumpe2fs 2->16         started        18 485 other processes 2->18 signatures3 process4 file5 55 /root/.bashrc, ASCII 10->55 dropped 57 /etc/rc.local, POSIX 10->57 dropped 59 /etc/profile, ASCII 10->59 dropped 61 /etc/crontab, ASCII 10->61 dropped 73 Sample tries to persist itself using /etc/profile 10->73 75 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 10->75 77 Sample tries to persist itself using cron 10->77 79 Sample tries to persist itself using System V runlevels 10->79 20 arm7.urbotnetisass.elf 10->20         started        signatures6 process7 file8 47 /memfd:/usr/lib/librt.so.1 (deleted), ELF 20->47 dropped 49 /memfd:/usr/lib/libpthread.so.0 (deleted), ELF 20->49 dropped 51 /memfd:/usr/lib/libm.so.6 (deleted), ELF 20->51 dropped 53 41 other malicious files 20->53 dropped 71 Writes identical ELF files to multiple locations 20->71 24 arm7.urbotnetisass.elf 20->24         started        26 arm7.urbotnetisass.elf 20->26         started        28 arm7.urbotnetisass.elf 20->28         started        30 arm7.urbotnetisass.elf 20->30         started        signatures9 process10 process11 32 arm7.urbotnetisass.elf 24->32         started        35 arm7.urbotnetisass.elf 26->35         started        37 arm7.urbotnetisass.elf 28->37         started        39 arm7.urbotnetisass.elf 30->39         started        file12 43 /tmp/.taunt, POSIX 32->43 dropped 45 /tmp/.mock, POSIX 32->45 dropped 41 arm7.urbotnetisass.elf 32->41         started        process13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a49c0bbe50874e64bfb1bf6a17e609e9e9ae12535b279ebd9927bebc728905b1
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a49c0bbe50874e64bfb1bf6a17e609e9e9ae12535b279ebd9927bebc728905b1/
Verdict:
Malicious
Threat:
Linux.Exploit.Mirai
Link:
https://tip.neiki.dev/file/a49c0bbe50874e64bfb1bf6a17e609e9e9ae12535b279ebd9927bebc728905b1
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-21 15:17:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=usoaxpsqq5hgjp5rx5vbpzqj5hu24estlmtz5pmze67ly4ujawyq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250921-sn7f2scm7s/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
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/4e0fb82f-83cb-4992-a44b-3757dc94e09c
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
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 a49c0bbe50874e64bfb1bf6a17e609e9e9ae12535b279ebd9927bebc728905b1

(this sample)

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

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