MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cbb8331f5387b638ac0dcc8d5c75a95c85c36829651f0943cd7b5d874c51b4e. 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: 6


Intelligence 6 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6cbb8331f5387b638ac0dcc8d5c75a95c85c36829651f0943cd7b5d874c51b4e
SHA3-384 hash: 86e4baef84380be9e5d9933614bc76e75aae655662f66e044808e624f586460bdf1ad55033046e5f9c52952ad1399c18
SHA1 hash: 85408120be040ec04de189fa7feb75197cec8bd8
MD5 hash: 5deee7c9ff907aa242aa066f44e17a9a
humanhash: pizza-march-march-illinois
File name:vlxx.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:397'360 bytes
First seen:2026-08-10 05:36:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:ihlYa9szsODsj3JsjdFEsvQUzZVJk1dj4WAsgHd0g3SIG:ihlYa9sIOUsjX5nWJR00
TLSH T1EA840C98B5F2E2CAD1D4EAB5F319784D37530776B1D73146A50EDA3322EF18809BDA20
telfhash t19701f1622cf265f0c2ea4212524b31311e7f5d2dfbdc30930a97104c5d56a418ae3c3a
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32144.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Manages services
Launching a process
Runs as daemon
Opens a port
Creates or modifies symbolic links
Creating a file
Creating a file in the %temp% subdirectories
Creating a file in the %temp% directory
Sets a written file as executable
Collects information on the CPU
Connection attempt
Receives data from a server
Changes access rights for a written file
Kills processes
Changes the time when the file was created, accessed, or modified
Creates directories
Sends data to a server
DNS request
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Traces processes
Substitutes an application name
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64 masquerade rust
Link:
https://www.filescan.io/uploads/6a7963ab65efa12ae63a28bf/reports/556e65b8-44e4-45a6-9d9c-83c0032c1bae/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2f925f55-c316-4251-88a6-f5254364007d
Behavior Graph:
Download SVG
%3 guuid=b31cbb3a-1a00-0000-c5c9-bd0a16090000 pid=2326 /usr/bin/sudo guuid=07fe553d-1a00-0000-c5c9-bd0a19090000 pid=2329 /tmp/sample.bin guuid=b31cbb3a-1a00-0000-c5c9-bd0a16090000 pid=2326->guuid=07fe553d-1a00-0000-c5c9-bd0a19090000 pid=2329 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a6ddb000-11a2-4f67-89a3-6b3d0e456cf7
Result
Threat name:
DirtyFrag, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1954798
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Attempts to enable/disable Ctrl-Alt-Delete system rebooting
Drops files in suspicious directories
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Uses TOR for connection hidding
Writes identical ELF files to multiple locations
Yara detected DirtyFrag
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6cbb8331f5387b638ac0dcc8d5c75a95c85c36829651f0943cd7b5d874c51b4e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6cbb8331f5387b638ac0dcc8d5c75a95c85c36829651f0943cd7b5d874c51b4e/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ns5ygmpvhb5whcwa3tenlr22sxefynucszi7bfb42625q5gfdnha._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260810-gbv2pssarf/
Behaviour
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Creates a desktop entry file
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Modifies init.d
Modifies rc script
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Executes dropped EXE
Modifies Watchdog functionality
Traces itself
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/6cbb8331f5387b638ac0dcc8d5c75a95c85c36829651f0943cd7b5d874c51b4e

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
Create hunting rule
Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:EXPL_LNX_DirtyFrag_ForensicArtefacts_May26
Create hunting rule
Author:Florian Roth
Description:Detects DirtyFrag exploit code POC usage in Linux environments
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_ipv6_variants_catcher
Create hunting rule
Author:@_lubiedo
Description:Find IPv6 capable malware for a set of IoT variants
Rule name:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 6cbb8331f5387b638ac0dcc8d5c75a95c85c36829651f0943cd7b5d874c51b4e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3900524/
  
Delivery method
Distributed via web download

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