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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb38fcb3262398a407abad739fb333762e65bedd2b4cf867eff774b3fb7756bc. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb38fcb3262398a407abad739fb333762e65bedd2b4cf867eff774b3fb7756bc
SHA3-384 hash: 7fcb1105c7fe7e2bff9d9ec046a4f7782cfeadb05366c76da06308fe460f9c2d072d959151c6bcfba27d831e31483ee6
SHA1 hash: 394fec6a7c5e3a62f9c62eff8446433a64f41914
MD5 hash: ed12ee408b0d4f5549e6a596a331881b
humanhash: william-bulldog-spaghetti-river
File name:pid.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:401'012 bytes
First seen:2026-10-18 06:06:22 UTC
Last seen:2026-10-18 12:08:19 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:MFSK4KlgzaHom5bG/egpSBbKmZKHts8MwHBhEwFf79hmKkvgF7a9f:24uFHomYmgpQex7zbVa9f
TLSH T1E1840A88E1F0E7DED2D4AA75B31D790E3B230735F1D73146A51AAA3323EB1490ABD911
telfhash t1ccf05ca0db1d28a9e777f4c167e97d0878ba568afd3514020e419a9db8830c264f3c17
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-44.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the CPU
Creating a file in the %temp% subdirectories
Sends data to a server
Creates directories
Opens a port
Receives data from a server
Changes access rights for a written file
Connection attempt
Kills processes
Creating a file in the %temp% directory
Creating a file
DNS request
Changes the time when the file was created, accessed, or modified
Runs as daemon
Sets a written file as executable
Manages services
Creates or modifies symbolic links
Launching a process
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Traces processes
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0b6a8b0e-2609-4ed4-ac8c-8e8f677e5607
Behavior Graph:
Download SVG
%3 guuid=42f5c25c-1b00-0000-f470-590fb1090000 pid=2481 /usr/bin/sudo guuid=c7595760-1b00-0000-f470-590fc0090000 pid=2496 /tmp/sample.bin guuid=42f5c25c-1b00-0000-f470-590fb1090000 pid=2481->guuid=c7595760-1b00-0000-f470-590fc0090000 pid=2496 execve
Malware family:
Ngioweb
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/33eabb18-2e77-4191-b789-a6b6b88e2dc1
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1988481
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 known network protocols on non-standard ports
Uses TOR for connection hidding
Writes identical ELF files to multiple locations
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb38fcb3262398a407abad739fb333762e65bedd2b4cf867eff774b3fb7756bc/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xm4pzmzgeomkib5lvvzz7mztoyxglpw5fngpqz7p652lh63xk26a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai antivm botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/261018-gvgcnavvhw/
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
Reads system network configuration
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates active TCP sockets
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
Unexpected DNS network traffic destination
Detects Mirai
Family: Mirai
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/bb38fcb3262398a407abad739fb333762e65bedd2b4cf867eff774b3fb7756bc

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:Detect_all_IPv6_variants
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Author:Bierchermuesli
Description:Generic IPv6 catcher
Rule name:elf_arm_mips_ko_so
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Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Packer_Dropper_Fileless_Armhf
Create hunting rule
Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Exploit_CVE_2018_10562_badc0676
Create hunting rule
Author:Elastic Security
Description:Exploit code used in the ZeroBot malware
Rule name:Linux_Exploit_CVE_2021_46422_69af1b79
Create hunting rule
Author:Elastic Security
Description:Exploit code used in the ZeroBot malware
Rule name:MIRAI_OHSHIT_payload
Create hunting rule
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
Create hunting rule
Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
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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 bb38fcb3262398a407abad739fb333762e65bedd2b4cf867eff774b3fb7756bc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3947499/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3947283/

Comments