MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf2f4e207fff4e2c8d5c0af99fe91750e3cf7c8d8cc425116a99bfede80097a3. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf2f4e207fff4e2c8d5c0af99fe91750e3cf7c8d8cc425116a99bfede80097a3
SHA3-384 hash: 30a326c5e614725d854e7c5cbbb99159a57aa56075fe37a3a770e74b1d560e1f950a97f0b107d0e9a81b4876e36efe4c
SHA1 hash: da87e89a731029d0ec0071572a89a8be2733b05a
MD5 hash: e5dfcbc3262f252d858bd5b73cae30ff
humanhash: burger-beer-october-louisiana
File name:powerpc.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:99'636 bytes
First seen:2025-11-23 21:38:27 UTC
Last seen:2025-11-24 13:55:25 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:XY/XpCOelqQrkbzU6mrP3Ag/8vRgzBgMbGynhv0ajTSazXh78LHBem0R:XcpVpb9msgEaFhnV0Faz3R
TLSH T1C8A36D01B31C0B03D1636EB06F3F37C6D7AAAA9112F4A649151FBA45D0B6E325187EDD
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
136
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Trojan.Mirai-10010119-0
Create hunting rule

Unix.Trojan.Mirai-10010127-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Deletes a file
Receives data from a server
Attempts to kill processes by name
Opens a port
Deleting a recently created file
Sends data to a server
Launching a process
Connection attempt
Sets a written file as executable
Creating a file
Changes access rights for a written file
Runs as daemon
Creating a process from a recently created file
Kills processes
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/69237f04f96b58f0dc810c1d/reports/2ecfd563-e10e-4622-962d-8b8200e1c044/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-23T20:27:00Z UTC
Last seen:
2025-11-23T20:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bf2f4e207fff4e2c8d5c0af99fe91750e3cf7c8d8cc425116a99bfede80097a3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/78d33665-fdf9-4a34-b4c1-651c9915bad6
Behavior Graph:
Download SVG
%3 guuid=0ec88604-1900-0000-0f03-0af736140000 pid=5174 /usr/bin/sudo guuid=948ff906-1900-0000-0f03-0af748140000 pid=5192 /tmp/sample.bin guuid=0ec88604-1900-0000-0f03-0af736140000 pid=5174->guuid=948ff906-1900-0000-0f03-0af748140000 pid=5192 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/47445191-528a-408d-971f-73694c893afc
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1819665
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Terminates several processes with shell command 'killall'
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819665 Sample: powerpc.uhavenobotsxd.elf Startdate: 23/11/2025 Architecture: LINUX Score: 100 101 94.154.35.153, 59740, 6969 SELECTELRU Ukraine 2->101 103 109.202.202.202, 80 INIT7CH Switzerland 2->103 105 3 other IPs or domains 2->105 109 Multi AV Scanner detection for submitted file 2->109 11 powerpc.uhavenobotsxd.elf 2->11         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 process4 signatures5 137 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->137 18 powerpc.uhavenobotsxd.elf 11->18         started        process6 file7 83 /var/spool/cron/root, ASCII 18->83 dropped 85 /var/spool/cron/crontabs/root, ASCII 18->85 dropped 87 /root/.bashrc, ASCII 18->87 dropped 89 11 other files (10 malicious) 18->89 dropped 111 Sample tries to set files in /etc globally writable 18->111 113 Sample tries to persist itself using /etc/profile 18->113 115 Drops files in suspicious directories 18->115 117 4 other signatures 18->117 22 powerpc.uhavenobotsxd.elf sh 18->22         started        24 powerpc.uhavenobotsxd.elf sh 18->24         started        26 powerpc.uhavenobotsxd.elf sh 18->26         started        28 26 other processes 18->28 signatures8 process9 signatures10 31 sh S99backup0 22->31         started        33 sh S99backup2 24->33         started        35 sh S99network 26->35         started        139 Sample tries to kill multiple processes (SIGKILL) 28->139 37 sh S99backup1 28->37         started        39 sh cp 28->39         started        43 sh crontab 28->43         started        45 24 other processes 28->45 process11 file12 47 S99backup0 31->47         started        49 S99backup2 33->49         started        51 S99network 35->51         started        53 S99backup1 37->53         started        91 /usr/bin/.update, ELF 39->91 dropped 119 Writes identical ELF files to multiple locations 39->119 121 Drops invisible ELF files 39->121 123 Drops files in suspicious directories 39->123 93 /var/spool/cron/crontabs/tmp.4nTh8b, ASCII 43->93 dropped 125 Sample tries to persist itself using cron 43->125 127 Executes the "crontab" command typically for achieving persistence 43->127 95 /var/log/.update, ELF 45->95 dropped 97 /var/jbx/shared/.update, ELF 45->97 dropped 99 /boot/.update, ELF 45->99 dropped 129 Sample deletes itself 45->129 131 Terminates several processes with shell command 'killall' 45->131 55 .monitor 45->55         started        57 sh .update 45->57         started        60 sh .update 45->60         started        62 2 other processes 45->62 signatures13 process14 signatures15 64 S99backup0 .update 47->64         started        73 37 other processes 47->73 67 S99backup2 .update 49->67         started        75 29 other processes 49->75 69 S99network .update 51->69         started        77 27 other processes 51->77 71 S99backup1 .update 53->71         started        79 31 other processes 53->79 81 2 other processes 55->81 133 Sample reads /proc/mounts (often used for finding a writable filesystem) 57->133 135 Executes the "crontab" command typically for achieving persistence 62->135 process16 signatures17 107 Sample reads /proc/mounts (often used for finding a writable filesystem) 64->107
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf2f4e207fff4e2c8d5c0af99fe91750e3cf7c8d8cc425116a99bfede80097a3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf2f4e207fff4e2c8d5c0af99fe91750e3cf7c8d8cc425116a99bfede80097a3/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 21:39:19 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4xu4id775hczdk4bl4z72ixkdr467enrtcckelktg7632aas6rq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251123-1hrgmssqg1/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/6f3ddc75-4035-477f-8963-abecef74e515
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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

sh 3788033e840a4e3da0b8187b329f7136e6116c3994616aca3e673f9da8ab3ffb

Mirai

elf bf2f4e207fff4e2c8d5c0af99fe91750e3cf7c8d8cc425116a99bfede80097a3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686380/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 3788033e840a4e3da0b8187b329f7136e6116c3994616aca3e673f9da8ab3ffb
  
Dropped by
MD5 4d2a9207479855ae70b055f8a69b2371
  
URLhaus
https://urlhaus.abuse.ch/url/3685103/

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