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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0fb58f267cde56907dd8c626e384589c845a431d2eeaa1d316b7d4aeff71539d. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0fb58f267cde56907dd8c626e384589c845a431d2eeaa1d316b7d4aeff71539d
SHA3-384 hash: f8577de1ad2164298aaa3782c1f0a89d3feef091579cd594257d62b2369693bf939bf4dbd54b35e1df042f9adf9f5413
SHA1 hash: 6b7b7cec5ef5f9c6330a9bb448c877eed22854f4
MD5 hash: 91c7903f12554a6b7095e3e69572076f
humanhash: lemon-undress-early-nine
File name:faf89f900b3bc2ce306cbf7805cad6ce758b97084193b220e90ecb8a7acfc7a6
Download: download sample
Signature Mirai
Create hunting rule
File size:145'612 bytes
First seen:2026-09-24 07:01:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:n4A/D33lzi9B8P6we7yranFbEscdZKHm45j4XKLs8lNVS:nR/DnlW9B4kyraFbEs95jXLs8lS
TLSH T1ABE30859F880DEA2C6D02B7AFB4D438833131B79C3ED7106CD149F357AEA95A0B3A506
telfhash t108e0d85519e30ebd339b4d98c0aec53f415630e8672017738a64baef3d236d16525537
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 faf89f900b3bc2ce306cbf7805cad6ce758b97084193b220e90ecb8a7acfc7a6
File size (compressed) :63'232 bytes
File size (de-compressed) :145'612 bytes
Format:linux/arm
Packed file: faf89f900b3bc2ce306cbf7805cad6ce758b97084193b220e90ecb8a7acfc7a6

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-45.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sets a written file as executable
Receives data from a server
Manages services
Creates directories
Deletes a file
Kills processes
Changes access rights for a written file
Creating a file
Mounts file systems
Changes the time when the file was created, accessed, or modified
Opens a port
Launching a process
Runs as daemon
Sends data to a server
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6ab4cacd11bbbce7ebac9c51/reports/41ced37c-df5d-436e-80dc-3b0421dc312a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-24T05:11:00Z UTC
Last seen:
2026-09-25T18:21:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/0fb58f267cde56907dd8c626e384589c845a431d2eeaa1d316b7d4aeff71539d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9045ad56-a456-4dc6-b189-f419498b441a
Behavior Graph:
Download SVG
%3 guuid=e31c1b24-1c00-0000-abd5-75d93d0b0000 pid=2877 /usr/bin/sudo guuid=9c204429-1c00-0000-abd5-75d93e0b0000 pid=2878 /tmp/sample.bin guuid=e31c1b24-1c00-0000-abd5-75d93d0b0000 pid=2877->guuid=9c204429-1c00-0000-abd5-75d93e0b0000 pid=2878 execve
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1977333
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
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
Protects files from modification
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
Writes ELF files to hidden directories
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1977333 Sample: faf89f900b3bc2ce306cbf7805c... Startdate: 24/09/2026 Architecture: LINUX Score: 100 184 217.60.103.135, 35342, 57688, 57692 HOSTSNAP-NETWORK-HostSNAPLLCUS Switzerland 2->184 190 Antivirus detection for dropped file 2->190 192 Antivirus / Scanner detection for submitted sample 2->192 194 Multi AV Scanner detection for submitted file 2->194 196 Yara detected Mirai 2->196 14 faf89f900b3bc2ce306cbf7805cad6ce758b97084193b220e90ecb8a7acfc7a6.elf 2->14         started        16 systemd sysd 2->16         started        19 systemd sysd 2->19         started        21 51 other processes 2->21 signatures3 process4 signatures5 23 faf89f900b3bc2ce306cbf7805cad6ce758b97084193b220e90ecb8a7acfc7a6.elf 14->23         started        186 Sample tries to kill multiple processes (SIGKILL) 16->186 25 sysd 16->25         started        27 sysd 19->27         started        29 sysd 21->29         started        31 sysd 21->31         started        33 sysd 21->33         started        35 6 other processes 21->35 process6 process7 37 faf89f900b3bc2ce306cbf7805cad6ce758b97084193b220e90ecb8a7acfc7a6.elf 23->37         started        39 sysd 25->39         started        41 sysd 27->41         started        43 sysd 29->43         started        45 sysd 31->45         started        47 sysd 33->47         started        49 sysd 35->49         started        51 sysd 35->51         started        53 2 other processes 35->53 process8 55 faf89f900b3bc2ce306cbf7805cad6ce758b97084193b220e90ecb8a7acfc7a6.elf 37->55         started        59 sysd 39->59         started        61 sysd 41->61         started        63 sysd 43->63         started        65 sysd 45->65         started        67 sysd 47->67         started        69 sysd 49->69         started        71 sysd 51->71         started        73 2 other processes 53->73 file9 172 /etc/rc.local, POSIX 55->172 dropped 174 /etc/init.d/system-service, POSIX 55->174 dropped 198 Sample tries to kill multiple processes (SIGKILL) 55->198 200 Sample tries to set files in /etc globally writable 55->200 202 Writes ELF files to hidden directories 55->202 206 2 other signatures 55->206 75 10 other processes 55->75 204 Sample deletes itself 59->204 78 7 other processes 59->78 176 /var/tmp/.cache/sysd, ELF 61->176 dropped 178 /etc/systemd/system/system-service.service, ASCII 61->178 dropped 81 7 other processes 61->81 83 7 other processes 63->83 85 7 other processes 65->85 87 7 other processes 67->87 89 7 other processes 69->89 91 7 other processes 71->91 93 14 other processes 73->93 signatures10 process11 file12 95 7 other processes 75->95 180 /etc/profile, ASCII 78->180 dropped 208 Sample tries to persist itself using /etc/profile 78->208 99 23 other processes 78->99 182 /root/.bashrc, ASCII 81->182 dropped 210 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 81->210 101 15 other processes 81->101 103 16 other processes 83->103 105 16 other processes 85->105 107 15 other processes 87->107 109 4 other processes 89->109 111 4 other processes 91->111 212 Sample reads /proc/mounts (often used for finding a writable filesystem) 93->212 113 8 other processes 93->113 signatures13 process14 file15 170 /var/spool/cron/crontabs/tmp.NMjQb0, ASCII 95->170 dropped 214 Sample tries to persist itself using cron 95->214 216 Sample tries to persist itself using System V runlevels 95->216 129 2 other processes 95->129 218 Protects files from modification 99->218 115 systemctl systemd-sysv-install 99->115         started        117 systemctl systemd-sysv-install 101->117         started        119 systemctl systemd-sysv-install 103->119         started        121 systemctl systemd-sysv-install 105->121         started        123 systemctl systemd-sysv-install 107->123         started        125 systemctl systemd-sysv-install 109->125         started        127 systemctl systemd-sysv-install 111->127         started        220 Executes the "crontab" command typically for achieving persistence 113->220 132 2 other processes 113->132 signatures16 process17 signatures18 136 3 other processes 115->136 138 3 other processes 117->138 140 3 other processes 119->140 142 3 other processes 121->142 144 3 other processes 123->144 134 systemd-sysv-install update-rc.d 125->134         started        146 2 other processes 125->146 148 3 other processes 127->148 188 Executes the "crontab" command typically for achieving persistence 129->188 150 6 other processes 132->150 process19 process20 152 update-rc.d systemctl 134->152         started        156 2 other processes 136->156 158 2 other processes 138->158 160 2 other processes 140->160 162 2 other processes 142->162 164 2 other processes 144->164 154 update-rc.d systemctl 146->154         started        166 2 other processes 148->166 168 4 other processes 150->168
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/0fb58f267cde56907dd8c626e384589c845a431d2eeaa1d316b7d4aeff71539d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0fb58f267cde56907dd8c626e384589c845a431d2eeaa1d316b7d4aeff71539d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-09-24 07:01:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=b62y6jt43zlja7oyyytohbcytscfuqy5f3vkduyww7kk573rkooq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260924-htecca1tdx/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
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 init.d
Modifies rc script
Modifies systemd
Modifies the /etc/hosts DNS resolution file
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/0fb58f267cde56907dd8c626e384589c845a431d2eeaa1d316b7d4aeff71539d

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:test_rule_vldslv
Create hunting rule
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
Rule name:virustotal
Create hunting rule
Author:Tracel

File information

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

Web download

Mirai

elf faf89f900b3bc2ce306cbf7805cad6ce758b97084193b220e90ecb8a7acfc7a6

Mirai

elf 0fb58f267cde56907dd8c626e384589c845a431d2eeaa1d316b7d4aeff71539d

(this sample)

  
Dropped by
SHA256 faf89f900b3bc2ce306cbf7805cad6ce758b97084193b220e90ecb8a7acfc7a6
  
Dropped by
MD5 7f397a89479974d7cd56721d75030c0d
  
URLhaus
https://urlhaus.abuse.ch/url/3921984/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3921991/

Comments