MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 186fbc5c93697df7604cbdbe840439f8089302279147afa0d4eeb0aecbdc6682. 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: 186fbc5c93697df7604cbdbe840439f8089302279147afa0d4eeb0aecbdc6682
SHA3-384 hash: ee8b991e666d1d9b0dceffe32ddceb8a7ff11e02095ab90150f1ff62dbdd727ef97193f2e1b2cd4503ca3d5ebf86a58a
SHA1 hash: 1d2133927fe81b50476af77e789fa1c9994f4b79
MD5 hash: d6692667a4e5618f8ab7cbec4c4a4237
humanhash: uniform-jupiter-island-sweet
File name:mipsel.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:132'136 bytes
First seen:2025-11-23 17:23:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:zgPxu/2+dkjCGjshMXEFi8S3RUWp0plbfJ:sQO+d0CGjshMXKiV3RUW6t
TLSH T1FED3F609BF614EF7E86FCD3746E9070521CC655A22B83B767A74E82CF14A24B1AD3874
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
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

Unix.Trojan.Mirai-10017641-0
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
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
Creates or modifies symbolic links
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 files to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
android bash lolbin mirai
Link:
https://www.filescan.io/uploads/69234343eecb08e4aa45f307/reports/05e5233a-1ae2-4a21-96d9-9c2b1d61921f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/186fbc5c93697df7604cbdbe840439f8089302279147afa0d4eeb0aecbdc6682
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b6b242af-0833-434c-9350-6db958f4c642
Behavior Graph:
Download SVG
%3 guuid=5bdd7779-1c00-0000-d70d-78021b0b0000 pid=2843 /usr/bin/sudo guuid=211c2b7b-1c00-0000-d70d-78021e0b0000 pid=2846 /tmp/sample.bin guuid=5bdd7779-1c00-0000-d70d-78021b0b0000 pid=2843->guuid=211c2b7b-1c00-0000-d70d-78021e0b0000 pid=2846 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1819589
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 reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
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 identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819589 Sample: mipsel.uhavenobotsxd.elf Startdate: 23/11/2025 Architecture: LINUX Score: 100 91 94.154.35.153, 33888, 6969 SELECTELRU Ukraine 2->91 93 66.22.244.136, 40895, 50023 DIGICON-CORPUS United States 2->93 95 3 other IPs or domains 2->95 109 Multi AV Scanner detection for submitted file 2->109 11 mipsel.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 115 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->115 14 mipsel.uhavenobotsxd.elf 11->14         started        process6 file7 73 /var/spool/cron/root, ASCII 14->73 dropped 75 /var/spool/cron/crontabs/root, ASCII 14->75 dropped 77 /root/.bashrc, ASCII 14->77 dropped 79 11 other files (10 malicious) 14->79 dropped 121 Sample tries to set files in /etc globally writable 14->121 123 Sample tries to persist itself using /etc/profile 14->123 125 Drops files in suspicious directories 14->125 127 4 other signatures 14->127 18 mipsel.uhavenobotsxd.elf sh 14->18         started        20 mipsel.uhavenobotsxd.elf sh 14->20         started        22 mipsel.uhavenobotsxd.elf sh 14->22         started        24 41 other processes 14->24 signatures8 process9 signatures10 27 sh .7o308hof.sh 18->27         started        29 sh S994t24 20->29         started        31 sh crontab 22->31         started        35 sh 22->35         started        111 Sample tries to kill a massive number of system processes 24->111 113 Sample tries to kill multiple processes (SIGKILL) 24->113 37 sh cp 24->37         started        39 sh cp 24->39         started        41 sh cp 24->41         started        43 39 other processes 24->43 process11 file12 45 .7o308hof.sh v6vpu4mo 27->45         started        60 89 other processes 27->60 48 S994t24 29->48         started        50 S994t24 v6vpu4mo 29->50         started        81 /var/spool/cron/crontabs/tmp.bVagSv, ASCII 31->81 dropped 97 Sample tries to persist itself using cron 31->97 99 Executes the "crontab" command typically for achieving persistence 31->99 52 sh crontab 35->52         started        83 /usr/bin/v6vpu4mo, ELF 37->83 dropped 101 Writes identical ELF files to multiple locations 37->101 103 Drops files in suspicious directories 37->103 85 /boot/.bdc87puj, ELF 39->85 dropped 105 Drops invisible ELF files 39->105 87 /var/jbx/shared/.jiqdse22, ELF 41->87 dropped 89 /var/log/.g00pfiop, ELF 43->89 dropped 54 S99omwl .bdc87puj 43->54         started        56 S99ssoq .jiqdse22 43->56         started        58 S992hih .g00pfiop 43->58         started        62 3 other processes 43->62 signatures13 process14 signatures15 64 S994t24 v6vpu4mo 48->64         started        67 S994t24 v6vpu4mo 48->67         started        69 S994t24 v6vpu4mo 48->69         started        71 55 other processes 48->71 117 Executes the "crontab" command typically for achieving persistence 52->117 119 Sample reads /proc/mounts (often used for finding a writable filesystem) 54->119 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/186fbc5c93697df7604cbdbe840439f8089302279147afa0d4eeb0aecbdc6682
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/186fbc5c93697df7604cbdbe840439f8089302279147afa0d4eeb0aecbdc6682/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 16:33:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dbx3yxetnf67oycmxw7iibbz7aejgarhsfd27igu52yk5s64m2ba._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251123-vyvlcabj8s/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates a large amount of network flows
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f4ba4460-bff9-4ba3-8547-3e4dbfefb85f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/186fbc5c93697df7604cbdbe840439f8089302279147afa0d4eeb0aecbdc6682

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

elf 186fbc5c93697df7604cbdbe840439f8089302279147afa0d4eeb0aecbdc6682

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686381/
  
Delivery method
Distributed via web download

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