MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e18bd99814f17ab7e8a3f388a42e725dc8cbd7bc503b311ccd0b254d7c26d93. 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 3 File information Comments

SHA256 hash: 3e18bd99814f17ab7e8a3f388a42e725dc8cbd7bc503b311ccd0b254d7c26d93
SHA3-384 hash: e7dd4e2fd056b8ff51ef9f608cb3569a3920dcf42ba30e6d7b73d6f6fcd89fdd71875b19d60784d87d17f63b5ce0b2de
SHA1 hash: 9905da2ae6743f1e569fc56d717d8f3e4782e60f
MD5 hash: a3489f1ef7ebf8b74587838aac9b9bed
humanhash: kentucky-wolfram-west-bakerloo
File name:mipsel.uhavenobotsxd
Download: download sample
Signature Mirai
File size:136'952 bytes
First seen:2025-12-24 13:42:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:+PrNxJIBMNBrN2XuXrMdsXgUhHe/0wjAH:63JIe3rNSuXNgUdBB
TLSH T1F6D30609FF610EFBE86FCD3706E90705258C695622B83BBA7974D42CF60E14B1AD3964
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 :
66
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=c3f48d18-1a00-0000-101d-2bd5a6030000 pid=934 /usr/bin/sudo guuid=62626b1b-1a00-0000-101d-2bd5a7030000 pid=935 /tmp/sample.bin guuid=c3f48d18-1a00-0000-101d-2bd5a6030000 pid=934->guuid=62626b1b-1a00-0000-101d-2bd5a7030000 pid=935 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838837 Sample: mipsel.uhavenobotsxd.elf Startdate: 24/12/2025 Architecture: LINUX Score: 100 92 94.154.35.153, 33874, 6969 SELECTELRU Ukraine 2->92 94 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->94 96 Multi AV Scanner detection for submitted file 2->96 11 mipsel.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 104 Sample tries to kill multiple processes (SIGKILL) 11->104 106 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->106 14 mipsel.uhavenobotsxd.elf 11->14         started        process6 file7 74 /var/spool/cron/root, ASCII 14->74 dropped 76 /var/spool/cron/crontabs/root, ASCII 14->76 dropped 78 /root/.bashrc, ASCII 14->78 dropped 80 11 other files (10 malicious) 14->80 dropped 108 Sample tries to set files in /etc globally writable 14->108 110 Sample tries to persist itself using /etc/profile 14->110 112 Drops files in suspicious directories 14->112 114 4 other signatures 14->114 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 21 other processes 14->24 signatures8 process9 process10 26 sh S99backup0 18->26         started        28 sh S99backup2 20->28         started        30 sh cp 22->30         started        34 sh S99backup1 24->34         started        36 sh S99network 24->36         started        38 sh .monitor 24->38         started        40 16 other processes 24->40 file11 42 S99backup0 26->42         started        44 S99backup2 28->44         started        82 /usr/bin/.update, ELF 30->82 dropped 116 Writes identical ELF files to multiple locations 30->116 118 Drops invisible ELF files 30->118 120 Drops files in suspicious directories 30->120 46 S99backup1 34->46         started        48 S99network 36->48         started        50 .monitor 38->50         started        84 /var/spool/cron/crontabs/tmp.AgbsGN, ASCII 40->84 dropped 86 /var/log/.update, ELF 40->86 dropped 88 /var/jbx/shared/.update, ELF 40->88 dropped 90 /boot/.update, ELF 40->90 dropped 122 Sample deletes itself 40->122 124 Sample tries to persist itself using cron 40->124 126 Executes the "crontab" command typically for achieving persistence 40->126 128 Terminates several processes with shell command 'killall' 40->128 52 sh crontab 40->52         started        signatures12 process13 signatures14 55 S99backup0 .update 42->55         started        58 S99backup0 .update 42->58         started        64 4 other processes 42->64 60 S99backup2 .update 44->60         started        66 5 other processes 44->66 62 S99backup1 .update 46->62         started        68 5 other processes 46->68 70 4 other processes 48->70 72 4 other processes 50->72 98 Executes the "crontab" command typically for achieving persistence 52->98 process15 signatures16 100 Sample tries to kill multiple processes (SIGKILL) 55->100 102 Sample reads /proc/mounts (often used for finding a writable filesystem) 55->102
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-24 13:43:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery persistence
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
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
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:unixredflags3
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 3e18bd99814f17ab7e8a3f388a42e725dc8cbd7bc503b311ccd0b254d7c26d93

(this sample)

  
Delivery method
Distributed via web download

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