MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86d5abd5dde21acd62a1bab766359b07b8056ab5ff2fcf7fe7043500725064fd. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 86d5abd5dde21acd62a1bab766359b07b8056ab5ff2fcf7fe7043500725064fd
SHA3-384 hash: 14ca8253bcdaa05c1482f3267956d7bfa77ede3e810f50dd5657fda39211c505a959d034229d80d1360b31fdb5817f51
SHA1 hash: b695e43c8942900c08afbd1d63620ab532dbd266
MD5 hash: dc1d9afe311d448372c8d57861257e49
humanhash: sierra-alabama-alanine-july
File name:mipsel.uhavenobotsxd
Download: download sample
Signature Mirai
File size:132'952 bytes
First seen:2026-01-03 18:45:36 UTC
Last seen:2026-01-04 15:17:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:tCSKQ0RnBld690EKVGgwlRi4EmoM3twvGbOV8Zp3KzQbXQonjRZwE7GP/dI+i2YN:bKxnZ69jK8gt/mors7bjRbGdIIYN
TLSH T13FD3E709EF610FFBE86FCD3706AD074525CC561622B92BB67574D928F14E18B0AE3874
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 :
2
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Sends data to a server
Launching a process
Sets a written file as executable
Deletes a file
Opens a port
Changes the time when the file was created, accessed, or modified
Receives data from a server
Creating a file
Runs as daemon
Connection attempt
Changes access rights for a written file
Creating a process from a recently created file
Kills processes
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-02T23:56:00Z UTC
Last seen:
2026-01-04T01:46:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Status:
terminated
Behavior Graph:
%3 guuid=c1bbef03-1700-0000-8ddb-f4495f0d0000 pid=3423 /usr/bin/sudo guuid=dfff9905-1700-0000-8ddb-f449660d0000 pid=3430 /tmp/sample.bin guuid=c1bbef03-1700-0000-8ddb-f4495f0d0000 pid=3423->guuid=dfff9905-1700-0000-8ddb-f449660d0000 pid=3430 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 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
Terminates several processes with shell command 'killall'
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844269 Sample: mipsel.uhavenobotsxd.elf Startdate: 03/01/2026 Architecture: LINUX Score: 100 96 185.182.193.73, 10730, 11428, 11591 WORLDSTREAMNL Netherlands 2->96 98 91.108.9.68, 32002 TELEGRAMRU United Kingdom 2->98 100 16 other IPs or domains 2->100 102 Multi AV Scanner detection for submitted file 2->102 11 mipsel.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 124 Sample tries to kill multiple processes (SIGKILL) 11->124 126 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->126 14 mipsel.uhavenobotsxd.elf 11->14         started        process6 file7 88 /var/spool/cron/root, ASCII 14->88 dropped 90 /var/spool/cron/crontabs/root, ASCII 14->90 dropped 92 /root/.bashrc, ASCII 14->92 dropped 94 11 other files (10 malicious) 14->94 dropped 128 Sample tries to set files in /etc globally writable 14->128 130 Sample tries to persist itself using /etc/profile 14->130 132 Drops files in suspicious directories 14->132 134 4 other signatures 14->134 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 72 other processes 14->24 signatures8 process9 signatures10 27 sh .monitor 18->27         started        29 sh S99backup0 20->29         started        31 sh S99backup1 22->31         started        120 Sample tries to kill a massive number of system processes 24->120 122 Sample tries to kill multiple processes (SIGKILL) 24->122 33 sh S99backup2 24->33         started        35 sh S99network 24->35         started        37 sh cp 24->37         started        41 51 other processes 24->41 process11 file12 43 .monitor 27->43         started        45 S99backup0 29->45         started        47 S99backup1 31->47         started        49 S99backup2 33->49         started        51 S99network 35->51         started        78 /usr/bin/.update, ELF 37->78 dropped 106 Writes identical ELF files to multiple locations 37->106 108 Drops invisible ELF files 37->108 110 Drops files in suspicious directories 37->110 80 /var/spool/cron/crontabs/tmp.SY3Gwu, ASCII 41->80 dropped 82 /var/log/.update, ELF 41->82 dropped 84 /var/jbx/shared/.update, ELF 41->84 dropped 86 /boot/.update, ELF 41->86 dropped 112 Sample deletes itself 41->112 114 Sample tries to persist itself using cron 41->114 116 Executes the "crontab" command typically for achieving persistence 41->116 118 Terminates several processes with shell command 'killall' 41->118 53 sh crontab 41->53         started        56 sh .update 41->56         started        58 sh .update 41->58         started        signatures13 process14 signatures15 68 160 other processes 43->68 60 S99backup0 .update 45->60         started        70 101 other processes 45->70 62 S99backup1 .update 47->62         started        72 95 other processes 47->72 64 S99backup2 .update 49->64         started        74 93 other processes 49->74 66 S99network .update 51->66         started        76 89 other processes 51->76 104 Executes the "crontab" command typically for achieving persistence 53->104 process16
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-03 04:53:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Unexpected DNS network traffic destination
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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 86d5abd5dde21acd62a1bab766359b07b8056ab5ff2fcf7fe7043500725064fd

(this sample)

  
Delivery method
Distributed via web download

Comments