MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 122100a11ee0c4d3508dd7d091c3ed462e918b9aa0e725fb2a8228ad87c0c785. 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 4 File information Comments

SHA256 hash: 122100a11ee0c4d3508dd7d091c3ed462e918b9aa0e725fb2a8228ad87c0c785
SHA3-384 hash: 859d57a9fe11d746a58589d63c67cf898b84aa719d463135eecce8614a23e2644d123707aba2ea4ce4400b793ebacc9d
SHA1 hash: 0b6ec158128527d194a59fcbab0e08c17d8d876c
MD5 hash: 5fdb2e292411d08cba9198e8ecc33fa2
humanhash: lithium-cat-earth-cola
File name:arm7.uhavenobotsxd
Download: download sample
Signature Mirai
File size:127'764 bytes
First seen:2025-11-25 04:03:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:oCn1Z6EA+yA1asKlUoox4aTFdq9ork1dm6faT8zWau2qQI/H:oCnHTAQ39fx4aTFdq9owm6/zju2DGH
TLSH T1F2C33A16B9919F01D4D735BAFB9E414933136FF8D3FA31029D20AF61238A99B0F7A512
telfhash t134f0ab3ad519269ca788e49c34db911eaaec316b0f2d3adb84dc4a0f52231ac301c80a
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Sends data to a server
Launching a process
Attempts to kill processes by name
Sets a written file as executable
Deletes a file
Changes the time when the file was created, accessed, or modified
Opens a port
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc mirai rust
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
194
Number of processes launched:
104
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 94.154.35.153:6969
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-25T02:17:00Z UTC
Last seen:
2025-11-25T03:07:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=fc45a0f2-1600-0000-6ee5-3823610e0000 pid=3681 /usr/bin/sudo guuid=22ad9df4-1600-0000-6ee5-3823660e0000 pid=3686 /tmp/sample.bin guuid=fc45a0f2-1600-0000-6ee5-3823610e0000 pid=3681->guuid=22ad9df4-1600-0000-6ee5-3823660e0000 pid=3686 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: 1820266 Sample: arm7.uhavenobotsxd.elf Startdate: 25/11/2025 Architecture: LINUX Score: 100 87 185.56.65.167, 61456 T2OE-EUNL Netherlands 2->87 89 94.154.35.153, 59726, 6969 SELECTELRU Ukraine 2->89 91 6 other IPs or domains 2->91 93 Multi AV Scanner detection for submitted file 2->93 11 arm7.uhavenobotsxd.elf 2->11         started        14 unknown arm7.uhavenobotsxd.elf 2->14         started        16 dash rm 2->16         started        18 dash rm 2->18         started        signatures3 process4 signatures5 119 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->119 20 arm7.uhavenobotsxd.elf 11->20         started        process6 file7 79 /var/spool/cron/root, ASCII 20->79 dropped 81 /var/spool/cron/crontabs/root, ASCII 20->81 dropped 83 /root/.bashrc, ASCII 20->83 dropped 85 7 other files (6 malicious) 20->85 dropped 109 Sample tries to set files in /etc globally writable 20->109 111 Sample tries to persist itself using /etc/profile 20->111 113 Drops files in suspicious directories 20->113 115 4 other signatures 20->115 24 arm7.uhavenobotsxd.elf sh 20->24         started        26 arm7.uhavenobotsxd.elf sh 20->26         started        28 arm7.uhavenobotsxd.elf sh 20->28         started        30 25 other processes 20->30 signatures8 process9 signatures10 33 sh S99network 24->33         started        35 sh cp 26->35         started        39 sh crontab 28->39         started        41 sh 28->41         started        123 Sample tries to kill multiple processes (SIGKILL) 30->123 43 sh cp 30->43         started        45 sh rm 30->45         started        47 sh killall 30->47         started        49 23 other processes 30->49 process11 file12 51 S99network 33->51         started        73 /usr/bin/.update, ELF 35->73 dropped 95 Writes identical ELF files to multiple locations 35->95 97 Drops invisible ELF files 35->97 99 Drops files in suspicious directories 35->99 75 /var/spool/cron/crontabs/tmp.KLlizi, ASCII 39->75 dropped 101 Sample tries to persist itself using cron 39->101 103 Executes the "crontab" command typically for achieving persistence 39->103 53 sh crontab 41->53         started        77 /boot/.update, ELF 43->77 dropped 105 Sample deletes itself 45->105 107 Terminates several processes with shell command 'killall' 47->107 56 .monitor 49->56         started        58 sh arm7.uhavenobotsxd.elf 49->58         started        signatures13 process14 signatures15 60 S99network arm7.uhavenobotsxd.elf 51->60         started        63 S99network arm7.uhavenobotsxd.elf 51->63         started        65 S99network arm7.uhavenobotsxd.elf 51->65         started        71 57 other processes 51->71 117 Executes the "crontab" command typically for achieving persistence 53->117 67 .monitor arm7.uhavenobotsxd.elf 56->67         started        69 .monitor sleep 56->69         started        process16 signatures17 121 Sample reads /proc/mounts (often used for finding a writable filesystem) 60->121
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-25 04:18:04 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
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
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:Linux_Generic_Threat_8299c877
Author:Elastic Security
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 122100a11ee0c4d3508dd7d091c3ed462e918b9aa0e725fb2a8228ad87c0c785

(this sample)

  
Delivery method
Distributed via web download

Comments