MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 598d83aaf29a3d476293856bc244184690c428753aa3ece616d13224edda013f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 598d83aaf29a3d476293856bc244184690c428753aa3ece616d13224edda013f
SHA3-384 hash: 503195d4a788805ac314f52360e8eeb87198894345d3f97b458abaa85d613b05d8fa029ca8926819d120f916be5b76d6
SHA1 hash: e1fd0a477b478ed9ebb2b432ec0432cd6c58959e
MD5 hash: 0e8f8f371710f06f4aa307431774a4a7
humanhash: violet-sink-nevada-table
File name:arm7.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:133'680 bytes
First seen:2025-12-24 11:49:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:6pYnIkt4jnN1177Ma1uauzAVC+Lg84/7EizrYuwJEb:6pYnIyex4a1RuzAVC+s84jzEuwJEb
TLSH T153D33B56B9919F11D4C731FAFB5E414933136FB8D3FA71029D206F61238A99B0FBA212
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
No detections
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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc mirai rust
Link:
https://www.filescan.io/uploads/694bd37ae126b9ff438fd79e/reports/098d91ed-db6a-4f9d-87a4-705ed0194a7d/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ef305021-d7f6-4437-af93-aa9738d1877a
Behavior Graph:
Download SVG
%3 guuid=80a2726d-1600-0000-0059-cbb68b0c0000 pid=3211 /usr/bin/sudo guuid=d3068f6f-1600-0000-0059-cbb68d0c0000 pid=3213 /tmp/sample.bin guuid=80a2726d-1600-0000-0059-cbb68b0c0000 pid=3211->guuid=d3068f6f-1600-0000-0059-cbb68d0c0000 pid=3213 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f6ed96e8-5c49-4d8a-842e-3ad7b5b2af6b
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1838761
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838761 Sample: arm7.uhavenobotsxd.elf Startdate: 24/12/2025 Architecture: LINUX Score: 100 95 94.154.35.153, 38454, 6969 SELECTELRU Ukraine 2->95 97 34.254.182.186, 443, 44524 AMAZON-02US United States 2->97 113 Multi AV Scanner detection for submitted file 2->113 11 arm7.uhavenobotsxd.elf 2->11         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 process4 signatures5 129 Sample tries to kill multiple processes (SIGKILL) 11->129 131 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->131 18 arm7.uhavenobotsxd.elf 11->18         started        process6 file7 87 /var/spool/cron/root, ASCII 18->87 dropped 89 /var/spool/cron/crontabs/root, ASCII 18->89 dropped 91 /root/.bashrc, ASCII 18->91 dropped 93 7 other files (6 malicious) 18->93 dropped 115 Sample tries to set files in /etc globally writable 18->115 117 Sample tries to persist itself using /etc/profile 18->117 119 Drops files in suspicious directories 18->119 121 4 other signatures 18->121 22 arm7.uhavenobotsxd.elf sh 18->22         started        24 arm7.uhavenobotsxd.elf sh 18->24         started        26 arm7.uhavenobotsxd.elf sh 18->26         started        28 24 other processes 18->28 signatures8 process9 signatures10 31 sh S99network 22->31         started        33 sh cp 24->33         started        37 sh crontab 26->37         started        39 sh 26->39         started        133 Sample tries to kill multiple processes (SIGKILL) 28->133 41 sh cp 28->41         started        43 sh cp 28->43         started        45 sh cp 28->45         started        47 18 other processes 28->47 process11 file12 49 S99network 31->49         started        69 /usr/bin/.update, ELF 33->69 dropped 99 Writes identical ELF files to multiple locations 33->99 101 Drops invisible ELF files 33->101 103 Drops files in suspicious directories 33->103 71 /var/spool/cron/crontabs/tmp.XOrFHD, ASCII 37->71 dropped 105 Sample tries to persist itself using cron 37->105 107 Executes the "crontab" command typically for achieving persistence 37->107 51 sh crontab 39->51         started        73 /var/jbx/shared/.update, ELF 41->73 dropped 75 /var/log/.update, ELF 43->75 dropped 77 /var/.update, ELF 45->77 dropped 79 /root/.update, ELF 47->79 dropped 81 /mnt/.update, ELF 47->81 dropped 83 /media/.update, ELF 47->83 dropped 85 2 other malicious files 47->85 dropped 109 Sample deletes itself 47->109 111 Terminates several processes with shell command 'killall' 47->111 54 .monitor 47->54         started        signatures13 process14 signatures15 56 S99network arm7.uhavenobotsxd.elf 49->56         started        59 S99network arm7.uhavenobotsxd.elf 49->59         started        61 S99network arm7.uhavenobotsxd.elf 49->61         started        67 3 other processes 49->67 123 Executes the "crontab" command typically for achieving persistence 51->123 63 .monitor arm7.uhavenobotsxd.elf 54->63         started        65 .monitor sleep 54->65         started        process16 signatures17 125 Sample tries to kill multiple processes (SIGKILL) 56->125 127 Sample reads /proc/mounts (often used for finding a writable filesystem) 56->127
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/598d83aaf29a3d476293856bc244184690c428753aa3ece616d13224edda013f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/598d83aaf29a3d476293856bc244184690c428753aa3ece616d13224edda013f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/598d83aaf29a3d476293856bc244184690c428753aa3ece616d13224edda013f
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lggyhkxsti6uoyutqvv4erayi2imikdvhkr6zzqw2ezcj3o2ae7q._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/251224-nzv5yabx8a/
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/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
Link:
https://app.threat.zone/submission/e6cbe92a-c5c9-4f9e-8426-add085081165
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/598d83aaf29a3d476293856bc244184690c428753aa3ece616d13224edda013f

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:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 598d83aaf29a3d476293856bc244184690c428753aa3ece616d13224edda013f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686384/
  
Delivery method
Distributed via web download

Comments