MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5555c88764897e7db620f209f7a54eb5bc1fdd0b6a28f3630e61adb72bcf930f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5555c88764897e7db620f209f7a54eb5bc1fdd0b6a28f3630e61adb72bcf930f
SHA3-384 hash: 84fd08b441195d5d30c23453bf7dfe6f898c6c9cd31f6b56ff7be8261ad24bcad2a9b49fa157941ffebc3d993a946425
SHA1 hash: 7672fffffcab3bf2f9192d5389971fe61244e816
MD5 hash: 86f18ceec49fea69abd92fcd4d146a1d
humanhash: october-shade-oregon-august
File name:arm.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:99'632 bytes
First seen:2025-11-29 05:17:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:y2iXGoyymiooWRQktswwqS06RdknNa5up/KO72gDb4Evpv5Lemk:y2ijyzlQkt6q36RGNa5gd/6
TLSH T1E3A33C91BD51DA12C6D06277FB1E428D772713F8D3EB32038E259F31328A92A0E7B595
telfhash t14341acab9ba60eec77f8838051ce344d9efd35ed7b042476c56c5b5b81438d1712e816
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 :
116
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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/692a8215d0d5e7288b5027c9/reports/74fd96c0-3200-4b90-af69-f64cddc2f88c/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-29T02:29:00Z UTC
Last seen:
2025-11-30T23:20:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Link:
https://opentip.kaspersky.com/5555c88764897e7db620f209f7a54eb5bc1fdd0b6a28f3630e61adb72bcf930f/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3d57ffe4-3945-4595-bc26-1f78969c954d
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1822719
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'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822719 Sample: arm.uhavenobotsxd.elf Startdate: 29/11/2025 Architecture: LINUX Score: 100 83 94.154.35.153, 33890, 6969 SELECTELRU Ukraine 2->83 85 46.174.52.26, 51030, 51032, 51034 RSMEDIA-ASRU Russian Federation 2->85 87 4 other IPs or domains 2->87 89 Multi AV Scanner detection for submitted file 2->89 11 arm.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 97 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->97 14 arm.uhavenobotsxd.elf 11->14         started        process6 file7 75 /var/spool/cron/root, ASCII 14->75 dropped 77 /var/spool/cron/crontabs/root, ASCII 14->77 dropped 79 /root/.bashrc, ASCII 14->79 dropped 81 8 other files (7 malicious) 14->81 dropped 111 Sample tries to set files in /etc globally writable 14->111 113 Sample tries to persist itself using /etc/profile 14->113 115 Drops files in suspicious directories 14->115 117 4 other signatures 14->117 18 arm.uhavenobotsxd.elf sh 14->18         started        20 arm.uhavenobotsxd.elf sh 14->20         started        22 arm.uhavenobotsxd.elf sh 14->22         started        24 59 other processes 14->24 signatures8 process9 signatures10 27 sh S99network 18->27         started        29 sh crontab 20->29         started        33 sh 20->33         started        35 sh cp 22->35         started        91 Sample tries to kill a massive number of system processes 24->91 93 Sample tries to kill multiple processes (SIGKILL) 24->93 37 sh rm 24->37         started        39 sh rm 24->39         started        41 sh killall 24->41         started        43 56 other processes 24->43 process11 file12 45 S99network 27->45         started        71 /var/spool/cron/crontabs/tmp.w5pjP3, ASCII 29->71 dropped 99 Sample tries to persist itself using cron 29->99 101 Executes the "crontab" command typically for achieving persistence 29->101 47 sh crontab 33->47         started        73 /usr/bin/.update, ELF 35->73 dropped 103 Drops invisible ELF files 35->103 105 Drops files in suspicious directories 35->105 107 Sample deletes itself 37->107 109 Terminates several processes with shell command 'killall' 41->109 50 .monitor 43->50         started        52 sh .update 43->52         started        54 sh .update 43->54         started        56 sh .update 43->56         started        signatures13 process14 signatures15 58 S99network .update 45->58         started        61 S99network .update 45->61         started        63 S99network .update 45->63         started        69 67 other processes 45->69 119 Executes the "crontab" command typically for achieving persistence 47->119 65 .monitor .update 50->65         started        67 .monitor sleep 50->67         started        process16 signatures17 95 Sample reads /proc/mounts (often used for finding a writable filesystem) 58->95
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5555c88764897e7db620f209f7a54eb5bc1fdd0b6a28f3630e61adb72bcf930f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5555c88764897e7db620f209f7a54eb5bc1fdd0b6a28f3630e61adb72bcf930f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/5555c88764897e7db620f209f7a54eb5bc1fdd0b6a28f3630e61adb72bcf930f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-29 06:11:01 UTC
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kvk4rb3erf7h3nra6ie7pjkoww6b7xilniupgyyomgw3ok6psmhq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251129-fzdxnadz6d/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/386bf18e-f52a-4be7-89d1-0e32cfa5b3da
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/5555c88764897e7db620f209f7a54eb5bc1fdd0b6a28f3630e61adb72bcf930f

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_d94e1020
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 5555c88764897e7db620f209f7a54eb5bc1fdd0b6a28f3630e61adb72bcf930f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686382/
  
Delivery method
Distributed via web download

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