MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 285d7fb729e8f6b7a49e8a3eb722a1961468823c618b4ff6b9886e116135137c. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 285d7fb729e8f6b7a49e8a3eb722a1961468823c618b4ff6b9886e116135137c
SHA3-384 hash: 094e1c02f49d1ccde52fc61ee697266e518a860ce700de50cf0f9db142457d1ce6fe57a3aa7f49251a8fd26283d992b9
SHA1 hash: 179948df40162175b847eaf9703a9fcd1799b344
MD5 hash: 01bfc68107553e229a7246eefa98f7d6
humanhash: eleven-connecticut-monkey-lake
File name:arm5.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:95'444 bytes
First seen:2025-11-22 11:19:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:DrjMfufaU5Eao7iOLeFMkdOfz31kBK3RG3lDVBN1HemH:DrjMLFi2kU73iBlRdD
TLSH T1C8935C56BE81C622C6C16577FB1E528C3B2753F8D3EA32038D216F61738A91B0E7B552
telfhash t15c51b0f68e700adc6ae9430842ce11298fac35ae3b012676df6db75f41879c4712e91b
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 :
31
Origin country :
DE DE
Vendor Threat Intelligence
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:
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/49f3aabf-ba70-479d-b359-1388f1a92557
Behavior Graph:
Download SVG
%3 guuid=55238b93-1900-0000-d336-48df64140000 pid=5220 /usr/bin/sudo guuid=6c735e95-1900-0000-d336-48df65140000 pid=5221 /tmp/sample.bin guuid=55238b93-1900-0000-d336-48df64140000 pid=5220->guuid=6c735e95-1900-0000-d336-48df65140000 pid=5221 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ca77a5f8-096c-4f33-99cb-997d16850038
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1819038
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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819038 Sample: arm5.uhavenobotsxd.elf Startdate: 22/11/2025 Architecture: LINUX Score: 88 67 94.154.35.153, 59720, 6969 SELECTELRU Ukraine 2->67 69 5.8.29.2, 25565 SELECTEL-MSKRU Russian Federation 2->69 71 5 other IPs or domains 2->71 85 Multi AV Scanner detection for submitted file 2->85 10 arm5.uhavenobotsxd.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 87 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->87 17 arm5.uhavenobotsxd.elf 10->17         started        process6 file7 55 /var/spool/cron/root, ASCII 17->55 dropped 57 /var/spool/cron/crontabs/root, ASCII 17->57 dropped 59 /root/.bashrc, ASCII 17->59 dropped 61 6 other malicious files 17->61 dropped 73 Sample tries to set files in /etc globally writable 17->73 75 Sample tries to persist itself using /etc/profile 17->75 77 Drops files in suspicious directories 17->77 79 3 other signatures 17->79 21 arm5.uhavenobotsxd.elf sh 17->21         started        23 arm5.uhavenobotsxd.elf sh 17->23         started        25 arm5.uhavenobotsxd.elf 17->25         started        27 3 other processes 17->27 signatures8 process9 signatures10 30 sh crontab 21->30         started        34 sh 21->34         started        36 sh cp 23->36         started        38 arm5.uhavenobotsxd.elf sh 25->38         started        40 arm5.uhavenobotsxd.elf sh 25->40         started        42 arm5.uhavenobotsxd.elf sh 25->42         started        44 arm5.uhavenobotsxd.elf sh 25->44         started        89 Sample tries to kill multiple processes (SIGKILL) 27->89 46 arm5.uhavenobotsxd.elf 27->46         started        48 arm5.uhavenobotsxd.elf 27->48         started        process11 file12 63 /var/spool/cron/crontabs/tmp.5D6ZzF, ASCII 30->63 dropped 91 Sample tries to persist itself using cron 30->91 93 Executes the "crontab" command typically for achieving persistence 30->93 50 sh crontab 34->50         started        65 /usr/bin/.sh, ELF 36->65 dropped 95 Drops invisible ELF files 36->95 97 Drops files in suspicious directories 36->97 53 sh .sh 38->53         started        signatures13 process14 signatures15 81 Executes the "crontab" command typically for achieving persistence 50->81 83 Sample reads /proc/mounts (often used for finding a writable filesystem) 53->83
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/285d7fb729e8f6b7a49e8a3eb722a1961468823c618b4ff6b9886e116135137c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/285d7fb729e8f6b7a49e8a3eb722a1961468823c618b4ff6b9886e116135137c/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fbox7nzj5d3lpje6ri7loivbsykgrar4mgfu75vzrbxbcyjvcn6a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251122-ngs8ma1nal/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0400b4cc-d257-45e5-8598-76596f7e244f
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
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 285d7fb729e8f6b7a49e8a3eb722a1961468823c618b4ff6b9886e116135137c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686383/
  
Delivery method
Distributed via web download

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