MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3755598aac566d4a158af06d0a191fa6ea812d1ef6af2383e7e3878c2d84c41c. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3755598aac566d4a158af06d0a191fa6ea812d1ef6af2383e7e3878c2d84c41c
SHA3-384 hash: 4c7f6ad92bb0f8df359da6209fa2b3025ea5935401ac752020e101a01491f05694cd101bd491bfde3ed3f2ef2ab987c4
SHA1 hash: 0961c635d8fb5634a76197bbe29bf7552868b319
MD5 hash: f30ebb42621d46c4a58cdee79050581e
humanhash: juliet-oscar-october-low
File name:mipsel.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:118'724 bytes
First seen:2025-11-21 23:50:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:QHMtqFNGnU5sJ+LWw6Kl6EiJ9/xb7QajYyebJAqvqXn349WdUX+shk9tSdaPsi4p:QHMtqKnU5sJMRsTh7QucqXI9IsaXPx1
TLSH T136C3F60AEFA15EFBE86FCD3746B9074421CC655612B83F763974D928F10A24B0AE3974
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 :
82
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-10010127-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Changes access rights for a written file
Opens a port
Launching a process
Sends data to a server
Sets a written file as executable
Creating a file
Changes the time when the file was created, accessed, or modified
Connection attempt
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 symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm bash lolbin mirai
Link:
https://www.filescan.io/uploads/6920fac6f96b58f0dc7fa022/reports/bab16342-dc1d-41cb-a93a-2859af13fada/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-21T22:07:00Z UTC
Last seen:
2025-11-21T23:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3755598aac566d4a158af06d0a191fa6ea812d1ef6af2383e7e3878c2d84c41c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f0a5c956-ec1d-4029-ac35-e0cbe231196a
Behavior Graph:
Download SVG
%3 guuid=f28934f1-1900-0000-a97e-69d09a0b0000 pid=2970 /usr/bin/sudo guuid=011860f3-1900-0000-a97e-69d0a10b0000 pid=2977 /tmp/sample.bin guuid=f28934f1-1900-0000-a97e-69d09a0b0000 pid=2970->guuid=011860f3-1900-0000-a97e-69d0a10b0000 pid=2977 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ecaf0d4e-f476-4289-8168-1a305ed6f5d0
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1818946
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: 1818946 Sample: mipsel.uhavenobotsxd.elf Startdate: 22/11/2025 Architecture: LINUX Score: 88 67 94.154.35.153, 33874, 6969 SELECTELRU Ukraine 2->67 69 104.29.145.253, 19296, 39003, 41030 CLOUDFLARENETUS United States 2->69 71 3 other IPs or domains 2->71 85 Multi AV Scanner detection for submitted file 2->85 10 mipsel.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 mipsel.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 mipsel.uhavenobotsxd.elf sh 17->21         started        23 mipsel.uhavenobotsxd.elf sh 17->23         started        25 mipsel.uhavenobotsxd.elf 17->25         started        27 12 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 mipsel.uhavenobotsxd.elf sh 25->38         started        40 mipsel.uhavenobotsxd.elf sh 25->40         started        42 mipsel.uhavenobotsxd.elf sh 25->42         started        44 mipsel.uhavenobotsxd.elf sh 25->44         started        89 Sample tries to kill multiple processes (SIGKILL) 27->89 46 mipsel.uhavenobotsxd.elf 27->46         started        48 10 other processes 27->48 process11 file12 63 /var/spool/cron/crontabs/tmp.DS9sOk, 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/3755598aac566d4a158af06d0a191fa6ea812d1ef6af2383e7e3878c2d84c41c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3755598aac566d4a158af06d0a191fa6ea812d1ef6af2383e7e3878c2d84c41c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-21 23:50:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g5kvtcvmkzwuufmk6bwqugi7u3vicli662xsha7h4odyylmeyqoa._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/251121-3vs74sxkav/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/87fc3e9d-febc-4a84-98ca-4e90aa709ee4
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/3755598aac566d4a158af06d0a191fa6ea812d1ef6af2383e7e3878c2d84c41c

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: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 3755598aac566d4a158af06d0a191fa6ea812d1ef6af2383e7e3878c2d84c41c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686381/
  
Delivery method
Distributed via web download

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