MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55433d379fd491dac946b0e3311a3ac639745d847f43bef4de6642856c3d295f. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55433d379fd491dac946b0e3311a3ac639745d847f43bef4de6642856c3d295f
SHA3-384 hash: 7a518efb46546d15bbcf12712158969eb20e13f576e9eadd6aa2ec924dc6b275f464465509e60f429220fd8fad708223
SHA1 hash: 0171fb106a91dacc30c0c954b1a02506fe426d3e
MD5 hash: 500099ba363e02e881adc750724b5161
humanhash: burger-asparagus-twelve-hamper
File name:boatnet.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:140'524 bytes
First seen:2025-10-29 15:41:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:QF6vRz8JycCGiNdlXsE7QLdzO9OW+5aHQRT5hhB125rM:Z8kcdiNdNsE7zoKrM
TLSH T16FD36CC1F243C5F6D84304B0206AFB678F32D1B6512BF913E7B89A36DC91686951AF9C
telfhash t16451e2f9b67a0ce8abd05803e54e67317d0d7b7b285436bb06f32961363a542467bc38
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 8f0e238a567f9ca48b1c4b1a66632fc7b81677cc96cc4dc45bea2f911afede98
File size (compressed) :55'924 bytes
File size (de-compressed) :140'524 bytes
Format:linux/i386
Packed file: 8f0e238a567f9ca48b1c4b1a66632fc7b81677cc96cc4dc45bea2f911afede98

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Virus.Ladvix-10013865-0
Create hunting rule

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Deleting a recently created file
Sends data to a server
Launching a process
Manages services
Creating a file
Runs as daemon
Sets a written file as executable
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin masquerade mirai obfuscated remote threat
Link:
https://www.filescan.io/uploads/69025a5c479a4e95b80f26f4/reports/1fa8f568-e0be-424b-a06e-c58501687a9a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-30T11:19:00Z UTC
Last seen:
2025-09-21T10:12:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/55433d379fd491dac946b0e3311a3ac639745d847f43bef4de6642856c3d295f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/916f6d9f-ebd8-4c0b-b1cf-d4446ee2ab5c
Behavior Graph:
Download SVG
%3 guuid=5644ddc1-2100-0000-961b-39c5db0c0000 pid=3291 /usr/bin/sudo guuid=c4d1bac3-2100-0000-961b-39c5e20c0000 pid=3298 /tmp/sample.bin net write-config write-file guuid=5644ddc1-2100-0000-961b-39c5db0c0000 pid=3291->guuid=c4d1bac3-2100-0000-961b-39c5e20c0000 pid=3298 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c4d1bac3-2100-0000-961b-39c5e20c0000 pid=3298->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=6d03eac3-2100-0000-961b-39c5e30c0000 pid=3299 /tmp/sample.bin guuid=c4d1bac3-2100-0000-961b-39c5e20c0000 pid=3298->guuid=6d03eac3-2100-0000-961b-39c5e30c0000 pid=3299 clone guuid=05184cc4-2100-0000-961b-39c5e50c0000 pid=3301 /usr/bin/dash guuid=c4d1bac3-2100-0000-961b-39c5e20c0000 pid=3298->guuid=05184cc4-2100-0000-961b-39c5e50c0000 pid=3301 execve guuid=4ad3adc4-2100-0000-961b-39c5e80c0000 pid=3304 /usr/bin/dash guuid=c4d1bac3-2100-0000-961b-39c5e20c0000 pid=3298->guuid=4ad3adc4-2100-0000-961b-39c5e80c0000 pid=3304 execve guuid=0ac6c80f-2200-0000-961b-39c5750d0000 pid=3445 /tmp/sample.bin net send-data zombie guuid=c4d1bac3-2100-0000-961b-39c5e20c0000 pid=3298->guuid=0ac6c80f-2200-0000-961b-39c5750d0000 pid=3445 clone guuid=879277c4-2100-0000-961b-39c5e60c0000 pid=3302 /usr/bin/dash guuid=05184cc4-2100-0000-961b-39c5e50c0000 pid=3301->guuid=879277c4-2100-0000-961b-39c5e60c0000 pid=3302 clone guuid=578d7dc4-2100-0000-961b-39c5e70c0000 pid=3303 /usr/bin/dash guuid=05184cc4-2100-0000-961b-39c5e50c0000 pid=3301->guuid=578d7dc4-2100-0000-961b-39c5e70c0000 pid=3303 clone guuid=9cb6e7c4-2100-0000-961b-39c5e90c0000 pid=3305 /usr/sbin/update-rc.d guuid=4ad3adc4-2100-0000-961b-39c5e80c0000 pid=3304->guuid=9cb6e7c4-2100-0000-961b-39c5e90c0000 pid=3305 execve guuid=da7085c9-2100-0000-961b-39c5f40c0000 pid=3316 /usr/bin/systemctl guuid=9cb6e7c4-2100-0000-961b-39c5e90c0000 pid=3305->guuid=da7085c9-2100-0000-961b-39c5f40c0000 pid=3316 execve 3689577d-053d-55fe-8eb3-83de1ecc9462 87.248.130.35:3778 guuid=0ac6c80f-2200-0000-961b-39c5750d0000 pid=3445->3689577d-053d-55fe-8eb3-83de1ecc9462 send: 2B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/69e57a45-a1e8-4ce1-b091-5760b8783760
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1804507
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804507 Sample: boatnet.x86.elf Startdate: 29/10/2025 Architecture: LINUX Score: 92 46 109.202.202.202, 80 INIT7CH Switzerland 2->46 48 87.248.130.35, 3778 CWM-ASIR Iran (ISLAMIC Republic Of) 2->48 50 3 other IPs or domains 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 2 other signatures 2->58 9 boatnet.x86.elf 2->9         started        13 systemd snapd-env-generator 2->13         started        15 dash rm 2->15         started        17 dash rm 2->17         started        signatures3 process4 file5 40 /usr/bin/network, ELF 9->40 dropped 42 /etc/init.d/networkd, ASCII 9->42 dropped 62 Drops files in suspicious directories 9->62 19 boatnet.x86.elf sh 9->19         started        21 boatnet.x86.elf sh 9->21         started        23 boatnet.x86.elf 9->23         started        25 boatnet.x86.elf 9->25         started        signatures6 process7 process8 27 sh crontab 19->27         started        31 sh 19->31         started        33 sh update-rc.d 21->33         started        file9 44 /var/spool/cron/crontabs/tmp.I2p7e4, ASCII 27->44 dropped 64 Sample tries to persist itself using cron 27->64 66 Executes the "crontab" command typically for achieving persistence 27->66 35 sh crontab 31->35         started        38 update-rc.d systemctl 33->38         started        signatures10 process11 signatures12 60 Executes the "crontab" command typically for achieving persistence 35->60
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/55433d379fd491dac946b0e3311a3ac639745d847f43bef4de6642856c3d295f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/55433d379fd491dac946b0e3311a3ac639745d847f43bef4de6642856c3d295f/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-01 12:46:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kvbt2n472si5vskgwdrtcgr2yy4xixmep5b355g6mzbik3b5ffpq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/251029-wt21asaw5c/
Behaviour
Reads runtime system information
Creates/modifies Cron job
Modifies init.d
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7136013-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/66b65026-07c5-413d-b42c-9dfb8f94cfa5
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 8f0e238a567f9ca48b1c4b1a66632fc7b81677cc96cc4dc45bea2f911afede98

Mirai

elf 55433d379fd491dac946b0e3311a3ac639745d847f43bef4de6642856c3d295f

(this sample)

  
Dropped by
SHA256 8f0e238a567f9ca48b1c4b1a66632fc7b81677cc96cc4dc45bea2f911afede98
  
URLhaus
https://urlhaus.abuse.ch/url/3606343/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3606379/

Comments