MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b5ac945856ed5aa85f20107d4248a35714792bdb99d166b74b47b0891cd0d05. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b5ac945856ed5aa85f20107d4248a35714792bdb99d166b74b47b0891cd0d05
SHA3-384 hash: a299cd7cc52724f29fbcf50af6b8af8c216a577d8c1557cc4ee46c646f9db8108ab9b2aa2769c79e3b9e2aa17f691f43
SHA1 hash: 2966f04fa84e58c03aa52548fe103fb4dae26d0a
MD5 hash: 85e2c48c9a244ab951ecbb1b7dd148df
humanhash: bluebird-emma-equal-uniform
File name:boatnet.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:42'296 bytes
First seen:2025-08-19 02:14:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:4cNv9/TfId8skeGgrxLwJR3e52fdy3odPzjN2JXtPfECAZLaoJOIxnbcuyD7UoQi:racNg9S37toJBETmunouy8oyXE
TLSH T1F8130270D9F7E30DE9B840BD61AF701DCD88C40CA386C66A57EC317D8999D7A16387A2
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
File size (compressed) :42'296 bytes
File size (de-compressed) :115'048 bytes
Format:linux/i386
Unpacked file: 217ed4cbda53d183eb8650a44c1dc5d071a8cc4757eeaeccb72148322f4ae8d0

Intelligence

File Origin
# of uploads :
1
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9294cb63-432a-4a38-87e6-6a7668080027
Behavior Graph:
Download SVG
%3 guuid=7c595d15-1800-0000-05ff-b634890c0000 pid=3209 /usr/bin/sudo guuid=8c2efb18-1800-0000-05ff-b6348a0c0000 pid=3210 /tmp/sample.bin net guuid=7c595d15-1800-0000-05ff-b634890c0000 pid=3209->guuid=8c2efb18-1800-0000-05ff-b6348a0c0000 pid=3210 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=8c2efb18-1800-0000-05ff-b6348a0c0000 pid=3210->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c515f519-1800-0000-05ff-b6348b0c0000 pid=3211 /tmp/sample.bin zombie guuid=8c2efb18-1800-0000-05ff-b6348a0c0000 pid=3210->guuid=c515f519-1800-0000-05ff-b6348b0c0000 pid=3211 clone guuid=3f9a081a-1800-0000-05ff-b6348c0c0000 pid=3212 /tmp/sample.bin guuid=8c2efb18-1800-0000-05ff-b6348a0c0000 pid=3210->guuid=3f9a081a-1800-0000-05ff-b6348c0c0000 pid=3212 clone guuid=fa42111a-1800-0000-05ff-b6348d0c0000 pid=3213 /tmp/sample.bin net send-data zombie guuid=8c2efb18-1800-0000-05ff-b6348a0c0000 pid=3210->guuid=fa42111a-1800-0000-05ff-b6348d0c0000 pid=3213 clone guuid=fa42111a-1800-0000-05ff-b6348d0c0000 pid=3213->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 3689577d-053d-55fe-8eb3-83de1ecc9462 87.248.130.35:3778 guuid=fa42111a-1800-0000-05ff-b6348d0c0000 pid=3213->3689577d-053d-55fe-8eb3-83de1ecc9462 send: 10B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5f729c06-4cfa-49da-8967-a77be6d2c8ac
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1759766
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1759766 Sample: boatnet.x86.elf Startdate: 19/08/2025 Architecture: LINUX Score: 72 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 87.248.130.35, 3778 CWM-ASIR Iran (ISLAMIC Republic Of) 2->26 28 daisy.ubuntu.com 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 7 boatnet.x86.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 7 other processes 2->13 signatures3 process4 process5 15 boatnet.x86.elf 7->15         started        18 boatnet.x86.elf 7->18         started        20 boatnet.x86.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5b5ac945856ed5aa85f20107d4248a35714792bdb99d166b74b47b0891cd0d05
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5b5ac945856ed5aa85f20107d4248a35714792bdb99d166b74b47b0891cd0d05/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-17 18:14:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lnnmsrmfn3k2vbpsaed5ijekgvyupev5xgorm23uwr5qreonbucq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux rootkit upx
Link:
https://tria.ge/reports/250819-cpdx5azjw7/
Behaviour
Loads a kernel module
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5dc4c044-6aa9-490e-9c9b-4da5bf4d1626
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/5b5ac945856ed5aa85f20107d4248a35714792bdb99d166b74b47b0891cd0d05

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

sh f41e6de59989e2c6ed117b87578e0af3aaa5aaad2ef47a6e054f591b0c166d6d

Mirai

elf 5b5ac945856ed5aa85f20107d4248a35714792bdb99d166b74b47b0891cd0d05

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3606343/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3606379/
  
Dropped by
SHA256 f41e6de59989e2c6ed117b87578e0af3aaa5aaad2ef47a6e054f591b0c166d6d
  
Dropped by
MD5 a45649aa9691bd169c078330a0303cc8
  
URLhaus
https://urlhaus.abuse.ch/url/3606377/
  
URLhaus
https://urlhaus.abuse.ch/url/3606389/

Comments