MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b849e1b76e12bca6b1ad5bf050b4e10fd60128f27ecc1f548457a13ffa3c672. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 5b849e1b76e12bca6b1ad5bf050b4e10fd60128f27ecc1f548457a13ffa3c672
SHA3-384 hash: af223b3aaf453e6ba6304cfbb9dbdba32eefa9df4962412e44264d8782b1a3307a3bbabd738fc42038e2225c37badbac
SHA1 hash: 9a2d36db3eb7655ada04b16915f87a13dcbd9809
MD5 hash: dd01cffbce5980e2ff1447b323d56885
humanhash: connecticut-football-zulu-mirror
File name:boatnet.arm7
Download: download sample
Signature Mirai
File size:46'624 bytes
First seen:2025-12-19 09:06:41 UTC
Last seen:2025-12-19 10:22:09 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:cPchLp5iekbKRRXwU5TgNfO5PQOtc6o9q3UELgX4ezjo1GK63RrlLch5jyxYD1+:cPchVsemyRXwqgkVQSRLgJjo7i1l4C
TLSH T10D23F1E0C48FE422DB312E37B9B4684BFF5A8FD5C02A71080D16538D9BDC61AD2E6947
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) :46'624 bytes
File size (de-compressed) :129'956 bytes
Format:linux/arm
Unpacked file: be81ebd6c6166632d9c9bcca7b7b81c711ab7ab0f82559b55c39d71ac7594f24

Intelligence


File Origin
# of uploads :
3
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-19T06:13:00Z UTC
Last seen:
2025-12-19T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=0adc2fce-1a00-0000-2d9c-b79d9c090000 pid=2460 /usr/bin/sudo guuid=855d71d0-1a00-0000-2d9c-b79da4090000 pid=2468 /tmp/sample.bin guuid=0adc2fce-1a00-0000-2d9c-b79d9c090000 pid=2460->guuid=855d71d0-1a00-0000-2d9c-b79da4090000 pid=2468 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836162 Sample: boatnet.arm7.elf Startdate: 19/12/2025 Architecture: LINUX Score: 72 24 157.15.98.82, 3778, 54304, 54306 TCP-NETTCPIncJP unknown 2->24 26 34.243.160.129, 42468, 443 AMAZON-02US United States 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.arm7.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 9 other processes 2->13 signatures3 process4 process5 15 boatnet.arm7.elf 7->15         started        18 boatnet.arm7.elf 7->18         started        20 boatnet.arm7.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
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-19 09:07:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
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
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 5b849e1b76e12bca6b1ad5bf050b4e10fd60128f27ecc1f548457a13ffa3c672

(this sample)

  
Delivery method
Distributed via web download

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