MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37b145181599d6152f05e7941d46bcebb573cbf384aeaaa78a0733f3c5de1712. 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 3 File information Comments

SHA256 hash: 37b145181599d6152f05e7941d46bcebb573cbf384aeaaa78a0733f3c5de1712
SHA3-384 hash: edfeffec302db888bfe28cf9d37ec47bd96baca95a4926af100dc3afd77d8a8617998846d77c85fc9d21a30919cc6708
SHA1 hash: 41416a356aeb7f237bbf774afd4c306453876141
MD5 hash: 17ca08bbf1a987d251a08b8b639b682d
humanhash: mountain-golf-tango-georgia
File name:boatnet.arm7
Download: download sample
Signature Mirai
File size:61'076 bytes
First seen:2026-01-18 19:35:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:tFkr/9IZaF385Fg3nDbVvTmLZMfmsTdfSAUfZTXz:toK8Fs3g3n/VbmLZ4dTdqAi9z
TLSH T16B5301C075E6B9BED5302532D1A38056F2274CFC84FB2DD166D0E16878F85A32AC9AD7
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 gafgyt mirai UPX
File size (compressed) :61'076 bytes
File size (de-compressed) :169'830 bytes
Format:linux/arm
Unpacked file: 390b4b9992762f142380db6f2236d2107d6db7a485694003d7d57aab9730aa7f

Intelligence


File Origin
# of uploads :
1
# of downloads :
30
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai packed upx
Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=777df88f-1b00-0000-0976-d27c060d0000 pid=3334 /usr/bin/sudo guuid=8ae0d992-1b00-0000-0976-d27c0e0d0000 pid=3342 /tmp/sample.bin guuid=777df88f-1b00-0000-0976-d27c060d0000 pid=3334->guuid=8ae0d992-1b00-0000-0976-d27c0e0d0000 pid=3342 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852996 Sample: boatnet.arm7.elf Startdate: 18/01/2026 Architecture: LINUX Score: 80 38 169.254.169.254, 80 USDOSUS Reserved 2->38 40 64.89.163.39, 3778, 80 DIXIE-NETUS United States 2->40 42 daisy.ubuntu.com 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Mirai 2->48 50 Sample is packed with UPX 2->50 10 boatnet.arm7.elf 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 7 other processes 2->16 signatures3 process4 process5 18 boatnet.arm7.elf 10->18         started        22 boatnet.arm7.elf 10->22         started        24 boatnet.arm7.elf 10->24         started        26 wrapper-2.0 xfpm-power-backlight-helper 12->26         started        file6 36 /etc/cron.d/e2scrub_all, ASCII 18->36 dropped 52 Sample deletes itself 18->52 54 Sample tries to persist itself using cron 18->54 28 boatnet.arm7.elf sh 18->28         started        56 Sample tries to kill multiple processes (SIGKILL) 22->56 signatures7 process8 process9 30 sh 28->30         started        process10 32 sh sleep 30->32         started        34 sh wget 30->34         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-01-18 19:16:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd antivm botnet defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Checks CPU configuration
Creates a large amount of network flows
Creates/modifies Cron job
Enumerates running processes
Writes file to system bin folder
File and Directory Permissions Modification
Deletes itself
Executes dropped EXE
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 37b145181599d6152f05e7941d46bcebb573cbf384aeaaa78a0733f3c5de1712

(this sample)

  
Delivery method
Distributed via web download

Comments