MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 591efb50a59c1d5fc51ac381146dd165a035d51afba5156e6ce40f065efaf9fd. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 591efb50a59c1d5fc51ac381146dd165a035d51afba5156e6ce40f065efaf9fd
SHA3-384 hash: f9bed1469594e93a1d8cd815fb590d642f322172392facd128451dddaae83a5389fbbe96abe86aa7e85381dd8799f236
SHA1 hash: 8f199be9b61091d14fb5358eee5b861a437e2fdf
MD5 hash: 3ffe6ac7c2ce44e3e5381aa7c6f3bfb6
humanhash: nebraska-friend-magazine-carolina
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:77'272 bytes
First seen:2025-08-14 15:06:33 UTC
Last seen:2025-08-14 16:18:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:R8IHq+kgs7VI83wgrzlEFSPO/hcoiisjuq5Z148y9LtBcGXUqh9+sadEO3dzzUCy:+IHq+kOQwgrBEEO/h7iF6q5v4TL05DR8
TLSH T1817302492449E110FF210B76989918CC8841A9D5D0EEB1EF31265E2DD8CFDA32DBFDD6
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) :77'272 bytes
File size (de-compressed) :225'035 bytes
Format:linux/arm
Unpacked file: 75fbfbc9c709f8a88b01c53d6af1b40b7f852dc2a5ea778a3d5ab52e2284e68c

Intelligence

File Origin
# of uploads :
3
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.29374.1554.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1d59af5-c629-42ae-b4b1-2d55ad03382c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1757159
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: 1757159 Sample: boatnet.arm7.elf Startdate: 14/08/2025 Architecture: LINUX Score: 72 24 160.250.136.71, 33120, 3778 INFOSPHERENTTPCCommunicationsIncJP unknown 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 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 7 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 36 Sample tries to kill multiple processes (SIGKILL) 15->36
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/591efb50a59c1d5fc51ac381146dd165a035d51afba5156e6ce40f065efaf9fd
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/591efb50a59c1d5fc51ac381146dd165a035d51afba5156e6ce40f065efaf9fd/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/591efb50a59c1d5fc51ac381146dd165a035d51afba5156e6ce40f065efaf9fd
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 15:07:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=leppwufftqov7ri2yoari3ormwqdlvi27osrk3tm4qhqmxx27h6q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250814-sg5zmswjz3/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cd1891b3-4d20-4e84-a62a-9120bdcad7aa
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/591efb50a59c1d5fc51ac381146dd165a035d51afba5156e6ce40f065efaf9fd

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

elf 591efb50a59c1d5fc51ac381146dd165a035d51afba5156e6ce40f065efaf9fd

(this sample)

Mirai

elf 75fbfbc9c709f8a88b01c53d6af1b40b7f852dc2a5ea778a3d5ab52e2284e68c

  
URLhaus
https://urlhaus.abuse.ch/url/3602995/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 75fbfbc9c709f8a88b01c53d6af1b40b7f852dc2a5ea778a3d5ab52e2284e68c
  
Dropping
MD5 4be4e175a893aad890d90b589257f25c
  
URLhaus
https://urlhaus.abuse.ch/url/3603871/

Comments