MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5369b736b133919e731813082432daeea6d5f3ffd76c0c22ad3d73f64b30e8e. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5369b736b133919e731813082432daeea6d5f3ffd76c0c22ad3d73f64b30e8e
SHA3-384 hash: 90cd7fd89125a8861c2bfc38e357d874ab3f10b4877fe5f6672e2a1cae8ed00a2f9e892d16917acf0d72e782cc24b00b
SHA1 hash: 49c2af898df55d057e1701e54ee3af805390fb17
MD5 hash: 0afc8124cb899c31cdbe32d60f4dd5ad
humanhash: diet-charlie-jupiter-fish
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:129'940 bytes
First seen:2025-07-12 06:47:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:cowpuQyNSG2eRa1styK9flTQPHo9rScVM/9OAvjik:cowpuQyNSG24a1styKdlTuI9rSmM/9nd
TLSH T15BC35B42FA418F13C0D61779B6EF42493322A79593DB73069A249FB43F8679F0E63A05
telfhash t17a211db1573a96295955de9c8aec6775062cd3062282ef33ff3184ac640004eea2ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3c8340230b57d8a58b506f8a4aa805023ccd6a27ad5513ccedf9a17d95c9b558
File size (compressed) :46'616 bytes
File size (de-compressed) :129'940 bytes
Format:linux/arm
Packed file: 3c8340230b57d8a58b506f8a4aa805023ccd6a27ad5513ccedf9a17d95c9b558

Intelligence

File Origin
# of uploads :
1
# of downloads :
14
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.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
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-9760303-0
Create hunting rule

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

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

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

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68720542900df8e7f86a0d09linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/68720537425a30d7acd7553c/reports/1a872510-dac1-4659-accf-2cdfad02ccb8/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
19
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b5369b736b133919e731813082432daeea6d5f3ffd76c0c22ad3d73f64b30e8e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/82e90966-ab00-4431-b9d0-a185a3f40be3
Behavior Graph:
Download SVG
%3 guuid=edd3a396-1a00-0000-802c-fa03950c0000 pid=3221 /usr/bin/sudo guuid=431cd798-1a00-0000-802c-fa03990c0000 pid=3225 /tmp/sample.bin guuid=edd3a396-1a00-0000-802c-fa03950c0000 pid=3221->guuid=431cd798-1a00-0000-802c-fa03990c0000 pid=3225 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f7908d2d-ea0a-4e42-bf4c-4b327e7d07fd
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1734571
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734571 Sample: boatnet.arm7.elf Startdate: 12/07/2025 Architecture: LINUX Score: 80 24 104.164.104.15, 3778, 48192 EGIHOSTINGUS United States 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 2 other signatures 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/b5369b736b133919e731813082432daeea6d5f3ffd76c0c22ad3d73f64b30e8e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5369b736b133919e731813082432daeea6d5f3ffd76c0c22ad3d73f64b30e8e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-12 06:48:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wu3jw43lcm4rtzzrqeyieqznv3vg2xz77v3mbqrk2plt6zftb2ha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/250712-hkxgkabl4y/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135925-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/59859903-7ba9-4007-aad1-f6a45af37d18
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/b5369b736b133919e731813082432daeea6d5f3ffd76c0c22ad3d73f64b30e8e

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 3c8340230b57d8a58b506f8a4aa805023ccd6a27ad5513ccedf9a17d95c9b558

Mirai

elf b5369b736b133919e731813082432daeea6d5f3ffd76c0c22ad3d73f64b30e8e

(this sample)

  
Dropped by
SHA256 3c8340230b57d8a58b506f8a4aa805023ccd6a27ad5513ccedf9a17d95c9b558
  
URLhaus
https://urlhaus.abuse.ch/url/3581793/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 03a87e2b667159445d95bea27cc363ba

Comments