MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf5f5f680200def3c25fb776dc1aa75e4d521519f56d73f0464c9836a2f970e3. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf5f5f680200def3c25fb776dc1aa75e4d521519f56d73f0464c9836a2f970e3
SHA3-384 hash: 36d582d962cb6964a25f6aaadf2fae3e615bd1e59b5b597422465ecc64dd3900f600c1e870cd302046a5eb304b468af5
SHA1 hash: a93e5ca365cfdaee6cb51583cb1c8529bdb767ca
MD5 hash: 18fd349669c6c0de278d72f10baba120
humanhash: wisconsin-india-arizona-juliet
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:49'500 bytes
First seen:2025-10-25 09:07:45 UTC
Last seen:2025-10-26 07:09:02 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:mb1M8/GBMAMiUgp1CQ78LHX1ziIul+WOQagSo:gb/gUM6LHpitl2to
TLSH T1F6230176E18AF9FA51152FF7DC84456BA56B03BCC4AAE073896C00324791086A7DE3DA
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) :49'500 bytes
File size (de-compressed) :139'353 bytes
Format:linux/arm
Unpacked file: 195676809a3686f1c2c31a90b7dc9703144b3474f6dcba6c41a8b418ec8f7d0f

Intelligence

File Origin
# of uploads :
4
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68fc93943a79800405f5e40f/reports/33a4e44a-6e98-4d0c-9169-bb282e436ca2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-25T06:15:00Z UTC
Last seen:
2025-10-26T23:08:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/bf5f5f680200def3c25fb776dc1aa75e4d521519f56d73f0464c9836a2f970e3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cf84a867-d836-438c-bdf5-da431452a916
Behavior Graph:
Download SVG
%3 guuid=704dc81a-1b00-0000-6fe6-9351470b0000 pid=2887 /usr/bin/sudo guuid=d05dbc1c-1b00-0000-6fe6-93514e0b0000 pid=2894 /tmp/sample.bin guuid=704dc81a-1b00-0000-6fe6-9351470b0000 pid=2887->guuid=d05dbc1c-1b00-0000-6fe6-93514e0b0000 pid=2894 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9ccbf7b1-f160-422b-8ea3-1380dc1522cf
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1801716
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: 1801716 Sample: boatnet.arm7.elf Startdate: 25/10/2025 Architecture: LINUX Score: 72 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 91.151.95.13, 33846, 3778 MEER-ASmeerfarbigGmbHCoKGDE Turkey 2->26 28 4 other IPs or domains 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf5f5f680200def3c25fb776dc1aa75e4d521519f56d73f0464c9836a2f970e3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf5f5f680200def3c25fb776dc1aa75e4d521519f56d73f0464c9836a2f970e3/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bf5f5f680200def3c25fb776dc1aa75e4d521519f56d73f0464c9836a2f970e3
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-25 09:09:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x5pv62acadpphqs7w53nygvhlzgvefiz6vwxh4cgjsmdnixzodrq._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/251025-k37flaa19h/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/38fb5655-d97f-46c6-8bd3-2402423cec71
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/bf5f5f680200def3c25fb776dc1aa75e4d521519f56d73f0464c9836a2f970e3

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: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: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 bf5f5f680200def3c25fb776dc1aa75e4d521519f56d73f0464c9836a2f970e3

(this sample)

Mirai

elf 195676809a3686f1c2c31a90b7dc9703144b3474f6dcba6c41a8b418ec8f7d0f

  
URLhaus
https://urlhaus.abuse.ch/url/3686677/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 195676809a3686f1c2c31a90b7dc9703144b3474f6dcba6c41a8b418ec8f7d0f
  
Dropping
MD5 4e210c887cf9a6172b0f80117eda09f8

Comments