MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b91a6a175f6bd6a9628fcf921c6c363d95fb3dd83efdac5d103cbe8da8bd297a. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b91a6a175f6bd6a9628fcf921c6c363d95fb3dd83efdac5d103cbe8da8bd297a
SHA3-384 hash: 9199532586e1b0985e88f907c491ccef2df6ab9c379673f2da1dad9b96dd79812f5e73afa3d426bc2a4a63259e5d505a
SHA1 hash: 17e86e24040e52798dd2defcbe68eb5a3e240583
MD5 hash: de6d5781b4f0bc4e3247fc684a540919
humanhash: muppet-snake-river-happy
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:211'859 bytes
First seen:2025-08-18 21:06:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:igQ5CVUwGl2fJffdHiVqapPsk6tG8Jhx5HmXUCM/RWcpKG:xQ5CVUw//HiEapPsk6ttx5wUL/ICl
TLSH T169243B46EA404F13C0D727B9F6DF52453323979593D7B306AA24ABB03F8779E4E22A05
telfhash t1d83110f0573a521a5951eaac99ed7766051ec7121342ff33fe21c4ec241540eea29c0f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 084de1791f5be2b221c277d9f0260b897ffc550e98408f420dba5d388362db25
File size (compressed) :72'732 bytes
File size (de-compressed) :211'859 bytes
Format:linux/arm
Packed file: 084de1791f5be2b221c277d9f0260b897ffc550e98408f420dba5d388362db25

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
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

Sanesecurity.Malware.28886.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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Runs as daemon
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc mirai obfuscated
Link:
https://www.filescan.io/uploads/68a395e3abfbaec31825221f/reports/d46e01d6-52cf-4b50-b3f6-57c5ed3c1058/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/55a27ddb-47f0-414f-a973-a37518645237
Behavior Graph:
Download SVG
%3 guuid=6a5ea3af-1800-0000-16e3-1093140d0000 pid=3348 /usr/bin/sudo guuid=11873fb1-1800-0000-16e3-10931a0d0000 pid=3354 /tmp/sample.bin guuid=6a5ea3af-1800-0000-16e3-1093140d0000 pid=3348->guuid=11873fb1-1800-0000-16e3-10931a0d0000 pid=3354 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/16517207-b975-4468-a219-2cc9dc0c9dbb
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1759681
Signature
Antivirus / Scanner detection for submitted sample
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: 1759681 Sample: boatnet.arm7.elf Startdate: 18/08/2025 Architecture: LINUX Score: 76 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 3 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 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 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 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b91a6a175f6bd6a9628fcf921c6c363d95fb3dd83efdac5d103cbe8da8bd297a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b91a6a175f6bd6a9628fcf921c6c363d95fb3dd83efdac5d103cbe8da8bd297a/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b91a6a175f6bd6a9628fcf921c6c363d95fb3dd83efdac5d103cbe8da8bd297a
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-18 21:06:57 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xenguf27nplksyupz6jby3bwhwk7wpoyh362yxiqhs7i3kf5ff5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/250818-zx1s7axnx3/
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/0d6983df-6350-4ff7-9031-2d671be8b12f
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/b91a6a175f6bd6a9628fcf921c6c363d95fb3dd83efdac5d103cbe8da8bd297a

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_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 084de1791f5be2b221c277d9f0260b897ffc550e98408f420dba5d388362db25

Mirai

elf b91a6a175f6bd6a9628fcf921c6c363d95fb3dd83efdac5d103cbe8da8bd297a

(this sample)

  
Dropped by
SHA256 084de1791f5be2b221c277d9f0260b897ffc550e98408f420dba5d388362db25
  
URLhaus
https://urlhaus.abuse.ch/url/3606282/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 de359d3a67d316d20b3a2e2fd06ad0f1
  
URLhaus
https://urlhaus.abuse.ch/url/3606384/

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