MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 131ef8afa1a15ab2d63b1ed1d9332e67a685a1e4985cd7a3da7c2dc40022944e. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 131ef8afa1a15ab2d63b1ed1d9332e67a685a1e4985cd7a3da7c2dc40022944e
SHA3-384 hash: be88fd0011ba8daa592b00e726a9b938090f1d7eb5ecd588f0b1aac93fc57be2032ddbb04b202579383537ff33af84c8
SHA1 hash: d12c788dee92112d32d09b1ffcc35eb9803a08bd
MD5 hash: f540fd3c785b23495b658a047ee0abe1
humanhash: potato-maine-summer-quiet
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:47'880 bytes
First seen:2025-08-26 09:39:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:fjIOpg6zWwfQXYj9xHTz0TVr1/JJNjYTS9q3UELF0GUIb9hC4lV0lQKO:mlXYjXQVZrNjgHLyGUO9hH0lQKO
TLSH T1B22301A7C978FEF3F8305AB5E3018A4195C27BA5E383F75716608A48D5935808F278CB
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) :47'880 bytes
File size (de-compressed) :135'038 bytes
Format:linux/arm
Unpacked file: b2a54e13e03e19e848982f883963aa348d3b81e60efe9c1712a83784c2b5656b

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Connection attempt
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
27
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/131ef8afa1a15ab2d63b1ed1d9332e67a685a1e4985cd7a3da7c2dc40022944e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/131ef8afa1a15ab2d63b1ed1d9332e67a685a1e4985cd7a3da7c2dc40022944e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/eba01a14-075f-4f6a-909d-8b73523a2d22
Behavior Graph:
Download SVG
%3 guuid=20ad577b-1e00-0000-a570-d451e80a0000 pid=2792 /usr/bin/sudo guuid=30722e7d-1e00-0000-a570-d451ee0a0000 pid=2798 /tmp/sample.bin guuid=20ad577b-1e00-0000-a570-d451e80a0000 pid=2792->guuid=30722e7d-1e00-0000-a570-d451ee0a0000 pid=2798 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/69dcb56f-7e38-4f61-9295-b98875240171
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1765273
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: 1765273 Sample: boatnet.arm7.elf Startdate: 26/08/2025 Architecture: LINUX Score: 72 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 31.25.11.228, 3778, 42182 TEQGB United Kingdom 2->26 28 daisy.ubuntu.com 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 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/131ef8afa1a15ab2d63b1ed1d9332e67a685a1e4985cd7a3da7c2dc40022944e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/131ef8afa1a15ab2d63b1ed1d9332e67a685a1e4985cd7a3da7c2dc40022944e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-26 09:42:36 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=cmpprl5bufnlfvr3d3i5smzom6tilipetbonpi62pqw4iabcsrha._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/250826-lpk6waxsay/
Behaviour
Reads runtime system information
Enumerates running processes
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/ce77165e-95a7-48c6-8156-b3d7a21cb5c9
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/131ef8afa1a15ab2d63b1ed1d9332e67a685a1e4985cd7a3da7c2dc40022944e

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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 131ef8afa1a15ab2d63b1ed1d9332e67a685a1e4985cd7a3da7c2dc40022944e

(this sample)

Mirai

elf b2a54e13e03e19e848982f883963aa348d3b81e60efe9c1712a83784c2b5656b

  
URLhaus
https://urlhaus.abuse.ch/url/3611831/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 b2a54e13e03e19e848982f883963aa348d3b81e60efe9c1712a83784c2b5656b
  
Dropping
MD5 6af3fa259de9a41d8631717b12170971

Comments