MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b8f46ac7977c711dfee86501f1eeb904159d07eb0536f68bebda9c354a5d00f. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b8f46ac7977c711dfee86501f1eeb904159d07eb0536f68bebda9c354a5d00f
SHA3-384 hash: e1ae84a3202f6050cd30c23909f2ef5685070590180810e4fef0326beaa4924d60252798c834e2667f43f5ed88ebfebe
SHA1 hash: b28ec83d428d4fbe9eb3371f4f2a7d219ec2e1a6
MD5 hash: 77c2c758c1a99f2752ad55c7eb3ab29f
humanhash: single-nitrogen-gee-five
File name:windy.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:55'896 bytes
First seen:2025-11-23 18:16:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:wcyVCdqxTAO4tblNNYy3vwQoy2EFMe6Bn5oXRe4dW8lQob950oNpmvnMeI7BNlTt:wa40rNj3vTWEFMvoJlvb95LmvnWl
TLSH T1CC432885F8D2996EC6D013BAA72E358E33A1B3E0D1CB3603CC945B2573896CF5D66B50
telfhash t187e06140fe764b1844e75634ecdd07b49511211761664710cf54daf0883f118a31cd5e
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a1b14673caab6263f864ea5cfdbee227f5b10b65f138cd157bc71765d0973ef3
File size (compressed) :25'136 bytes
File size (de-compressed) :55'896 bytes
Format:linux/arm
Packed file: a1b14673caab6263f864ea5cfdbee227f5b10b65f138cd157bc71765d0973ef3

Intelligence

File Origin
# of uploads :
1
# of downloads :
58
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/7b8f46ac7977c711dfee86501f1eeb904159d07eb0536f68bebda9c354a5d00f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/35802ff0-4f73-4368-87ab-a2ae224d0d2d
Behavior Graph:
Download SVG
%3 guuid=f2d17004-1900-0000-41cd-94432a070000 pid=1834 /usr/bin/sudo guuid=19e1a406-1900-0000-41cd-94432c070000 pid=1836 /tmp/sample.bin guuid=f2d17004-1900-0000-41cd-94432a070000 pid=1834->guuid=19e1a406-1900-0000-41cd-94432c070000 pid=1836 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e2ab983e-d254-40e7-97d7-2ba93b051898
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1819617
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819617 Sample: windy.arm5.elf Startdate: 23/11/2025 Architecture: LINUX Score: 56 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 windy.arm5.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7b8f46ac7977c711dfee86501f1eeb904159d07eb0536f68bebda9c354a5d00f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b8f46ac7977c711dfee86501f1eeb904159d07eb0536f68bebda9c354a5d00f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 18:17:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pohunldzo7drdx7oqzib6hxlsbavtud6wbjw62f6xwu4gvff2ahq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251123-wwrbksvmen/
Malware Config
C2 Extraction:
dot.cbzp.fun
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/7b8f46ac7977c711dfee86501f1eeb904159d07eb0536f68bebda9c354a5d00f

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: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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 a1b14673caab6263f864ea5cfdbee227f5b10b65f138cd157bc71765d0973ef3

Mirai

elf 7b8f46ac7977c711dfee86501f1eeb904159d07eb0536f68bebda9c354a5d00f

(this sample)

  
Dropped by
SHA256 a1b14673caab6263f864ea5cfdbee227f5b10b65f138cd157bc71765d0973ef3
  
URLhaus
https://urlhaus.abuse.ch/url/3715274/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 8f968755558a606f1b2f945f3a5747db

Comments