MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73effb28b9ee5f1cbbe304c5118ee0ef98da5f500ac82d2f0a991d10ade695e1. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73effb28b9ee5f1cbbe304c5118ee0ef98da5f500ac82d2f0a991d10ade695e1
SHA3-384 hash: d1c495d9a30898ee805ce60895eeb2d9f8c7b74f7232578017d81950fa617dbae2aa941b84128f1e899a314376669876
SHA1 hash: 43bbfdc681f971dfb67e6770806ab3d45c5cd125
MD5 hash: 8233db8170cef3e43c75e4281bb8bae8
humanhash: hawaii-arkansas-mississippi-october
File name:windy.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:176'515 bytes
First seen:2025-10-18 16:13:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Hlco92mDLaepNPR9ZpO45+EPCC6uUVsHy3d0fM/9JDT8hM:HlCiLaepNPR9jOARCzussHy3dEM/9GM
TLSH T15F044C46EB814A13C0D62779F69F524633239BA4D3DB33069918AFB43F867DE0E67601
telfhash t13c31fe31573151196ab1d954edec97b2152a87132349ee33df36c8dc181a09be93ec0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 20db703a00f5f5c1acd937c4ed88a99994aa0c41165b9de67c43cbd0893680ef
File size (compressed) :67'416 bytes
File size (de-compressed) :176'515 bytes
Format:linux/arm
Packed file: 20db703a00f5f5c1acd937c4ed88a99994aa0c41165b9de67c43cbd0893680ef

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

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

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
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.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin masquerade mirai remote
Link:
https://www.filescan.io/uploads/68f3bf4ffd2d7e012f4b014e/reports/1b0a8629-69ea-4f2e-a781-346be1980f48/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-18T13:29:00Z UTC
Last seen:
2025-10-19T04:47:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/73effb28b9ee5f1cbbe304c5118ee0ef98da5f500ac82d2f0a991d10ade695e1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6d11096a-db77-4939-a7a5-538e269ced6a
Behavior Graph:
Download SVG
%3 guuid=e2adac62-1a00-0000-e0b8-0c9e550b0000 pid=2901 /usr/bin/sudo guuid=e623a467-1a00-0000-e0b8-0c9e5f0b0000 pid=2911 /tmp/sample.bin guuid=e2adac62-1a00-0000-e0b8-0c9e550b0000 pid=2901->guuid=e623a467-1a00-0000-e0b8-0c9e5f0b0000 pid=2911 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ce9542de-b920-4133-b8c8-d902fd8e26b5
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1797650
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797650 Sample: windy.arm7.elf Startdate: 18/10/2025 Architecture: LINUX Score: 60 26 mirailoversddos.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 2 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 8 dash rm windy.arm7.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 8 other processes 2->14 signatures3 36 Uses dynamic DNS services 26->36 process4 process5 16 windy.arm7.elf 8->16         started        18 windy.arm7.elf 8->18         started        20 windy.arm7.elf 8->20         started        process6 22 windy.arm7.elf 16->22         started        24 windy.arm7.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/73effb28b9ee5f1cbbe304c5118ee0ef98da5f500ac82d2f0a991d10ade695e1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73effb28b9ee5f1cbbe304c5118ee0ef98da5f500ac82d2f0a991d10ade695e1/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/73effb28b9ee5f1cbbe304c5118ee0ef98da5f500ac82d2f0a991d10ade695e1
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-18 16:20:57 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=opx7wkfz5zprzo7datcrddxa56mnux2qblec2lykteorblpgsxqq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251018-tvym6asneq/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b414ef0f-630f-4b67-8aa4-1509a481468f
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/73effb28b9ee5f1cbbe304c5118ee0ef98da5f500ac82d2f0a991d10ade695e1

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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: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: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 20db703a00f5f5c1acd937c4ed88a99994aa0c41165b9de67c43cbd0893680ef

Mirai

elf 73effb28b9ee5f1cbbe304c5118ee0ef98da5f500ac82d2f0a991d10ade695e1

(this sample)

  
Dropped by
SHA256 20db703a00f5f5c1acd937c4ed88a99994aa0c41165b9de67c43cbd0893680ef
  
URLhaus
https://urlhaus.abuse.ch/url/3681125/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 195ecec903ce945cf2177f521077f51f

Comments