MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a81acebfd23404a4505816130e27185e2a8d59f1418f4ce0b3f1186600a144c2. 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: 13


Intelligence 13 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a81acebfd23404a4505816130e27185e2a8d59f1418f4ce0b3f1186600a144c2
SHA3-384 hash: 3f4da4cfe35d1d48d5b6839df1abbdb6e2d3b983793c3ec7aac2c6b73b0fb4539fc39859c91f773d0af4da469347d591
SHA1 hash: 6f5dbf56ba5cb16d3c2e025252ef2e74bfd30552
MD5 hash: 385939b9618fa1ecf2e9cfb726ba0a21
humanhash: maryland-illinois-july-bulldog
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:147'640 bytes
First seen:2026-07-12 06:33:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:BofVxS38YYejOg2b2U5Q9dC/Agf0TOZjfm6kH:KzsGV5LYgpmH
TLSH T186E32B07B98080FDC4E5C1784BBEB036D932B45E1238B25B27C4BE266E4EE615F6D725
telfhash t117519c7229a629a471e3e376730bda59e8310e5104e279e5ee7348e3cf153890db2853
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 aed152d72f07953e2ccc38e7a7cfdcce6fef6220ad26b555c818b538b6f0853a
File size (compressed) :54'020 bytes
File size (de-compressed) :147'640 bytes
Format:linux/amd64
Packed file: aed152d72f07953e2ccc38e7a7cfdcce6fef6220ad26b555c818b538b6f0853a

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2894cf68-da71-40a3-bf1a-ce8864aa4141/
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

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-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Locks files
Receives data from a server
Creating a file in the %temp% directory
Runs as daemon
DNS request
Deleting a recently created file
Opens a port
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a81acebfd23404a4505816130e27185e2a8d59f1418f4ce0b3f1186600a144c2
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-07-12T04:27:00Z UTC
Last seen:
2026-07-13T20:16:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/a81acebfd23404a4505816130e27185e2a8d59f1418f4ce0b3f1186600a144c2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/32735fa0-e593-46f7-be37-475fb6e69fb0
Behavior Graph:
Download SVG
%3 guuid=7431c895-1e00-0000-97ce-ee4437140000 pid=5175 /usr/bin/sudo guuid=bab8d797-1e00-0000-97ce-ee4438140000 pid=5176 /tmp/sample.bin net guuid=7431c895-1e00-0000-97ce-ee4437140000 pid=5175->guuid=bab8d797-1e00-0000-97ce-ee4438140000 pid=5176 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=bab8d797-1e00-0000-97ce-ee4438140000 pid=5176->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e2221998-1e00-0000-97ce-ee4439140000 pid=5177 /tmp/sample.bin guuid=bab8d797-1e00-0000-97ce-ee4438140000 pid=5176->guuid=e2221998-1e00-0000-97ce-ee4439140000 pid=5177 clone guuid=0a9dc2d3-1e00-0000-97ce-ee443a140000 pid=5178 /tmp/sample.bin guuid=bab8d797-1e00-0000-97ce-ee4438140000 pid=5176->guuid=0a9dc2d3-1e00-0000-97ce-ee443a140000 pid=5178 clone guuid=371e7b0f-1f00-0000-97ce-ee443b140000 pid=5179 /tmp/sample.bin delete-file guuid=bab8d797-1e00-0000-97ce-ee4438140000 pid=5176->guuid=371e7b0f-1f00-0000-97ce-ee443b140000 pid=5179 clone guuid=987d940f-1f00-0000-97ce-ee443c140000 pid=5180 /tmp/sample.bin net send-data zombie guuid=bab8d797-1e00-0000-97ce-ee4438140000 pid=5176->guuid=987d940f-1f00-0000-97ce-ee443c140000 pid=5180 clone 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=987d940f-1f00-0000-97ce-ee443c140000 pid=5180->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 111B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c16b985-7528-4196-b57a-3da462b0a36d
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a81acebfd23404a4505816130e27185e2a8d59f1418f4ce0b3f1186600a144c2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a81acebfd23404a4505816130e27185e2a8d59f1418f4ce0b3f1186600a144c2/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a81acebfd23404a4505816130e27185e2a8d59f1418f4ce0b3f1186600a144c2
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-12 06:34:32 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vanm5p6sgqckiucycyjq4jyylyvi2wprighuzyft6emgmafbitba._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion linux
Link:
https://tria.ge/reports/260712-hbz64adw4l/
Behaviour
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a81acebfd234/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/a81acebfd23404a4505816130e27185e2a8d59f1418f4ce0b3f1186600a144c2

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_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 aed152d72f07953e2ccc38e7a7cfdcce6fef6220ad26b555c818b538b6f0853a

Mirai

elf a81acebfd23404a4505816130e27185e2a8d59f1418f4ce0b3f1186600a144c2

(this sample)

  
Dropped by
SHA256 aed152d72f07953e2ccc38e7a7cfdcce6fef6220ad26b555c818b538b6f0853a
  
URLhaus
https://urlhaus.abuse.ch/url/3884575/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 12859dee9d5a547a3ed6c822775f4c16
  
URLhaus
https://urlhaus.abuse.ch/url/3885850/

Comments