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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ac888537783ac4100cee1ca97848f8a7fac85b0a41d1e225158a6aa6af046e1. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ac888537783ac4100cee1ca97848f8a7fac85b0a41d1e225158a6aa6af046e1
SHA3-384 hash: a2223bc06a455cca67f48c1f6df11da4b268634ca40fcd5b7a1738306ddc5cf5bfd01f72d5510753c5e4e9ceef9147ec
SHA1 hash: 2450b78683d1951c035f00849789800f982f459d
MD5 hash: 241fa4d0321bc95eca3ac1b623d2c072
humanhash: equal-whiskey-india-east
File name:x86_32.nn
Download: download sample
Signature Mirai
Create hunting rule
File size:75'276 bytes
First seen:2025-02-25 15:02:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:SBmWlzO7NJCh63B9aAx2NmZ+oXoggjdcHvnFHlKFrsSy6:SB7tENMcoqt4ggjyH/FFSE6
TLSH T1B3736BC0E9C3F4F1EC0616B11237A33ADBB3E67D0139EA0BD764A927F952211926675C
telfhash t17331e8f52e7e08e8f3d4a510821e9f213e5de77f54a036b24223a93132a7e42107bc34
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 NDA0E
Tags:ADB elf GorillaBotnet mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bddbf9a0fd713c335cbaealinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates or modifies symbolic links
Creating a file
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
Sends data to a server
Mounts file systems
Kills processes
Deletes a system binary file
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin masquerade remote
Link:
https://www.filescan.io/uploads/67bddbaf3afc3763bec5fa4d/reports/5198a712-df01-452f-ba65-266eaedf877b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
6
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4ac888537783ac4100cee1ca97848f8a7fac85b0a41d1e225158a6aa6af046e1
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7fa5a817-0633-4e3a-8f68-82efd9e2795d
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1623816
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1623816 Sample: x86_32.nn.elf Startdate: 25/02/2025 Architecture: LINUX Score: 72 18 193.143.1.72, 38242, 39860, 39862 BITWEB-ASRU unknown 2->18 20 daisy.ubuntu.com 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Okiru 2->26 28 Yara detected Mirai 2->28 8 x86_32.nn.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        12 udisksd dumpe2fs 2->12         started        signatures3 process4 process5 14 x86_32.nn.elf 8->14         started        process6 16 x86_32.nn.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4ac888537783ac4100cee1ca97848f8a7fac85b0a41d1e225158a6aa6af046e1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ac888537783ac4100cee1ca97848f8a7fac85b0a41d1e225158a6aa6af046e1/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 15:02:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jleiqu3xqowecago4hfjpbeprj72zbnquqor4isrlctku2xqi3qq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux
Link:
https://tria.ge/reports/250225-sehrbs1qy2/
Behaviour
Reads runtime system information
Changes its process name
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-10008433-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/bcab400d-1511-46cc-b42e-7fc751554c13
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4ac888537783ac4100cee1ca97848f8a7fac85b0a41d1e225158a6aa6af046e1

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:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 4ac888537783ac4100cee1ca97848f8a7fac85b0a41d1e225158a6aa6af046e1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3452004/
  
Delivery method
Distributed via web download

Comments