MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b815a3a97e0196a382834f2eee263e7c6c526c22f9284b49b19a76bfcfd080d. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b815a3a97e0196a382834f2eee263e7c6c526c22f9284b49b19a76bfcfd080d
SHA3-384 hash: 4d5bdff24108bcfa5c6abf84db77dec44a717ef92e226983718d978d83247588f99eeaf7e061208e69fe86932d616315
SHA1 hash: a43d22652ad68e220819f2cd3428ca28dacaad9e
MD5 hash: 9d5df706a683f04628a206e8f1f81ed7
humanhash: north-hot-jig-florida
File name:x86_64.nn
Download: download sample
Signature Mirai
Create hunting rule
File size:74'736 bytes
First seen:2025-02-25 15:02:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:7THklacMIK2jVPVMcVO3vBwYnSqjvvX2nAcxCMbALcyOBV2SF:XEMcMQVdMcVevnnrj32nA2DbABOBV2O
TLSH T102734B03B591D0FDC599C278136FA53BD532B16D0238B2AE6BD8FF227F89D210A6D944
telfhash t179214bb67a901c90c0e3f166a306f19429292d6408e175f2de7769f3ef537844e22c1b
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 :
95
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=67bddbfb28ab76d43a5d1137linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Opens a port
Creating a file
Mounts file systems
Receives data from a server
Runs as daemon
Creates or modifies symbolic links
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/67bddbb0298112176da0f35b/reports/65669fd6-3fb0-4321-9958-32624d8fd758/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/7b815a3a97e0196a382834f2eee263e7c6c526c22f9284b49b19a76bfcfd080d
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/d71313fb-f5e4-4181-b3ed-1caef4f10a42
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1623823
Signature
Antivirus / Scanner detection for submitted sample
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: 1623823 Sample: x86_64.nn.elf Startdate: 25/02/2025 Architecture: LINUX Score: 80 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->22 24 2 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 2 other signatures 2->32 8 dash rm x86_64.nn.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        12 udisksd dumpe2fs 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 x86_64.nn.elf 8->16         started        process6 18 x86_64.nn.elf 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7b815a3a97e0196a382834f2eee263e7c6c526c22f9284b49b19a76bfcfd080d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b815a3a97e0196a382834f2eee263e7c6c526c22f9284b49b19a76bfcfd080d/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 15:03:15 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=poavuoux4amwuobigtzo5ytd47dmkjwcf6jijne3dgtwx7h5bagq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux
Link:
https://tria.ge/reports/250225-se5abs1q16/
Behaviour
Reads runtime system information
Changes its process name
Creates a large amount of network flows
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7640640-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/0cbcf742-845a-423a-a677-385dab4c3cd2
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b815a3a97e0/report/overview.html
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/7b815a3a97e0196a382834f2eee263e7c6c526c22f9284b49b19a76bfcfd080d

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_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_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:MatchByteSequence
Create hunting rule
Author:Generated by ChatGPT
Description:Rule to match specific byte sequence: 89 C8 C1 E8 08 31 D1 31 C8
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 7b815a3a97e0196a382834f2eee263e7c6c526c22f9284b49b19a76bfcfd080d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3452009/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments