MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84f65c6327ae71733314dd54c128518135eb07920a5a1bf4451de648f7c794b1. 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 1 File information Comments 1

SHA256 hash: 84f65c6327ae71733314dd54c128518135eb07920a5a1bf4451de648f7c794b1
SHA3-384 hash: b20fb10399b04f6d895074f38b6e0d5fa130f67a511ed434051ac8cc0177fd98ac8d3d3172280b3265606f5f949fea5f
SHA1 hash: e558e181b9ae9db9489ff7f1e82e2f84d5ac714e
MD5 hash: 85afbf3263c5b34060735e51f34270ca
humanhash: single-nebraska-white-twenty
File name:85afbf3263c5b34060735e51f34270ca
Download: download sample
Signature Mirai
File size:43'664 bytes
First seen:2024-04-19 15:04:45 UTC
Last seen:2024-04-19 15:25:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:7a00z/t1+b/R4+vqgKyJxwAJXmpRRyEg2HJtlYH2xqemL9zPs/aV7Ofqi:7a00rt1yDqgBuAUyEggtlDqemZCpqi
TLSH T17613F13BE1AE45B9D62256345F681A88BC86F413650A038708DA63F95FEBFC79D70B10
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:64 elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
107
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
DNS request
Opens a port
Sends data to a server
Connection attempt
Substitutes an application name
Traces processes
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
custom
Botnet:
212.70.149.14
Number of open files:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Behaviour
Process Renaming
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1428822 Sample: JdnjRc1VGX.elf Startdate: 19/04/2024 Architecture: LINUX Score: 88 17 197.152.229.181, 37215 airtel-tz-asTZ Tanzania United Republic of 2->17 19 197.237.248.137 WANANCHI-KE Kenya 2->19 21 98 other IPs or domains 2->21 23 Snort IDS alert for network traffic 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 4 other signatures 2->29 8 JdnjRc1VGX.elf 2->8         started        signatures3 process4 signatures5 31 Sample deletes itself 8->31 11 JdnjRc1VGX.elf 8->11         started        process6 process7 13 JdnjRc1VGX.elf 11->13         started        15 JdnjRc1VGX.elf 11->15         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-04-19 06:45:23 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Traces itself
Unexpected DNS network traffic destination
Contacts a large (37124) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.

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:upx_antiunpack_elf64
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF64

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 84f65c6327ae71733314dd54c128518135eb07920a5a1bf4451de648f7c794b1

(this sample)

  
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



Avatar
zbet commented on 2024-04-19 15:04:46 UTC

url : hxxp://212.70.149.14/x86