Report - 52.143.157.84/84bad7132df89fd7/nss3.dll

Report Overview

Submitted URL
52.143.157.84/84bad7132df89fd7/nss3.dll
IP
52.143.157.84
ASN
#8075 MICROSOFT-CORP-MSN-AS-BLOCK
Submitted
2024-04-20 14:26:26
Access
public
Website Title
about:privatebrowsing
Final URL
about:privatebrowsing
Tags
malware
urlquery detections
Malware - Possible Infostealer Payload

Detections

urlquery
2
Network Intrusion Detection
5
Threat Detection Systems
4

Domain Summary

Domain / FQDN	Rank	Registered	First Seen	Last Seen	Sent	Received	IP
52.143.157.84	unknown	unknown	2022-09-19	2022-09-19	409 B	2.0 MB	52.143.157.84
aus5.mozilla.org	2548	1998-01-24	2015-10-27	2024-04-19	512 B	6.5 kB	35.244.181.201

Related reports

Network Intrusion Detection Systems

Suricata /w Emerging Threats Pro

Timestamp	Severity	Source IP	Destination IP	Alert
2024-04-20 14:26:01	high	Client IP	52.143.157.84	ThreatFox Stealc botnet C2 traffic (ip:port - confidence level: 80%)
2024-04-20 14:26:01	medium	Client IP	52.143.157.84	ET INFO Dotted Quad Host DLL Request
2024-04-20 14:26:01	medium	Client IP	52.143.157.84	ET HUNTING HTTP GET Request for nss3.dll - Possible Infostealer Activity
2024-04-20 14:26:01	high	Client IP	52.143.157.84	URLhaus Known malware download URL detected (2803101)
2024-04-20 14:26:01	high	52.143.157.84	Client IP	ET POLICY PE EXE or DLL Windows file download HTTP

Threat Detection Systems

Public InfoSec YARA rules

No alerts detected

OpenPhish

No alerts detected

PhishTank

No alerts detected

mnemonic secure dns

No alerts detected

Quad9 DNS

Scan Date	Severity	Indicator	Alert
2024-04-20	medium	52.143.157.84	Sinkholed

ThreatFox

Scan Date	Severity	Indicator	Alert
2024-04-11	medium	52.143.157.84	Stealc

Files detected

URL
52.143.157.84/84bad7132df89fd7/nss3.dll
IP
52.143.157.84
ASN
#8075 MICROSOFT-CORP-MSN-AS-BLOCK

File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows, 6 sections
Size
2.0 MB (2046288 bytes)
Hash
1cc453cdf74f31e4d913ff9c10acdde2
6e85eae544d6e965f15fa5c39700fa7202f3aafe
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

JavaScript (0)

HTTP Transactions (2)

URL IP Response Size

52.143.157.84/84bad7132df89fd7/nss3.dll

52.143.157.84

2.0 MB

URL User Request GET
52.143.157.84/84bad7132df89fd7/nss3.dll
IP
52.143.157.84:0
ASN
#8075 MICROSOFT-CORP-MSN-AS-BLOCK

File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows, 6 sections
Size
2.0 MB (2046288 bytes)
Hash
1cc453cdf74f31e4d913ff9c10acdde2
6e85eae544d6e965f15fa5c39700fa7202f3aafe
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

Detections

Analyzer	Verdict	Alert
urlquery	malware	Malware - Possible Infostealer Payload
ThreatFox	malicious	Stealc
Quad9 DNS	malicious	Sinkholed

NIDS	Severity	Alert
suricata	medium	ET INFO Dotted Quad Host DLL Request
suricata	medium	ET HUNTING HTTP GET Request for nss3.dll - Possible Infostealer Activity
suricata	high	URLhaus Known malware download URL detected (2803101)
suricata	high	ET POLICY PE EXE or DLL Windows file download HTTP

HTTP Headers

GET /84bad7132df89fd7/nss3.dll HTTP/1.1
Host: 52.143.157.84
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
DNT: 1
Connection: keep-alive
Upgrade-Insecure-Requests: 1
Pragma: no-cache
Cache-Control: no-cache

HTTP/1.1 200 OK
Server: nginx/1.18.0 (Ubuntu)
Date: Sat, 20 Apr 2024 14:26:01 GMT
Content-Type: application/x-msdos-program
Content-Length: 2046288
Connection: keep-alive
Last-Modified: Mon, 05 Sep 2022 07:49:08 GMT
ETag: "1f3950-5e7e950876500"
Accept-Ranges: bytes

aus5.mozilla.org/update/3/GMP/111.0a1/20240129201730/Linux_x86_64-gcc3/null/default/Linux%205.15.0-102-generic%20(GTK%203.24.37%2Clibpulse%20not-available)/default/default/update.xml

35.244.181.201

5.8 kB

URL
aus5.mozilla.org/update/3/GMP/111.0a1/20240129201730/Linux_x86_64-gcc3/null/default/Linux%205.15.0-102-generic%20(GTK%203.24.37%2Clibpulse%20not-available)/default/default/update.xml
IP
35.244.181.201:0
ASN
#396982 GOOGLE-CLOUD-PLATFORM

File type
gzip compressed data, max speed, from Unix
Size
5.8 kB (5759 bytes)
Hash
aa33725c2d0a3d1c2f9c878d64914807
6e83d13ec860384a977738b04ff0891a01ab519a
fe412eadb3dc9820ec6cab7cb62349be057c509e34f7e2de6d23b28eacc98bfd

HTTP Headers

GET /update/3/GMP/111.0a1/20240129201730/Linux_x86_64-gcc3/null/default/Linux%205.15.0-102-generic%20(GTK%203.24.37%2Clibpulse%20not-available)/default/default/update.xml HTTP/1.1
Host: aus5.mozilla.org
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
Cache-Control: no-cache
Pragma: no-cache
Connection: keep-alive
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: no-cors
Sec-Fetch-Site: cross-site

HTTP/2 200 OK
server: nginx
date: Sat, 20 Apr 2024 14:26:20 GMT
content-type: text/xml; charset=utf-8
vary: Accept-Encoding
rule-id: unknown
rule-data-version: unknown
content-signature: x5u=https://content-signature-2.cdn.mozilla.net/chains/aus.content-signature.mozilla.org-2024-06-09-11-51-10.chain; p384ecdsa=KXKpjPcief9NSnABkq_mYvIB6EeL7treYoBuAH2NhmE8g8dj635ObWd4PWh7VvNmbUkdqBudtX-Pbu_wT-i4yJVcxRDcKwmMMPHbqXUtjCN8AmA_b5hKeHVOgcSob2An
strict-transport-security: max-age=31536000;
x-content-type-options: nosniff
content-security-policy: default-src 'none'; frame-ancestors 'none'
x-proxy-cache-status: EXPIRED
content-encoding: gzip
via: 1.1 google
cache-control: public,max-age=90
alt-svc: clear
X-Firefox-Spdy: h2

Report Overview

Submitted URL

IP

ASN

Submitted

Access

Website Title

Final URL

Tags

urlquery detections

Detections

urlquery

Network Intrusion Detection

Threat Detection Systems

Domain Summary

Related reports

Network Intrusion Detection Systems

Suricata /w Emerging Threats Pro

Threat Detection Systems

Public InfoSec YARA rules

OpenPhish

PhishTank

mnemonic secure dns

Quad9 DNS

ThreatFox

Files detected

URL

IP

ASN

File type

Size

Hash

JavaScript (0)

HTTP Transactions (2)

URL User Request GET

IP

ASN

File type

Size

Hash

Detections

HTTP Headers

URL

IP

ASN

File type

Size

Hash

HTTP Headers