URL:

http://ddos.dnsnb8.net:799/cj//k1.rar

Full analysis: https://app.any.run/tasks/462b8c24-147c-48f3-bf79-335bd74d0c0c
Verdict: Malicious activity
Analysis date: March 20, 2024, 12:24:21
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
bdaejec
Indicators:
MD5:

9AC998A3B47DBD916A2470731BDEBFC1

SHA1:

4CF8DF652C8C54E2B415E93E2C50D1D408D91474

SHA256:

90A72D723F3747365E57995EF7FA81750C566D78F8C24CDC7FB6748733EBF024

SSDEEP:

3:N1KaBZBM05EYK7LO:CaB/beYj

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    No malicious indicators.

  • SUSPICIOUS

    No suspicious indicators.

  • INFO

    • Application launched itself

      • iexplore.exe (PID: 4008)

    • Connects to unusual port

      • iexplore.exe (PID: 4008)
      • iexplore.exe (PID: 3276)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
2
Malicious processes
0
Suspicious processes
0

Behavior graph

Click at the process to see the details
start iexplore.exe iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
3276"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:4008 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
4008"C:\Program Files\Internet Explorer\iexplore.exe" "http://ddos.dnsnb8.net:799/cj//k1.rar"C:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
Total events
7 928
Read events
7 805
Write events
91
Delete events
32

Modification events

(PID) Process:(4008) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
1
(PID) Process:(4008) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchLowDateTime
Value:
(PID) Process:(4008) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
31095489
(PID) Process:(4008) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
(PID) Process:(4008) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
31095489
(PID) Process:(4008) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(4008) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(4008) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(4008) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(4008) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
Executable files
0
Suspicious files
3
Text files
1
Unknown types
2

Dropped files

PID
Process
Filename
Type
3276iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\k1[1].rartext
MD5:D3B07384D113EDEC49EAA6238AD5FF00
SHA256:B5BB9D8014A0F9B1D61E21E796D78DCCDF1352F23CD32812F4850B878AE4944C
4008iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\urlblockindex[1].binbinary
MD5:FA518E3DFAE8CA3A0E495460FD60C791
SHA256:775853600060162C4B4E5F883F9FD5A278E61C471B3EE1826396B6D129499AA7
4008iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\69C6F6EC64E114822DF688DC12CDD86Cder
MD5:79ABEBEE352C52162EB9B56FE190C9C2
SHA256:9D4C55EDFA62DC9D21A7BE613B73CFB4B5E8A0AC266E726904166447C87302A4
4008iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9D6B3FE9E6E4067193F477ABAD990106der
MD5:EA8332102F630F9C1236CF0851266A45
SHA256:4541D9339AB605B941805E151345FBC0CA514266FAD7D4AD0A32001124624A02
4008iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\69C6F6EC64E114822DF688DC12CDD86Cbinary
MD5:8575B4FA3B3AEA0B6178DC6BE2484096
SHA256:1681D52A8D7847A3939064AE2C254776F9316173891FE552E2742B2DAFF84BDE
4008iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9D6B3FE9E6E4067193F477ABAD990106binary
MD5:30693CEDFAFC38651D81BD0FF863C8D5
SHA256:63973007D5EEC691A6B411BE25DFFBCAF4422052A6C18D9845E6C417F4AEBA68
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
21
DNS requests
10
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3276
iexplore.exe
GET
—
34.174.61.199:799
http://ddos.dnsnb8.net:799/cj//k1.rar
unknown
—
—
unknown
4008
iexplore.exe
GET
—
34.174.61.199:799
http://ddos.dnsnb8.net:799/favicon.ico
unknown
—
—
unknown
4008
iexplore.exe
GET
—
178.79.242.0:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?76ad697231f9b13b
unknown
—
—
unknown
4008
iexplore.exe
GET
—
178.79.242.0:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?4ad9b1827f1f75f1
unknown
—
—
unknown
4008
iexplore.exe
GET
200
192.229.221.95:80
http://crl3.digicert.com/DigiCertGlobalRootG3.crl
unknown
binary
863 b
unknown
4008
iexplore.exe
GET
200
192.229.221.95:80
http://crl3.digicert.com/DigiCertGlobalRootCA.crl
unknown
binary
779 b
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
—
—
—
whitelisted
—
—
224.0.0.252:5355
—
—
—
unknown
4
System
192.168.100.255:138
—
—
—
whitelisted
3276
iexplore.exe
34.174.61.199:799
ddos.dnsnb8.net
GOOGLE-CLOUD-PLATFORM
US
unknown
4008
iexplore.exe
34.174.61.199:799
ddos.dnsnb8.net
GOOGLE-CLOUD-PLATFORM
US
unknown
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
4008
iexplore.exe
2.19.96.74:443
www.bing.com
Akamai International B.V.
DE
unknown
4008
iexplore.exe
2.19.96.34:443
www.bing.com
Akamai International B.V.
DE
unknown
4008
iexplore.exe
178.79.242.0:80
ctldl.windowsupdate.com
LLNW
DE
whitelisted
4008
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
EDGECAST
US
whitelisted

DNS requests

Domain
IP
Reputation
ddos.dnsnb8.net
  • 34.174.61.199
unknown
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 2.19.96.74
  • 2.19.96.34
  • 2.19.96.35
  • 2.19.96.49
  • 2.19.96.104
  • 2.19.96.88
  • 2.19.96.83
  • 2.19.96.80
  • 2.19.96.75
whitelisted
ctldl.windowsupdate.com
  • 178.79.242.0
  • 178.79.242.128
whitelisted
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted
r20swj13mr.microsoft.com
  • 152.199.19.161
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
crl3.digicert.com
  • 192.229.221.95
whitelisted

Threats

Found threats are available for the paid subscriptions
1 ETPRO signatures available at the full report
No debug info
Interactive malware hunting service ANY.RUN
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Reports
http://ddos.dnsnb8.net:799/cj//k1.rar