hxxp://l[.]contentsquare[.]net

Analysis

max time kernel
132s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2022, 15:34 UTC

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General

Target

http://l.contentsquare.net

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 35 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "392014087"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000883ed98174fc174d8e18111dae0d912000000000020000000000106600000001000020000000ca975a5ef2137fc26787e1571060b60958a986caed3fa136d8d9653e64680873000000000e8000000002000020000000e4696f46546b65b320a145f3ac06a12c1eaf70eeb91e1c0549ce444d17ecf84c200000003920b0fcee7830f0b2c57873f9bbcd9d45f543355efff1f8656e6652665abb98400000003ea39ad280812cb6ebd5bbeb1ea6278709051b71e69a3666f4d1548abb26a09bbe9dbd6149cab02ad6785259e65ad274e3331d07496fe1c8488c30adc602c2d7	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f09ac71b73dad801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30988915"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "425295026"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 2088b41b73dad801	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "392014087"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000883ed98174fc174d8e18111dae0d912000000000020000000000106600000001000020000000963845c1a7baee68acdde752caf612fdc454dfa85d78da515a12d308c39f2470000000000e800000000200002000000093c1b64a84b0462cd03f56a1bdf1485d2eccea10a657ce2696ca0c2016580dcf20000000f4d52eba497200b8e6238e4d28c18e10afb2ce1a1eccb23dad54b72ebc61f50740000000bad5d0af0e03d80e868d748527641e5ffa3ca384b6cea5d611aa0d0f8aa7d319cfecd41508b118acfd691bff40f5beb1a37922fd3a0474afd91cf849f356d41c	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30988915"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30988915"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371929031"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{42B87D21-4666-11ED-AECB-72E07057041D} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2376	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2376	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2376	iexplore.exe
2376	iexplore.exe
4928	IEXPLORE.EXE
4928	IEXPLORE.EXE
4928	IEXPLORE.EXE
4928	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 4928	2376	iexplore.exe	80
PID 2376 wrote to memory of 4928	2376	iexplore.exe	80
PID 2376 wrote to memory of 4928	2376	iexplore.exe	80

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://l.contentsquare.net
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2376 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4928

Network

DNS

l.contentsquare.net

IEXPLORE.EXE

Remote address:

8.8.8.8:53

Request

l.contentsquare.net

IN A

Response

l.contentsquare.net

IN A

54.76.111.221

l.contentsquare.net

IN A

52.19.244.129

l.contentsquare.net

IN A

54.194.48.226
GET

http://l.contentsquare.net/

IEXPLORE.EXE

Remote address:

54.76.111.221:80

Request

GET / HTTP/1.1
Accept: text/html, application/xhtml+xml, image/jxr, */*
Accept-Language: en-US
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
Accept-Encoding: gzip, deflate
Host: l.contentsquare.net
Connection: Keep-Alive

Response

HTTP/1.1 404 Not Found

Date: Fri, 07 Oct 2022 15:34:22 GMT
Content-Type: text/plain; charset=UTF-8
Content-Length: 42
Connection: keep-alive

54.76.111.221:80

http://l.contentsquare.net/

http

IEXPLORE.EXE

542 B
402 B
6
5

HTTP Request

GET http://l.contentsquare.net/

HTTP Response

404
54.76.111.221:80

l.contentsquare.net

IEXPLORE.EXE

190 B
132 B
4
3
93.184.220.29:80

322 B
7
93.184.220.29:80

322 B
7
13.69.239.74:443

322 B
7
8.247.211.254:80

322 B
7
8.247.211.254:80

322 B
7
209.197.3.8:80

322 B
7
8.247.211.254:80

322 B
7
8.247.211.254:80

322 B
7
204.79.197.200:443

ieonline.microsoft.com

tls, http2

iexplore.exe

1.2kB
8.1kB
15
14

8.8.8.8:53

l.contentsquare.net

dns

IEXPLORE.EXE

65 B
113 B
1
1

DNS Request

l.contentsquare.net

DNS Response

54.76.111.221

52.19.244.129

54.194.48.226

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
50e10d0c1d47ed3dad34cfcd6a9d764c

SHA1
7ccc215400c6c89e794dcf3b8d7b7ed006e94fec

SHA256
4e194f75beef2d97e3b4e3fdf4a49b5ce0b5f7f112097d3093b33d257b2912a3

SHA512
7f67c1ac984e0f2de6cb3e12fe856a86a0e6f1d690ad668fa11c94932c5846f12008fc375187e0c93f40026613096184e36aa4804896f736aeb1bec27fb265aa

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
b647b8122ceda037de2a7e3d3fd1b3db

SHA1
e31d833c7062763fdc7d2b5720f349f056ce9ae2

SHA256
fdab599c42c0a74da322cc242272f41ff7c6f79c70f8575adbbef34b1b9cc597

SHA512
dedfed8a8903b93d455daebfeccf34a73d030be12731491c3f10af95a0745be18a56bfea76e85cced48194f6b3285d46bfce48e57aa11c1e4072dd9a2970b87e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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