hxxps://trk[.]klclick[.]com/ls/click?upn=2btXoWEcr4c-2FeKSimYetAxD6d4iBIVXiwSZH-2BA11K5fqkvbvLMSC4iM3TgONzGXZH4B9SWa7aSqcE3h3nHk4-2FmyNuTsFXdG0A2pbi4a-2BZ42rIcEKTnFY6vxcLxSF-2Bk-2Fhgvdk2VFKzNkfQXwIdtNqnJoRWS6pgykfdHmvw4X9uKmGHPVmKLU4nUnrl7zJhKlRIzwOBsQfa4f45JQhqV-2F6IdPqCApVaSkR8e0FJmXWwvr-2FicZnCqCxvstXsHqOQTcXN4S-2BWSAW

Analysis

max time kernel
68s
max time network
137s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07-09-2022 08:33

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General

Target

https://trk.klclick.com/ls/click?upn=2btXoWEcr4c-2FeKSimYetAxD6d4iBIVXiwSZH-2BA11K5fqkvbvLMSC4iM3TgONzGXZH4B9SWa7aSqcE3h3nHk4-2FmyNuTsFXdG0A2pbi4a-2BZ42rIcEKTnFY6vxcLxSF-2Bk-2Fhgvdk2VFKzNkfQXwIdtNqnJoRWS6pgykfdHmvw4X9uKmGHPVmKLU4nUnrl7zJhKlRIzwOBsQfa4f45JQhqV-2F6IdPqCApVaSkR8e0FJmXWwvr-2FicZnCqCxvstXsHqOQTcXN4S-2BWSAW

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00f4356ba5c2d801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8E7173E1-2E98-11ED-8B0A-7A3897842414} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d3b98f5693c0d24b85f349229339c59c0000000002000000000010660000000100002000000099d579b5aa99e124f020f7845133c2dbf50de02ac91bc75112600207fea1d894000000000e80000000020000200000007c66b127c58845372c7073cf18c16e5f5132ef37c1eba6fcb91b3e79a727da2f200000006b01919d7389f514cd1df2416749223b281426dffa995ba2cd739008d8018b084000000091bd4b238d610c58d956745331371ea1cb7778be9ed75142908847927940452c12eb68abc65486e72e3dbaf17a314cc7d098863083efb15a7aa395287c29ab21	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "369311804"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1928	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1928	iexplore.exe
1928	iexplore.exe
1768	IEXPLORE.EXE
1768	IEXPLORE.EXE
1768	IEXPLORE.EXE
1768	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 1768	1928	iexplore.exe	27
PID 1928 wrote to memory of 1768	1928	iexplore.exe	27
PID 1928 wrote to memory of 1768	1928	iexplore.exe	27
PID 1928 wrote to memory of 1768	1928	iexplore.exe	27

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://trk.klclick.com/ls/click?upn=2btXoWEcr4c-2FeKSimYetAxD6d4iBIVXiwSZH-2BA11K5fqkvbvLMSC4iM3TgONzGXZH4B9SWa7aSqcE3h3nHk4-2FmyNuTsFXdG0A2pbi4a-2BZ42rIcEKTnFY6vxcLxSF-2Bk-2Fhgvdk2VFKzNkfQXwIdtNqnJoRWS6pgykfdHmvw4X9uKmGHPVmKLU4nUnrl7zJhKlRIzwOBsQfa4f45JQhqV-2F6IdPqCApVaSkR8e0FJmXWwvr-2FicZnCqCxvstXsHqOQTcXN4S-2BWSAW
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1928 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1768

Network

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\94308059B57B3142E455B38A6EB92015

Filesize
60KB

MD5
6c6a24456559f305308cb1fb6c5486b3

SHA1
3273ac27d78572f16c3316732b9756ebc22cb6ed

SHA256
efc3c579bd619ceab040c4b8c1b821b2d82c64fddd9e80a00ec0d7f6577ed973

SHA512
587d4a9175a6aa82cd8bb1c11ca6508f95cd218f76ac322ddbd1bc7146a0e25f8937ee426a6fb0fb0bb045cedb24d8c8a9edfe9f654112f293d8701220f726b4

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
03b4ece047df99c4a1866fc07e3d4efe

SHA1
3109f8af1c05496efed744d0338d0054b3132a86

SHA256
e3110e6ec8330ac6acd8a9c97fe7f3330dc04a01aa6cdfd406587af1144fc2fc

SHA512
776e605b6b3ca82271fa87eaebf8dc5e9781981df8591ab5ff8fea95490aed9a3a7d501240f243dcab96ef9a59dfbcdfbb948130e95aecff1855361df21fecb9

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\THK0LA1Y.txt

Filesize
606B

MD5
e0539efac03ec9852da07ce56f802a4e

SHA1
892c985ad5dbf777abc312a41a2f1e126afef85c

SHA256
2c854cc166c28280cd31772f5d10ff3ec86cd1aa1e6bffd172d4a7fdd7c5d11e

SHA512
90ce02dd60606d2bf31d62b4e7061be41dd559cf1a750b6534627f3850e01a1cebaf210332a98e6344cf2fa0366f731187b2fe1248ae8de2e84b6d8770ea5948

Download Submit