hxxps://u31364105[.]ct[.]sendgrid[.]net/ls/click?upn=jGY5ItApGR3dTrBWedLuYO3pP3e-2FgcwNe28K2MPvGaTs880OILML8nL-2FTXMmM2C0i9YRq0zSHvkHcsZVFOBVbMaeHDHdR14uwKkaXMvFhfvT-2F6Kyt36Mqm-2FhA-2BSaUu-2F-2F995ow7W9llpi8n6w2yID1SZNfCgfY1GED5b0DSyx9df1nSz7TZX5Oc7tvIxIicq4C1

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
09-01-2023 14:02

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General

Target

https://u31364105.ct.sendgrid.net/ls/click?upn=jGY5ItApGR3dTrBWedLuYO3pP3e-2FgcwNe28K2MPvGaTs880OILML8nL-2FTXMmM2C0i9YRq0zSHvkHcsZVFOBVbMaeHDHdR14uwKkaXMvFhfvT-2F6Kyt36Mqm-2FhA-2BSaUu-2F-2F995ow7W9llpi8n6w2yID1SZNfCgfY1GED5b0DSyx9df1nSz7TZX5Oc7tvIxIicq4C1

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\GPU	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\DomainSuggestion	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\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	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
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\BrowserEmulation\LowMic	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
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\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	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\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	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\LastProcessed = 601b8baf3b24d901	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
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "380041606"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D3610681-902E-11ED-8B0A-7A3897842414} = "0"	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\IntelliForms	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\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002708b562b957af408ed7e125e6287c330000000002000000000010660000000100002000000024aece6474d693e7ef71b17d065da495c77c4e06f45edb39050737cbea6e5c13000000000e80000000020000200000005c65963bf8f4771bcc0ce94ec6a31b5f2a75684b1e93345766e44e914c3c62fb2000000061e0bbb5a5d76f7c9c6ff96149a5c7936c11bc3459a9b8c17dcdd31f1c0840b74000000001a4b9772096e78c979f195fe3158e2bf996de9fadc35b7e22a14edd13bea82f010952e69e7cf60284eb2fc7af70d23ef5aa3d34d489259832f189bc6b264316	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\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1976	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1976	iexplore.exe
1976	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 1976 wrote to memory of 1768	1976	iexplore.exe	27
PID 1976 wrote to memory of 1768	1976	iexplore.exe	27
PID 1976 wrote to memory of 1768	1976	iexplore.exe	27
PID 1976 wrote to memory of 1768	1976	iexplore.exe	27

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://u31364105.ct.sendgrid.net/ls/click?upn=jGY5ItApGR3dTrBWedLuYO3pP3e-2FgcwNe28K2MPvGaTs880OILML8nL-2FTXMmM2C0i9YRq0zSHvkHcsZVFOBVbMaeHDHdR14uwKkaXMvFhfvT-2F6Kyt36Mqm-2FhA-2BSaUu-2F-2F995ow7W9llpi8n6w2yID1SZNfCgfY1GED5b0DSyx9df1nSz7TZX5Oc7tvIxIicq4C1
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1976 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
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

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

Filesize
342B

MD5
fdff173b934ccb04898348b53f7b40e6

SHA1
4bb026c072761afaa5f5fa2783b16e90198f7357

SHA256
8fa614a58734583513623f61e15b0dfddfbddfc00e24f2a7940565c37f82e2ef

SHA512
9d95d73f8cbf4c3a644b16313b82b87082122cace8492b56e845638eb23eafc49cba3e326aee112279aa3c9b40d0e0a9e9acf8a3430da152a601d182d63e8a8f

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

Filesize
606B

MD5
8503e3a792b0465986a922eebabd0d9f

SHA1
8d133cd6edd7f1fce4173851cc38a0983a174f6c

SHA256
8dd57d369b6ea20310b1b62316e2c2f4cf4684d65463564c8294de79865ef15c

SHA512
bac15f7aaf19177d44230c6e1d480af19418ca2d8bbbca6c4e55afc0af9c24b15514d7d02267a60fcc0bc35f1fb623ef222fdb973ba490761210224ebbc920d4

Download Submit