hxxps://api[.]viglink[.]com/api/click?esrvfxmfpitopnouymfi&out=%68%74%74%70%3Aftxhwxkqsi%2E%6D%31%6E%76%2E%63%79%6F%75%2Futpzi/rx/YTJsdVpHVnlaMkZ5ZEdWdUxXVnNjMjVsY2tCemRHRmtkQzV1ZFdWeWJtSmxjbWN1WkdVPTpkZnp4bm1qa2xj&key=fd5de1d096b38be9fffd6ddc1948df4f

General

Target

https://api.viglink.com/api/click?esrvfxmfpitopnouymfi&out=%68%74%74%70%3Aftxhwxkqsi%2E%6D%31%6E%76%2E%63%79%6F%75%2Futpzi/rx/YTJsdVpHVnlaMkZ5ZEdWdUxXVnNjMjVsY2tCemRHRmtkQzV1ZFdWeWJtSmxjbWN1WkdVPTpkZnp4bm1qa2xj&key=fd5de1d096b38be9fffd6ddc1948df4f

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000062e6ef0d45f4454ab79548c962d74cdf000000000200000000001066000000010000200000006a47653889bddb7d9dc3178d0408e61cb0bc6b1be94f05fb83378929ab90496a000000000e8000000002000020000000c4ac7b73bd06b4ca1e1fcfbbc01fed74936022ff0a43954a9ef94a9d9c194bec20000000ac5651fb02d2a6c0d7b77ed57a76eff732036b7b503b9526260e8564a2c4784d400000009440204c6e83777250bf35caef4efad340f11f93910b1cfb020a8c612b7cdc342c6324248875d7bdba883f6012bc25f420d1ceb4dd87839b0045288d1bed956a	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "368637848"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\de-DE = "de-DE.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 106bfd3e84bcd801	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{61C875E1-2877-11ED-AC5E-E60EF78AFC87} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1748 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1748 iexplore.exe
1748 iexplore.exe
556 IEXPLORE.EXE
556 IEXPLORE.EXE
556 IEXPLORE.EXE
556 IEXPLORE.EXE

pid	process
1748	iexplore.exe

pid	process
1748	iexplore.exe
1748	iexplore.exe
556	IEXPLORE.EXE
556	IEXPLORE.EXE
556	IEXPLORE.EXE
556	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 1748 wrote to memory of 556	1748	iexplore.exe	IEXPLORE.EXE
PID 1748 wrote to memory of 556	1748	iexplore.exe	IEXPLORE.EXE
PID 1748 wrote to memory of 556	1748	iexplore.exe	IEXPLORE.EXE
PID 1748 wrote to memory of 556	1748	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://api.viglink.com/api/click?esrvfxmfpitopnouymfi&out=%68%74%74%70%3Aftxhwxkqsi%2E%6D%31%6E%76%2E%63%79%6F%75%2Futpzi/rx/YTJsdVpHVnlaMkZ5ZEdWdUxXVnNjMjVsY2tCemRHRmtkQzV1ZFdWeWJtSmxjbWN1WkdVPTpkZnp4bm1qa2xj&key=fd5de1d096b38be9fffd6ddc1948df4f
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1748

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1748 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:556

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

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
0f938020966055d658e2be12ebdc26b0

SHA1
342c561ca5edd0ec3b2c2f5916ae278a10ba0ada

SHA256
cefcec6410be8613528695ecef80340e48c36bdf0465e096011acadc2a0ef58c

SHA512
5dd8ac05ff6f297d6b71e670ef656f064e5329530c282d7199de8f929d97862061142b1a9926bf4ec7736e8d7f782d468dd0c00ba9f1db439402909fd7fb442a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\02PQNKOR.txt
Filesize
604B

MD5
6af8cdc7ac177ab8a73e3caeac51a95c

SHA1
53965379de653a5aa7e5f49d418093fbb36d1432

SHA256
ea053c718ad7afd32af742ffe2f955ebeb41a36f5fc85d16d2bb6f11e0080b6b

SHA512
c150ba3ba7891b12750e6bd0fab71615bf99dfce80845ad01b3df8e51794192d9c813cf1bf9ebfc6b5c8a396d1f6bc1a2afb5a9234cf8145a263d9e76ee5fa64

Download Submit

Analysis

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