hxxps://click[.]snapchat[.]com/aVHG?pid=apchat_download_page&af_web_dp=[//]amazonpc[.]ir/cp/AcZPYNny/gsajdak@evolenthealth[.]com

General

Target

https://click.snapchat.com/aVHG?pid=apchat_download_page&af_web_dp=//amazonpc.ir/cp/AcZPYNny/gsajdak@evolenthealth.com

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\InternetRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0fd23a8ab04d901	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\IntelliForms	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\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	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 (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000cb80867872db944dbe8b08731a8c94a300000000020000000000106600000001000020000000ab2e1446539312eef4827bba821106f1a3ce1386bfede790f84a6940d862c10e000000000e8000000002000020000000df01b47757f4c5fdfd25a3991c1c34c33176b898490b6ecfb8e4293afd65ace720000000129a9c15db1ad97d1864019508a5d0f187ffd9b4f57bb16ae4e4a42f52619a3040000000cd949e079c92fa309260ad1c2f20e545df316d2a7a028d147031fd869d2bb39c3a6e156f6613310b620489ad694ccb8a8af52aa6959dd354822562e658a31ec7	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\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	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\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376571265"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	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\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	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
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\DomainSuggestion\FileNames\	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\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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
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
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{CC8E87B1-709E-11ED-8B55-6651945CA213} = "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\en-US = "en-US.1"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1912 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1912 iexplore.exe
1912 iexplore.exe
2032 IEXPLORE.EXE
2032 IEXPLORE.EXE
2032 IEXPLORE.EXE
2032 IEXPLORE.EXE

pid	process
1912	iexplore.exe

pid	process
1912	iexplore.exe
1912	iexplore.exe
2032	IEXPLORE.EXE
2032	IEXPLORE.EXE
2032	IEXPLORE.EXE
2032	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 1912 wrote to memory of 2032	1912	iexplore.exe	IEXPLORE.EXE
PID 1912 wrote to memory of 2032	1912	iexplore.exe	IEXPLORE.EXE
PID 1912 wrote to memory of 2032	1912	iexplore.exe	IEXPLORE.EXE
PID 1912 wrote to memory of 2032	1912	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://click.snapchat.com/aVHG?pid=apchat_download_page&af_web_dp=//amazonpc.ir/cp/AcZPYNny/gsajdak@evolenthealth.com
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1912

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1912 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2032

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
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
304B

MD5
e3ff77b39a534e4613a0e57e60e6f84b

SHA1
becb3c066c50434d858395826ed32463f795199b

SHA256
bd4ef1826cb7c4ceaf09328d74a09b9d025f214c30402a54644319b248a25bc0

SHA512
374245509a2cd17e5214234ea1558b257b6fd75b47b6dc7da0cb02c33c44f78676dba4f7ce5499a0c3232a20e0cf4e12dd574d79d1f1579f34a2b9eac0c5210f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\U81W5WTV.txt
Filesize
608B

MD5
20b1d6e0cd3494f140e8cb12fa38aa4f

SHA1
9e3e2d01e068b12ca7d746642c439de789a09d7d

SHA256
e5eec12350991f57edcb89974cfc4676473897eef6fe63df62033ce86877e2e9

SHA512
f38aedc547610f4dcb1fb0878eb15cbfbf93e01633439eb0bc3e8f01a2969f12af84e7a261054c52dca2f51e42d29875a787269b7dca3324db25571e57f49cf7

Download Submit

Analysis

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