hxxps://w3g3a5v6[.]ssl[.]hwcdn[.]net/build/663225/2554997-archive-default?GoogleAccessId=uploader@moonscript2[.]iam[.]gserviceaccount[.]com&Expires=1669870526&Signature=S%2BwlhbcAnn3Er9THMJHQhfYuglqYSpwIraoxk905dHVhQncrRWOSIPApmn4XZq65YruGnvfacsorflKNQUzXio9UKYzd1bIxNRdlME4KHD4kth4%2BCdpOzV61vkfqU%2BC4c2xNUQTJY2ttrD6lj4tAupvvP5dhrtcyXZF5PtT31bn5uQBRcS8GXFgFoNx8N6xqP1W0G1X293WBjlacpGfmqrQXIaUPYbjwHgueVN2SwNwfKhrzzmo8SLNy3kYRWuogFbFVpupzg0w9Y2ZMILg3XWMa2trKmxLnIFCqWK%2FfoU737wPvhu%2FNvokpsLF6xc%2BU9IoAyYLWKTq4R9zwO8lrCQ==&hwexp=1669870786&hwsig=9ca99d9ed0f9bf056282322daab1d77a

General

Target

https://w3g3a5v6.ssl.hwcdn.net/build/663225/2554997-archive-default?GoogleAccessId=uploader@moonscript2.iam.gserviceaccount.com&Expires=1669870526&Signature=S%2BwlhbcAnn3Er9THMJHQhfYuglqYSpwIraoxk905dHVhQncrRWOSIPApmn4XZq65YruGnvfacsorflKNQUzXio9UKYzd1bIxNRdlME4KHD4kth4%2BCdpOzV61vkfqU%2BC4c2xNUQTJY2ttrD6lj4tAupvvP5dhrtcyXZF5PtT31bn5uQBRcS8GXFgFoNx8N6xqP1W0G1X293WBjlacpGfmqrQXIaUPYbjwHgueVN2SwNwfKhrzzmo8SLNy3kYRWuogFbFVpupzg0w9Y2ZMILg3XWMa2trKmxLnIFCqWK%2FfoU737wPvhu%2FNvokpsLF6xc%2BU9IoAyYLWKTq4R9zwO8lrCQ==&hwexp=1669870786&hwsig=9ca99d9ed0f9bf056282322daab1d77a

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 8497dd5115f6d801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 20 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DF60FE6B-713C-11ED-BF5F-DA2886E4F8F0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376639236"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

iexplore.exe

pid process

2216 iexplore.exe
2216 iexplore.exe
2216 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2216 iexplore.exe
2216 iexplore.exe
832 IEXPLORE.EXE
832 IEXPLORE.EXE
832 IEXPLORE.EXE
832 IEXPLORE.EXE

pid	process
2216	iexplore.exe
2216	iexplore.exe
2216	iexplore.exe

pid	process
2216	iexplore.exe
2216	iexplore.exe
832	IEXPLORE.EXE
832	IEXPLORE.EXE
832	IEXPLORE.EXE
832	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 2216 wrote to memory of 832	2216	iexplore.exe	IEXPLORE.EXE
PID 2216 wrote to memory of 832	2216	iexplore.exe	IEXPLORE.EXE
PID 2216 wrote to memory of 832	2216	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://w3g3a5v6.ssl.hwcdn.net/build/663225/2554997-archive-default?GoogleAccessId=uploader@moonscript2.iam.gserviceaccount.com&Expires=1669870526&Signature=S%2BwlhbcAnn3Er9THMJHQhfYuglqYSpwIraoxk905dHVhQncrRWOSIPApmn4XZq65YruGnvfacsorflKNQUzXio9UKYzd1bIxNRdlME4KHD4kth4%2BCdpOzV61vkfqU%2BC4c2xNUQTJY2ttrD6lj4tAupvvP5dhrtcyXZF5PtT31bn5uQBRcS8GXFgFoNx8N6xqP1W0G1X293WBjlacpGfmqrQXIaUPYbjwHgueVN2SwNwfKhrzzmo8SLNy3kYRWuogFbFVpupzg0w9Y2ZMILg3XWMa2trKmxLnIFCqWK%2FfoU737wPvhu%2FNvokpsLF6xc%2BU9IoAyYLWKTq4R9zwO8lrCQ==&hwexp=1669870786&hwsig=9ca99d9ed0f9bf056282322daab1d77a
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2216

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2216 CREDAT:17410 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:832

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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