hxxp://paloaltonetworkspartners[.]us[.]newsweaver[.]com/miscellaneous/1pryp1s1mqo2m6ct9cva8r/external?email=true&a=6&p=12291157&t=80103

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2023, 06:30

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General

Target

http://paloaltonetworkspartners.us.newsweaver.com/miscellaneous/1pryp1s1mqo2m6ct9cva8r/external?email=true&a=6&p=12291157&t=80103

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4007941171"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000675316f82fdac74aa8f3bd7995064a9700000000020000000000106600000001000020000000a7eec633ddcdb845f1b83d51e2773306cef5ddba671e8e47b12c4a4a815767b6000000000e8000000002000020000000244f9b859bdee9e7db6c1487d44c829fae146f313aa670871d4f66020e8fa3582000000029798e10325c1ae5edc081d0a960a082c239657c6e0a838192199a468b9175a240000000cd4adc994dbd545bcca2e2c67bd89bf4c0cf893a411115d16b460ead5fa8a62663208b310b7b0b3870795cd810c951b17a14cbb98bad9c5724a99fe67bb86995	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31020614"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20a3abf04656d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "385544006"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1950B515-C23A-11ED-ABF7-5603A1288413} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000675316f82fdac74aa8f3bd7995064a97000000000200000000001066000000010000200000001edc70bd5c24dc95ef5ef2b4db0335f0a798bdfcd92cb3a5b07da42149a7d0f8000000000e80000000020000200000002488603de65856abdfe88c8c9c28f5a9b4d468c6e16eca9bf0779299b3209b1020000000f608dc22cd0b9f05b2abd7c7cc872b608a49fb7a57a3cff7f7739b1a16c43088400000004c21db655396896b05f7c5e0815d4843728b04b0b878c03d948c20ca8a9b05c63b347be1abd90571b8e2d14e382112d5fb733bda730697bcb85dc7ab837937f7	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3996688227"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31020614"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31020614"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 404b9df04656d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3996688227"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4360	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4360	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4360	iexplore.exe
4360	iexplore.exe
1456	IEXPLORE.EXE
1456	IEXPLORE.EXE
1456	IEXPLORE.EXE
1456	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 1456	4360	iexplore.exe	87
PID 4360 wrote to memory of 1456	4360	iexplore.exe	87
PID 4360 wrote to memory of 1456	4360	iexplore.exe	87

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://paloaltonetworkspartners.us.newsweaver.com/miscellaneous/1pryp1s1mqo2m6ct9cva8r/external?email=true&a=6&p=12291157&t=80103
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4360
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4360 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1456

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\Local\Microsoft\Internet Explorer\imagestore\dcpq11e\imagestore.dat

Filesize
1KB

MD5
92f3ef43240ff054b237cd383e93124b

SHA1
7ed8e7429326addade3dc43146c8f52fa62b1a31

SHA256
a6e859a7126617d125657be8271f3841a261088d24165325ee4acfabcc697f55

SHA512
b0d72405e5690f940b6eaf4ffc0949d0ff3edc0d5407aa6a5a0b16c39c4932e627fc6d2189a0c3e8c57e5ebd7234194267513540fcfce5cbad88bbfa6eedf600

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5AN3FZ97\defaultfavicon[1].ico

Filesize
1KB

MD5
39ef12426734d0caa31c2e9d47a11024

SHA1
a7228f178a48e80b7f6148fea0042957d813d0a6

SHA256
e4e8b8c8bb505f677f04a26c3ed1be584bc5f9e809d0db92754d64868c6764d6

SHA512
4cca65aaf12f63521efefb1e4a1efd0faf3da4ad730639bd5dc89e20b0baa6c678129f15171f826064f7be586d545530b65b7b48c7f0d30be0e35750715e25ad

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S64KWKX9\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit