hxxps://www[.]microsoft[.]com/en-us/download/details[.]aspx?id=8109

Analysis

max time kernel
112s
max time network
114s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-12-2022 23:18

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General

Target

https://www.microsoft.com/en-us/download/details.aspx?id=8109

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 20a1a817521ad901	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 802d25ff511ad901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "378951697"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{2F541B61-8645-11ED-904C-EEAC7132E42C} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003bad9e5810411a41b405bdc87c3b0eb800000000020000000000106600000001000020000000f5a8e38ae122757c7fc5d355c48847304417174e9d72151fb136cb1c7330fc6d000000000e800000000200002000000080f9aa2293b50ce37e2b6fcd5f12fde988e32fa1a0f50381e70f2ee89a7a67cb20000000ddf227bbff7e995ddc2a14db8a8fde0b74af3bd665d39a1bf47707f7a53bd8984000000028cb6f089e097386876a9cc9b7971c97290e0e8f04a30642f7711973a2cdcd6dc906578d533ce1229c540e6c38f71dea3fd1841726c2d65e3bd30aa78186ab97	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	1420	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1420	AUDIODG.EXE
Token: 33	1420	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1420	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1748	iexplore.exe
1748	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1748	iexplore.exe
1748	iexplore.exe
672	IEXPLORE.EXE
672	IEXPLORE.EXE
672	IEXPLORE.EXE
672	IEXPLORE.EXE
672	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 672	1748	iexplore.exe	29
PID 1748 wrote to memory of 672	1748	iexplore.exe	29
PID 1748 wrote to memory of 672	1748	iexplore.exe	29
PID 1748 wrote to memory of 672	1748	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://www.microsoft.com/en-us/download/details.aspx?id=8109
1⤵
- Modifies Internet Explorer Phishing Filter
- 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:672

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1144

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x590
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1420

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\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

Filesize
304B

MD5
0ced3b941599b4264e711ee5b8a6bb67

SHA1
1bdbc760955632c3f86e762c8204ebb8a02959f3

SHA256
a1d95b8f34ebd5b62d0ee939546109b5bb36ccb472b46468caf381a4ee9198f5

SHA512
f88b097c102d954bedc132c8b3633fce2ca1d521e7f792f5d5e3dc379f10991a7a58255c8f624822ae0a1c37032a30feda643a0ccafc0ba842149c607ae01dce

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

Filesize
304B

MD5
241d6dbe9fdbd6c4e10176d7c0e2e206

SHA1
2b69ed155ac32fb7d6a813b3d0c433775f9bd3f3

SHA256
7a6eabadcfdc93d432f9f3f1eb386031e0c9ee956ae6f92fcf09be6e2cb8d856

SHA512
c4c48e9d1ced32e1c81cad3473bcfeff2a73be658416f85414fff80a8e73d533b9f3724cb7aa01d5424f3a7c7d36bd9a08aa891acf7c648e15a05e2006766ffe

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

Filesize
342B

MD5
9b41c68c6aff4dda1f67ad3233b04721

SHA1
708a5b04d0ad8c839ce1adf1131872141f02463e

SHA256
b2d850a7c39437d6763d37ee6983eea464f55432605528588612af9af1ea4d89

SHA512
c6632371828a4a16fad666ca4041cfea0cf245f0a8e4e788ad864b600e8df2a16dec6dd05a9329c50e131f062b7bd05946e9b54018e9d82c4407ca7d195c1458

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
db88f7afdc55325c5af9270cad45a6ad

SHA1
a12a2689b2e2aea3f3cb064d50146b9dc9a16cdd

SHA256
bc5c217c9e6dcde63720ea745fb5f58f09b038d82b0a9dd76056776a73c75adc

SHA512
8841ed68581a96168f230ca5aa68538c059b1ede0fbd2b5c0dd0fc9e4d552115fe4f891bb8b69a0895691d4f0fbaff3dd45878d8086abf6bb6901724da06803b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\mlf2v8h\imagestore.dat

Filesize
17KB

MD5
39fc6f1fd8438884d077d68a03f151f2

SHA1
56b74b421907debfcfa8d103413e05fb2c5441ea

SHA256
0d88a0431f265eb514bac6a3c0ae40e12c91594cf45cf3047b4f40d5e0e5dcdb

SHA512
937b15ef285bbcd1b5b1686eaadcd18ca6a75a7b9fb262fd19d0d75dda5da88eb4f900a93cd02bd4c1f3bc185e058033cdc0b24cfa57bcd7f53aff87051502fb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\YT1AL9CX\directx_Jun2010_redist.exe.cayo9m1.partial

Filesize
95.6MB

MD5
822e4c516600e81dc7fb16d9a77ec6d4

SHA1
7e5d2e5e1a13fbc47f990cc55cbdb428cd12f759

SHA256
053f76dcbb28802e23341b6a787e3b0791c0fa5c8d4d011b1044172dbf89c73b

SHA512
04c6347e6db6cff037a1292a88bf062c3e4042fb265a665afdbe7616aed7936f4955a35637a86c30332731762e0052b6f5c721f9fe7682d147e0965a7fb77a63

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\FYGR9MP9.txt

Filesize
968B

MD5
f6d0eac41ce5833ae761fd6bc85395e6

SHA1
ef2bb6c4cf8739f355f864e35d28365c43bb3976

SHA256
d68362c17fa9fa40257b1ceba3aabb616cd3ed669d58d096073bf3bc0c2bc33b

SHA512
568aa1e16ed7c95a622c7449e4c1bf01e0668d2abc35cb56123c073389696d0cf9f13a17bab6f1be22c300b48abfb97c70603be3fce686ee81c455d1af3c20f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\HAXYL8TZ.txt

Filesize
1KB

MD5
01a039ac5666e747eabe237f7f564819

SHA1
42a0a6c102e4af9960a19990c15634fe6a7359e3

SHA256
f246eb835c28c6c620e48271c840a76e5faa3d122728b5ec5a924512b9e1a4a6

SHA512
bc57fb74bbbc86a6a9aeee93210903f1b42b4485157402233d75ab5f0e469f48d92dbda8b06803bb972f2dac9469c0321961da34991d9b1360a46556cbc951e0

Download Submit
memory/1144-65-0x000007FEFB7F1000-0x000007FEFB7F3000-memory.dmp

Filesize
8KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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