hxxp://go[.]usa[.]gov/xU5JC;

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
22/04/2023, 19:19

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General

Target

http://go.usa.gov/xU5JC;

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{5FCF9C11-E153-11ED-B6C0-4E1AE6AC1D45} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000dbb59ddc676e394a83d3f942d26f43ca0000000002000000000010660000000100002000000009ab951804dbd41c36ecdbadca08ba342d1c76a0e1982a6958564c8b2f8fb8b3000000000e8000000002000020000000edded7467795b17e2917ab39d30415106e2d958dc899edff6fa99f79a053d0a220000000c592cf2c764a02b151bddff86ca18528438cdb324f5456003fac894fb662446040000000e54c7a348418773d987572ec509bf2c86aba0be57087c3a0c477c62f7c87a947c2cc45a4482438a853b70c3811ad59e567dacadab3697e8aaf503c7c59d62b66	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00eb643b6075d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "388963348"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1192	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1192	iexplore.exe
1192	iexplore.exe
1184	IEXPLORE.EXE
1184	IEXPLORE.EXE
1184	IEXPLORE.EXE
1184	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 1184	1192	iexplore.exe	29
PID 1192 wrote to memory of 1184	1192	iexplore.exe	29
PID 1192 wrote to memory of 1184	1192	iexplore.exe	29
PID 1192 wrote to memory of 1184	1192	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://go.usa.gov/xU5JC;
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1192 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1184

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
e71c8443ae0bc2e282c73faead0a6dd3

SHA1
0c110c1b01e68edfacaeae64781a37b1995fa94b

SHA256
95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

SHA512
b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

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

Filesize
342B

MD5
2addbf625ff26455cad4ff2c4a2e1818

SHA1
f173ca8c78d090eab99ad39932a98f02354e5f5e

SHA256
aa5b727171be02485ff3c3eedbd3c9762cb9c6fee1bef083b2ee013c7d604b4b

SHA512
5581aac22f8760a8fe265992e7970ef6179bbf297d51d2c6d3880ddcb5a00b5bb52f3136da9ac8177717691215e7de2e7ea5eae7280ef8640808709821806e36

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

Filesize
342B

MD5
285b5d2bf5c938d81d543edadc8a18a9

SHA1
48ce812c6a7bb57813e9afb658ac231a67059dbb

SHA256
08aab12a7bd41eb4bd241ab1869e7032f858826460ee9c511b7bd103b365e4ef

SHA512
62d3c685f7e7ca1ad9fa45184eee3f9bbd6c4076ca1caf9c8202a2a91072c1e95c8eb1f676a1ee45dc41562fe95179be3ae5eca1fe4cdec5e472a91ba6dd56f0

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

Filesize
342B

MD5
ad2ee735c8275a615c0587188680c141

SHA1
9b2ce28f5b36c6c2b7db9380a581408926a6fd20

SHA256
49f689a1778318af26910da2bc5141a24cd54f572f77f6880038ba43e603c063

SHA512
45b8ec8ee44e208c93c65aa82e29a678edd742f0bf84cf35cb5315ba1a1f1e77660c662c253405e1be70ff67d612ed85cced1eef114ff52acb8013797519680c

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

Filesize
342B

MD5
476986db5f12c9de9fe339d8eed74234

SHA1
027f6d7ee7a0382199ced4e1c6a482a76e0f4b5e

SHA256
57556ad74d1b0b3fdd445f549a06ce040a238c070ef4d0a0bab452af176c1fd5

SHA512
cfa1bd7d93d969e4b6e3ab16af8f0a8a8dd7db0f9e5dd83a407d36f2b6a3c159dec1c203423203f74e95533694b194024d8b9b50813ca4d8c79672d7c6e13dfb

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

Filesize
342B

MD5
b442bfd7e47a718dccefee54f1c855f4

SHA1
f083916c460ad6874b59aa4b1d911300661dd278

SHA256
0e85e867d4b779b573f8e82995c0600eb06aad779758d5815ccdf0e951296426

SHA512
64ed3707e36d36e2c36c90087b3a2d3721c2c142c65dccf6946f7b4ffb24ac629e9e6d6303badf96d1a31bb448b0442719c0d660dcf8adc8d37a3ddb3a858e1d

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

Filesize
342B

MD5
fc1f532bfa1ef2ce8c1066ef0642cb56

SHA1
d6e369fe11a5facb6b475bb44fd81d072e80597e

SHA256
ee826fcb65eca84dd78e39a6688c3298bff9f4ae6f11fbc7b83f7ecfa3c1cd7b

SHA512
55dcaa1a72b403b0f5d4597cc0ba01d389b9d933982f4940ae45b311c911136d4fd505bf2d7fa1cf5b690d1d101c25cfddbc463f13773767cf5157ea61329cc0

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

Filesize
342B

MD5
ed612d77faf4cc22d9d94c986fa5e6cc

SHA1
445e8c66f6d062aaaa38ac8865dbc1f9f23e8072

SHA256
c1a10fc85d1990cb75d41654cc70f5197243480fbad2ab3914364f9b3aedfcb1

SHA512
78bc50e005252897e45d896ac185c10c779109c2f77d8c68ddf5415d66ab9359e96c6e40e951c4b3d7503880e38561d6db459787adb5c93ce3536e44e2a1277e

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

Filesize
342B

MD5
fa5d5f996c648cdbaffded0f1838e8eb

SHA1
f1a61b1882b64aade5152b936cd6a70022db839a

SHA256
ca9548e16d66d004a5bd3bef78130a5d1c35b86deabf17e456fed7eb4af42876

SHA512
087196c1aa0be1cebd619d16f335ebe921f356bb466a0aa9aec0d3e34f295de5867ab4b79ef8da8ff590de1b38a7d5f82f0308358939a85960af561d11682b8b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\4D33E1QE\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4D48.tmp

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar504D.tmp

Filesize
161KB

MD5
be2bec6e8c5653136d3e72fe53c98aa3

SHA1
a8182d6db17c14671c3d5766c72e58d87c0810de

SHA256
1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

SHA512
0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\X0GH9E2S.txt

Filesize
605B

MD5
2e716c8c0a622735eed8840eca74a15d

SHA1
4b70deb60cf8c3b1c50f474ead516047ddf373b6

SHA256
c69c05b431d19a1f387b4e73302f8c9676b75c115e9040a6aa775de1d229c9ea

SHA512
b55e5cd50a6af26d0671691dadcc8636deb313b346e1393fb4a966d6eedfc42428d3ca3dd60b4c5a7a62c938c06367019ad2b28e99f7aa2721b5c9bb8c583415

Download Submit