1947505600b08e51be206bf1b4b56db0f975db534f3554327a6c0d78d5a9f59e

Analysis

max time kernel
100s
max time network
135s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
17/04/2023, 15:30

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General

Target

attachment20230417-19853-cszryf.html
Size

1KB
MD5

c59bdb7ae1b6b6473ee1809f956242be
SHA1

bba5bd5dc7f488563bf13313ba154f5d7a874ad5
SHA256

1947505600b08e51be206bf1b4b56db0f975db534f3554327a6c0d78d5a9f59e
SHA512

e467cb455d9945b24151a02d9c6bbdf9fabeb79eeb20c22bf304cc853c6dcc888559cecb113411a7cc233c6dc69623fd76b03d3300e2cd42a37a35a2a59e0079

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "388517606"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8CD2CAA1-DD45-11ED-B609-D28FF4BEF639} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c8a3886e844ee04ca528537b5bc45899000000000200000000001066000000010000200000003dcd77557e79ce32e7bf90881b081aef236c2c8791c7181baed34901b4dead99000000000e80000000020000200000008d91a557b7ce4b064f2ae1f7c57dc2c2fc20be077c48527dc84fde0677c0cbba20000000ef4503267650a64a3c76b1c9528dfda137277def02a48c4a9a9089241106c41c400000000da362b1f74c045f8612c60761acdcfd49247d50a7d0084b53938092183b42654d13afeb73c52212522e0a8be92145b3e9143f39cb79c32f5f93708b38f1df4a	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 507d85635271d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1212	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1212	iexplore.exe
1212	iexplore.exe
1484	IEXPLORE.EXE
1484	IEXPLORE.EXE
1484	IEXPLORE.EXE
1484	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 1484	1212	iexplore.exe	29
PID 1212 wrote to memory of 1484	1212	iexplore.exe	29
PID 1212 wrote to memory of 1484	1212	iexplore.exe	29
PID 1212 wrote to memory of 1484	1212	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\attachment20230417-19853-cszryf.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1212 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1484

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
6bdfaa485059ddc7697057ae49b0b6d8

SHA1
1be0620be0fce28610a8bb4f32a0fb769af82e43

SHA256
a9162768a7b2b5649bf2e58210942b81fb880918bd3f076c8ce8e90f4daeb92f

SHA512
d72ef85bb0dbbbe2ba002674e426501339403f596507c1a44a32b8fd4fde7aa20452e2560cb38c0d3833098b9b847b7c26875865bec513d6e98ef7a477a98aec

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

Filesize
342B

MD5
226d6d5fa2346f02442bc18bca477170

SHA1
117bfdc2f50e8b2c91386137be28a8919e4f1a58

SHA256
2a47a2768684756836c1157300172aaa2d5559afacfa4e66417b00ce6504bd7c

SHA512
fb9311e558b1c6b028cb5fdb3193899334bda20f596b4e0d6183303ecf69b696477abc191e7004b069ccf2dff8ea26165745c4ab73f9b519706cbe91a35bd813

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

Filesize
342B

MD5
3ada3972dd6f4ffdb594fefc5a857129

SHA1
2cc9c2e91e82b8a32c20a09d01dff09bfa488e4d

SHA256
16a0a82fa115602bc850b98da36f62161c2d811f3f2e88f861ba5f2b85c39265

SHA512
02b55b5d5ac72a811c1e94f4272e40fbbbee09bfcb4d72a67b9d774a377f24a19d290a18bc5ae6c9d0d4483a39103ed98c12ef50e54d63189b4a1b41fd92db23

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

Filesize
342B

MD5
291563f755d8994069e3e99994557241

SHA1
7a362e2ccfce1cabaf9db3730caae188eeea58c0

SHA256
f7a2b4bc0dd2526109efb6aefad1179f77bc4f5e069ef1361d77a81c735b31b4

SHA512
64b1690f42491fa92b9050e1c056800b559fb15ecf813b92915d920d21ffb5a28daccf1526dab5906431e4fee37c31a43e6243cfaa3c654bdb3cd354d17f018b

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

Filesize
342B

MD5
c96fe0101f8aefdd65ea702064c2a969

SHA1
5695b55afdfdedf700285110bfb5b54419082b7f

SHA256
de62a749a66e45657bce3823b1bc723137b0a7532453328ffef25c7b05ce55fb

SHA512
299c17a64f1329162be635bdb931022b3af3d2e1bf4ba507978e8a5b886d82a00897b4aaf5cff9afd05ea9a86367d4c1a74ad80058d20513424da0d2694b9740

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

Filesize
342B

MD5
8ff8b4fe22561bf8f3b540f887f9c438

SHA1
a1f4e72ca1a7fb383d2ea542fb820023a3169539

SHA256
640a5a55d1557353a3fac97e890b0a9c12e6a4a13f7a5584adabfc1e0cdf2429

SHA512
453ad7b0c5c42d91fcb48b880cd0b4ced017cf2827e98bd10204167d786d46b660ef751029d30973a8db77d27b345b4610bcae01078abfb1044b744b95fcfd80

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

Filesize
342B

MD5
64d86d30b39f4934eb2042f5f6b8ec7d

SHA1
deb3c3b1b1d3aae3c9ec495631802e9e0b619f95

SHA256
0d905169c1ad5c98160da56bd62260f7bc6dadfb38e07782b16fb05e1ccf6601

SHA512
9417e63bbe9fa1dee98d1fade1cf718bca300b7585dd17d1781654ad22ecbf192bdb6e0664ef28d367637ca606651fc6a1c550a6c28b23af30af596d2e62918d

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

Filesize
342B

MD5
3f6878baa6ec6c25eb96cb0657f39233

SHA1
37d2d1c4ce745f61873027b1d558613634fb086a

SHA256
5602ec6f1dc53234095e41fa054ce4b2b4a27fd3caf3aa264a0a843792be5a5b

SHA512
3c41bf7cdefef02084da4f40cd35b65e533ec5eda772626c314347d87c5912ebf83dbc67f53314120eefad0f5415fe423a121ac94651420dd8e18ad3a7f24254

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

Filesize
342B

MD5
094f3a9145589ab1d7e4c2c26333fffd

SHA1
4f638b21dce66e13c5cc23ba1f160e23fcb25d84

SHA256
70e7399e4cee9ec170f1a59a174bcf23dfa573b0eaa2469c9c8542c7c27f0d6c

SHA512
f6afd9232ae9e81e471da5693ae79a915b56eb012dc402b83c7437be43ed2de46997f02246e12309d81dcf430707965205d82167c8506a5f28d3a7fb0136caee

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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\TOS3MI7U\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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C:\Users\Admin\AppData\Local\Temp\Cab4194.tmp

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

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C:\Users\Admin\AppData\Local\Temp\Tar4536.tmp

Filesize
161KB

MD5
be2bec6e8c5653136d3e72fe53c98aa3

SHA1
a8182d6db17c14671c3d5766c72e58d87c0810de

SHA256
1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

SHA512
0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\EZYMC2PE.txt

Filesize
608B

MD5
e5fe9778982a2a34b25ba2d2b20d084b

SHA1
5da3f432007462883b589bff327077a987488e4d

SHA256
3a9dd70eb910e8e78a8ac60c906590cb3f543381e8d4128b2c1be921b532f45d

SHA512
c3df2b5fe5cb7e46331d3a6357db6ef90133f93458ed87e3fb71840d6b45c3a5b9adcf2f88337662335771a92b08c4e903ca3fc14dec1e032b79be56a11c8101

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