hxxps://cert[.]pl/

Analysis

max time kernel
129s
max time network
147s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
19/04/2023, 08:46

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General

Target

https://cert.pl/

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{84329FF1-DE9F-11ED-9CA3-DEF2FB1055A6} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c0c3ca61ac72d901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "388666197"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000f35fd4ec1ca1494aa57fdd0dc6b810a4000000000200000000001066000000010000200000002305f1bbd5d85340dd1da5b11b3fbadca1503d38b01ebe16c73e0aee73b6fd0d000000000e8000000002000020000000b68e4db627283f4089d092596d03a172e3f409823a0e91c963fcbf62b0241843200000001bf218265dd40ef410c6e3b94d6368f4f760bf732d76375a9bea738bb39eb5ca40000000afabac4d8b04340af89e0ca296b315415f1785776b749ce7bdffb9d77dc188cda647f3d0d183b90c6cc95fef1321e2e09b77fe7b9336d83ce40f995e43178758	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1636	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1636	iexplore.exe
1636	iexplore.exe
328	IEXPLORE.EXE
328	IEXPLORE.EXE
328	IEXPLORE.EXE
328	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 328	1636	iexplore.exe	27
PID 1636 wrote to memory of 328	1636	iexplore.exe	27
PID 1636 wrote to memory of 328	1636	iexplore.exe	27
PID 1636 wrote to memory of 328	1636	iexplore.exe	27

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://cert.pl/
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1636 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:328

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
109258de8e264ccdda8a327237a774e6

SHA1
17865232f29153bc6c6145caf67e8dc288393d65

SHA256
dc8d3d727e83ccc9c13dbf9d20a49fea6686282475e46e78091e7b481b24b0a1

SHA512
f65663e7ececebfcc55b0854e203522a445d4ffeb320abbaf8742d496bfcb91f5b356224232240b2c2d99446c7c7525ffdbdfbe0113710c01b815801284cb504

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

Filesize
304B

MD5
5f980b859a8c043c55ae776f42fe8a0a

SHA1
5b2d9605d89bea0c842f9e634c3ededd7e979c41

SHA256
e667ef44c72528f5eaa9841c3b5ab0b6193d6eb3a9cf24db4ad0189d090c85b4

SHA512
826afd0cda58f72d28608f4a11ff83486d5082d9a2fd255c4dc817b46dc03fd056965f2878960ac3d8bc002778af5d9a954899f0b1275f8007e616de2521b37f

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

Filesize
304B

MD5
c429445d9b15b36b84fab98b1994cefc

SHA1
bb813ac963a8aa1f8f20bacf36df07d58e025251

SHA256
3f2b7ec53f75ff388f661a3a2764d508ecb9827d7ea14c16e1db423df328c6a0

SHA512
03a4545b22ecc2968e0ab0514777258b682d061a2ddbb17ce44b7d3c9fd3c4ebec742a9db5b57c962bfa2b9a7a6ad9eb7e4889f5c92a9f098e2856724b82c334

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

Filesize
304B

MD5
a72af7ae592e3926f1b8ec4557d5a1d2

SHA1
4b2da96f7601fe0b199d0a5724f1ab25df8d3405

SHA256
1fca5a41f65484a78d27f654c1cbfb06bd9cbde424fe13c02c050d5640327593

SHA512
cd5099fc1a3bdf3fc5bf4e7a3840f80566e2016f7a111ec6e772a05d1cb3865a5b2c1fe95a4d6a6a3ed95fc33807b3548a21cdc63d247a3e74eb2602daf785f6

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

Filesize
304B

MD5
e63377c62f525fecf244e1fda733d6e2

SHA1
a5d4b611b7717461a0b0d6099967a1dbf6dfa89e

SHA256
4b2545f102d26cd8f1a7dd0ecb85ac940d1db2f0a885d3849bcfc032ce62fcb8

SHA512
7a9c3c0da866ac9c87edaa44175529f563b42cbf9da769bb491d1fe6a970c5e3c2d33ea8e1798ad77876dd52edd7d4d61e2d9362847916ae6c7c3ddb44e53d1c

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

Filesize
304B

MD5
d2e8a0bb47f3a81f85d66cd27b60f64b

SHA1
e299297408a294c6434202814d42af9be915eca0

SHA256
34b352481c91571daf8b0595d8bb3948c7e9d66cd81956257435db1dda1d6149

SHA512
abc8abf2204d3543d718fd30267dc8d9250f01296a8b02c4044c4ae8ac5d2f7b67ac15dd9107a3e410f73c30d5bb95970f562da496f007deb8c6dec2a4e615c1

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

Filesize
304B

MD5
670ccf0dcab11291d67617372f70dc63

SHA1
d04c833e00632d0293cd2929de7d408211452732

SHA256
148168f29a1b7b08747df72a6d043bc37dba7d78cc62fb9e863f0604bbca9dd7

SHA512
e6a77aafc9389b93a8449560c6582ee0e905b0bc50bf994195515d034e84a6cce2f4cc44d17975b770470250de9b80e3e83ebcecee903f64d3da24d7563349a6

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

Filesize
304B

MD5
d0b90df319ad1ccfad8da87d2cdac682

SHA1
781a57ec171a8572fc51f5547d0dd8b6211bfe46

SHA256
f8ef30615baf883ec0a476071f3fb206f6a5fb7b1568b65004a562be5e2f6a8d

SHA512
c362b871e02bcdd99d10ab45acb95c2d5f7f9d9b43772ce51f5c8817105af8897a75ef3abe37294f7eed5548d36209365b55196bbc40f3c659ecc3ed0d477502

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

Filesize
304B

MD5
44a102970f8ae38abd91569a044e3c76

SHA1
f790250e986cc0dac567abc736a8569dc507dddc

SHA256
69da9bc210e34c912d4f7d9b793ce31ae4e1551ba0490297724eae4bcb4afa35

SHA512
fff84b5d32388a3ad9e355ba7318d2787c4d174c36ac3e35eea9d27aa125e9338838a1b8809a75b2b274b427bb77a57cdf45b1f3ef242922d48234385d5755d9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DomainSuggestions\en-US.1

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\x4s3ygl\imagestore.dat

Filesize
5KB

MD5
a399e8450457248ce883de91d6ea6f6d

SHA1
c5b8b917eb49dbd3830f94f75642159f42e0d67f

SHA256
308832481d4d750fccf67f1dd92b1f9c3e5978ff0b711470b701982ea4e8117a

SHA512
d7ed5337baf6043eb9c610161f4cef94d37e6b8586ef5e8799cc8f70a475949b4b92d2ae633ba848cf4cfea71165c8eccbcf345de82d118937d72b2c65c6de88

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\HYTOKVEV\favicon[2].ico

Filesize
1KB

MD5
37013ee35e340a9f0bdf65ec56b21f18

SHA1
c224c200a0b58d2d4f72be89af6224c8ebcd17e0

SHA256
7f13ba910bbbce087f281fab40452e6662256df441e8c30aeac79c2876f059fe

SHA512
73341cf926b6fcbe71a73cf3afb70c214f9a0e2a72ce2f69e66e96a9275445c515519eec8ccfa3fe717066471ff0cdfaa527e650f2bf934bc093933671ba7eb0

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB1F5.tmp

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB275.tmp

Filesize
61KB

MD5
e71c8443ae0bc2e282c73faead0a6dd3

SHA1
0c110c1b01e68edfacaeae64781a37b1995fa94b

SHA256
95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

SHA512
b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB1E4.tmp

Filesize
161KB

MD5
73b4b714b42fc9a6aaefd0ae59adb009

SHA1
efdaffd5b0ad21913d22001d91bf6c19ecb4ac41

SHA256
c0cf8cc04c34b5b80a2d86ad0eafb2dd71436f070c86b0321fba0201879625fd

SHA512
73af3c51b15f89237552b1718bef21fd80788fa416bab2cb2e7fb3a60d56249a716eda0d2dd68ab643752272640e7eaaaf57ce64bcb38373ddc3d035fb8d57cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB345.tmp

Filesize
161KB

MD5
be2bec6e8c5653136d3e72fe53c98aa3

SHA1
a8182d6db17c14671c3d5766c72e58d87c0810de

SHA256
1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

SHA512
0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\8MNER31N.txt

Filesize
608B

MD5
3c4ee3fc21107bba6cc2c8d4ed0f992c

SHA1
6715d2b1eadf5272793153f8bfcaf25d9094fc46

SHA256
b3b4d297be7db12b99cb373369e9376510e5a07c3e708efd88752edb2d2dfe43

SHA512
b6de6215fad7034564fbec7e1a7767ae9044856bc4c8773496b91f81797f7e2f7d027fef98591d6dac5c7a76e19e049ed08cbc40ea67af07458622db27c7fc96

Download Submit