hxxps://aplikacja[.]ceidg[.]gov[.]pl/CEIDG/CEIDG[.]Public[.]UI/HistoryViewerPage[.]aspx?aid=01440425-663c-42e1-a224-c59fa9e7db55&source=versionChange&history=true

Analysis

max time kernel
100s
max time network
136s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
19/04/2023, 16:24

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General

Target

https://aplikacja.ceidg.gov.pl/CEIDG/CEIDG.Public.UI/HistoryViewerPage.aspx?aid=01440425-663c-42e1-a224-c59fa9e7db55&source=versionChange&history=true

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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "388693681"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80bbc35cec72d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000fba6cfbdd4578d48a4e75475bed73c6a00000000020000000000106600000001000020000000d5d97eee59dff61b4883ef04f07c59e9acdcfa1b4175b5058fe1cc6c7af05e23000000000e8000000002000020000000b59716dfd4a9ea599dba85b3db4ce2f3a4c0d4269bb63e6543fae01a6bde934e200000006c5739b5cbb0ff13b0811a163947b6b61ed8d809ff4749778003fcff95438bff40000000c975b802f0b0a6d948433f9ce732a969db93b6a67aac842e89f79dc5e6a2bcb3df70f10e856bfa39871d5a07cce636234ad657637f33a90b851c526586c8eb60	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{82435F01-DEDF-11ED-AB11-7621D5A708C1} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1264	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1264	iexplore.exe
1264	iexplore.exe
1108	IEXPLORE.EXE
1108	IEXPLORE.EXE
1108	IEXPLORE.EXE
1108	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 1108	1264	iexplore.exe	29
PID 1264 wrote to memory of 1108	1264	iexplore.exe	29
PID 1264 wrote to memory of 1108	1264	iexplore.exe	29
PID 1264 wrote to memory of 1108	1264	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://aplikacja.ceidg.gov.pl/CEIDG/CEIDG.Public.UI/HistoryViewerPage.aspx?aid=01440425-663c-42e1-a224-c59fa9e7db55&source=versionChange&history=true
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1264 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1108

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
f3681d73dc0630d47179af754271255e

SHA1
c8126b2611643eee359ca0c02a6f5b27fe111b0a

SHA256
827bdd5f1958a5aa23d0bc2e0329590da53b2627f99f179c9d220c0355c76a47

SHA512
838971317c79236cadf6c5d13afbfb4b37fcf7533590329e780328fc6883a8934af47655a4862a8e7dd5c15762aae49177d0435ff19c55d10eab4ff1170e46c5

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

Filesize
342B

MD5
862ac09226df387cb8cf2c75fee961bc

SHA1
97eca0f30b7582b6dd8481585c646b6e562d16e7

SHA256
488c1be7d92872e5bde362653758298eb69228541dad04d6bda0252c49a11cfa

SHA512
df4b601d7b85951fbb5cdc7675d46ab50f8835517d4ec44fa691e1a36b7798d129e2a6b19241ed97a2df116d6b94ea7ea15f0dd02681db37701ae52441477e7f

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

Filesize
342B

MD5
93bab3359261919e4d6f4af2e5f1340c

SHA1
2ab4bc184c8bfc91048ef9e7010b4120f0602639

SHA256
6fad8a77cb24fd71944b61b3920d30dc665be254c5e4e076b6e603727ce567c0

SHA512
e836ae309150e5aa654a8585bd1cd1552db8028ecea4fe3352a8a89b9f219c4f4a9130ac755fe8d4c28b63d5c0b90c9698b73d1e921f192db237ba27ee62def4

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

Filesize
342B

MD5
15baa66a7191af1f42d4853d2a77fc3d

SHA1
29b91d1f34f388efeb31a339ade6abab8817a539

SHA256
10dc229ee5bc6eb7dd634c7fb5986e8eeb30cfa85abd6268c19ae4773202e774

SHA512
a789133117aa0bb4d9a79033b196781443425c642cd673f198cda56264934fa5f949e494a1acd619bdb1245172d1c4900168deb3e82f65c06a8d27ec282aa414

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

Filesize
342B

MD5
65557b9472b580d0dfcb9eba9d74c751

SHA1
40fb1dab6016ae87d912e8d0040f6e270b00b2fe

SHA256
bbc857da0e08b2d73d227e2fe8d772a7b758b8860e1ce576242912f31543b89c

SHA512
07c024eb6658c42f0a76b45d44516b9e97847d8c302aa0bc3be174fe76c1ed0227aca4f8484d883f8cde7dfe11ab0fd8339d72c76e7e6dc5d6ee865ae9d78026

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

Filesize
342B

MD5
14d39b8b1c28873bb2c61f120f9e4843

SHA1
1691d27e92cf29e68d74695e1362c472f25a9d45

SHA256
d555180932b7149b2a7a10ec97471e3c68a9ff924fa2d8c641606a1b000ca4b2

SHA512
82476febec8fe104f90927d09efb944b10e259d4b3d5d2fa5448203960ae55a423e434021b91e648b0b1c30b80938bcf636bc2c9ec78e3b2f80d4e6dcab2bf48

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ACT9UUKV\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4A8C.tmp

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4BBB.tmp

Filesize
161KB

MD5
be2bec6e8c5653136d3e72fe53c98aa3

SHA1
a8182d6db17c14671c3d5766c72e58d87c0810de

SHA256
1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

SHA512
0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\PS62MGLF.txt

Filesize
600B

MD5
7f50bb139103566027397160a1d0cd38

SHA1
0f3ec72faad0ad03ca44a203d6fd759f4eb8684c

SHA256
521132962003de6dba91f8388045c7a1111ff1abf009a89d5ef4110a5701a119

SHA512
76e8ede2c24f3291abc045377ad6b960fc15b7e8cf3d538ab1b5e99a3237d1eb09f22a2ee3906a836d839fb16f2e193c8289f735af4f1f0bad6ffa93b115a120

Download Submit