hxxps://0pyv4[.]mjt[.]lu/lnk/AV8AABNJ5SMAAAAAAAAAACpxiFgAAAAAPn8AAAAAABxoOgBkP5GQ36tE1hPISkibVjKR9WUQ5gAbJf0/1/ov_zSTm7upmiuPg06Fh4pQ/aHR0cHM6Ly93d3cuYmluZy5jb20vY2svYT8hJiZwPWQ5OWI0ZjA2ZDAxYmNiMTJKbWx0ZEhNOU1UWTRNVGMzTmpBd01DWnBaM1ZwWkQweE1USTVOekptWVMxbE56VmhMVFk0WlRndE16WTJaQzAyTURCalpUWTBOalk1TWpBbWFXNXphV1E5TlRFME13JnB0bj0zJmhzaD0zJmZjbGlkPTExMjk3MmZhLWU3NWEtNjhlOC0zNjZkLTYwMGNlNjQ2NjkyMCZ1PWExYUhSMGNITTZMeTkzZDNjdVlXMWhkR1YxY21GdWRHaGxZMjlzYjJkcGMzUXVZMjl0THpJd01qRXZNREl2YVMxdGFYTnpMWE4xYlcxbGNpNW9kRzFzJm50Yj0x

Analysis

max time kernel
72s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2023, 13:22

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General

Target

https://0pyv4.mjt.lu/lnk/AV8AABNJ5SMAAAAAAAAAACpxiFgAAAAAPn8AAAAAABxoOgBkP5GQ36tE1hPISkibVjKR9WUQ5gAbJf0/1/ov_zSTm7upmiuPg06Fh4pQ/aHR0cHM6Ly93d3cuYmluZy5jb20vY2svYT8hJiZwPWQ5OWI0ZjA2ZDAxYmNiMTJKbWx0ZEhNOU1UWTRNVGMzTmpBd01DWnBaM1ZwWkQweE1USTVOekptWVMxbE56VmhMVFk0WlRndE16WTJaQzAyTURCalpUWTBOalk1TWpBbWFXNXphV1E5TlRFME13JnB0bj0zJmhzaD0zJmZjbGlkPTExMjk3MmZhLWU3NWEtNjhlOC0zNjZkLTYwMGNlNjQ2NjkyMCZ1PWExYUhSMGNITTZMeTkzZDNjdVlXMWhkR1YxY21GdWRHaGxZMjlzYjJkcGMzUXVZMjl0THpJd01qRXZNREl2YVMxdGFYTnpMWE4xYlcxbGNpNW9kRzFzJm50Yj0x

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 37 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50f8cbcfd272d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3759327688"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3715189444"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31027922"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31027922"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000051d6db365ce0f843a8e6cfaf226c4d2b0000000002000000000010660000000100002000000082b179abe73094ae8d023ec9a5c4c8cddfb7eefa94c7e4e22e3fe154ac4502b3000000000e80000000020000200000007ddc8aef284ac0438513ff1f6f76ea3c24c091d7bdaec6ba8f0dcd536bbe34f2200000003c200552916cada5ce99dc3ac527b2c9747f50122f411ed45dc53edd59f22e5c40000000f3c2224cb7ebfcc1fcf026db3a5382eb3a17020527380fbb6420e2baf96539bced8d9b33698dacb778b269383d6235d10ce3b9c68125b0790ba6a793ba80bee3	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3715189444"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31027922"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0866E8D3-DEC6-11ED-8227-DE65D3B59762} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "388682743"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1188	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1188	iexplore.exe
1188	iexplore.exe
2408	IEXPLORE.EXE
2408	IEXPLORE.EXE
2408	IEXPLORE.EXE
2408	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 2408	1188	iexplore.exe	81
PID 1188 wrote to memory of 2408	1188	iexplore.exe	81
PID 1188 wrote to memory of 2408	1188	iexplore.exe	81

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://0pyv4.mjt.lu/lnk/AV8AABNJ5SMAAAAAAAAAACpxiFgAAAAAPn8AAAAAABxoOgBkP5GQ36tE1hPISkibVjKR9WUQ5gAbJf0/1/ov_zSTm7upmiuPg06Fh4pQ/aHR0cHM6Ly93d3cuYmluZy5jb20vY2svYT8hJiZwPWQ5OWI0ZjA2ZDAxYmNiMTJKbWx0ZEhNOU1UWTRNVGMzTmpBd01DWnBaM1ZwWkQweE1USTVOekptWVMxbE56VmhMVFk0WlRndE16WTJaQzAyTURCalpUWTBOalk1TWpBbWFXNXphV1E5TlRFME13JnB0bj0zJmhzaD0zJmZjbGlkPTExMjk3MmZhLWU3NWEtNjhlOC0zNjZkLTYwMGNlNjQ2NjkyMCZ1PWExYUhSMGNITTZMeTkzZDNjdVlXMWhkR1YxY21GdWRHaGxZMjlzYjJkcGMzUXVZMjl0THpJd01qRXZNREl2YVMxdGFYTnpMWE4xYlcxbGNpNW9kRzFzJm50Yj0x
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1188 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2408

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\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442

Filesize
1KB

MD5
728a855cae0167aa772bc65eeed0d477

SHA1
1e0bfe89dc2cba9fb2543056a96dda9ddc893580

SHA256
ab8a22cce61608d43b2501ddbf2f214f2d88dadaa7966c1ee4df2d8c396096b2

SHA512
eda2641897e8520a0cb043d651b597a4e1222842c6db9b0e77afb0ba100a7a65a54a81dc73452c52b7720d0c5478d724e034e551cdd1ed04eb3c6957d7c8bbb8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
2a7fc714134ae90293fce5a1d9697e16

SHA1
c29dab1a5e37def81a3406813587a32001925f97

SHA256
0145704170fb3888d08d35dcfe2941c6ead410baab0e3552d78a9a402f682aad

SHA512
f41495e458a8b7eac03ad9def5278553784ebe35e05a984892a0a078775c472c03a80cb9c00104da9fd18f8f7bf04dd1c1da119514923cde5a4fcb696082f2bf

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442

Filesize
446B

MD5
0c732e60ac2a3cfb5a6e4f28945cd648

SHA1
af0040d88b09878a1453259a41879917883781d1

SHA256
612671feaf2afaa4f4399fda16b6055b770945168ccf2c69edd64d820d9feaa6

SHA512
c20c3a2d52b0ef46a264227be72c86972b0ddaa93f46002e80d642480e1b328e3348e0f1ed951ce9184fa8f5b8d499fed413041afc301baad3ee311cfe2fcfa6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
ea38471581ae6f37aaccf8a6fc2a7e19

SHA1
4c36d3ff8e9c585dcdbbaead7413b76da9bc733f

SHA256
e4b479151a395d9e10322f066d3c1373553897f758c483c67008fdc41efe5aef

SHA512
941f7d8f8b32e241ac21c29500a09944ae766dff4249bf0c10cca3bead39e0cf9cb11d541cb701f34c0e2724d3fe42470675d4fa2371bf1be945df938f76679f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\cz9baam\imagestore.dat

Filesize
4KB

MD5
bd4b6e7a6e9e840ad2ed2e50d0ecc577

SHA1
8545b78db269bc3a96e0d5481f41efb550506f70

SHA256
15c264f0da816d98a3ff64d7942135d99952646503ee2830cfaa5372c70922b1

SHA512
cac916a3f2f0ac0a49c1b6af2b8282d811f6f912710d461455a623e923f4c6273c9160981de9fea52384c99ad2afa57d89da6b13e1939344f42cf263ad9e806b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GPVLIKPI\favicon[1].ico

Filesize
4KB

MD5
da597791be3b6e732f0bc8b20e38ee62

SHA1
1125c45d285c360542027d7554a5c442288974de

SHA256
5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

SHA512
d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GPVLIKPI\favicon[1].ico

Filesize
4KB

MD5
da597791be3b6e732f0bc8b20e38ee62

SHA1
1125c45d285c360542027d7554a5c442288974de

SHA256
5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

SHA512
d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RUOQG7D6\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit