hxxps://1drv[.]ms/w/s!AjbCthEPWrYcce02ul537LAlcDE

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2023, 22:00

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General

Target

https://1drv.ms/w/s!AjbCthEPWrYcce02ul537LAlcDE

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3433048865"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F7CAF7C7-F50E-11ED-9F77-5A0CB913B9C1} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0e903d01b89d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31033627"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31033627"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31033627"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000038a9e23718fe574b84afdc36f043bb4c00000000020000000000106600000001000020000000fb2411d3812075464a2ef903856fd9ba20c31e3da5215888385595fac008285b000000000e8000000002000020000000a8e10cfc57c25b4ecaccab091e5603102ed7ee95f0c36dfdaa668c904ddd813320000000ade35b43cb1b9b64c3c3f65273e5e73bc7c047d75cccc03cae17c246fe7cd96a40000000b69d736333c4424ed7d17ae47d7e38c7f29c1c4014343c066f2e96420ebc8f4149440b25589aa8d026763d45672003b66b7eb42877a192b3a6d5454516986372	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3442425771"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3433048865"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000038a9e23718fe574b84afdc36f043bb4c0000000002000000000010660000000100002000000022d64635e1eb8c77cf8992b345ac768514c50804894db9fdada1abe65a798c0b000000000e800000000200002000000025080d4c486e63212c35b965588bacd511d3e84ada264e5aad3dbf2dd2e4a561200000001c52a996cbe231113464a4594183e35d8565735507cd8400d76c842ce061501440000000c6bc6716c3a08e81a4246456d0b11c2072dba53fa5a675dbc6f0abe1408f8ae6e024636e58d03c83703c6ea9058ac2531a5ea8c4f64a1e26f92019f1a96feba4	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10b9f5cf1b89d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "391132990"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4552	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4552	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4552	iexplore.exe
4552	iexplore.exe
388	IEXPLORE.EXE
388	IEXPLORE.EXE
388	IEXPLORE.EXE
388	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 388	4552	iexplore.exe	83
PID 4552 wrote to memory of 388	4552	iexplore.exe	83
PID 4552 wrote to memory of 388	4552	iexplore.exe	83

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://1drv.ms/w/s!AjbCthEPWrYcce02ul537LAlcDE
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4552
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4552 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:388

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
3a909fc8b447058965a3764d5a16fa51

SHA1
22839da3db245289e88b5d865be3df90e6fe1f92

SHA256
fd8e950cf60b7aff2b12a04fbeb6c610de60c7af4a318d7e64a32add0af7700c

SHA512
b9c8afde02d37c1ec49bb09cd05915845ebf7f3aa60b779d7041950953f096b3b63628391c75cb9a677d6ea5cbec3f63be2fa0240de1f392c33333a2cd0a99b3

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

Filesize
471B

MD5
07016cdc594feecfe290545becbfb4aa

SHA1
24444840f000be99fd72c1ba38a562438ef40ce2

SHA256
d04b8eba1bb5f80734384331bf9591e1348bbc07256b2cdaaced7398a5632202

SHA512
98fe1e1eeeb54bf7467f51b09b2913ced06fba7838e6b362b2538937a328c7321d6bf564696a39facfb0885fcb9317ed1e81b49d769096a3f3d4343b2a60e9d5

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

Filesize
416B

MD5
cb8508c46e297dfcf9337d3e7f8b81d2

SHA1
977ecb1aa4acdfa9574cebac4fa6ed1b8a3d028b

SHA256
a90b28dadd345850d19b24dce2086a225b2b1b8e7fcb538dc1435d79b477d930

SHA512
e2e07491039e8c24ff8fed497832a7eaadaf893172293f9fce627d24ddc8a8d6c4cab6edee6c6497c69abc9eb6366a638e1d221da6c0878f9096021890822465

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

Filesize
434B

MD5
116af225ac4352dbcd9cc46ed6dcb0e8

SHA1
fd53d447d26e776bcc9066379e5acc38acab5774

SHA256
9c69e4b3e7f532d30124dd54fa43482d3ba209f9cb50b9aab1abc869b078640e

SHA512
2de27d8b517aa3936e9510aa8ea0f6615d4db5e2f2020d72fe1f91dc8c063ab589160bdde494d1dd0bcbd02b268040b68f5705c7505f65f4fb4c10421aa90646

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

Filesize
8KB

MD5
bfff660432aea4b52814057745e78cb9

SHA1
6b6f701dc88db83e611f0cf13e638893c34bedb8

SHA256
cb371e9489f9f8e2d613cc0de57f6d0167695007c03ffbd4ba43513da2286bb9

SHA512
575fd73cd81ff65f8f644d5fc6993bca752443b7a9354b7c646647acab31cb34339195f4e5d7a27ea877cb5410883277a3872c79a181d1cc183ea125eeb809d4

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

Filesize
7KB

MD5
604adfb53677b5ca4f910ffb131b3e7c

SHA1
5f1a0fb4e4ad3707e591ce16352158263488ed70

SHA256
24638331466a52bb66f912090e7a9cc9e3df2236e39c187c9409104526b472b0

SHA512
35f618f42adfee6d1335c67f729c298789419fe2930371a91683f60481794488dfaf15b572e6fc1be70833ef12dfe57432725f6336b6b73dcfb52596f57f30a5

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit