hxxps://file[.]io/?expires=1d

Analysis

max time kernel
135s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2023, 23:12

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General

Target

https://file.io/?expires=1d

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\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	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\LastCheckForUpdateLowDateTime = "3301249270"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e05666c8159fd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\IESettingSync	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\LastCheckForUpdateHighDateTime = "31039253"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	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\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31039253"	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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3291561225"	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 = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000000ee46b815ed04d41947bbdcf1aff1eb1000000000200000000001066000000010000200000008317aa91d9e4981b463ec69230f296a81319bf1dfdecb372c0eecbb05fc445ab000000000e80000000020000200000008dd11796132ca193cb0b5c4d8ae85abaad94ef8ebc7ab8173505433f629ddc75200000008ca91744283da1957b091901fee374e166aa1b42942a598174962691322f22a940000000708510d613f818b574301047016dcd1927b0be3228b31c409e5d2f11068c28e78f1c3f91f7929eeae9ef99e37a9c31eae17c8d443f75824007580331d47637cd	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "393549325"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	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\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EF448629-0B08-11EE-9F77-6A765FEA1DF2} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3291561225"	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\Main\WindowsSearch	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 (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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
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\VersionManager\LastCheckForUpdateHighDateTime = "31039253"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 305d47c8159fd901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000000ee46b815ed04d41947bbdcf1aff1eb10000000002000000000010660000000100002000000005a2102397212e1532245d4e3e8ff4ec1b7838dae39cb80b278e28267cb1f3d3000000000e8000000002000020000000ffa446cb0e51046b0ef9081bc1589dd92c7be703f21f90764294d183db13228f200000000cb8f34d53ee4db9f5730f740ace1b42b413fffe9e6efd55f2dc3183628ba263400000005bebeb90a711764a0d7e5dbe004aa1e32a3d366e0d26bef62d96c1a2ca63191909025d5f549c0d676f7da36f46d7ecfbc1c00487e6d036c3b09f8b241f54029d	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3508	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3508	iexplore.exe
3508	iexplore.exe
4276	IEXPLORE.EXE
4276	IEXPLORE.EXE
4276	IEXPLORE.EXE
4276	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 4276	3508	iexplore.exe	84
PID 3508 wrote to memory of 4276	3508	iexplore.exe	84
PID 3508 wrote to memory of 4276	3508	iexplore.exe	84

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://file.io/?expires=1d
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3508 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4276

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\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
6ed1b9e0ada67cd4e13ffe2ebff3202d

SHA1
26e57e0292d9b0fdf705748d723c197e50225bb5

SHA256
e4256833d3e11cd58e3725ea44482597742a652041a44b3339d371739a6e5735

SHA512
749783679cbd1f6f06ea031c22cc262152d57da36acf3778ac54717f5d9400aa0ad388b9898f5b0ff9bdf666f7f4c4ec590f770d48d1bf4301d05ad944746a33

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

Filesize
404B

MD5
c0f447b0ca6841f272f7fec49708b8a2

SHA1
386f51e9a05dfe180c9fe4a13f63adb4a6e12e4b

SHA256
38c41fe61f9203a435165f35e85be6650333282301b46636c74b6e9782baf561

SHA512
e168bcd43b7645acaa0029650247af78a1feb1d2e5186f3fa56b5331fc63e43dd365dca4f4b1da44aa056dfb857cc3fc32e3d420e4154c83120a8032d4c243c7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1IYUAPIF\0eceb729-3d23d92b83ca9772b679[1].js

Filesize
11KB

MD5
0a3f35f6211feffe573a08f983c2a35a

SHA1
e13c6d866dd1ef940d9fc7e951afd9af9b58fd85

SHA256
618f84de04f8a165a6d22328816b618433d49c5f50706d033436ea0cc0e1a9a0

SHA512
e64f4ac618a5d853a2cec18a138eee278ce32a2ea6d4c0d93d4a82edd2847870c735506b7dd6e4f76c45202f50a088407fc1061e8cdbb7f7900bf7437a9b6a92

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1IYUAPIF\d6a9949e-c7fb26743b3df7c3d4f3[1].js

Filesize
47KB

MD5
8be798e491d64c90fb2668c241136d27

SHA1
ea37edaa1afb0a04fc01834416d46b4dfcf9c1bc

SHA256
c99558fc6ef205ec358d6ac68ec549d6972949f3cdca2be0aed2a2b3c165c17f

SHA512
8c5834d65d7b9220476fb11ffe5830472753b4fe7a848a5421418e6c3ffb80260170c98440f8a81da7fcd3018485dcddb490ed71ece648c2086ddd9ae44c6648

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1IYUAPIF\e82996df-418a0be62c8cbbb8c8af[1].js

Filesize
50KB

MD5
41f1589b5b330e89885e93dcec06328c

SHA1
e0f21cb584e0f8af5a3016e7794de8d9c0d365c9

SHA256
d9ae0cc0755ea3b042acde2932d6885c1dcbcc785cae4ec96958540302727b66

SHA512
f496c7d8b79a5b24ed614f7a1e4352759dab5c55e406ddd30d9c0333f520d95b1584a37c2b54b92123516eb0108bd04b0443e7d287aaac1afc25726e50d4c112

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S1Q31HZS\analytics[1].js

Filesize
50KB

MD5
4507839525a19180914799b08fb5fa5b

SHA1
738d7e47e47a102e67d09efa63408d21aaf02245

SHA256
e7b90d32907f89c49e9e2a2ccca95133277f756f13a14187936d9b948ff67b44

SHA512
124bb24b26ede426ac7ef14db40ff894ddea6eb9c7a5bf408fd83b116bd55ec86b51b6839d5eec7ec0f481aab940795006005b4534dff6cc0f3a6560f7cf9bea

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S1Q31HZS\app-5be09c19b74f123574cd[1].js

Filesize
737KB

MD5
b67bde68ed9e7a9b6bdbab8724fd08b8

SHA1
d025fd096f318bb3e4cbf2ec80241aa21e7d2c9c

SHA256
acf22296dc1fa599f724fe096f0f7389647ce122ea3d400e6413156d96d1bdef

SHA512
dd64646ff0769e0229f026e91c5064c3bffe647c723e926564bf6109043a30a3e01922fc752f0af6f9a59d0da774578ae1a317719f884cf076b720bea80a07f9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S1Q31HZS\framework-2e81d87b28ccd7c06c04[1].js

Filesize
145KB

MD5
d57e42a527da656114d580605cefa13e

SHA1
445bd66c246e344d68535c39d15befbf7c128e8d

SHA256
57e30f191bec3bcb919f18dc014c7124dd24e9f0755f2abdde9ac3ccb8d161de

SHA512
2dd1cdf6b52457f94dbadfdf906ad280ba978c43fc2f1b62eadc85b44271ee822d16118cf8510c813e3e9f90e075abbede6a635b5812981ad821441d023b4ef6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TUIJN6ZA\js[2].js

Filesize
230KB

MD5
b9df1f6b83297b95cf8a3e753af63cd9

SHA1
40bc831e35fa8b7d34bad1b1028321373fec3e10

SHA256
a84cf2a2eba012917cf90b7a633ca2c818903b5aa68c859c48a5790ecd2d13cb

SHA512
a8e1fc439f0a0ee4d784ea82f61e1b15bcce6bc975d0435a9d97632c49766d7358d4e956b4ff8c8db1a95a429f7baba69ffd796e64b510c1d9ca9135ee0f7480

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TUIJN6ZA\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TUIJN6ZA\webpack-runtime-26e835637cb26d6f0294[1].js

Filesize
9KB

MD5
e0a64490816cd37fecfa88c395c14180

SHA1
6587a3f7de8aa3651691683f819e1eed724864f7

SHA256
3db5752a5eb0ff09345bbe65216cb038999963efcd826ec934d319dd2ade81c9

SHA512
536bfbc105ff080d2d451fc83eb0d40b4b2ece7dc388a32cf302673d1b8acffad46823aa18f8329963c3248cbab86b26ed9675e586195b84133847effc4cd7b4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\Inter.var-c2fe3cb2b7c746f7966a973d869d21c3[1].woff2

Filesize
317KB

MD5
8dd26c3dd0125fb16ce19b8f5e8273fb

SHA1
f919da7384706d6924f10d56ce258129ed498845

SHA256
85f08b5f51e36ca7e961a033c6bb61d7f0e44aa0984646383ecac648e98fdcc8

SHA512
600aed792990a913df1dbef8de20fdb818f6c422a8b01d319b7bfdacfe53186bc05709d844d07c354ebd740bd62ceb50efc3293333da84de8e21a4c11645cce0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\ad-manager.min[1].js

Filesize
981KB

MD5
1ef43f9bc6286501201d40be28b67a5f

SHA1
983dc89ecd57c067514aa99003d957051dd17844

SHA256
51dbadbd7861a819aea674afe0e416e0293e4e980254480d20dc7b0d65fddf53

SHA512
db452d30d3ee7e325ad83ffcd50165027e7bf749678aea335cabd94cc2b35147302c4f340e3bc691340cbc14308c32c177072f413c7c663535a78f41f4e893a3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\js[1].js

Filesize
173KB

MD5
457f44ad9dcb6d2566f1e641a707e384

SHA1
ae9b744d0a92302c001d304d1fe77d088e0711b4

SHA256
fb77423fefc435b4fa0478166553a564288afb675f6d819f03d33ccfb66233aa

SHA512
bce6df41169e74ca3fc504f7e45f8562eb912952e0497ec055a52a93a8bf32c610025abb41b153545d0bbf14b4098ed9067b00ca5927f1fbb66879e1c57dfb7f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\polyfill-63fd3a7531a392260f25[1].js

Filesize
83KB

MD5
f23b09327d4b80c6636930bf043c71d7

SHA1
c2d41f4954848174e11545bf93a2ea05b1fa5db4

SHA256
613dae54af07f872c215baad14c9d9ef74f70193506a71a4029112fcec403822

SHA512
3b521532e015774d071babc37e1dcf304302c12b946e194d1c52f1ce5d1e2e76799131c5c2860d92363c84008f3892278aaae4d74d65cc8402cea91f0960d76d

Download Submit