Analysis
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max time kernel
91s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25/04/2023, 03:42
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://ibf.tw/WO2B2
Resource
win10v2004-20230220-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
https://ibf.tw/WO2B2
Score
1/10
Malware Config
Signatures
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Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 402aab7ba945d901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\PhishingFilter iexplore.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\RepId\PublicId = "{1C258BA0-837A-44EE-BBDC-2D0261D5CA52}" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4235703965" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31029031" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4235703965" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "389159104" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\RepId iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31029031" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{279B6003-E31B-11ED-8FFF-6E21A4042E2D} = "0" iexplore.exe -
Modifies registry class 24 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = ffffffff OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 8c0031000000000054562bab110050524f4752417e310000740009000400efbe874fdb4954562bab2e0000003f0000000000010000000000000000004a0000000000a79b1000500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\NodeSlot = "1" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff OpenWith.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3508 OpenWith.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3612 iexplore.exe 3612 iexplore.exe -
Suspicious use of SetWindowsHookEx 40 IoCs
pid Process 3612 iexplore.exe 3612 iexplore.exe 796 IEXPLORE.EXE 796 IEXPLORE.EXE 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe 3508 OpenWith.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3612 wrote to memory of 796 3612 iexplore.exe 85 PID 3612 wrote to memory of 796 3612 iexplore.exe 85 PID 3612 wrote to memory of 796 3612 iexplore.exe 85 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://ibf.tw/WO2B21⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3612 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3612 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:796
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3508
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
28KB
MD57460c81b068edf9146d67ff39c47a9e5
SHA1adbc54828c0fd4610021fb24810a3537ffc24b52
SHA2564ac0626104d87d1dc8e1ae66c6dda0b418666dfae34b1f68085235f11a46c80b
SHA51292b750b1e5b3af435d6e07c17e55ecbc5960ab71a0448f86d48d144e353da38fb098883b0acfdc83b28ee43490c716e412c4b4a47912c6c9b9ee4da8e961d087
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Filesize
13.9MB
MD527375a9c091cc403fdb4e56fbe0df1d4
SHA11976e0e876e50b9e8c39ece429b9a7b643af2f38
SHA2564261c25b6824eb6feefa40e9437a23488042475a741a432915be6e7f2bf329ce
SHA5124f53c2cd0959e203ce88f8fb2d6311a7d5f4d38675e518e14e2c1ab0208509ddd5ccb44f18044fb6ebefd05448c30ee43ce3280cf82ed9dcf671308d576ce923
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Filesize
13.9MB
MD527375a9c091cc403fdb4e56fbe0df1d4
SHA11976e0e876e50b9e8c39ece429b9a7b643af2f38
SHA2564261c25b6824eb6feefa40e9437a23488042475a741a432915be6e7f2bf329ce
SHA5124f53c2cd0959e203ce88f8fb2d6311a7d5f4d38675e518e14e2c1ab0208509ddd5ccb44f18044fb6ebefd05448c30ee43ce3280cf82ed9dcf671308d576ce923
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee