Analysis
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max time kernel
195s -
max time network
213s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2023 23:33
Static task
static1
Behavioral task
behavioral1
Sample
437b0d7248bab4005cf2eb19e1a1fce0.html
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
437b0d7248bab4005cf2eb19e1a1fce0.html
Resource
win10v2004-20231215-en
General
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Target
437b0d7248bab4005cf2eb19e1a1fce0.html
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Size
1.7MB
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MD5
437b0d7248bab4005cf2eb19e1a1fce0
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SHA1
7728d58adbc6e4971e0110368795c473cd87e831
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SHA256
c68cb13b3d7bbdf31a9049351a44138fa7ccced6b94e71aee39fe7e2b390748c
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SHA512
e7ff028aac20a343d9d54df877e0dc872e32bf29a5232b5609516d999a8ee5fb37a974cfa34846fe6119d20bc15cac51d3f9802e16656ca4e8cb9997d5d8dfde
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SSDEEP
12288:jLZhBVKHfVfitmg11tmg1P16bf7axluxOT6Nly:jvpjte4tT6Ly
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3077586950" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078487" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E1E63659-A44A-11EE-B7F4-4ECC77D3B663} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31078487" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3234929553" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410400181" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3077586950" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078487" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2160 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2160 iexplore.exe 2160 iexplore.exe 3924 IEXPLORE.EXE 3924 IEXPLORE.EXE 3924 IEXPLORE.EXE 3924 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2160 wrote to memory of 3924 2160 iexplore.exe 91 PID 2160 wrote to memory of 3924 2160 iexplore.exe 91 PID 2160 wrote to memory of 3924 2160 iexplore.exe 91
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\437b0d7248bab4005cf2eb19e1a1fce0.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2160 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3924
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
84KB
MD5e071abda8fe61194711cfc2ab99fe104
SHA1f647a6d37dc4ca055ced3cf64bbc1f490070acba
SHA25685556761a8800d14ced8fcd41a6b8b26bf012d44a318866c0d81a62092efd9bf
SHA51253a2b560b20551672fbb0e6e72632d4fd1c7e2dd2ecf7337ebaaab179cb8be7c87e9d803ce7765706bc7fcbcf993c34587cd1237de5a279aea19911d69067b65
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee