Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
09-01-2024 02:42
Static task
static1
Behavioral task
behavioral1
Sample
4d20d23691948dafc95270c5d3d979b6.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4d20d23691948dafc95270c5d3d979b6.html
Resource
win10v2004-20231215-en
General
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Target
4d20d23691948dafc95270c5d3d979b6.html
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Size
86KB
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MD5
4d20d23691948dafc95270c5d3d979b6
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SHA1
9543970f94df35271ba3fcf435c19815d9c72b34
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SHA256
73147c3997d6f1663e760275466b3bfa33781687327dfefe7e41b1205a11e4e2
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SHA512
80993d890b1139a3b2b619f27e5bf9b477ba74bb6a417ec994ccce61f13b8dc6d5b0bd4d1ca0143fd30e922874d15c681bc48a95d9db9d76a8ff7c25f6cbda46
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SSDEEP
384:P61ndM9KCuV/x4e4xkJir0rZ0iS4D8dpe1XuJu5+chaix9aO+u/qTDAxkJir0rZa:PC
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2396198529" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081125" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31081125" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081125" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\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 Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2384481204" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B9B8BD3F-AE98-11EE-8024-7E4216712C33} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2384481204" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411533124" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2256 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2256 iexplore.exe 2256 iexplore.exe 3272 IEXPLORE.EXE 3272 IEXPLORE.EXE 3272 IEXPLORE.EXE 3272 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2256 wrote to memory of 3272 2256 iexplore.exe 22 PID 2256 wrote to memory of 3272 2256 iexplore.exe 22 PID 2256 wrote to memory of 3272 2256 iexplore.exe 22
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\4d20d23691948dafc95270c5d3d979b6.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2256 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3272
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5f4fe1cb77e758e1ba56b8a8ec20417c5
SHA1f4eda06901edb98633a686b11d02f4925f827bf0
SHA2568d018639281b33da8eb3ce0b21d11e1d414e59024c3689f92be8904eb5779b5f
SHA51262514ab345b6648c5442200a8e9530dfb88a0355e262069e0a694289c39a4a1c06c6143e5961074bfac219949102a416c09733f24e8468984b96843dc222b436
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Filesize
1KB
MD5dfeabde84792228093a5a270352395b6
SHA1e41258c9576721025926326f76063c2305586f76
SHA25677b138ab5d0a90ff04648c26addd5e414cc178165e3b54a4cb3739da0f58e075
SHA512e256f603e67335151bb709294749794e2e3085f4063c623461a0b3decbcca8e620807b707ec9bcbe36dcd7d639c55753da0495be85b4ae5fb6bfc52ab4b284fd
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
447B
MD526f971d87ca00e23bd2d064524aef838
SHA17440beff2f4f8fabc9315608a13bf26cabad27d9
SHA2561d8e5fd3c1fd384c0a7507e7283c7fe8f65015e521b84569132a7eabedc9d41d
SHA512c62eb51be301bb96c80539d66a73cd17ca2021d5d816233853a37db72e04050271e581cc99652f3d8469b390003ca6c62dad2a9d57164c620b7777ae99aa1b15
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Filesize
2KB
MD52dc61eb461da1436f5d22bce51425660
SHA1e1b79bcab0f073868079d807faec669596dc46c1
SHA256acdeb4966289b6ce46ecc879531f85e9c6f94b718aab521d38e2e00f7f7f7993
SHA512a88becb4fbddc5afc55e4dc0135af714a3eec4a63810ae5a989f2cecb824a686165d3cedb8cbd8f35c7e5b9f4136c29dea32736aabb451fe8088b978b493ac6d
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Filesize
748B
MD5c4f558c4c8b56858f15c09037cd6625a
SHA1ee497cc061d6a7a59bb66defea65f9a8145ba240
SHA25639e7de847c9f731eaa72338ad9053217b957859de27b50b6474ec42971530781
SHA512d60353d3fbea2992d96795ba30b20727b022b9164b2094b922921d33ca7ce1634713693ac191f8f5708954544f7648f4840bcd5b62cb6a032ef292a8b0e52a44
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Filesize
4KB
MD5d65ec06f21c379c87040b83cc1abac6b
SHA1208d0a0bb775661758394be7e4afb18357e46c8b
SHA256a1270e90cea31b46432ec44731bf4400d22b38eb2855326bf934fe8f1b169a4f
SHA5128a166d26b49a5d95aea49bc649e5ea58786a2191f4d2adac6f5fbb7523940ce4482d6a2502aa870a931224f215cb2010a8c9b99a2c1820150e4d365cab28299e
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Filesize
11KB
MD59234071287e637f85d721463c488704c
SHA1cca09b1e0fba38ba29d3972ed8dcecefdef8c152
SHA25665cc039890c7ceb927ce40f6f199d74e49b8058c3f8a6e22e8f916ad90ea8649
SHA51287d691987e7a2f69ad8605f35f94241ab7e68ad4f55ad384f1f0d40dc59ffd1432c758123661ee39443d624c881b01dcd228a67afb8700fe5e66fc794a6c0384
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Filesize
2KB
MD54bcfe9f8db04948cddb5e31fe6a7f984
SHA142464c70fc16f3f361c2419751acd57d51613cdf
SHA256bee0439fcf31de76d6e2d7fd377a24a34ac8763d5bf4114da5e1663009e24228
SHA512bb0ef3d32310644285f4062ad5f27f30649c04c5a442361a5dbe3672bd8cb585160187070872a31d9f30b70397d81449623510365a371e73bda580e00eef0e4e
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Filesize
1KB
MD5eb45f8d10c0e75bc92ebb120e4ac73d6
SHA13c4ee6233f61d272384905fa5ad3b47fb07aec53
SHA2568742ce1d668409577c98f6defb66c35a8c3cb34ad51e85badc8598a4a499c071
SHA512d5c19fb5f9eedcaeebe2bf21afe5a8fa0ff89ca07e8aae783910a4c1ad55362eb06b0be916c6ada15f5da98ee541cbd82937adb2f1cca07b6dd6dd8a8a314401