Analysis
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max time kernel
104s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:24
Static task
static1
Behavioral task
behavioral1
Sample
98785f9f46be062786928fa65c6eeb71b4d9ef271eb55b2bbefa7d3d1abe6bd8.exe
Resource
win7-20220414-en
General
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Target
98785f9f46be062786928fa65c6eeb71b4d9ef271eb55b2bbefa7d3d1abe6bd8.exe
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Size
4.1MB
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MD5
dd4004638b24f15362923c9c1e779f86
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SHA1
056a8998cb5a878d0a0acd1cb97b05b919e56bfd
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SHA256
98785f9f46be062786928fa65c6eeb71b4d9ef271eb55b2bbefa7d3d1abe6bd8
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SHA512
ebf24f770b1f29a057694ea267ca7a1ca97c798826d341687df2bbf7793c6c71d3826436593b9b31deea148ca14e7ed44842006840544ce58382dee79ab47d50
Malware Config
Signatures
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Processes:
98785f9f46be062786928fa65c6eeb71b4d9ef271eb55b2bbefa7d3d1abe6bd8.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 98785f9f46be062786928fa65c6eeb71b4d9ef271eb55b2bbefa7d3d1abe6bd8.exe -
Processes:
IEXPLORE.EXEiexplore.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2831391445" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30960809" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0fac7b3a96cd801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043099a93b0a2dd41b22bfbb30670caee00000000020000000000106600000001000020000000c3e505c2f6d4f1770696105396591f5662a57f7f98e5e792092d33520a8674c9000000000e80000000020000200000008bc22cce94272d760127fe6069ac745cf9eebbce94ee7b1e1b056fe552baede52000000077ff701d9a7b7b02ea57100ffaca2ce0ff1684e9632e796318b6faa35d04bf524000000039db07d71bcbc9d3e2bf0ea290bd8874cd691dad3be73556f68f27656b8fb380ffe94844a9991bd06d21e0c9e07c5b202b8aadd561c8f8e8b6e6dbf5f4534ebe iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30960809" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "359857837" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D138F9C2-D89C-11EC-A58B-F23C9496A3E7} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\International\CpMRU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30960809" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d00e95b4a96cd801 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2812485580" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2812485580" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043099a93b0a2dd41b22bfbb30670caee00000000020000000000106600000001000020000000bdf2340f7a5e68752769db0237c8ddc434a3802985f32942724c97b4b2ea65ac000000000e8000000002000020000000ba5b5f8dfb13df258eeb151e6939c43903493b5d3049eed85900be5ad0fd8d4720000000f26343dd3500442d092e7f759da42020d3208515475ebd93211749fa6fa31b9a400000007d5b1f587168d99f144d903fc45663278ff12736c4e97493c922af20e294886160c2c4534141f9c360cae31b702c0a57155b82fcdf5166dfd89f8e353f9785a4 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 3516 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
98785f9f46be062786928fa65c6eeb71b4d9ef271eb55b2bbefa7d3d1abe6bd8.exeiexplore.exeIEXPLORE.EXEpid process 2996 98785f9f46be062786928fa65c6eeb71b4d9ef271eb55b2bbefa7d3d1abe6bd8.exe 2996 98785f9f46be062786928fa65c6eeb71b4d9ef271eb55b2bbefa7d3d1abe6bd8.exe 3516 iexplore.exe 3516 iexplore.exe 1328 IEXPLORE.EXE 1328 IEXPLORE.EXE 1328 IEXPLORE.EXE 1328 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
iexplore.exedescription pid process target process PID 3516 wrote to memory of 1328 3516 iexplore.exe IEXPLORE.EXE PID 3516 wrote to memory of 1328 3516 iexplore.exe IEXPLORE.EXE PID 3516 wrote to memory of 1328 3516 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\98785f9f46be062786928fa65c6eeb71b4d9ef271eb55b2bbefa7d3d1abe6bd8.exe"C:\Users\Admin\AppData\Local\Temp\98785f9f46be062786928fa65c6eeb71b4d9ef271eb55b2bbefa7d3d1abe6bd8.exe"1⤵
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
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C:\Program Files (x86)\Internet Explorer\ielowutil.exe"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{D5E8041D-920F-45e9-B8FB-B1DEB82C6E5E} -Embedding1⤵
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -startmediumtab -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3516 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776Filesize
471B
MD5fa526918a211e850a6078fb1d00b2045
SHA175bad6b9476e0655e6a2947a682e81df689682f3
SHA256396b94c667643afa59d155ef4d812da6f4d67dd50cec97194e1ca3a1b3ece3fe
SHA51227a3e00ba0e478d8a79cbbd134ef7beaff7fde2fc57aecfaf022806af41c2a85183fda3e1abc2dec38d27a7f22960db3549721b8d821ea659a5592b430de1ed6
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776Filesize
434B
MD5792d93d576a1dc5431907cb793c23042
SHA1904ee332ce49ba77d7835611c1267a6036393a40
SHA2568b74ca5be77f56b03a750d19c9d17e3401b2a688577bd3de7e68cc8e288f4e99
SHA512e294f499f7c4b92f309a8e1cee5eec5b0908bf7378117a0fc75b8e134d7beda5d9df6db6ab6cf493047ebff54ec1ef3483b77a41fa836b8d0ee2f0ad8122100f
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\a5473fd\imagestore.datFilesize
1KB
MD5037f8fa4c1d58731141430800111a897
SHA17f0bcedb38f5b25bbd35805cdd639446791ac392
SHA256e5c3db05629fb54fac2d4e5b0fcf9251c42e8b089fc50225f6b0e0271c1bba0a
SHA512ff70e2b6dbccacc29e28c4e9a492dd91830d29b55bbd7f7de242aae22b1a0ea75642e1facaddd1bcd941d9bac145cb9313ec7497c50b57afa75d877ea1deb4b8
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\AUYK2XVC\favicon[1].icoFilesize
1KB
MD5291530f9b085527ca937426337991f79
SHA167714f3578da3efbd612f757d041cd29a6c605a1
SHA256b34cba01e546edc251e36544c5989aee04221f3f05db2edb51ba97a5b9b1cf7a
SHA5126ca95e43157d197c095310c94a60d5051cac2da0c0c6c10f41301b8a3ef2dc94bcd4eae1cecf311a4d47666a470d74be8962d5ef6bf386af0acb300b42a38d5b