Analysis
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max time kernel
163s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
04-12-2022 09:27
Static task
static1
Behavioral task
behavioral1
Sample
372ae2b0f3f8947decc377a03e34e2f61784f94ba6f8dc9825ec8b641c71ac89.exe
Resource
win7-20221111-en
General
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Target
372ae2b0f3f8947decc377a03e34e2f61784f94ba6f8dc9825ec8b641c71ac89.exe
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Size
2.3MB
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MD5
42a36357e26518fa0416e93f4b35a095
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SHA1
dd538984ff99e6e5fb8f27cdbe708792bac86e92
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SHA256
372ae2b0f3f8947decc377a03e34e2f61784f94ba6f8dc9825ec8b641c71ac89
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SHA512
dac3e09353f90e67d7853e5d554388e55f351846ac94204010656811d7c606c96ac9e3a933ede64631260a8a03df91aed08a8f749d2f5920f9095ce3460537b1
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SSDEEP
49152:Fkd2kemEd8YkBAuQSBn3OfBeCRB4DV5EhuHdsPo2EuiTpG73wMaW:22kZEUGuVCRyx5IOdMJEZLM9
Malware Config
Signatures
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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 372ae2b0f3f8947decc377a03e34e2f61784f94ba6f8dc9825ec8b641c71ac89.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31001243" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{67B6CCD2-768E-11ED-BF5F-D2F35ABB710A} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 2099cf789b0ad901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 8084a37c9b0ad901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1059065891" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377223947" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1059065891" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000eef4ddb70fa9964f8bf69d510f57c1eb0000000002000000000010660000000100002000000037892b74b544688bb13d46d42c693af61473c107970d60591a86eb923889c073000000000e80000000020000200000003dc22b2443067801cee03950cb1a9f11d44487d9356d14f18090de3f2f2cf38120000000e4c8f47b563723c26932cf0a49279b20d25b6a8e0ee8bddef2be92aa51b4c63840000000ab4e860f7e23fffd5aec5836b2313f9696170d589ac16e3001b77333d220329852e213ded51c8201a3fe648e015e87e9c256d2ed7182747fc1fdae990393ff57 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000eef4ddb70fa9964f8bf69d510f57c1eb000000000200000000001066000000010000200000004e75252f6f9e53f787449f11f4acd7284c18beca9bd5f1bab45aca47bd91c992000000000e8000000002000020000000ad88924549096c49f1b2e35b8bbd824331ba11c607b9b6e52156314e403d86b320000000809fa6e91bfafb84fb987ca4c2b7b2746ef50472ad6cb0e80da7cc54a718580d40000000be31c3ac46d6cd1d6c05e2dbc95b7a00258344c6a32cc7465f849bea7443a46d9f348ef2b681dc4b208ebce5c13e4abba93d8a498ea1d21bfe9c79ccded27081 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31001243" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1049846836" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31001243" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31001243" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\International\CpMRU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1049846836" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3040 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1720 372ae2b0f3f8947decc377a03e34e2f61784f94ba6f8dc9825ec8b641c71ac89.exe 1720 372ae2b0f3f8947decc377a03e34e2f61784f94ba6f8dc9825ec8b641c71ac89.exe 3040 iexplore.exe 3040 iexplore.exe 3640 IEXPLORE.EXE 3640 IEXPLORE.EXE 3640 IEXPLORE.EXE 3640 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3040 wrote to memory of 3640 3040 iexplore.exe 86 PID 3040 wrote to memory of 3640 3040 iexplore.exe 86 PID 3040 wrote to memory of 3640 3040 iexplore.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\372ae2b0f3f8947decc377a03e34e2f61784f94ba6f8dc9825ec8b641c71ac89.exe"C:\Users\Admin\AppData\Local\Temp\372ae2b0f3f8947decc377a03e34e2f61784f94ba6f8dc9825ec8b641c71ac89.exe"1⤵
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
PID:1720
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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⤵PID:4948
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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
PID:3040 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3040 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3640
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5a9bf4d6b598bc749cb10d5cd124de822
SHA1a63b54b574e1525b0116c9d16598ffaec5bce336
SHA256d9088123c1eb6cb652b994563ab16032520c9269757b1500a2d96c4665433b64
SHA512eea341dcfd1d5ef54f10c2c8566aa8e3c04d9cba2c0224760ee5c5c2538cf72ed5f3b099de45417339653e7058fc7b1f82051d1ac21b7b3f075a02a9c73b9ee3