Analysis
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max time kernel
186s -
max time network
196s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2022 07:25
Static task
static1
Behavioral task
behavioral1
Sample
077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe
Resource
win10v2004-20221111-en
General
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Target
077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe
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Size
1.5MB
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MD5
4d661305910cad82206431fa6fb52a07
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SHA1
c906af7f19dd229ae58bc242823c6d62a1dda4fe
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SHA256
077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa
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SHA512
939a794e4b67c594e2be1104c03f416ee44d0e64e02a42157e395b51681150d8a3cf85cac8db1fa2648e5cd14c2959f8e3e54d28a42bb1b3b75579bb9bd51634
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SSDEEP
24576:CH8jCnYScUiYUqQwdeB8aVstfb8GxbdoZRmAfL3H3k:CcjUvFUqQEeHAT8cbeZsA
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation 077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31001537" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377350493" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3796820220" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 2074e4e8c10bd901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e6851ef31fd3cf49b332bbb4721c974800000000020000000000106600000001000020000000cab0902b59f5dc191893beb156ed1c19c19bbc1f53d51272482065fad23fdf76000000000e80000000020000200000008f2124e732bb7d181271651bc8f8239431489debe16711e94f537190fec7d0a42000000066ec665fb2a050ba258f09ea39cca6e4b48c5d2efee3b9cd19eaaad787a5740f4000000075e54d828dfbca2bfebf71d273a4da85eb35a7b3970871697fc38aa05bbe56d790901d6b0feee538f87d5c1eeecd3a4515eec7da35146192376cc43707959e67 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0e8c3e7c10bd901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e6851ef31fd3cf49b332bbb4721c974800000000020000000000106600000001000020000000fda6e344a2f6dcce2d3d796a5673301f299848607d5bc0798344ec292424fe3e000000000e8000000002000020000000dc3e189856a3680fd2de4cb11d51eb239cf7b4b147a2625df6d8be8ce1a5e849200000004b241de2045b400cf7c5dc94336a8b8fdaf3c7aa228dd578cf82e9b1b101059c400000003996571d655c0343f258b609a938c3925b8da64f26ca51589392e2cf65bdbbfea3fad08095c29b92979a04579bbffbb874d68009dda8f4c40879de762dd62087 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3796820220" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31001537" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{08DB7C5A-77B5-11ED-919F-DAD30C974647} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3468 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 1964 077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe 1964 077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe 1964 077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe 1964 077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe 3468 iexplore.exe 3468 iexplore.exe 2960 IEXPLORE.EXE 2960 IEXPLORE.EXE 2960 IEXPLORE.EXE 2960 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1964 wrote to memory of 3468 1964 077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe 83 PID 1964 wrote to memory of 3468 1964 077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe 83 PID 3468 wrote to memory of 2960 3468 iexplore.exe 84 PID 3468 wrote to memory of 2960 3468 iexplore.exe 84 PID 3468 wrote to memory of 2960 3468 iexplore.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe"C:\Users\Admin\AppData\Local\Temp\077f961295ff9d06d24c08aa119c4eed76f137c32476ec389c7d6be6c9cd46fa.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" www.23-3.com2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3468 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3468 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2960
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