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Analysis
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max time kernel
182s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 10:40
Static task
static1
Behavioral task
behavioral1
Sample
397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
6 signatures
150 seconds
General
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Target
397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe
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Size
1.9MB
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MD5
67a18b7effe481fce8c9a4be6f9bdf87
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SHA1
c14de7df2c844f6f70c7d54b74a20f836f0f0a9d
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SHA256
397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd
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SHA512
fa6731b441979a3f907407619f9f0e87460999681a93d76aa8bcafca8b586648c8dc37c0d010c62e1884f477c2e96a5f0b82ff4e6427f9e0d5de06b65d2f6e9c
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SSDEEP
24576:tv7Ye6MEPqSAiLef5sqv5KIKROFGbXt5c+gd/RPMMu63Gk3ZQ:tDYfrw5sE5jKRjbYhJRUA3Hq
Score
7/10
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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.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 Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BEA57CB2-7338-11ED-B696-FA09CB65A760} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0ece29e4507d901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2790986641" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000094222d423b40e46b4cc7680ad6a45f3000000000200000000001066000000010000200000008782bf66a1dda4adb681ee10018158fd140cb589f72034f3648e22411e0c7288000000000e80000000020000200000006a951c0e7490eda71289c94ea3743cd21c3d9959f8e3ea89f71253c59567078620000000466646b5603a19648004e59227643abfd92e1928f788424e7b58f1256a233c0e40000000e920eb0f26141c4d133ac5a07136bc6a18d22bc101d0466282624676bb11cc121b5a7870aa30ab6f358142f00c3c406f666185bb9570a82957b926421ff2cb18 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376857282" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31000389" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2672234783" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31000389" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2790986641" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 608e639f4507d901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2672078715" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000389" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000389" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000094222d423b40e46b4cc7680ad6a45f300000000020000000000106600000001000020000000e29dc5cf6a09955234f8ff741f971b37e112857954bba210e2f616686b679018000000000e8000000002000020000000af2e275242c1fcb18b2308351a5f84aa685f9ceb5fdbe1bac9efc480372edb5f200000001ed643a6aa3c56eab06412e755dd8f6230689aaf9daf43cdb7645df4ae881e9e400000006e5490e151d00fdbd8183132812c7a9420a3e64798d3f0aeb5109f1e7def4db36b9570c1be3473ad4dd6fd6a4c5c1565de8348ac88f8f7532e61f2c31c9a8ee8 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1392 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4300 397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe 4300 397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe 4300 397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe 4300 397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe 1392 iexplore.exe 1392 iexplore.exe 2972 IEXPLORE.EXE 2972 IEXPLORE.EXE 2972 IEXPLORE.EXE 2972 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4300 wrote to memory of 1392 4300 397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe 82 PID 4300 wrote to memory of 1392 4300 397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe 82 PID 1392 wrote to memory of 2972 1392 iexplore.exe 83 PID 1392 wrote to memory of 2972 1392 iexplore.exe 83 PID 1392 wrote to memory of 2972 1392 iexplore.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe"C:\Users\Admin\AppData\Local\Temp\397ef102cf53db3a8c954d543855a0ce0330ee20779b8859695d3c152813b3dd.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://www.cfbingyue.com/2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1392 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2972
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