Analysis
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max time kernel
182s -
max time network
210s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 21:30
Static task
static1
Behavioral task
behavioral1
Sample
ccc6865773e3b43d18a5c9e09365976ceef5e423887662df01455db1e5814826.dll
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
ccc6865773e3b43d18a5c9e09365976ceef5e423887662df01455db1e5814826.dll
Resource
win10v2004-20221111-en
General
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Target
ccc6865773e3b43d18a5c9e09365976ceef5e423887662df01455db1e5814826.dll
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Size
161KB
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MD5
435c66c04578565e15c70922e29265b1
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SHA1
50af97707566f2ea519de1cca57d8843a80d3e43
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SHA256
ccc6865773e3b43d18a5c9e09365976ceef5e423887662df01455db1e5814826
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SHA512
9eeae81936d7005a8f948eb20040cfe18f7b6b1af604a2b2f420ba82fa2ca0251c458b47604522de78d047aea8907320b710c00293b404fa25f890c38fc9828f
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SSDEEP
3072:4hqKsvvf4DzDWz6elaKdjOkfL6oBSjNC1oNHH9xb0GW4vyNO5BwqL7HX:/zf4DxehjXDsjNT9MGW3NUH/3
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "0" rundll32.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" rundll32.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
rundll32.exedescription ioc process File opened (read-only) \??\W: rundll32.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 explorer.exe -
Modifies registry class 32 IoCs
Processes:
explorer.exeExplorer.EXEdescription ioc process Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 78003100000000006b55586c1100557365727300640009000400efbe874f77487855080c2e000000c70500000000010000000000000000003a0000000000119b830055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 50003100000000006b55fd72100041646d696e003c0009000400efbe6b55586c7855080c2e00000059e101000000010000000000000000000000000000009b1f6400410064006d0069006e00000014000000 explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Explorer.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 56003100000000006b55586c12004170704461746100400009000400efbe6b55586c7855130c2e00000064e10100000001000000000000000000000000000000f9256e004100700070004400610074006100000016000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
explorer.exepid process 1616 explorer.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
rundll32.exepid process 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe 1752 rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 2628 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
rundll32.exeExplorer.EXEdescription pid process Token: SeDebugPrivilege 1752 rundll32.exe Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE Token: SeShutdownPrivilege 2628 Explorer.EXE Token: SeCreatePagefilePrivilege 2628 Explorer.EXE -
Suspicious use of FindShellTrayWindow 6 IoCs
Processes:
Explorer.EXEpid process 2628 Explorer.EXE 2628 Explorer.EXE 2628 Explorer.EXE 2628 Explorer.EXE 2628 Explorer.EXE 2628 Explorer.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
explorer.exepid process 1616 explorer.exe 1616 explorer.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 2628 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 5048 wrote to memory of 1752 5048 rundll32.exe rundll32.exe PID 5048 wrote to memory of 1752 5048 rundll32.exe rundll32.exe PID 5048 wrote to memory of 1752 5048 rundll32.exe rundll32.exe PID 1752 wrote to memory of 2628 1752 rundll32.exe Explorer.EXE PID 1752 wrote to memory of 3692 1752 rundll32.exe explorer.exe PID 1752 wrote to memory of 3692 1752 rundll32.exe explorer.exe PID 1752 wrote to memory of 3692 1752 rundll32.exe explorer.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:2628 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ccc6865773e3b43d18a5c9e09365976ceef5e423887662df01455db1e5814826.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ccc6865773e3b43d18a5c9e09365976ceef5e423887662df01455db1e5814826.dll,#13⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\explorer.exeexplorer C:\Users\Admin\AppData4⤵PID:3692
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1616
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4116