Analysis
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max time kernel
42s -
max time network
60s -
platform
windows10_x64 -
resource
win10-de-20211014 -
submitted
25-11-2021 16:48
Static task
static1
Behavioral task
behavioral1
Sample
3c03f94937fc70d940ef62eec5aba99fc8e151cc45812469b1e1a563bb76f19e.dll
Resource
win10-de-20211014
General
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Target
3c03f94937fc70d940ef62eec5aba99fc8e151cc45812469b1e1a563bb76f19e.dll
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Size
653KB
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MD5
7a9ed25082b3d4741ff2f9f05b44e78d
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SHA1
59261a6d0c9d080ef700892a7e18e6d0000430ad
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SHA256
3c03f94937fc70d940ef62eec5aba99fc8e151cc45812469b1e1a563bb76f19e
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SHA512
d2b50ddd2a87534802a488c39358b104fd73af3c7510c797fbc8f6cb799a9d35175526665e96cac4d1efaf4d0d6cc51cc7f0bcada5a4d026c640b1e52feb53fd
Malware Config
Extracted
emotet
Epoch5
51.178.61.60:443
168.197.250.14:80
45.79.33.48:8080
196.44.98.190:8080
177.72.80.14:7080
51.210.242.234:8080
185.148.169.10:8080
142.4.219.173:8080
78.47.204.80:443
78.46.73.125:443
37.44.244.177:8080
37.59.209.141:8080
191.252.103.16:80
54.38.242.185:443
85.214.67.203:8080
54.37.228.122:443
207.148.81.119:8080
195.77.239.39:8080
66.42.57.149:443
195.154.146.35:443
Signatures
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Registers COM server for autorun 1 TTPs
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 17 828 rundll32.exe 18 828 rundll32.exe -
Modifies registry class 44 IoCs
Processes:
FileSyncConfig.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32 FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\TargetKnownFolder = "{a52bba46-e9e1-435f-b3d9-28daa648c0f6}" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\FolderValueFlags = "40" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DEFAULTICON FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32\ = "%systemroot%\\system32\\shell32.dll" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\OneDrive\\OneDrive.exe,0" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DEFAULTICON FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INSTANCE\INITPROPERTYBAG FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\FolderValueFlags = "40" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\OneDrive\\OneDrive.exe,0" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INPROCSERVER32 FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\TargetKnownFolder = "{a52bba46-e9e1-435f-b3d9-28daa648c0f6}" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INPROCSERVER32 FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SHELLFOLDER FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32\ = "%systemroot%\\SysWow64\\shell32.dll" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SHELLFOLDER FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32 FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INSTANCE\INITPROPERTYBAG FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 828 rundll32.exe 828 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 656 wrote to memory of 1304 656 rundll32.exe rundll32.exe PID 656 wrote to memory of 1304 656 rundll32.exe rundll32.exe PID 656 wrote to memory of 1304 656 rundll32.exe rundll32.exe PID 1304 wrote to memory of 828 1304 rundll32.exe rundll32.exe PID 1304 wrote to memory of 828 1304 rundll32.exe rundll32.exe PID 1304 wrote to memory of 828 1304 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3c03f94937fc70d940ef62eec5aba99fc8e151cc45812469b1e1a563bb76f19e.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3c03f94937fc70d940ef62eec5aba99fc8e151cc45812469b1e1a563bb76f19e.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\3c03f94937fc70d940ef62eec5aba99fc8e151cc45812469b1e1a563bb76f19e.dll",Control_RunDLL3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe"C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe"1⤵
- Modifies registry class
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/828-119-0x0000000000000000-mapping.dmp
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memory/828-120-0x0000000000D90000-0x0000000000DB8000-memory.dmpFilesize
160KB
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memory/828-123-0x00000000047B0000-0x00000000047D8000-memory.dmpFilesize
160KB
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memory/828-126-0x00000000049B0000-0x00000000049D8000-memory.dmpFilesize
160KB
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memory/828-129-0x0000000004A90000-0x0000000004AB8000-memory.dmpFilesize
160KB
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memory/828-132-0x0000000004B70000-0x0000000004B98000-memory.dmpFilesize
160KB
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memory/828-135-0x0000000004C50000-0x0000000004C78000-memory.dmpFilesize
160KB
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memory/828-138-0x0000000004D30000-0x0000000004D58000-memory.dmpFilesize
160KB
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memory/1304-115-0x0000000000000000-mapping.dmp
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memory/1304-116-0x0000000000D40000-0x0000000000D68000-memory.dmpFilesize
160KB