Analysis
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max time kernel
44s -
max time network
63s -
platform
windows10_x64 -
resource
win10-de-20211014 -
submitted
25-11-2021 15:55
Static task
static1
Behavioral task
behavioral1
Sample
4ca1535f92e778f491ca11bbdbc70a09026cd0e05980cee0f246b6821239a882.dll
Resource
win10-de-20211014
General
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Target
4ca1535f92e778f491ca11bbdbc70a09026cd0e05980cee0f246b6821239a882.dll
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Size
653KB
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MD5
6e71a8fc08f0fa5cc8af9237a46e3a3a
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SHA1
e3ecb634f21efc075dc5591b91ba79ea7b8c9e1e
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SHA256
4ca1535f92e778f491ca11bbdbc70a09026cd0e05980cee0f246b6821239a882
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SHA512
e2269753a38e023e26f9746be016ec8b10b40db5f7e1c3e1459c7a023ba5a13cd1020e4aa951bf8dc1cc768ae4ccf278e72689bd9a8dc3a54a74d0fe602a6d82
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 16 1460 rundll32.exe 17 1460 rundll32.exe -
Modifies registry class 44 IoCs
Processes:
FileSyncConfig.exedescription ioc process 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 Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon 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 (int) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66" 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 created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag 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 (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive" 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 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}\InProcServer32\ = "%systemroot%\\system32\\shell32.dll" 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 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} 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\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\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525" 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 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\Attributes = "4034920525" FileSyncConfig.exe Key deleted \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\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}" 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 created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon 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 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\WOW6432NODE\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}\InProcServer32 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} 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 Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32 FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance 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 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}\SHELLFOLDER 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}\Instance 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\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1" FileSyncConfig.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 1460 rundll32.exe 1460 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 692 wrote to memory of 1028 692 rundll32.exe rundll32.exe PID 692 wrote to memory of 1028 692 rundll32.exe rundll32.exe PID 692 wrote to memory of 1028 692 rundll32.exe rundll32.exe PID 1028 wrote to memory of 1460 1028 rundll32.exe rundll32.exe PID 1028 wrote to memory of 1460 1028 rundll32.exe rundll32.exe PID 1028 wrote to memory of 1460 1028 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4ca1535f92e778f491ca11bbdbc70a09026cd0e05980cee0f246b6821239a882.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4ca1535f92e778f491ca11bbdbc70a09026cd0e05980cee0f246b6821239a882.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\4ca1535f92e778f491ca11bbdbc70a09026cd0e05980cee0f246b6821239a882.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/1028-115-0x0000000000000000-mapping.dmp
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memory/1028-116-0x0000000002B30000-0x0000000002B58000-memory.dmpFilesize
160KB
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memory/1460-119-0x0000000000000000-mapping.dmp
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memory/1460-120-0x00000000047F0000-0x0000000004818000-memory.dmpFilesize
160KB
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memory/1460-123-0x0000000004CA0000-0x0000000004CC8000-memory.dmpFilesize
160KB
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memory/1460-126-0x0000000005060000-0x0000000005088000-memory.dmpFilesize
160KB
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memory/1460-129-0x0000000005140000-0x0000000005168000-memory.dmpFilesize
160KB
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memory/1460-132-0x0000000005220000-0x0000000005248000-memory.dmpFilesize
160KB
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memory/1460-135-0x0000000005320000-0x0000000005348000-memory.dmpFilesize
160KB