Analysis
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max time kernel
33s -
max time network
59s -
platform
windows10_x64 -
resource
win10-de-20211104 -
submitted
25-11-2021 16:46
Static task
static1
Behavioral task
behavioral1
Sample
8d2c7a1e2f870ccd9d75c3feb7c0c22a61b022bc05d13eb21089550d077f6fb9.dll
Resource
win10-de-20211104
General
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Target
8d2c7a1e2f870ccd9d75c3feb7c0c22a61b022bc05d13eb21089550d077f6fb9.dll
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Size
653KB
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MD5
edefbadb37327952b11c8d717b097db1
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SHA1
23a132796c67ec6979a7e8e0c2bdf67d0b0428d1
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SHA256
8d2c7a1e2f870ccd9d75c3feb7c0c22a61b022bc05d13eb21089550d077f6fb9
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SHA512
470a5862f5ca7114d0cd6038a0f8edf9611b4464baa96fa3e632b1d6edb25601353af9a5ef343683fc39ebf17d01a931c4302594ecf0e241e98691d3d4fb22ac
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 1 IoCs
Processes:
rundll32.exeflow pid process 23 3244 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Fizwzja\omtjrqeoq.aqa rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 44 IoCs
Processes:
FileSyncConfig.exedescription ioc process Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32 FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32\ = "%systemroot%\\system32\\shell32.dll" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INPROCSERVER32 FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INPROCSERVER32 FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INSTANCE\INITPROPERTYBAG FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SHELLFOLDER FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\FolderValueFlags = "40" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INSTANCE\INITPROPERTYBAG FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SHELLFOLDER FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DEFAULTICON FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32\ = "%systemroot%\\SysWow64\\shell32.dll" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\FolderValueFlags = "40" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DEFAULTICON FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32 FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\OneDrive\\OneDrive.exe,0" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_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-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\TargetKnownFolder = "{a52bba46-e9e1-435f-b3d9-28daa648c0f6}" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\TargetKnownFolder = "{a52bba46-e9e1-435f-b3d9-28daa648c0f6}" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525" FileSyncConfig.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 3244 rundll32.exe 3244 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 4156 rundll32.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 1636 wrote to memory of 4172 1636 rundll32.exe rundll32.exe PID 1636 wrote to memory of 4172 1636 rundll32.exe rundll32.exe PID 1636 wrote to memory of 4172 1636 rundll32.exe rundll32.exe PID 4172 wrote to memory of 4156 4172 rundll32.exe rundll32.exe PID 4172 wrote to memory of 4156 4172 rundll32.exe rundll32.exe PID 4172 wrote to memory of 4156 4172 rundll32.exe rundll32.exe PID 4156 wrote to memory of 768 4156 rundll32.exe rundll32.exe PID 4156 wrote to memory of 768 4156 rundll32.exe rundll32.exe PID 4156 wrote to memory of 768 4156 rundll32.exe rundll32.exe PID 768 wrote to memory of 3244 768 rundll32.exe rundll32.exe PID 768 wrote to memory of 3244 768 rundll32.exe rundll32.exe PID 768 wrote to memory of 3244 768 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8d2c7a1e2f870ccd9d75c3feb7c0c22a61b022bc05d13eb21089550d077f6fb9.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8d2c7a1e2f870ccd9d75c3feb7c0c22a61b022bc05d13eb21089550d077f6fb9.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\8d2c7a1e2f870ccd9d75c3feb7c0c22a61b022bc05d13eb21089550d077f6fb9.dll",Control_RunDLL3⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Fizwzja\omtjrqeoq.aqa",DsbRw4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Fizwzja\omtjrqeoq.aqa",Control_RunDLL5⤵
- 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/768-138-0x0000000000000000-mapping.dmp
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memory/768-140-0x0000000004900000-0x0000000004928000-memory.dmpFilesize
160KB
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memory/3244-146-0x00000000049B0000-0x00000000049D8000-memory.dmpFilesize
160KB
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memory/3244-145-0x0000000000000000-mapping.dmp
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memory/3244-155-0x00000000052A0000-0x00000000052C8000-memory.dmpFilesize
160KB
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memory/3244-152-0x00000000051C0000-0x00000000051E8000-memory.dmpFilesize
160KB
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memory/3244-158-0x0000000005380000-0x00000000053A8000-memory.dmpFilesize
160KB
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memory/3244-149-0x0000000004FE0000-0x0000000005008000-memory.dmpFilesize
160KB
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memory/3244-161-0x0000000005460000-0x0000000005488000-memory.dmpFilesize
160KB
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memory/4156-132-0x0000000004A00000-0x0000000004A28000-memory.dmpFilesize
160KB
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memory/4156-139-0x0000000004BC0000-0x0000000004BE8000-memory.dmpFilesize
160KB
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memory/4156-123-0x00000000041B0000-0x00000000041D8000-memory.dmpFilesize
160KB
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memory/4156-122-0x0000000000000000-mapping.dmp
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memory/4156-135-0x0000000004A60000-0x0000000004A88000-memory.dmpFilesize
160KB
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memory/4156-129-0x0000000004880000-0x00000000048A8000-memory.dmpFilesize
160KB
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memory/4156-126-0x0000000004690000-0x00000000046B8000-memory.dmpFilesize
160KB
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memory/4172-119-0x0000000003420000-0x0000000003448000-memory.dmpFilesize
160KB
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memory/4172-118-0x0000000000000000-mapping.dmp