Analysis
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max time kernel
60s -
max time network
60s -
platform
windows10_x64 -
resource
win10-de-20211104 -
submitted
25-11-2021 16:10
Static task
static1
General
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Target
97c4109b0432ea371702cea17b818140ae060fbba36bc6571eeab9fef349784c.dll
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Size
653KB
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MD5
3c2fb0ecec576fa6b632d44812603ea2
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SHA1
8803c2e07c0492d30840ed210b5b27b98c98cb83
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SHA256
97c4109b0432ea371702cea17b818140ae060fbba36bc6571eeab9fef349784c
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SHA512
b30a84928454cfc85466b7004f8a25899cc0459e78e2b0d44ef928ab17e6c9a3377f0f791c7d790b74249fc19bd821d292435dd338c39be8b6252ff4488912f8
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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suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
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suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
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Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 24 3232 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Hnzkambklgvbnm\patf.wmn 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 data under HKEY_USERS 21 IoCs
Processes:
OfficeC2RClient.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0 OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry OfficeC2RClient.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe\ULSMonitor\ULSCategoriesSeverities = "1329 10,1329 50,941 10,1329 15,941 15,941 6,1329 100,1329 6" OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\officeclicktorun\Overrides OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\all\Overrides OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\FirstSession\officeclicktorun OfficeC2RClient.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages\en-US = "1" OfficeC2RClient.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe\ULSMonitor OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs\officeclicktorun OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\officeclicktorun OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs\officeclicktorun\ConfigContextData OfficeC2RClient.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages\en-US = "2" OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe OfficeC2RClient.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe\ULSMonitor OfficeC2RClient.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe\ULSMonitor\ULSTagIds0 = "5804129,17110992,7202269,17110988,7153487,39965824,17962391,17962392,3702920,3462423,3700754,3965062,4297094,7153421,18716193,7153435,7202265,20502174,6308191,18407617" OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\Overrides OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\TrustCenter\Experimentation OfficeC2RClient.exe -
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}\DEFAULTICON 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\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}\ = "OneDrive" 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 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}\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}\Instance\InitPropertyBag 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}\System.IsPinnedToNameSpaceTree = "1" 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}\Instance FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance 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 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\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17" 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 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 created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\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}\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 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\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}" 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 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\WOW6432NODE\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 (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 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\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} 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 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}\SHELLFOLDER 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 Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder 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 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 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 deleted \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} 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}\System.IsPinnedToNameSpaceTree = "1" 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 3232 rundll32.exe 3232 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 4184 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OfficeC2RClient.exepid process 2940 OfficeC2RClient.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 4484 wrote to memory of 4596 4484 rundll32.exe rundll32.exe PID 4484 wrote to memory of 4596 4484 rundll32.exe rundll32.exe PID 4484 wrote to memory of 4596 4484 rundll32.exe rundll32.exe PID 4596 wrote to memory of 4184 4596 rundll32.exe rundll32.exe PID 4596 wrote to memory of 4184 4596 rundll32.exe rundll32.exe PID 4596 wrote to memory of 4184 4596 rundll32.exe rundll32.exe PID 4184 wrote to memory of 772 4184 rundll32.exe rundll32.exe PID 4184 wrote to memory of 772 4184 rundll32.exe rundll32.exe PID 4184 wrote to memory of 772 4184 rundll32.exe rundll32.exe PID 772 wrote to memory of 3232 772 rundll32.exe rundll32.exe PID 772 wrote to memory of 3232 772 rundll32.exe rundll32.exe PID 772 wrote to memory of 3232 772 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\97c4109b0432ea371702cea17b818140ae060fbba36bc6571eeab9fef349784c.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\97c4109b0432ea371702cea17b818140ae060fbba36bc6571eeab9fef349784c.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\97c4109b0432ea371702cea17b818140ae060fbba36bc6571eeab9fef349784c.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\Hnzkambklgvbnm\patf.wmn",YjMv4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Hnzkambklgvbnm\patf.wmn",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
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe" /frequentupdate SCHEDULEDTASK displaylevel=False1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/772-138-0x0000000000000000-mapping.dmp
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memory/772-140-0x00000000035F0000-0x0000000003618000-memory.dmpFilesize
160KB
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memory/3232-146-0x0000000000CF0000-0x0000000000D18000-memory.dmpFilesize
160KB
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memory/3232-155-0x0000000004BB0000-0x0000000004BD8000-memory.dmpFilesize
160KB
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memory/3232-164-0x0000000004E80000-0x0000000004EA8000-memory.dmpFilesize
160KB
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memory/3232-161-0x0000000004D80000-0x0000000004DA8000-memory.dmpFilesize
160KB
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memory/3232-158-0x0000000004C90000-0x0000000004CB8000-memory.dmpFilesize
160KB
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memory/3232-152-0x0000000004AD0000-0x0000000004AF8000-memory.dmpFilesize
160KB
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memory/3232-149-0x00000000044A0000-0x00000000044C8000-memory.dmpFilesize
160KB
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memory/3232-145-0x0000000000000000-mapping.dmp
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memory/4184-139-0x0000000005320000-0x0000000005348000-memory.dmpFilesize
160KB
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memory/4184-122-0x0000000000000000-mapping.dmp
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memory/4184-135-0x00000000051D0000-0x00000000051F8000-memory.dmpFilesize
160KB
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memory/4184-123-0x00000000048D0000-0x00000000048F8000-memory.dmpFilesize
160KB
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memory/4184-132-0x0000000005170000-0x0000000005198000-memory.dmpFilesize
160KB
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memory/4184-129-0x0000000005010000-0x0000000005038000-memory.dmpFilesize
160KB
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memory/4184-126-0x0000000004E30000-0x0000000004E58000-memory.dmpFilesize
160KB
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memory/4596-119-0x0000000003440000-0x0000000003468000-memory.dmpFilesize
160KB
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memory/4596-118-0x0000000000000000-mapping.dmp