Analysis
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max time kernel
107s -
max time network
115s -
platform
windows7_x64 -
resource
win7v200217 -
submitted
18-03-2020 14:56
Static task
static1
Behavioral task
behavioral1
Sample
7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exe
Resource
win7v200217
windows7_x64
0 signatures
0 seconds
General
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Target
7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exe
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Size
1.1MB
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MD5
8555455c9fc19bfe12669c20ac79896e
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SHA1
66b26c23128cdad05f62b1ac7172a6780c94be67
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SHA256
7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf
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SHA512
a1b666eda1cebc37c2bd6408a1e3db53b9f97af2751ff3157d35e7d2604bb6f6b4863d9a585a610b09f05108408cb7b3bc47d974f1a08dee51bc26de376ce76f
Malware Config
Signatures
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Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exepid process 1844 7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exe 1844 7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1968 wrote to memory of 1996 1968 rundll32.exe NOTEPAD.EXE PID 1968 wrote to memory of 1996 1968 rundll32.exe NOTEPAD.EXE PID 1968 wrote to memory of 1996 1968 rundll32.exe NOTEPAD.EXE -
Modifies registry class 12 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\vssm_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\vssm_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\vssm_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\vssm_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\vssm_auto_file\shell\open rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\vssm_auto_file\shell\open\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\.vssm rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\.vssm\ = "vssm_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\vssm_auto_file\shell\edit rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\vssm_auto_file\shell\edit\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1848298919-2336104428-4012071465-1000_CLASSES\vssm_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" rundll32.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 1996 NOTEPAD.EXE -
Processes:
7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\75E0ABB6138512271C04F85FDDDE38E4B7242EFE 7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\75E0ABB6138512271C04F85FDDDE38E4B7242EFE\Blob = 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 7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\75E0ABB6138512271C04F85FDDDE38E4B7242EFE\Blob = 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 7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\75E0ABB6138512271C04F85FDDDE38E4B7242EFE\Blob = 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 7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exe"C:\Users\Admin\AppData\Local\Temp\7479cf1698cf24467712468a66fa032a5ed4daf4d3126f7c436e54d382223ecf.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Modifies system certificate store
PID:1844
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:1868
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\CheckpointRestore.vssm1⤵
- Suspicious use of WriteProcessMemory
- Modifies registry class
PID:1968 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\CheckpointRestore.vssm2⤵
- Opens file in notepad (likely ransom note)
PID:1996
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