Analysis
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max time kernel
58s -
max time network
136s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
12-04-2021 15:57
Behavioral task
behavioral1
Sample
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe
Resource
win10v20210408
General
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Target
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe
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Size
1.9MB
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MD5
d86f451bbff804e59a549f9fb33d6e3f
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SHA1
3cb0cb07cc2542f1d98060adccda726ea865db98
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SHA256
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549
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SHA512
c86ad7e1d5c445d4de9866faab578b2eb04f72ffef4fac380b7164003471b4b48b09772e735ea15205e2ab4a1f4d194d188cdeb12c7199d0824ddaba393dcaa2
Malware Config
Signatures
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Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\TouchShell\Association cryptone C:\Users\Admin\AppData\Roaming\TouchShell\Association cryptone -
Executes dropped EXE 1 IoCs
Processes:
Associationpid process 960 Association -
Modifies extensions of user files 28 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
Associationdescription ioc process File renamed C:\Users\Admin\Pictures\ConfirmRestore.tif => C:\Users\Admin\Pictures\ConfirmRestore.tif.phoenix Association File renamed C:\Users\Admin\Pictures\ImportUninstall.tiff => C:\Users\Admin\Pictures\ImportUninstall.tiff.phoenix Association File renamed C:\Users\Admin\Pictures\SubmitUndo.tif => C:\Users\Admin\Pictures\SubmitUndo.tif.phoenix Association File opened for modification C:\Users\Admin\Pictures\SubmitUndo.tif.phoenix Association File renamed C:\Users\Admin\Pictures\UnlockEdit.crw => C:\Users\Admin\Pictures\UnlockEdit.crw.phoenix Association File opened for modification C:\Users\Admin\Pictures\UseUndo.png.phoenix Association File opened for modification C:\Users\Admin\Pictures\RevokeTest.tif.phoenix Association File renamed C:\Users\Admin\Pictures\StopBackup.png => C:\Users\Admin\Pictures\StopBackup.png.phoenix Association File opened for modification C:\Users\Admin\Pictures\UseLimit.tiff.phoenix Association File opened for modification C:\Users\Admin\Pictures\CompleteSelect.png.phoenix Association File renamed C:\Users\Admin\Pictures\FormatShow.tif => C:\Users\Admin\Pictures\FormatShow.tif.phoenix Association File renamed C:\Users\Admin\Pictures\MoveResolve.raw => C:\Users\Admin\Pictures\MoveResolve.raw.phoenix Association File opened for modification C:\Users\Admin\Pictures\StopBackup.png.phoenix Association File opened for modification C:\Users\Admin\Pictures\MoveResolve.raw.phoenix Association File renamed C:\Users\Admin\Pictures\PopUnregister.tif => C:\Users\Admin\Pictures\PopUnregister.tif.phoenix Association File opened for modification C:\Users\Admin\Pictures\RevokeInitialize.png.phoenix Association File renamed C:\Users\Admin\Pictures\UseUndo.png => C:\Users\Admin\Pictures\UseUndo.png.phoenix Association File renamed C:\Users\Admin\Pictures\CompleteSelect.png => C:\Users\Admin\Pictures\CompleteSelect.png.phoenix Association File opened for modification C:\Users\Admin\Pictures\RevokeMerge.tif.phoenix Association File renamed C:\Users\Admin\Pictures\UseLimit.tiff => C:\Users\Admin\Pictures\UseLimit.tiff.phoenix Association File opened for modification C:\Users\Admin\Pictures\FormatShow.tif.phoenix Association File renamed C:\Users\Admin\Pictures\RevokeTest.tif => C:\Users\Admin\Pictures\RevokeTest.tif.phoenix Association File opened for modification C:\Users\Admin\Pictures\UnlockEdit.crw.phoenix Association File opened for modification C:\Users\Admin\Pictures\ConfirmRestore.tif.phoenix Association File opened for modification C:\Users\Admin\Pictures\ImportUninstall.tiff.phoenix Association File opened for modification C:\Users\Admin\Pictures\PopUnregister.tif.phoenix Association File renamed C:\Users\Admin\Pictures\RevokeInitialize.png => C:\Users\Admin\Pictures\RevokeInitialize.png.phoenix Association File renamed C:\Users\Admin\Pictures\RevokeMerge.tif => C:\Users\Admin\Pictures\RevokeMerge.tif.phoenix Association -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exeAssociationcmd.execmd.exedescription pid process target process PID 644 wrote to memory of 960 644 008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe Association PID 644 wrote to memory of 960 644 008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe Association PID 960 wrote to memory of 4060 960 Association cmd.exe PID 960 wrote to memory of 4060 960 Association cmd.exe PID 644 wrote to memory of 1244 644 008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe cmd.exe PID 644 wrote to memory of 1244 644 008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe cmd.exe PID 4060 wrote to memory of 2080 4060 cmd.exe waitfor.exe PID 4060 wrote to memory of 2080 4060 cmd.exe waitfor.exe PID 1244 wrote to memory of 3940 1244 cmd.exe waitfor.exe PID 1244 wrote to memory of 3940 1244 cmd.exe waitfor.exe PID 1244 wrote to memory of 1452 1244 cmd.exe attrib.exe PID 1244 wrote to memory of 1452 1244 cmd.exe attrib.exe PID 4060 wrote to memory of 1536 4060 cmd.exe attrib.exe PID 4060 wrote to memory of 1536 4060 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1536 attrib.exe 1452 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe"C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\TouchShell\AssociationC:\Users\Admin\AppData\Roaming\TouchShell\Association /go2⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\cmd.execmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Roaming\TouchShell\Association" & del "C:\Users\Admin\AppData\Roaming\TouchShell\Association" & rd "C:\Users\Admin\AppData\Roaming\TouchShell\"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\waitfor.exewaitfor /t 10 pause /d y4⤵
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C:\Windows\system32\attrib.exeattrib -h "C:\Users\Admin\AppData\Roaming\TouchShell\Association"4⤵
- Views/modifies file attributes
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C:\Windows\SYSTEM32\cmd.execmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe" & del "C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe" & rd "C:\Users\Admin\AppData\Local\Temp\"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\waitfor.exewaitfor /t 10 pause /d y3⤵
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C:\Windows\system32\attrib.exeattrib -h "C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe"3⤵
- Views/modifies file attributes
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\TouchShell\AssociationMD5
d86f451bbff804e59a549f9fb33d6e3f
SHA13cb0cb07cc2542f1d98060adccda726ea865db98
SHA256008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549
SHA512c86ad7e1d5c445d4de9866faab578b2eb04f72ffef4fac380b7164003471b4b48b09772e735ea15205e2ab4a1f4d194d188cdeb12c7199d0824ddaba393dcaa2
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C:\Users\Admin\AppData\Roaming\TouchShell\AssociationMD5
d86f451bbff804e59a549f9fb33d6e3f
SHA13cb0cb07cc2542f1d98060adccda726ea865db98
SHA256008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549
SHA512c86ad7e1d5c445d4de9866faab578b2eb04f72ffef4fac380b7164003471b4b48b09772e735ea15205e2ab4a1f4d194d188cdeb12c7199d0824ddaba393dcaa2
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memory/644-114-0x0000000140000000-0x00000001401E4000-memory.dmpFilesize
1.9MB
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memory/644-115-0x0000000002020000-0x00000000021E0000-memory.dmpFilesize
1.8MB
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memory/960-116-0x0000000000000000-mapping.dmp
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memory/960-119-0x0000000140000000-0x00000001401E4000-memory.dmpFilesize
1.9MB
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memory/1244-122-0x0000000000000000-mapping.dmp
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memory/1452-125-0x0000000000000000-mapping.dmp
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memory/1536-126-0x0000000000000000-mapping.dmp
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memory/2080-123-0x0000000000000000-mapping.dmp
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memory/3940-124-0x0000000000000000-mapping.dmp
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memory/4060-121-0x0000000000000000-mapping.dmp