Analysis
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max time kernel
42s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
14-09-2022 17:55
Static task
static1
Behavioral task
behavioral1
Sample
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe
Resource
win10v2004-20220812-en
General
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Target
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe
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Size
811KB
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MD5
7d710e304c5d5d1febe8c0e1bf14615a
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SHA1
34d813aedb66d14ece1276f8ee61a568546c8dbe
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SHA256
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9
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SHA512
6ece233063306b29c3abf1d4449a9cf172a77f44f2f2ceb48ea23161de57aa795c720d263ea9d6964c7ec5756024e21a6464cabd47c6a8ca9e49263b2b339bab
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SSDEEP
24576:I+YEet8dPBHHzeRjTQl3IPf+i0eqHbC7kP0WSCnJwrB:I+YV8NBpWPfseqHbg/I2
Malware Config
Extracted
C:\How To Restore Your Files.txt
Signatures
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Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 7 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exedescription ioc process File renamed C:\Users\Admin\Pictures\UnblockWrite.png => C:\Users\Admin\Pictures\UnblockWrite.png.babyk b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened for modification C:\Users\Admin\Pictures\UnblockWrite.png.babyk b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File renamed C:\Users\Admin\Pictures\BlockWatch.raw => C:\Users\Admin\Pictures\BlockWatch.raw.babyk b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened for modification C:\Users\Admin\Pictures\BlockWatch.raw.babyk b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened for modification C:\Users\Admin\Pictures\PublishCheckpoint.tiff b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File renamed C:\Users\Admin\Pictures\PublishCheckpoint.tiff => C:\Users\Admin\Pictures\PublishCheckpoint.tiff.babyk b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened for modification C:\Users\Admin\Pictures\PublishCheckpoint.tiff.babyk b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exedescription ioc process File opened (read-only) \??\I: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\F: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\H: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\J: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\L: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\V: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\Y: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\U: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\B: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\A: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\X: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\N: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\Q: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\W: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\T: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\O: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\P: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\S: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\K: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\M: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\E: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\R: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\G: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe File opened (read-only) \??\Z: b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
Processes:
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exepid process 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exevssadmin.exepid process 1628 vssadmin.exe 112 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exepid process 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 1980 vssvc.exe Token: SeRestorePrivilege 1980 vssvc.exe Token: SeAuditPrivilege 1980 vssvc.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .execmd.execmd.exedescription pid process target process PID 1972 wrote to memory of 1532 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe cmd.exe PID 1972 wrote to memory of 1532 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe cmd.exe PID 1972 wrote to memory of 1532 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe cmd.exe PID 1972 wrote to memory of 1532 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe cmd.exe PID 1532 wrote to memory of 1628 1532 cmd.exe vssadmin.exe PID 1532 wrote to memory of 1628 1532 cmd.exe vssadmin.exe PID 1532 wrote to memory of 1628 1532 cmd.exe vssadmin.exe PID 1972 wrote to memory of 1324 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe cmd.exe PID 1972 wrote to memory of 1324 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe cmd.exe PID 1972 wrote to memory of 1324 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe cmd.exe PID 1972 wrote to memory of 1324 1972 b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe cmd.exe PID 1324 wrote to memory of 112 1324 cmd.exe vssadmin.exe PID 1324 wrote to memory of 112 1324 cmd.exe vssadmin.exe PID 1324 wrote to memory of 112 1324 cmd.exe vssadmin.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe"C:\Users\Admin\AppData\Local\Temp\b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9 .exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/112-4819-0x0000000000000000-mapping.dmp
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memory/1324-4817-0x0000000000000000-mapping.dmp
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memory/1532-4811-0x0000000000000000-mapping.dmp
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memory/1628-4812-0x0000000000000000-mapping.dmp
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memory/1972-54-0x00000000751A1000-0x00000000751A3000-memory.dmpFilesize
8KB
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memory/1972-56-0x0000000076220000-0x0000000076267000-memory.dmpFilesize
284KB
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memory/1972-462-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-463-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-464-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-466-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-465-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-467-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-468-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-470-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-469-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-471-0x0000000000400000-0x00000000004DC000-memory.dmpFilesize
880KB
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memory/1972-473-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-472-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-474-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-475-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-476-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-477-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-478-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-479-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-480-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-481-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-482-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-483-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-485-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-484-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-486-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-487-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-488-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-489-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-490-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-491-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-492-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-493-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-494-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-495-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-496-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-497-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-498-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-499-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-500-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-501-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-502-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-503-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-504-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-505-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-506-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-507-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-508-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-509-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-510-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-512-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-511-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-513-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-514-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-515-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-516-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-517-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-518-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-519-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-520-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-521-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-522-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-524-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-523-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-1415-0x00000000004E0000-0x00000000005E0000-memory.dmpFilesize
1024KB
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memory/1972-1416-0x00000000020A0000-0x0000000002221000-memory.dmpFilesize
1.5MB
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memory/1972-4813-0x0000000001F60000-0x0000000002071000-memory.dmpFilesize
1.1MB
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memory/1972-4814-0x0000000001E00000-0x0000000001F01000-memory.dmpFilesize
1.0MB
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memory/1972-4815-0x0000000002230000-0x00000000022D1000-memory.dmpFilesize
644KB
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memory/1972-4816-0x00000000004E0000-0x00000000005E0000-memory.dmpFilesize
1024KB
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memory/1972-4818-0x0000000000400000-0x00000000004DC000-memory.dmpFilesize
880KB