Analysis
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max time kernel
148s -
max time network
136s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-03-2024 07:25
Static task
static1
Behavioral task
behavioral1
Sample
95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe
Resource
win10v2004-20240226-en
General
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Target
95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe
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Size
1.8MB
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MD5
3368b366cd79bb42b36ed56d46829497
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SHA1
3e3dbd37f0e5f9242730a7c4ec6be100e5f8b5e1
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SHA256
95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd
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SHA512
081d45a88d0ce6c02187a78dab9acb04566e8c0060285da7b63da5dcd9bfdc42bc4a27cbbd0250b55b3918469b706df69bb44e46a651daecb77661fc99bc503f
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SSDEEP
49152:xlbpp54DqYVv8Vb0xN68ozi9NnpIbVb4CFhU5Q:DacwxNj9NpmxrmQ
Malware Config
Extracted
amadey
4.17
http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Extracted
amadey
4.17
http://185.215.113.32
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
explorgu.exe95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 3 864 rundll32.exe 4 3276 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorgu.exe95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 224 explorgu.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine 95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe Key opened \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 3156 rundll32.exe 864 rundll32.exe 3276 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exeexplorgu.exepid process 3948 95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe 224 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exeexplorgu.exerundll32.exepowershell.exepid process 3948 95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe 3948 95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe 224 explorgu.exe 224 explorgu.exe 864 rundll32.exe 864 rundll32.exe 864 rundll32.exe 864 rundll32.exe 864 rundll32.exe 864 rundll32.exe 864 rundll32.exe 864 rundll32.exe 864 rundll32.exe 864 rundll32.exe 656 powershell.exe 656 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 656 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 224 wrote to memory of 3156 224 explorgu.exe rundll32.exe PID 224 wrote to memory of 3156 224 explorgu.exe rundll32.exe PID 224 wrote to memory of 3156 224 explorgu.exe rundll32.exe PID 3156 wrote to memory of 864 3156 rundll32.exe rundll32.exe PID 3156 wrote to memory of 864 3156 rundll32.exe rundll32.exe PID 864 wrote to memory of 1216 864 rundll32.exe netsh.exe PID 864 wrote to memory of 1216 864 rundll32.exe netsh.exe PID 864 wrote to memory of 656 864 rundll32.exe powershell.exe PID 864 wrote to memory of 656 864 rundll32.exe powershell.exe PID 224 wrote to memory of 3276 224 explorgu.exe rundll32.exe PID 224 wrote to memory of 3276 224 explorgu.exe rundll32.exe PID 224 wrote to memory of 3276 224 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe"C:\Users\Admin\AppData\Local\Temp\95dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeC:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\567984660271_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main2⤵
- Blocklisted process makes network request
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeFilesize
1.8MB
MD53368b366cd79bb42b36ed56d46829497
SHA13e3dbd37f0e5f9242730a7c4ec6be100e5f8b5e1
SHA25695dd45f03de6822f428acdbb28fbd93a20d79b3721cc9398083e7a61667876dd
SHA512081d45a88d0ce6c02187a78dab9acb04566e8c0060285da7b63da5dcd9bfdc42bc4a27cbbd0250b55b3918469b706df69bb44e46a651daecb77661fc99bc503f
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_izyrfp1z.bgy.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dllFilesize
109KB
MD52afdbe3b99a4736083066a13e4b5d11a
SHA14d4856cf02b3123ac16e63d4a448cdbcb1633546
SHA2568d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee
SHA512d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f
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C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dllFilesize
1.2MB
MD592fbdfccf6a63acef2743631d16652a7
SHA1971968b1378dd89d59d7f84bf92f16fc68664506
SHA256b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72
SHA512b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117
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C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dllFilesize
640KB
MD58797aa2e2071a68bad19e87bc5ffbfde
SHA17ec594cc608ebe2d8b02904884f3c49516a4a557
SHA2568012deedc605cb859912ab19c907ae170397b6c673d44c7aaabdd81ab87674a4
SHA512cabc364faf55796d20faded4304b845ab3b17fab3b222115a13081cf3e99c67c505f9788a1463673a52ed78a9f2b64e11d132e73165e67aa9be4da6db69d2ec3
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C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dllFilesize
254KB
MD58fae74e67a71082d242184b1f724a326
SHA1260ca5333721346c7dac5b42955873cbeebacbcc
SHA2567bb4e814b72ee14537f8fdaab89b6f1c161c7ad5780969e46767a3e6f0a98799
SHA5126b425f6965b5a7aa5901cbd9f28c508e1311a63131b7d49410da53dd8452d4b4775701dc35d332a3c9c135a5686c74a4f82853a83039fb4d913799adc5f84efb
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C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dllFilesize
705KB
MD5d75b1731bd7d2f83e4f6998d0c6ea372
SHA1b1add9b6af668e570f49f6498528f9a7ace44967
SHA256f458d1619599209e4dfeb220d9c4688c56ca448ae66085ea26d57edc95211d8a
SHA512740c958577d4c5cb3b5d08e77d315ba4e2d518a87016b369986ff1c7c8608b04a87a86e558d309b94a76ac0466ae2a2e2145d4b2406a3a0bd98b5a6171979b30
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memory/224-19-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-23-0x0000000004F60000-0x0000000004F61000-memory.dmpFilesize
4KB
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memory/224-76-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-63-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-62-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-53-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-77-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-78-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-20-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-22-0x0000000004F80000-0x0000000004F81000-memory.dmpFilesize
4KB
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memory/224-21-0x0000000004F70000-0x0000000004F71000-memory.dmpFilesize
4KB
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memory/224-75-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-24-0x0000000004FA0000-0x0000000004FA1000-memory.dmpFilesize
4KB
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memory/224-25-0x0000000004F40000-0x0000000004F41000-memory.dmpFilesize
4KB
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memory/224-26-0x0000000004F50000-0x0000000004F51000-memory.dmpFilesize
4KB
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memory/224-27-0x0000000004FC0000-0x0000000004FC1000-memory.dmpFilesize
4KB
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memory/224-28-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-79-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-80-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-81-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/224-82-0x0000000000E40000-0x00000000012EF000-memory.dmpFilesize
4.7MB
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memory/656-61-0x00007FF993DA0000-0x00007FF994862000-memory.dmpFilesize
10.8MB
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memory/656-55-0x0000013344900000-0x000001334490A000-memory.dmpFilesize
40KB
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memory/656-43-0x0000013344860000-0x0000013344882000-memory.dmpFilesize
136KB
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memory/656-52-0x00000133448D0000-0x00000133448E0000-memory.dmpFilesize
64KB
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memory/656-51-0x00000133448D0000-0x00000133448E0000-memory.dmpFilesize
64KB
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memory/656-50-0x00007FF993DA0000-0x00007FF994862000-memory.dmpFilesize
10.8MB
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memory/656-54-0x0000013344920000-0x0000013344932000-memory.dmpFilesize
72KB
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memory/3948-11-0x00000000057D0000-0x00000000057D1000-memory.dmpFilesize
4KB
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memory/3948-0-0x0000000000F50000-0x00000000013FF000-memory.dmpFilesize
4.7MB
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memory/3948-16-0x0000000000F50000-0x00000000013FF000-memory.dmpFilesize
4.7MB
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memory/3948-10-0x00000000057E0000-0x00000000057E1000-memory.dmpFilesize
4KB
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memory/3948-8-0x0000000005760000-0x0000000005761000-memory.dmpFilesize
4KB
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memory/3948-9-0x00000000057B0000-0x00000000057B1000-memory.dmpFilesize
4KB
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memory/3948-7-0x0000000005750000-0x0000000005751000-memory.dmpFilesize
4KB
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memory/3948-6-0x00000000057C0000-0x00000000057C1000-memory.dmpFilesize
4KB
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memory/3948-3-0x0000000005780000-0x0000000005781000-memory.dmpFilesize
4KB
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memory/3948-5-0x0000000005770000-0x0000000005771000-memory.dmpFilesize
4KB
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memory/3948-4-0x0000000005790000-0x0000000005791000-memory.dmpFilesize
4KB
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memory/3948-2-0x0000000000F50000-0x00000000013FF000-memory.dmpFilesize
4.7MB
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memory/3948-1-0x0000000077006000-0x0000000077008000-memory.dmpFilesize
8KB