Analysis
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max time kernel
242s -
max time network
334s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 09:46
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
General
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Target
file.exe
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Size
1.3MB
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MD5
e9c404f0f0851e0a18d4a46601dee51e
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SHA1
7fa9bea1c68da15ddd548f65c0558c3cabc16f56
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SHA256
ad9f4083baed608e0927c915b18b9577e7baf7e3a38782def370a50e7f929860
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SHA512
c564d001f2a0aa327cf3ca5ef9a7f4b2423eb4fd2b415d50ad10b7c52e17326b4390e971e43fb2ef5989a8e0ce35096b346366955bb5390739c431efa7f1fa37
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SSDEEP
24576:tiz5uzgaiubgYwc1iU3OPlmHV3YNQ39yOo4clYtROu7JuOtgZIY7eCLxYiy:G5uzgWHlOP+OygvyXnk1NeViy
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
Processes:
is-4FP6T.tmpPrintFolders.exeQ0o0dCKoLYE.exepid process 332 is-4FP6T.tmp 344 PrintFolders.exe 612 Q0o0dCKoLYE.exe -
Loads dropped DLL 10 IoCs
Processes:
file.exeis-4FP6T.tmpPrintFolders.exeQ0o0dCKoLYE.exepid process 432 file.exe 332 is-4FP6T.tmp 332 is-4FP6T.tmp 332 is-4FP6T.tmp 332 is-4FP6T.tmp 344 PrintFolders.exe 344 PrintFolders.exe 344 PrintFolders.exe 612 Q0o0dCKoLYE.exe 612 Q0o0dCKoLYE.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 9 IoCs
Processes:
is-4FP6T.tmpdescription ioc process File created C:\Program Files (x86)\PrintFolders\unins000.dat is-4FP6T.tmp File created C:\Program Files (x86)\PrintFolders\is-TK9KK.tmp is-4FP6T.tmp File opened for modification C:\Program Files (x86)\PrintFolders\PrintFolders.exe is-4FP6T.tmp File created C:\Program Files (x86)\PrintFolders\is-2U2F3.tmp is-4FP6T.tmp File created C:\Program Files (x86)\PrintFolders\is-CNQ27.tmp is-4FP6T.tmp File created C:\Program Files (x86)\PrintFolders\is-7D353.tmp is-4FP6T.tmp File created C:\Program Files (x86)\PrintFolders\is-79O3J.tmp is-4FP6T.tmp File created C:\Program Files (x86)\PrintFolders\is-7CEDC.tmp is-4FP6T.tmp File opened for modification C:\Program Files (x86)\PrintFolders\unins000.dat is-4FP6T.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 1736 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
PrintFolders.exepid process 344 PrintFolders.exe 344 PrintFolders.exe 344 PrintFolders.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
is-4FP6T.tmptaskkill.exedescription pid process Token: SeRestorePrivilege 332 is-4FP6T.tmp Token: SeBackupPrivilege 332 is-4FP6T.tmp Token: SeDebugPrivilege 1736 taskkill.exe -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
file.exeis-4FP6T.tmpPrintFolders.execmd.exedescription pid process target process PID 432 wrote to memory of 332 432 file.exe is-4FP6T.tmp PID 432 wrote to memory of 332 432 file.exe is-4FP6T.tmp PID 432 wrote to memory of 332 432 file.exe is-4FP6T.tmp PID 432 wrote to memory of 332 432 file.exe is-4FP6T.tmp PID 432 wrote to memory of 332 432 file.exe is-4FP6T.tmp PID 432 wrote to memory of 332 432 file.exe is-4FP6T.tmp PID 432 wrote to memory of 332 432 file.exe is-4FP6T.tmp PID 332 wrote to memory of 344 332 is-4FP6T.tmp PrintFolders.exe PID 332 wrote to memory of 344 332 is-4FP6T.tmp PrintFolders.exe PID 332 wrote to memory of 344 332 is-4FP6T.tmp PrintFolders.exe PID 332 wrote to memory of 344 332 is-4FP6T.tmp PrintFolders.exe PID 332 wrote to memory of 344 332 is-4FP6T.tmp PrintFolders.exe PID 332 wrote to memory of 344 332 is-4FP6T.tmp PrintFolders.exe PID 332 wrote to memory of 344 332 is-4FP6T.tmp PrintFolders.exe PID 344 wrote to memory of 612 344 PrintFolders.exe Q0o0dCKoLYE.exe PID 344 wrote to memory of 612 344 PrintFolders.exe Q0o0dCKoLYE.exe PID 344 wrote to memory of 612 344 PrintFolders.exe Q0o0dCKoLYE.exe PID 344 wrote to memory of 612 344 PrintFolders.exe Q0o0dCKoLYE.exe PID 344 wrote to memory of 612 344 PrintFolders.exe Q0o0dCKoLYE.exe PID 344 wrote to memory of 612 344 PrintFolders.exe Q0o0dCKoLYE.exe PID 344 wrote to memory of 612 344 PrintFolders.exe Q0o0dCKoLYE.exe PID 344 wrote to memory of 1608 344 PrintFolders.exe cmd.exe PID 344 wrote to memory of 1608 344 PrintFolders.exe cmd.exe PID 344 wrote to memory of 1608 344 PrintFolders.exe cmd.exe PID 344 wrote to memory of 1608 344 PrintFolders.exe cmd.exe PID 344 wrote to memory of 1608 344 PrintFolders.exe cmd.exe PID 344 wrote to memory of 1608 344 PrintFolders.exe cmd.exe PID 344 wrote to memory of 1608 344 PrintFolders.exe cmd.exe PID 1608 wrote to memory of 1736 1608 cmd.exe taskkill.exe PID 1608 wrote to memory of 1736 1608 cmd.exe taskkill.exe PID 1608 wrote to memory of 1736 1608 cmd.exe taskkill.exe PID 1608 wrote to memory of 1736 1608 cmd.exe taskkill.exe PID 1608 wrote to memory of 1736 1608 cmd.exe taskkill.exe PID 1608 wrote to memory of 1736 1608 cmd.exe taskkill.exe PID 1608 wrote to memory of 1736 1608 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-VL3J0.tmp\is-4FP6T.tmp"C:\Users\Admin\AppData\Local\Temp\is-VL3J0.tmp\is-4FP6T.tmp" /SL4 $70120 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1084329 517122⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\PrintFolders\PrintFolders.exe"C:\Program Files (x86)\PrintFolders\PrintFolders.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0o0dCKoLYE.exe
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "PrintFolders.exe" /f & erase "C:\Program Files (x86)\PrintFolders\PrintFolders.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "PrintFolders.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files (x86)\PrintFolders\PrintFolders.exeFilesize
1.4MB
MD5fadc477e13448e6398325a4f952e138f
SHA12796925cd06263db618c0c1f3f5bec3f58421fac
SHA256483b4f4cb957aff0012696e5c35c4d2e2e7847483c6a0253b0080467fd8a37fa
SHA512bef434bbc25fd2c6af5cadecb2930b014affdf37fb98eadaab3cff37c944ad91c4f8c4129fc6629f292c2b27a7fc6581918c87f2bc0afbda1de58d771e88eee3
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C:\Program Files (x86)\PrintFolders\PrintFolders.exeFilesize
1.4MB
MD5fadc477e13448e6398325a4f952e138f
SHA12796925cd06263db618c0c1f3f5bec3f58421fac
SHA256483b4f4cb957aff0012696e5c35c4d2e2e7847483c6a0253b0080467fd8a37fa
SHA512bef434bbc25fd2c6af5cadecb2930b014affdf37fb98eadaab3cff37c944ad91c4f8c4129fc6629f292c2b27a7fc6581918c87f2bc0afbda1de58d771e88eee3
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C:\Users\Admin\AppData\Local\Temp\is-VL3J0.tmp\is-4FP6T.tmpFilesize
643KB
MD585b94e72c3f2d2b5464e2aaf3c9e242a
SHA1ce7ccae5f50a990d059d59292d4a332979e162ba
SHA2561441464feeef365573af18802c464769b7d3107624fde24604f57e386f97f1a7
SHA512c0c27189989db482be9bda5b6b8b1441bdc5e9b0f3a414ccab4c4be516e7f99e25717845361a5b196114502faaaf21bec7aca91b497acd2e2396f49c31850880
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C:\Users\Admin\AppData\Local\Temp\is-VL3J0.tmp\is-4FP6T.tmpFilesize
643KB
MD585b94e72c3f2d2b5464e2aaf3c9e242a
SHA1ce7ccae5f50a990d059d59292d4a332979e162ba
SHA2561441464feeef365573af18802c464769b7d3107624fde24604f57e386f97f1a7
SHA512c0c27189989db482be9bda5b6b8b1441bdc5e9b0f3a414ccab4c4be516e7f99e25717845361a5b196114502faaaf21bec7aca91b497acd2e2396f49c31850880
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C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0o0dCKoLYE.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0o0dCKoLYE.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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\Program Files (x86)\PrintFolders\PrintFolders.exeFilesize
1.4MB
MD5fadc477e13448e6398325a4f952e138f
SHA12796925cd06263db618c0c1f3f5bec3f58421fac
SHA256483b4f4cb957aff0012696e5c35c4d2e2e7847483c6a0253b0080467fd8a37fa
SHA512bef434bbc25fd2c6af5cadecb2930b014affdf37fb98eadaab3cff37c944ad91c4f8c4129fc6629f292c2b27a7fc6581918c87f2bc0afbda1de58d771e88eee3
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\Program Files (x86)\PrintFolders\PrintFolders.exeFilesize
1.4MB
MD5fadc477e13448e6398325a4f952e138f
SHA12796925cd06263db618c0c1f3f5bec3f58421fac
SHA256483b4f4cb957aff0012696e5c35c4d2e2e7847483c6a0253b0080467fd8a37fa
SHA512bef434bbc25fd2c6af5cadecb2930b014affdf37fb98eadaab3cff37c944ad91c4f8c4129fc6629f292c2b27a7fc6581918c87f2bc0afbda1de58d771e88eee3
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\Program Files (x86)\PrintFolders\PrintFolders.exeFilesize
1.4MB
MD5fadc477e13448e6398325a4f952e138f
SHA12796925cd06263db618c0c1f3f5bec3f58421fac
SHA256483b4f4cb957aff0012696e5c35c4d2e2e7847483c6a0253b0080467fd8a37fa
SHA512bef434bbc25fd2c6af5cadecb2930b014affdf37fb98eadaab3cff37c944ad91c4f8c4129fc6629f292c2b27a7fc6581918c87f2bc0afbda1de58d771e88eee3
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\Users\Admin\AppData\Local\Temp\is-0A9MU.tmp\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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\Users\Admin\AppData\Local\Temp\is-0A9MU.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-0A9MU.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-VL3J0.tmp\is-4FP6T.tmpFilesize
643KB
MD585b94e72c3f2d2b5464e2aaf3c9e242a
SHA1ce7ccae5f50a990d059d59292d4a332979e162ba
SHA2561441464feeef365573af18802c464769b7d3107624fde24604f57e386f97f1a7
SHA512c0c27189989db482be9bda5b6b8b1441bdc5e9b0f3a414ccab4c4be516e7f99e25717845361a5b196114502faaaf21bec7aca91b497acd2e2396f49c31850880
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\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0o0dCKoLYE.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0o0dCKoLYE.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Q0o0dCKoLYE.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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memory/332-79-0x00000000030F0000-0x0000000004063000-memory.dmpFilesize
15.4MB
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memory/332-59-0x0000000000000000-mapping.dmp
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memory/332-69-0x00000000030F0000-0x0000000004063000-memory.dmpFilesize
15.4MB
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memory/344-76-0x00000000017E0000-0x0000000002753000-memory.dmpFilesize
15.4MB
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memory/344-87-0x0000000000400000-0x0000000001373000-memory.dmpFilesize
15.4MB
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memory/344-67-0x0000000000000000-mapping.dmp
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memory/344-70-0x0000000000400000-0x0000000001373000-memory.dmpFilesize
15.4MB
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memory/344-77-0x0000000000400000-0x0000000001373000-memory.dmpFilesize
15.4MB
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memory/344-75-0x00000000017E0000-0x0000000002753000-memory.dmpFilesize
15.4MB
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memory/344-78-0x0000000000400000-0x0000000001373000-memory.dmpFilesize
15.4MB
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memory/344-95-0x0000000000400000-0x0000000001373000-memory.dmpFilesize
15.4MB
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memory/344-88-0x0000000010000000-0x000000001001B000-memory.dmpFilesize
108KB
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memory/432-96-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/432-54-0x0000000076931000-0x0000000076933000-memory.dmpFilesize
8KB
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memory/432-55-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/432-57-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/612-81-0x0000000000000000-mapping.dmp
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memory/1608-92-0x0000000000000000-mapping.dmp
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memory/1736-94-0x0000000000000000-mapping.dmp