Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 17:08
Static task
static1
Behavioral task
behavioral1
Sample
c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe
Resource
win10v2004-20240426-en
General
-
Target
c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe
-
Size
750KB
-
MD5
af7969ad9402eed625d7062c487c6f66
-
SHA1
eb7d2554b1a38da763b94177f6272a86c35b1d0d
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SHA256
c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8
-
SHA512
20e1cae871ab11bd0c23ba040a1d0b377d6785b006d8b5de6d7184a1fd0f8699b9993d1f0988a1175516a0545df3f245d119757032d055f0a1e6a80cc7728878
-
SSDEEP
12288:5zvxn6yWn7fcpVZlu/6uHl8XdpxC8wmkSgIYBo9u9xm5TdgWgegPgy/g52w8BLvm:Zxn698VVYl4PCVogIY0Qm9dg0gIyYsp6
Malware Config
Extracted
Protocol: smtp- Host:
mail.bonnyriggdentalsurgery.com.au - Port:
587 - Username:
[email protected] - Password:
Sages101*
Extracted
agenttesla
Protocol: smtp- Host:
mail.bonnyriggdentalsurgery.com.au - Port:
587 - Username:
[email protected] - Password:
Sages101* - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 528 powershell.exe 4640 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\avdfUcC = "C:\\Users\\Admin\\AppData\\Roaming\\avdfUcC\\avdfUcC.exe" c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 34 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exepowershell.exepowershell.exepid process 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 528 powershell.exe 4640 powershell.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 4640 powershell.exe 528 powershell.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe Token: SeDebugPrivilege 528 powershell.exe Token: SeDebugPrivilege 4640 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exedescription pid process target process PID 2668 wrote to memory of 528 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe powershell.exe PID 2668 wrote to memory of 528 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe powershell.exe PID 2668 wrote to memory of 528 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe powershell.exe PID 2668 wrote to memory of 4640 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe powershell.exe PID 2668 wrote to memory of 4640 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe powershell.exe PID 2668 wrote to memory of 4640 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe powershell.exe PID 2668 wrote to memory of 2880 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe schtasks.exe PID 2668 wrote to memory of 2880 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe schtasks.exe PID 2668 wrote to memory of 2880 2668 c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe"C:\Users\Admin\AppData\Local\Temp\c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WWDyYT.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WWDyYT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A62.tmp"2⤵
- Creates scheduled task(s)
PID:2880
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.logFilesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
18KB
MD5a0f7fcb8f6edabec25410df44552473e
SHA135859ece8180a392c29e2a152c6a204543c0dc55
SHA2567bc3d1b19423e5076e2e9d0a6a1dc629f73866556fdb8a67fca90842b779f6b8
SHA51291bbcdf4da0a6ee55bddcff10ed66b0cea0f81276d0f23d48730d04f95bc86819801dd4d2fcda523d0bbf1dc2af39c21384e9a5fd2015e1232acd196af2e9c92
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zys1qw10.cao.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmp6A62.tmpFilesize
1KB
MD5fcc6df220f7e85d1516e2df9267909ea
SHA191150313f58195b125b11d34e23b41195d685937
SHA256ddae5eba0ba7d0bfb86a2343bb347a9dd72ddc850d58901eec582fcfdb4b373c
SHA512e3698697da2661f4f2f76974fdc485f5f93baf7533f76386c7aacc9f3575ad33fb7345f0d1382a2c8b94d4c57867d7d6cacf8c7b0fc16c43172cb9807a0d71c5
-
memory/528-22-0x00000000060C0000-0x00000000060E2000-memory.dmpFilesize
136KB
-
memory/528-50-0x000000006F950000-0x000000006F99C000-memory.dmpFilesize
304KB
-
memory/528-48-0x0000000006950000-0x000000000699C000-memory.dmpFilesize
304KB
-
memory/528-47-0x0000000006740000-0x000000000675E000-memory.dmpFilesize
120KB
-
memory/528-87-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/528-80-0x0000000007E90000-0x0000000007E98000-memory.dmpFilesize
32KB
-
memory/528-79-0x0000000007EB0000-0x0000000007ECA000-memory.dmpFilesize
104KB
-
memory/528-15-0x0000000002F40000-0x0000000002F76000-memory.dmpFilesize
216KB
-
memory/528-16-0x0000000005960000-0x0000000005F88000-memory.dmpFilesize
6.2MB
-
memory/528-17-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/528-18-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/528-78-0x0000000007DB0000-0x0000000007DC4000-memory.dmpFilesize
80KB
-
memory/528-74-0x0000000007BE0000-0x0000000007BEA000-memory.dmpFilesize
40KB
-
memory/528-23-0x0000000006160000-0x00000000061C6000-memory.dmpFilesize
408KB
-
memory/528-24-0x00000000061D0000-0x0000000006236000-memory.dmpFilesize
408KB
-
memory/528-31-0x0000000006240000-0x0000000006594000-memory.dmpFilesize
3.3MB
-
memory/528-73-0x0000000007B70000-0x0000000007B8A000-memory.dmpFilesize
104KB
-
memory/528-60-0x0000000007A10000-0x0000000007A2E000-memory.dmpFilesize
120KB
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memory/528-72-0x00000000081B0000-0x000000000882A000-memory.dmpFilesize
6.5MB
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memory/528-61-0x0000000007A40000-0x0000000007AE3000-memory.dmpFilesize
652KB
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memory/528-49-0x00000000079D0000-0x0000000007A02000-memory.dmpFilesize
200KB
-
memory/528-21-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
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memory/2668-89-0x0000000074B2E000-0x0000000074B2F000-memory.dmpFilesize
4KB
-
memory/2668-6-0x0000000005BC0000-0x0000000005BE2000-memory.dmpFilesize
136KB
-
memory/2668-90-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/2668-7-0x00000000059A0000-0x00000000059AC000-memory.dmpFilesize
48KB
-
memory/2668-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmpFilesize
4KB
-
memory/2668-3-0x00000000055E0000-0x0000000005672000-memory.dmpFilesize
584KB
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memory/2668-5-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/2668-9-0x0000000006C00000-0x0000000006C84000-memory.dmpFilesize
528KB
-
memory/2668-27-0x0000000006C80000-0x0000000006CC2000-memory.dmpFilesize
264KB
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memory/2668-4-0x00000000055C0000-0x00000000055CA000-memory.dmpFilesize
40KB
-
memory/2668-88-0x0000000008120000-0x0000000008170000-memory.dmpFilesize
320KB
-
memory/2668-8-0x0000000002FF0000-0x0000000003000000-memory.dmpFilesize
64KB
-
memory/2668-1-0x0000000000B00000-0x0000000000BC0000-memory.dmpFilesize
768KB
-
memory/2668-2-0x0000000005C90000-0x0000000006234000-memory.dmpFilesize
5.6MB
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memory/2668-10-0x000000000F7E0000-0x000000000F87C000-memory.dmpFilesize
624KB
-
memory/4640-62-0x000000006F950000-0x000000006F99C000-memory.dmpFilesize
304KB
-
memory/4640-19-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/4640-77-0x0000000007AC0000-0x0000000007ACE000-memory.dmpFilesize
56KB
-
memory/4640-86-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/4640-76-0x0000000007A90000-0x0000000007AA1000-memory.dmpFilesize
68KB
-
memory/4640-75-0x0000000007B10000-0x0000000007BA6000-memory.dmpFilesize
600KB
-
memory/4640-46-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/4640-36-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB