Resubmissions
16-03-2024 17:17
240316-vtswysfd2y 1016-03-2024 15:31
240316-syg9xafg39 1015-03-2024 08:15
240315-j5rmgsbg5z 10Analysis
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max time kernel
608s -
max time network
615s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
16-03-2024 17:17
General
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Target
7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1.exe
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Size
56KB
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MD5
e3d064afc3476b131db81cd483a5c87a
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SHA1
600fc81eddb1a44ae97e9565cab9d22363dd3711
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SHA256
7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1
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SHA512
76b9dd263f9daa1ae9abb01eb8ab78f4871d49c8a4474138fee45ce791faf760608fb7f2817aae4e031c81b1563167ba3cb0efce3d25c97ac9b1bf6e79a43874
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SSDEEP
1536:eNeRBl5PT/rx1mzwRMSTdLpJ1/4aE2i9hfVxOD+H:eQRrmzwR5JV/E2G5VYD+H
Score
10/10
Malware Config
Extracted
Path
C:\info.hta
Ransom Note
<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'>
<html>
<head>
<meta charset='windows-1251'>
<title>encrypted</title>
<HTA:APPLICATION
ICON='msiexec.exe'
SINGLEINSTANCE='yes'
SysMenu="no">
<script language='JScript'>
window.moveTo(50, 50);
window.resizeTo(screen.width - 100, screen.height - 100);
</script>
<style type='text/css'>
body {
font: 15px Tahoma, sans-serif;
margin: 10px;
line-height: 25px;
background: #EDEDED;
}
img {
display:inline-block;
}
.bold {
font-weight: bold;
}
.mark {
background: #D0D0E8;
padding: 2px 5px;
}
.header {
text-align: center;
font-size: 30px;
line-height: 50px;
font-weight: bold;
margin-bottom:20px;
}
.info {
background: #D0D0E8;
border-left: 10px solid #00008B;
}
.alert {
background: #FFE4E4;
border-left: 10px solid #FF0000;
}
.private {
border: 1px dashed #000;
background: #FFFFEF;
}
.note {
height: auto;
padding-bottom: 1px;
margin: 15px 0;
}
.note .title {
font-weight: bold;
text-indent: 10px;
height: 30px;
line-height: 30px;
padding-top: 10px;
}
.note .mark {
background: #A2A2B5;
}
.note ul {
margin-top: 0;
}
.note pre {
margin-left: 15px;
line-height: 13px;
font-size: 13px;
}
.footer {
position:fixed;
bottom:0;
right:0;
text-align: right;
}
</style>
</head>
<body>
<div class='header'>
<img src='data:image/png;base64,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'>
<div>All your files have been encrypted!</div>
</div>
<div class='bold'>All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail <span class='mark'>hensaxxx12@tutanota.com</span></div> <div class='bold'>Write this ID in the title of your message <span class='mark'>503ADD58-3435</span></div>
<div class='bold'>In case of no answer in 24 hours write us to this e-mail:<span class='mark'>hensa12@cock.li</span></div>
<div>
You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the tool that will decrypt all your files.
</div>
<div class='note info'>
<div class='title'>Free decryption as guarantee</div>
<ul>Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) </ul>
</div>
<div class='note info'>
<div class='title'>How to obtain Bitcoins</div>
<ul>
The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price.
<br><a href='https://localbitcoins.com/buy_bitcoins'>https://localbitcoins.com/buy_bitcoins</a>
<br> Also you can find other places to buy Bitcoins and beginners guide here:
<br><a href='http://www.coindesk.com/information/how-can-i-buy-bitcoins/'>http://www.coindesk.com/information/how-can-i-buy-bitcoins/</a>
</ul>
</div>
<div class='note alert'>
<div class='title'>Attention!</div>
<ul>
<li>Do not rename encrypted files.</li>
<li>Do not try to decrypt your data using third party software, it may cause permanent data loss.</li>
<li>Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.</li>
</ul>
</div>
</body>
</html>
Emails
class='mark'>hensaxxx12@tutanota.com</span></div>
class='mark'>hensa12@cock.li</span></div>
URLs
http://www.w3.org/TR/html4/strict.dtd'>
Signatures
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Phobos
Phobos ransomware appeared at the beginning of 2019.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
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Renames multiple (503) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes backup catalog 3 TTPs 2 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Modifies Windows Firewall 2 TTPs 2 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 3 IoCs
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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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Adds Run key to start application 2 TTPs 2 IoCs
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Drops desktop.ini file(s) 64 IoCs
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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Modifies registry class 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 42 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1.exe"C:\Users\Admin\AppData\Local\Temp\7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1.exe"C:\Users\Admin\AppData\Local\Temp\7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1.exe"2⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off3⤵
- Modifies Windows Firewall
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable3⤵
- Modifies Windows Firewall
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Indicator Removal
3File Deletion
3Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id[503ADD58-3435].[hensaxxx12@tutanota.com].faustFilesize
2.9MB
MD5bc8c48a547ea3e6fbb1719a71c72e3ae
SHA1b1fb3ebe8a3b06162b86cd7b973868ef9b7c3fa9
SHA2567800bd6c4f9ba72ca55775fad7fa17ba949be513fb66ebe0c5a17d77f644b141
SHA5125adf0c332de7631d51a39e448d3a8e8581e6ae605b403aa5ad369f93af67765cdd679479d49d0f8bfd6553315cabb86854390f864c524c7584b63122ed1fbdac
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C:\info.htaFilesize
5KB
MD5486fa8fdfe530b3877b461b1c57447f7
SHA111374c60baaa5f51e3314edd7d48252280922b9a
SHA256cf6d77455168351df0f9fb436f0e295356302809a627c26a5b94574198d31e86
SHA51221837b94803b51d43ca5779c651cd81a64ab50fed8b4200397b67c0dce2f556dcf507bf96e31ff4cad871407453e22e862449ffa0016e9ec73aa01552aa37b1c
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memory/4288-12061-0x0000019210980000-0x0000019210990000-memory.dmpFilesize
64KB
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memory/4288-12077-0x0000019210A80000-0x0000019210A90000-memory.dmpFilesize
64KB
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memory/4288-12096-0x0000019218CB0000-0x0000019218CB1000-memory.dmpFilesize
4KB
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memory/4288-12098-0x0000019218DF0000-0x0000019218DF1000-memory.dmpFilesize
4KB
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memory/4288-12100-0x0000019218DF0000-0x0000019218DF1000-memory.dmpFilesize
4KB
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memory/4288-12101-0x0000019218E00000-0x0000019218E01000-memory.dmpFilesize
4KB
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memory/4288-12102-0x0000019218E00000-0x0000019218E01000-memory.dmpFilesize
4KB
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memory/4288-12103-0x0000019218E00000-0x0000019218E01000-memory.dmpFilesize
4KB
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memory/4288-12104-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12105-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12106-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12107-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12108-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12109-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12110-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12111-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12112-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12113-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12114-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12115-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12116-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12117-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12118-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12119-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12120-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12121-0x0000019218E20000-0x0000019218E21000-memory.dmpFilesize
4KB
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memory/4288-12122-0x0000019218E30000-0x0000019218E31000-memory.dmpFilesize
4KB
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memory/4288-12123-0x0000019218E30000-0x0000019218E31000-memory.dmpFilesize
4KB
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memory/4288-12124-0x0000019218F40000-0x0000019218F41000-memory.dmpFilesize
4KB
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memory/4288-12125-0x0000019218E90000-0x0000019218E91000-memory.dmpFilesize
4KB
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memory/4288-12126-0x0000019218E90000-0x0000019218E91000-memory.dmpFilesize
4KB