Analysis
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max time kernel
150s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
-
submitted
07-09-2023 06:31
General
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Target
cb0f99306d05042b8b3db064ac3489b9.exe
-
Size
628KB
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MD5
cb0f99306d05042b8b3db064ac3489b9
-
SHA1
1a5e8b4435f97dfd09b764c82dba35868e792803
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SHA256
71bd706cc0ace3774449282a9c1de5403f8f43dad118b9fbf4fc45cf4894f8e9
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SHA512
fd69834d9da70fda36478de8106f288b7c7be48029a8ccc1fbc6ae8a7b4c3d47e189f262c525abad7a87ba1ed784adb57ae20794e6445af7c4d16185f5cafd41
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SSDEEP
12288:nOifrg3Pq0mw2Jgc75Tn9hTMK6OHjuy+X4SsDca7nF7Z30G:A3sw2JjyK6zy+Xv8nF7ZEG
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>cartilage</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: #C6B5C4;
}
img {
display:inline-block;
}
.bold {
font-weight: bold;
}
.mark {
background: #B5CC8E;
padding: 2px 5px;
}
.header {
text-align: center;
font-size: 30px;
line-height: 50px;
font-weight: bold;
margin-bottom:20px;
}
.info {
background: #e6ecf2;
border-left: 10px solid #B58CB2;
}
.alert {
background: #FFE4E4;
border-left: 10px solid #FFA07A;
}
.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.</div>
<div class='bold'>If you want to restore them, write us to the e-mail <span class='mark'>[email protected]</span></div>
<div class='bold'>Or write us to the Tox: <span class='mark'>78E21CFF7AA85F713C1530AEF2E74E62830BEE77238F4B0A73E5E3251EAD56427BF9F7A1A074</span></div>
<div class='bold'>Write this ID in the title of your message <span class='mark'>3B2478EB-3483</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 3 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'>[email protected]</span></div>
URLs
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
Path
C:\users\public\desktop\info.hta
Ransom Note
All your files have been encrypted!
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 [email protected]
Or write us to the Tox: 78E21CFF7AA85F713C1530AEF2E74E62830BEE77238F4B0A73E5E3251EAD56427BF9F7A1A074
Write this ID in the title of your message 3B2478EB-3483
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.
Free decryption as guarantee
Before paying you can send us up to 3 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.)
How to obtain Bitcoins
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. https://localbitcoins.com/buy_bitcoins
Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/
Attention!
Do not rename encrypted files.
Do not try to decrypt your data using third party software, it may cause permanent data loss.
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.
Emails
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 (312) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Deletes backup catalog 3 TTPs 2 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Modifies Windows Firewall 1 TTPs 2 IoCs
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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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Suspicious use of SetThreadContext 2 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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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Modifies Internet Explorer settings 1 TTPs 4 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 64 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\cb0f99306d05042b8b3db064ac3489b9.exe"C:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exeC:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exe2⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exe"C:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exeC:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exe4⤵
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C:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exeC:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exe4⤵
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C:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exeC:\Users\Admin\AppData\Local\Temp\cb0f99306d05042b8b3db064ac3489b9.exe4⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off4⤵
- Modifies Windows Firewall
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable4⤵
- Modifies Windows Firewall
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"3⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"3⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"3⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta"3⤵
- Modifies Internet Explorer settings
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- 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⤵
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
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPsWW.cab.id[3B2478EB-3483].[[email protected]].8baseFilesize
143.1MB
MD548c674825b7307b4e53a6bb4367e4cd2
SHA13cbcf2d046036273fcb27a7953fdc98cc6556157
SHA2564f96f3c9cdcca930e7c554543d8488e233e897255b7bb3aaf23e0b829e1d55fb
SHA512eb2357589817215cf6de0e1c2d414e7c5db7a5347e3410f2462abe2d8df31f91050daed0024206cbd6acf04f9455f552baa00ae1bd0438ba96c36020ffe5ee89
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C:\Users\Admin\Desktop\info.htaFilesize
5KB
MD59e6a4e8d3bd9132129b99f27045da11f
SHA1ef174002b17584af227e38d29ed3d4c175572703
SHA2567ba24f6660e429ad6baeb1bc439f687c2fdefc9999af48b384cc5eebf77bb556
SHA5122028e79684e6e07654e7ecba54536acce500ab903d4ece1ae535fbdd7f059bc0e8171faa77da1a9641e6baec6eb5f8a0a4a8e85fb0ea543ae6ece3d27a18bb7b
-
C:\info.htaFilesize
5KB
MD59e6a4e8d3bd9132129b99f27045da11f
SHA1ef174002b17584af227e38d29ed3d4c175572703
SHA2567ba24f6660e429ad6baeb1bc439f687c2fdefc9999af48b384cc5eebf77bb556
SHA5122028e79684e6e07654e7ecba54536acce500ab903d4ece1ae535fbdd7f059bc0e8171faa77da1a9641e6baec6eb5f8a0a4a8e85fb0ea543ae6ece3d27a18bb7b
-
C:\info.htaFilesize
5KB
MD59e6a4e8d3bd9132129b99f27045da11f
SHA1ef174002b17584af227e38d29ed3d4c175572703
SHA2567ba24f6660e429ad6baeb1bc439f687c2fdefc9999af48b384cc5eebf77bb556
SHA5122028e79684e6e07654e7ecba54536acce500ab903d4ece1ae535fbdd7f059bc0e8171faa77da1a9641e6baec6eb5f8a0a4a8e85fb0ea543ae6ece3d27a18bb7b
-
C:\users\public\desktop\info.htaFilesize
5KB
MD59e6a4e8d3bd9132129b99f27045da11f
SHA1ef174002b17584af227e38d29ed3d4c175572703
SHA2567ba24f6660e429ad6baeb1bc439f687c2fdefc9999af48b384cc5eebf77bb556
SHA5122028e79684e6e07654e7ecba54536acce500ab903d4ece1ae535fbdd7f059bc0e8171faa77da1a9641e6baec6eb5f8a0a4a8e85fb0ea543ae6ece3d27a18bb7b
-
F:\info.htaFilesize
5KB
MD59e6a4e8d3bd9132129b99f27045da11f
SHA1ef174002b17584af227e38d29ed3d4c175572703
SHA2567ba24f6660e429ad6baeb1bc439f687c2fdefc9999af48b384cc5eebf77bb556
SHA5122028e79684e6e07654e7ecba54536acce500ab903d4ece1ae535fbdd7f059bc0e8171faa77da1a9641e6baec6eb5f8a0a4a8e85fb0ea543ae6ece3d27a18bb7b
-
memory/1704-4-0x00000000003E0000-0x0000000000414000-memory.dmpFilesize
208KB
-
memory/1704-5-0x00000000007E0000-0x000000000082C000-memory.dmpFilesize
304KB
-
memory/1704-3-0x00000000048F0000-0x0000000004930000-memory.dmpFilesize
256KB
-
memory/1704-2-0x00000000002A0000-0x00000000002E6000-memory.dmpFilesize
280KB
-
memory/1704-1-0x0000000074DC0000-0x00000000754AE000-memory.dmpFilesize
6.9MB
-
memory/1704-0-0x00000000001C0000-0x0000000000264000-memory.dmpFilesize
656KB
-
memory/1704-22-0x0000000074DC0000-0x00000000754AE000-memory.dmpFilesize
6.9MB
-
memory/2328-25-0x00000000001C0000-0x0000000000264000-memory.dmpFilesize
656KB
-
memory/2328-40-0x0000000074D00000-0x00000000753EE000-memory.dmpFilesize
6.9MB
-
memory/2328-27-0x0000000004830000-0x0000000004870000-memory.dmpFilesize
256KB
-
memory/2328-26-0x0000000074D00000-0x00000000753EE000-memory.dmpFilesize
6.9MB
-
memory/2440-70-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
-
memory/2440-23-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-6-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-20-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-8-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-52-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-54-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-55-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-56-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-57-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-60-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-67-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-24-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-79-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-81-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-76-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-75-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-89-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-16-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-221-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-14-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-12-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2440-10-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2712-42-0x0000000000401000-0x000000000040A000-memory.dmpFilesize
36KB
-
memory/2712-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB