Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
-
submitted
26-10-2023 09:12
General
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Target
2519f369f426e4d2cdd88290d1c25d3c.exe
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Size
1.7MB
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MD5
2519f369f426e4d2cdd88290d1c25d3c
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SHA1
e464001902893ab6aea89b8ccfc66f9eb1d45988
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SHA256
91abe280381d0faf55b521f51d16d8aa022f0cc14b1310334d4fffc3474459d4
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SHA512
bedda8d51127c186946cdb3755f9bcc049a0efc308ed645de52d58cdffa8fad85778e4a77338f1c3d68bd2b725ff68e5829a4bba8879983f7380df350754d443
-
SSDEEP
24576:4E6seIAzWNS0LSaN9EBrx+dbsOCK/91/oc1EDnbLmVrkfvDUdhu3z7L/40NM+Sf2:tKpCSrEdbsOn/4sEDnB3z7E0CzzK
Score
10/10
Malware Config
Extracted
Path
C:\Users\Public\Desktop\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'>B0C0295E-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 B0C0295E-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 (313) 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 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\2519f369f426e4d2cdd88290d1c25d3c.exe"C:\Users\Admin\AppData\Local\Temp\2519f369f426e4d2cdd88290d1c25d3c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2519f369f426e4d2cdd88290d1c25d3c.exeC:\Users\Admin\AppData\Local\Temp\2519f369f426e4d2cdd88290d1c25d3c.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\2519f369f426e4d2cdd88290d1c25d3c.exe"C:\Users\Admin\AppData\Local\Temp\2519f369f426e4d2cdd88290d1c25d3c.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2519f369f426e4d2cdd88290d1c25d3c.exeC:\Users\Admin\AppData\Local\Temp\2519f369f426e4d2cdd88290d1c25d3c.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\Office64WW.msi.id[B0C0295E-3483].[[email protected]].8baseFilesize
3.6MB
MD564a99f8cb9a64d6f48ee03cbc84934a1
SHA1d0bb38f96b9efee331036d59c7ff81143fe58b9a
SHA256ba9f37bd3bebe65cebc7444d515db5ef0e235b92d02c7ad9e84dd1443e218ffd
SHA512595845945cfbcf812f75c1495b4e3c3ff87944da1c14630b71e97b9f6ffedec2aaba9df60445f70077196c3f46b82f5d815dea88c967016f28f3811cda6880dc
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C:\Users\Admin\Desktop\info.htaFilesize
5KB
MD52c0f0eba2c193f0071ff68996ca94cdd
SHA1d9ab9cd1525362243dfaaf34430aa19980faa47f
SHA2568c79a6b52be3461ff965240b9d80798b303e795a3747c9623a0a9e26773a1ab0
SHA5125eac4257eb68afdc3491bd158f45bc94653e60bfd3e9ea4440798e32d41508d1d4be4a9b1fb458e0ca8c90d905a7541b44eeaa55e9ec5138da4ed6784b500793
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C:\Users\Public\Desktop\info.htaFilesize
5KB
MD52c0f0eba2c193f0071ff68996ca94cdd
SHA1d9ab9cd1525362243dfaaf34430aa19980faa47f
SHA2568c79a6b52be3461ff965240b9d80798b303e795a3747c9623a0a9e26773a1ab0
SHA5125eac4257eb68afdc3491bd158f45bc94653e60bfd3e9ea4440798e32d41508d1d4be4a9b1fb458e0ca8c90d905a7541b44eeaa55e9ec5138da4ed6784b500793
-
C:\info.htaFilesize
5KB
MD52c0f0eba2c193f0071ff68996ca94cdd
SHA1d9ab9cd1525362243dfaaf34430aa19980faa47f
SHA2568c79a6b52be3461ff965240b9d80798b303e795a3747c9623a0a9e26773a1ab0
SHA5125eac4257eb68afdc3491bd158f45bc94653e60bfd3e9ea4440798e32d41508d1d4be4a9b1fb458e0ca8c90d905a7541b44eeaa55e9ec5138da4ed6784b500793
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C:\users\public\desktop\info.htaFilesize
5KB
MD52c0f0eba2c193f0071ff68996ca94cdd
SHA1d9ab9cd1525362243dfaaf34430aa19980faa47f
SHA2568c79a6b52be3461ff965240b9d80798b303e795a3747c9623a0a9e26773a1ab0
SHA5125eac4257eb68afdc3491bd158f45bc94653e60bfd3e9ea4440798e32d41508d1d4be4a9b1fb458e0ca8c90d905a7541b44eeaa55e9ec5138da4ed6784b500793
-
F:\info.htaFilesize
5KB
MD52c0f0eba2c193f0071ff68996ca94cdd
SHA1d9ab9cd1525362243dfaaf34430aa19980faa47f
SHA2568c79a6b52be3461ff965240b9d80798b303e795a3747c9623a0a9e26773a1ab0
SHA5125eac4257eb68afdc3491bd158f45bc94653e60bfd3e9ea4440798e32d41508d1d4be4a9b1fb458e0ca8c90d905a7541b44eeaa55e9ec5138da4ed6784b500793
-
memory/2448-58-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-71-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-8-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-10-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-12-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-14-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-16-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-18-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
-
memory/2448-22-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-318-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-25-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-26-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-74-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-57-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-56-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-55-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-54-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2448-52-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2516-24-0x0000000074B10000-0x00000000751FE000-memory.dmpFilesize
6.9MB
-
memory/2516-5-0x0000000000CD0000-0x0000000000D06000-memory.dmpFilesize
216KB
-
memory/2516-1-0x0000000074B10000-0x00000000751FE000-memory.dmpFilesize
6.9MB
-
memory/2516-2-0x0000000004AB0000-0x0000000004AF0000-memory.dmpFilesize
256KB
-
memory/2516-6-0x0000000000E60000-0x0000000000E94000-memory.dmpFilesize
208KB
-
memory/2516-0-0x0000000000F10000-0x00000000010D2000-memory.dmpFilesize
1.8MB
-
memory/2516-3-0x0000000004DD0000-0x0000000004EFC000-memory.dmpFilesize
1.2MB
-
memory/2516-4-0x0000000000E10000-0x0000000000E5E000-memory.dmpFilesize
312KB
-
memory/2516-7-0x00000000049C0000-0x0000000004A0C000-memory.dmpFilesize
304KB
-
memory/2696-28-0x0000000074A60000-0x000000007514E000-memory.dmpFilesize
6.9MB
-
memory/2696-27-0x0000000000F10000-0x00000000010D2000-memory.dmpFilesize
1.8MB
-
memory/2696-40-0x0000000074A60000-0x000000007514E000-memory.dmpFilesize
6.9MB
-
memory/2696-29-0x0000000000A90000-0x0000000000AD0000-memory.dmpFilesize
256KB
-
memory/2752-42-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/2752-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB