Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
-
submitted
19-02-2024 10:33
General
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Target
bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe
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Size
629KB
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MD5
8d43df6614a9f5a25e0c2fc3358623a9
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SHA1
a0e1da71ca2eedad16782d8fa895ba0545307b9a
-
SHA256
bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f
-
SHA512
51060e121416bc91219fb11e0c2aad33b6e10531bc55fd333b9c4810050bff072fd146dc935029cae568bde53a4a38a9eb5eb0b3d47409e1043c5664b6daa030
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SSDEEP
12288:P4w3Gugeukge5Mv0A4bYut9JFhMP9ctfNjZIU4m8ULUgLC1m4D6UrPg1hB6+kbT2:3rIYYut9JFhMP9ctfNjZIU4m8ULUgLC5
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'>BC5ED131-3483</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'>
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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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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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 62 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\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe"C:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.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\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exeC:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe2⤵
- 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\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe"C:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.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\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exeC:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.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\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\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\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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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}3⤵
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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}3⤵
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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}3⤵
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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\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)
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\AppvIsvSubsystems64.dll.id[BC5ED131-3483].[[email protected]].8baseFilesize
3.2MB
MD52e75fa8cb17005d2b92243896d641c66
SHA1f6a6fd254b6feb56ce46bf65f94e15f719fd0da6
SHA2563819d3407ac6a116762550156bf2943fa6222ffde56bc39caca317bf5777c744
SHA5125e9c69df1964a814e18da18d4398d97bcc7007d8ccf08ce3ca40c2e2500af088e6394b9775f6c5a2c2d55cf97f17cf5e18e24d9d5e751b40ab5cdcd95fae4552
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe.logFilesize
927B
MD54a911455784f74e368a4c2c7876d76f4
SHA1a1700a0849ffb4f26671eb76da2489946b821c34
SHA256264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
SHA5124617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d
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C:\info.htaFilesize
5KB
MD5229942a7a97492ab699e1fe6f305f3ac
SHA1ffa9b22350691c501ae116026027f04b182eeb04
SHA25613ff43bef5c3f401f316e240ad435ec696b55ee0654e53cd392609dcb8580c35
SHA5122a0c38c734e19c1d91f9898e275f2d5b1283dd1f76f65ea15fd53f7d24f4a461ef6779306f572a28f537a5bf3ac70bb0e05e0a52b6c573b54e615b39c7a1d2f2
-
memory/512-247-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-233-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-253-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-9547-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-7-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-10-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-2281-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-12-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-1471-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-1444-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-1462-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-416-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-453-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-30-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-32-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-34-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-232-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-36-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-53-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-131-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-180-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-178-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-254-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-12073-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-37-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-332-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-334-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-368-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-367-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-366-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-270-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-269-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-268-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/512-38-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/1300-4-0x00000000055D0000-0x0000000005604000-memory.dmpFilesize
208KB
-
memory/1300-2-0x0000000005470000-0x00000000054B6000-memory.dmpFilesize
280KB
-
memory/1300-0-0x0000000000940000-0x00000000009E4000-memory.dmpFilesize
656KB
-
memory/1300-3-0x0000000005460000-0x0000000005470000-memory.dmpFilesize
64KB
-
memory/1300-11-0x0000000074DD0000-0x0000000075580000-memory.dmpFilesize
7.7MB
-
memory/1300-6-0x0000000005C60000-0x0000000006204000-memory.dmpFilesize
5.6MB
-
memory/1300-5-0x0000000005610000-0x000000000565C000-memory.dmpFilesize
304KB
-
memory/1300-1-0x0000000074DD0000-0x0000000075580000-memory.dmpFilesize
7.7MB
-
memory/1416-18-0x0000000074E70000-0x0000000075620000-memory.dmpFilesize
7.7MB
-
memory/1416-15-0x0000000005140000-0x0000000005150000-memory.dmpFilesize
64KB
-
memory/1416-14-0x0000000074E70000-0x0000000075620000-memory.dmpFilesize
7.7MB
-
memory/3952-20-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB