Analysis
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max time kernel
150s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
20-03-2024 12:04
General
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Target
acf2e97465dbecc6f361ee9b971a0747b1ce17aaee76d59bf4215114ee5778ff.exe
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Size
56KB
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MD5
f89ebf18eb7e3af3698680cd11070e31
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SHA1
21f61da9b4b23ebb6073d95bfb7ea9cb597e34d6
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SHA256
acf2e97465dbecc6f361ee9b971a0747b1ce17aaee76d59bf4215114ee5778ff
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SHA512
67307c06474461abddc604dcd217a70f69f4ee73fe128acdbce249b4fe0cc423f42cb11c437419a98d7558cacde4a5495a081be7be018ed24a6bf90525dc8122
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SSDEEP
1536:pNeRBl5PT/rx1mzwRMSTdLpJQr6TDx05uW7:pQRrmzwR5J86TFxW7
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>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'>[email protected]</span></div> <div class='bold'>Write this ID in the title of your message <span class='mark'>3DF64843-3451</span></div>
<div class='bold'>In case of no answer in 24 hours write us to this e-mail:<span class='mark'>[email protected]</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'>[email protected]</span></div>
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 (319) 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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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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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\acf2e97465dbecc6f361ee9b971a0747b1ce17aaee76d59bf4215114ee5778ff.exe"C:\Users\Admin\AppData\Local\Temp\acf2e97465dbecc6f361ee9b971a0747b1ce17aaee76d59bf4215114ee5778ff.exe"1⤵
- 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\acf2e97465dbecc6f361ee9b971a0747b1ce17aaee76d59bf4215114ee5778ff.exe"C:\Users\Admin\AppData\Local\Temp\acf2e97465dbecc6f361ee9b971a0747b1ce17aaee76d59bf4215114ee5778ff.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\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\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\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta"2⤵
- Modifies Internet Explorer settings
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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⤵
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
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.id[3DF64843-3451].[[email protected]].faustFilesize
7.4MB
MD5270cee72cfba1a21e8bb9866d7b99bec
SHA114959e5814d4677f3631d72c5da716cee9ccad5c
SHA25622dba1396cc7a628d451d08b3778ad51236c7f44cebb6466bce52c0260620d9c
SHA5125fa1769061742c0dd14529ee97ddaef6027fe011633b2ea302473cb6a8e6a932e615af609b3ea692e964a2a89e60ffd1b7cb5e38eebabc94fad234bc1eeb845e
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C:\Users\Public\Desktop\info.htaFilesize
5KB
MD5cec6c4841f6ec5539d807e2e49089afa
SHA19f568c0bb0055efb0628bb9db7dbbff8b6073518
SHA2564885da911c0c92517b44eee011fb0b4d57065b6140bccfdad849417bdb1d1a7b
SHA5124b74b14a717c159fc78b1c0f2fe90cf3efd5fd15e10fc588d3a3df2e2b19da366c73f80acb5efab6d932700c91656e336d075bce1ebd979786233b2e94654454