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220109-rl99gsdee2 10Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
09-01-2022 14:18
General
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Target
00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99.bin.exe
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Size
66KB
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MD5
2c26b319e378755596f0ac6d293798c8
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SHA1
280a4cfcf5dd87898c3731b680efe061bdb7a9fe
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SHA256
00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99
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SHA512
0c2b53a3fed1dbbae64e7f1e7c17a89b5dc607ba40caecd5496e18ffd84cdad844e926742d9fc82a715d6e8b01a1c483d97d54f5be1f2d6997107946f2a3fe4b
Score
10/10
Malware Config
Extracted
Path
\??\c:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\RecoveryManual.html
Ransom Note
<html>
<head>
<title>RECOVERY MANUAL</title>
</head>
<body>
<h1>Your ClientId:</h1>
<b>
<pre>
acc47d8e8c2a4ba5c4c325fca35d0ae43795710dddb764d8eb0e40e1d5779858
</pre>
</b>
<hr/>
If you are here, you want to know what happened.<br><br>
We infiltrated your network, controlled it for a while, examined your data, downloaded sensitive information and finally encrypted your computers.<br>
Your files are safe, but encrypted. Any attempt to decrypt files with third-party software will permanently corrupt content.<br><br>
<b>What now?</b><br><br>
We advise you to be in touch and start negotiations, otherwise your confidential data will be published on few our news sites and promoted in all possible ways.<br>
Data publication and even the fact of this leak for sure will lead to significant losses for your company:
<ul>
<li>government fines
<li>lawsuits and as a result legal claims payments
<li>additional expenses on law services
<li>data recovery
</ul>
Also you shouldn't underestimate huge damage for your reputation, which can cause crash of equity prices, clients withdrawal and other negative consequences.<br><br>
<b>But don't panic! We are doing business, not war.</b><br><br>
We can unlock your data and keep everything in secret. All, what we want is a ransom.<br><br>
If we can reach an agreement, you also get:
<ul>
<li>security report
<li>full file tree of compromised data
<li>downloaded data unrecoverable deletion
<li>support with unlocking and network protection advice.
</ul>
<b>How can you contact us?</b><br>
Visit our support chat. It is simple, secure and you can set a password to avoid intervention of unauthorised persons.<br>
<a href="http://evl425tkt4hkwryyplvqu6bn6slfow3fa4xwgvwe5t4zf6gizs3ewuyd.onion/?cid=acc47d8e8c2a4ba5c4c325fca35d0ae43795710dddb764d8eb0e40e1d5779858">http://evl425tkt4hkwryyplvqu6bn6slfow3fa4xwgvwe5t4zf6gizs3ewuyd.onion/?cid=acc47d8e8c2a4ba5c4c325fca35d0ae43795710dddb764d8eb0e40e1d5779858</a>
<ul>
<li>Password field should be blank for the first login.
<li>Note that this server is available via Tor browser only.
</ul>
Follow the instructions to open the link:
<ol>
<li>Type the addres "https://www.torproject.org" in your Internet browser. It opens the Tor Project website.
<li>Press "Download Tor", then press "Download Tor Browser Bundle", install and run it.
<li>Now you have Tor browser. In the Tor Browser open "http://evl425tkt4hkwryyplvqu6bn6slfow3fa4xwgvwe5t4zf6gizs3ewuyd.onion/?cid=acc47d8e8c2a4ba5c4c325fca35d0ae43795710dddb764d8eb0e40e1d5779858".
<li>Start a chat and introduce yourself (Company name and your position).
</ol>
Password field should be blank for the first login. You can ask an operator to set password later.
</body>
</html>
Signatures
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MountLocker Ransomware
Ransomware family first seen in late 2020, which threatens to leak files if ransom is not paid.
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Modifies extensions of user files 10 IoCs
Ransomware generally changes the extension on encrypted files.
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Deletes itself 1 IoCs
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Drops desktop.ini file(s) 32 IoCs
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Drops file in Program Files directory 3 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
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Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99.bin.exe"C:\Users\Admin\AppData\Local\Temp\00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99.bin.exe"1⤵
- Modifies extensions of user files
- 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:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\\0F762829.bat" "C:\Users\Admin\AppData\Local\Temp\00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99.bin.exe""2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\attrib.exeattrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99.bin.exe"3⤵
- Views/modifies file attributes
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
348cae913e496198548854f5ff2f6d1e
SHA1a07655b9020205bd47084afd62a8bb22b48c0cdc
SHA256c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506
SHA512799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611
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