Analysis
-
max time kernel
129s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
-
submitted
26-01-2023 05:33
General
-
Target
26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe
-
Size
669KB
-
MD5
646698572afbbf24f50ec5681feb2db7
-
SHA1
70530bc23bad38e6aee66cbb2c2f58a96a18fb79
-
SHA256
26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0
-
SHA512
89bad552a3c0d8b28550957872561d03bf239d2708d616f21cbf22e58ae749542b07eee00fedac6fdb83c5969f50ea0f56fc103264a164671a94e156f73f160a
-
SSDEEP
12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8D4KD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWdKrKe
Score
10/10
Malware Config
Extracted
Path
C:\how_to_back_files.html
Ransom Note
<html>
<style type="text/css">
body {
background-color: #f5f5f5;
}
h1, h3{
text-align: center;
text-transform: uppercase;
font-weight: normal;
}
/*---*/
.tabs1{
display: block;
margin: auto;
}
.tabs1 .head{
text-align: center;
float: top;
padding: 0px;
text-transform: uppercase;
font-weight: normal;
display: block;
background: #81bef7;
color: #DF0101;
font-size: 30px;
}
.tabs1 .identi {
font-size: 10px;
text-align: center;
float: top;
padding: 15px;
display: block;
background: #81bef7;
color: #DFDFDF;
word-break: break-all;
}
.tabs .content {
background: #f5f5f5;
/*text-align: center;*/
color: #000000;
padding: 25px 15px;
font-size: 15px;
font-weight: 400;
line-height: 20px; }
.tabs .content a {
color: #df0130;
font-size: 23px;
font-style: italic;
text-decoration: none;
line-height: 35px; }
.tabs .content .text{
padding: 25px;
line-height: 1.2;
}
</style>
<body>
<div class="tabs1">
<div class="head" ><b>Your personal ID:</b></div>
<div class="identi">
<span style="width:1000px; color: #ffffff; font-size: 10px;">060F5A73BC1913E592E2EB7A299E6E79C425CD1C169AB0BBC6604760607FA3A50C6839F85A9E353C382A82D42CB7788E73063517DBDF2151AF29A001923DD194<br>C3804046E18FE5B67F56E08EA9DE7462D14FF7C883858F7455F103377F8C2ED44021C16517BC19A9FB2E44F865CEB3762B4A87669A3B7F0EDFC23E2B1919<br>6E0D613B5970CBD5E71E9E1F1E5210D6F8F4AA2401D3E7602BC6D81F60859DFD3EF926000C0986E5AD31E84E71C788C6066783A8EABEE5C10B479C7264F9<br>31A36A5EC46603C0E41F9467CCB8495C3729CA152923197035118F146D42780426BD9792547B9DDD3F50D08724CC9E886DC918A88FFE379C2033C89F6695<br>D77BCAD9E777B9D67A99CCA34BA41749BD76E45AFB3B233C9AEEBA146277113D6C309EC2CD03B0A153EA70276EB013982050D0BA0E10858C99D90E518148<br>48CC2573E54F7D73C465745C2C4C562D9ABA91606868F2471F034959F6268BFCB86C797FDCE28DAC45AC77F4C597087C107E3A71247FBDA60BC6D3CF4C8D<br>1150D2B9AB505FEBCD9954126AA0DFC927CF1BF1C4B8B0BB5ED349644E8CDE6BB5725211AB59A653C7A6CC1169C0BDA5D966E1A7B7C9E2263D863219A783<br>80C59E3F60F629B9081B375C446401B6886A6C94BB692847A457BB60E5CCF310BD42CC881476A6D5E07CAA6F7F669CDBE488AE95796D76593F332746FE06<br>A20913A7B884CAE6CFCB49A3CE77</span> <br>
<!-- !!! dont changing this !!! -->
</div>
</div>
<!-- -->
<div class="tabs">
<!--tab-->
<div class="tab">
<div id="tab-content1" class="content">
<div class="text">
<!--text data -->
<b>/!\ YOUR COMPANY NETWORK HAS BEEN PENETRATED /!\</b><br>
<b>All your important files have been encrypted!</b><br><br>
<hr>
Your files are safe! Only modified. (RSA+AES)<br><br>
ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE<br>
WILL PERMANENTLY CORRUPT IT.<br>
DO NOT MODIFY ENCRYPTED FILES.<br>
DO NOT RENAME ENCRYPTED FILES.<br><br>
No software available on internet can help you. We are the only ones able to<br>
solve your problem.<br><br>
We gathered highly confidential/personal data. These data are currently stored on<br>
a private server. This server will be immediately destroyed after your payment.<br>
If you decide to not pay, we will release your data to public or re-seller.<br>
So you can expect your data to be publicly available in the near future..<br><br>
We only seek money and our goal is not to damage your reputation or prevent<br>
your business from running.<br><br>
You will can send us 2-3 non-important files and we will decrypt it for free<br>
to prove we are able to give your files back.<br><br>
<!--text data -->
<hr>
<b>Contact us for price and get decryption software.</b><br><br>
<a>qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion</a><br>
* Note that this server is available via Tor browser only<br><br>
Follow the instructions to open the link:<br>
1. Type the addres "https://www.torproject.org" in your Internet browser. It opens the Tor site.<br>
2. Press "Download Tor", then press "Download Tor Browser Bundle", install and run it.<br>
3. Now you have Tor browser. In the Tor Browser open <a>qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion<br>
</a>
4. Start a chat and follow the further instructions. <br>
<hr>
<b>If you can not use the above link, use the email:</b><br>
<a href="[email protected] ">[email protected] </a> <br>
<a href="[email protected] ">[email protected] </a> <br>
<p>* To contact us, create a new free email account on the site: <a href="https://protonmail.com">protonmail.com <br>
<b>
IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.</b><br>
</div>
</div>
</div>
<!--tab-->
<!--text data -->
</div>
</div>
<!--tab-->
</div>
</div>
</body>
</html>
Emails
Signatures
-
MedusaLocker
Ransomware with several variants first seen in September 2019.
-
MedusaLocker payload 2 IoCs
-
UAC bypass 3 TTPs 2 IoCs
-
Executes dropped EXE 1 IoCs
-
Modifies extensions of user files 5 IoCs
Ransomware generally changes the extension on encrypted files.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks whether UAC is enabled 1 TTPs 1 IoCs
-
Drops desktop.ini file(s) 1 IoCs
-
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
-
Suspicious use of AdjustPrivilegeToken 63 IoCs
-
Suspicious use of WriteProcessMemory 9 IoCs
-
System policy modification 1 TTPs 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe"C:\Users\Admin\AppData\Local\Temp\26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe"1⤵
- UAC bypass
- Modifies extensions of user files
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
669KB
MD5646698572afbbf24f50ec5681feb2db7
SHA170530bc23bad38e6aee66cbb2c2f58a96a18fb79
SHA25626af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0
SHA51289bad552a3c0d8b28550957872561d03bf239d2708d616f21cbf22e58ae749542b07eee00fedac6fdb83c5969f50ea0f56fc103264a164671a94e156f73f160a
-
Filesize
669KB
MD5646698572afbbf24f50ec5681feb2db7
SHA170530bc23bad38e6aee66cbb2c2f58a96a18fb79
SHA25626af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0
SHA51289bad552a3c0d8b28550957872561d03bf239d2708d616f21cbf22e58ae749542b07eee00fedac6fdb83c5969f50ea0f56fc103264a164671a94e156f73f160a
-
-
-