General
-
Target
54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe
-
Size
669KB
-
Sample
220927-kta12aebap
-
MD5
3981aa980e34be2f97b9f29bd5e98bdd
-
SHA1
adb6470c8d918e772fbc590aa3850cd9e214f783
-
SHA256
54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186
-
SHA512
b147389eaf789647b74a924875b14ab813e322e2a1a8a5b8366fa1805bf1c71631f7cf4179475c4e9a2826f7038c0d96793f7daa545808eb4d20b1c23ab18685
-
SSDEEP
12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DXKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWCKrKe
Score
10/10
Malware Config
Extracted
Path
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-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;
}
.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;">5DE453A15768F13461B28383F8594430EA76F2A6DA4B1C38DEE7D21345B5DDF40AE72AB62683F490AF9BE290973AD07D9D0FD4812A516FA929F82708C24B8125<br>89DC366E45314DC2D481A99279E7B2A74FE63F0ED782017A22CFF9CF351F3126E361259BA9FF3948D7D35A2D19741BC3015BD6A37F62A025239039305299<br>4063108869F387484AF11B43192D66CC474DF6B788541444E3CA7C884560288745F32551B67C9A55E8E7B2B3F8EBA471B2E6A5AF1D8D2F44F37CFCA7D279<br>2A177E1A0501EDB0E84CF487781AD0886ED51E4E65F7E1F91960C2D34A8368D01865C91CF0AD290790CF323B355D03464CCE73557F563CDF8D589A7297BB<br>D8D0AE96AA39D5694300BA75443BC9DBE73B0A95B1EF6531660175A434B1558DFCF8BF07C0261019B5289CC2469640DCE581CAC992ECEF7AC496B4E340D4<br>077153729AF62793C6FFFA7C7379B6EBE7231138237F65FED5285046F9DABFAC8E9C5C1C12CB7B5E3140113ED1A03C3A78D771085BE1B109248F95F5D14E<br>98802A1F2BEB22EB4134C6D16E7F44D9D4AA805856367E3006D742A63B749369B390BC440732F7C044FBB2B0BF4002BCE1891A2DCC4D1B85B12CA0C826C4<br>AED21D3315E2B3F3FBBBE1EC4DD674656775304AFAABE4E7D51372FCBF6158228F933248E786139C161DDEC06597652522E94E07A9B89101964EC5B20CE8<br>BD0FA74962F25C464D9F937F2D39</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>.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>.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
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;
}
.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;">506727197BEAD30585236367DD73E88DAFBF3120D0D53235D2652AD0E83239A2D3D902A162EF51C3A38EF361C49E95D9A7F1DB41E69A5959B4BE8C86DD3060AB<br>4BC4C53121B3E0627B0F05B2D2F4CFBC7D7D0AAF9A513A6136D7E69387DFEC910FCADC8EBAF28B359D9E4F2BB29C60AF12CEB107DE42A64F9DDA82BDAC82<br>3504D331E724182F194D91A8B8DD879C5460795216C198C2D062444BF265083DD743C918DDF1AD9865E6673A40C2C992FD3CE4D4852D75E31DFAB3661AFF<br>56247EA61227978D006D56294329E68894DDFF8C36E522DBA4573C3D9D9CAE9F8FC60A7907453BD944AFDA9A5E3A3AFF53109E2B4A6B1F1EC1B3B53CBA8B<br>A60D337716437B65AA929E61EDD6BDB6922F34619BC2E7377907121D9883838907113D66C1F5BD530091499A573F0715BEDC28E0D95FAED474667FDE5960<br>97C325CD57C778A9BC3741863CA042D3FD45FBB237683FAA8911704CD61E9EDFE95FAFBD26C5B02871C39DC92A0A0842DC59D8533DEAA4953EB2875E583F<br>60E10EFD1ED80FDFF8A5C9C3B686C9C2286ED5A1B0E8A59B4AD731394E060742E335448D6943FB8CC2B4E24B45649507C2380137B61ACC7B4CC29B8769A3<br>BD99A049741CD9E0A8D882ECD64A1809A244762332D5C025567D8563AA62CB62BB49F512AEE32F2D2E63E437BA2DC1625A4731BB5F853AA5CA67CDDC5F1F<br>3FE1C8169FE5FF3443720622F826</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>.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>.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
Targets
-
-
Target
54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186.exe
-
Size
669KB
-
MD5
3981aa980e34be2f97b9f29bd5e98bdd
-
SHA1
adb6470c8d918e772fbc590aa3850cd9e214f783
-
SHA256
54b8ca90cd5c6b8053a612d2e8d99bf05f427b36e7fccc0f63427e1f386db186
-
SHA512
b147389eaf789647b74a924875b14ab813e322e2a1a8a5b8366fa1805bf1c71631f7cf4179475c4e9a2826f7038c0d96793f7daa545808eb4d20b1c23ab18685
-
SSDEEP
12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DXKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWCKrKe
Score10/10-
MedusaLocker
Ransomware with several variants first seen in September 2019.
-
MedusaLocker payload
-
UAC bypass
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Executes dropped EXE
-
Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
-
Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks whether UAC is enabled
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-