Analysis
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max time kernel
155s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
07-07-2022 19:21
General
-
Target
446a85755a16fb242c67c7c24ae86b0cf85cd8620cc50f711385ecd371b510f9.exe
-
Size
424KB
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MD5
55c77c21b6e70c1c4d4e3df4b0152e40
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SHA1
e50611bae7fc6fc98841c15867c2cef45d3bf7c1
-
SHA256
446a85755a16fb242c67c7c24ae86b0cf85cd8620cc50f711385ecd371b510f9
-
SHA512
2083e4c600051d0500c3a999fdb0f337b3a90e440f8f791fd78e2e37d1a1a39adb7ac742e489ac853c1acc893754fbaaf233c7466ec92a29b0d2e4a034ab9c66
Score
10/10
Malware Config
Extracted
Path
C:\$Recycle.Bin\S-1-5-21-1081944012-3634099177-1681222835-1000\_RECoVERY_+wekds.txt
Family
teslacrypt
Ransom Note
NOT YOUR LANGUAGE? USE https://translate.google.com
What happened to your files ?
All of your files were protected by a strong encryption with RSA4096
More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem)
How did this happen ?
!!! Specially for your PC was generated personal RSA4096 KEY, both public and private.
!!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet.
!!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server
What do I do ?
So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way.
If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment.
For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below:
1. http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/638B0225BDD4E79
2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/638B0225BDD4E79
3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/638B0225BDD4E79
If for some reasons the addresses are not available, follow these steps:
1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en
2. After a successful installation, run the browser
3. Type in the address bar: xlowfznrg4wf7dli.onion/638B0225BDD4E79
4. Follow the instructions on the site.
---------------- IMPORTANT INFORMATION------------------------
*-*-* Your personal pages:
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/638B0225BDD4E79
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/638B0225BDD4E79
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/638B0225BDD4E79
*-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/638B0225BDD4E79
URLs
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/638B0225BDD4E79
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/638B0225BDD4E79
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/638B0225BDD4E79
http://xlowfznrg4wf7dli.ONION/638B0225BDD4E79
Extracted
Path
C:\$Recycle.Bin\S-1-5-21-1081944012-3634099177-1681222835-1000\_RECoVERY_+wekds.html
Ransom Note
<html>
<style>a { color:green; }.tb { background:white; border-style:solid; border-width:1px; padding:3px; border-color:lime; }
.ttl { font-size:13px; color:880000; }</style><body style="background:#33CCFF;"> <center>
<div style="text-align:left; font-family:Arial; <!---=0=0=0=0=0 --> font-size:13px; line-height:20px; margin-top:10px; width:800px; background:#F4F4F4; padding:20px; border-style:solid; border-width:5px; border-color:#BABABA;">
<b><font class="ttl"><center><b>NOT YOUR LANGUAGE? USE <a href="https://translate.google.com" target="_blank">Google Translate</a></b></center>
What<!------=0=0=0=0=0 --> happened <!------=0=0=0=0=0 --> to your<!------=0=0=0=0=0 --> files?</b></font><br> <font style="font-size:13px;">All <!------=0=0=0=0=0 -->of your files<!------=0=0=0=0=0 --> were
<!------=0=0=0=0=0 --> protected by a strong<!------=0=0=0=0=0 --> encr<!---=0=0=0=0=0 -->yption wi<!---=0=0=0=0=0 -->th <!------=0=0=0=0=0 -->RSA4096 <!------=0=0=0=0=0 -->
<br> More <!------=0=0=0=0=0 --> information about the <!------=0=0=0=0=0 -->encryption RSA4096 can be<!------=0=0=0=0=0 -->
fou<!---=0=0=0=0=0 -->nd <a href=http://en.wikipedia.org/wiki/RSA_(cryptosystem) target="_blank"> http://en.wikipedia.org/wiki/RSA_(cryptosystem) </a><br></font>
<br><b><font class="ttl">Wh<!--=0=0=0=0=0 -->at <!------=0=0=0=0=0 --> does th<!--=0=0=0=0=0 -->is mean?</b></font><br><font style="font-size:13px;">
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changed, you will not be able work
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<!------=0=0=0=0=0 --> wh<!--=0=0=0=0=0-->ich has b<!--=0=0=0=0=0-->een <!------=0=0=0=0=0 -->
trans<!--=0=0=0=0=0-->ferred to <!------=0=0=0=0=0 -->y<!--=0=0=0=0=0-->our co<!--=0=0=0=0=0-->mputer via <!------=0=0=0=0=0 -->the Inter<!--=0=0=0=0=0-->net.<!--=0=0=0=0=0--><br>
<!------=0=0=0=0=0 --> Decr<!--=0=0=0=0=0-->ypting of <!------=0=0=0=0=0 -->YO<!--=0=0=0=0=0-->UR FI<!--=0=0=0=0=0-->LES is
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<!--=0=0=0=0=0 -->wh<!--=0=0=0=0=0-->ich is on our <!--- -=0=0=0=0=0 -->Sec<!--=0=0=0=0=0-->ret <!--=0=0=0=0=0 -->Ser<!--=0=0=0=0=0-->ver!!!
</font><br><br><b><font class="ttl">Wh<!--=0=0=0=0=0-->at do I do?</b></font> <br><font style="font-size:13px;">Alas, if you <!--=0=0=0=0=0 --> do not take
<!---=0=0=0=0=0 --> the nece<!--=0=0=0=0=0-->ssary meas<!--=0=0=0=0=0-->ures
<!--=0=0=0=0=0-->for the spec<!--=0=0=0=0=0-->ified ti<!--=0=0=0=0=0-->me th<!--=0=0=0=0=0-->en t<!--=0=0=0=0=0-->he co<!--=0=0=0=0=0-->nditions fo<!--=0=0=0=0=0-->r obta<!--=0=0=0=0=0-->ining the priv<!--=0=0=0=0=0-->ate
ke<!--=0=0=0=0=0-->y w<!--=0=0=0=0=0-->ill be cha<!--=0=0=0=0=0-->nged<!--- =0=0=0=0=0 -->
<br>
<!-----=0=0=0=0=0 --> If you really need <!------=0=0=0=0=0 --> your data, <!------=0=0=0=0=0 -->then we suggest you <!------=0=0=0=0=0 --> do not waste<!------=0=0=0=0=0 --> valuable <!------=0=0=0=0=0 --> time searching <!------=0=0=0=0=0 -->for other <!------=0=0=0=0=0 --> solutions <!------=0=0=0=0=0 -->becausen
<!----=0=0=0=0=0 --> they do not exist.</font><br><br>
<!----=0=0=0=0=0 --><div class="tb" style="color:#880000; font-size:13px; border-width:3px;">For more specific instructions,
please<!------=0=0=0=0=0 --> visit your <!------=0=0=0=0=0 --> personal <!------=0=0=0=0=0 -->home page,<!------=0=0=0=0=0 --> there are<!------=0=0=0=0=0 --> a few <!------=0=0=0=0=0 -->different <!------=0=0=0=0=0 -->addresses<!------=0=0=0=0=0 --> pointing to <!------=0=0=0=0=0 --> your page<!------=0=0=0=0=0 --> below:<b><hr>
<!---9=9=9=9=9=9=9=9---> 1 - <a href=http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/638B0225BDD4E79 target="_blank">http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/638B0225BDD4E79</a> <br>
<!------9=9=9=9=9=9=9=9 --> 2 - <a href=http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/638B0225BDD4E79 target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/638B0225BDD4E79</a> <br>
<!------9=9=9=9=9=9=9=9 --> 3 - <a href=http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/638B0225BDD4E79 target="_blank">http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/638B0225BDD4E79</a> <br>
<!------9=9=9=9=9=9=9=9 --></div><br><div class="tb" style="font-size:13px; border-color:#880000;"><b>If for some reasons the
<!-----9=9=9=9=9=9=9=9 --> addresses are not available, <!------9=9=9=9=9=9=9=9 --> follow these steps:</b> <hr>
1 - <!------9=9=9=9=9=9=9=9 --> Download and <!------9=9=9=9=9=9=9=9 --> install tor-browser:
<a href=http://www.torproject.org/projects/torbrowser.html.en target="_blank">http://www.torproject.org/projects/torbrowser.html.en</a><br>
2 - <!---9=9=9=9=9=9=9=9 --> Af<!---9=9=9=9=9=9=9=9--->ter a<!---9=9=9=9=9=9=9=9---> succe<!---9=9=9=9=9=9=9=9--->ssful<!------9=9=9=9=9=9=9=9 --> instal<!---9=9=9=9=9=9=9=9--->lation, run the br<!---9=9=9=9=9=9=9=9--->owser and w<!---9=9=9=9=9=9=9=9--->ait for initi<!---9=9=9=9=9=9=9=9--->alization.<br>
3 - <!--- 9=9=9=9=9=9=9=9 --> Ty<!---9=9=9=9=9=9=9=9--->pe<!-- 9=9=9=9=9=9=9=9 --> in<!-- 9=9=9=9=9=9=9=9 --> the t<!---9=9=9=9=9=9=9=9--->or-bro<!---9=9=9=9=9=9=9=9--->wser<!-- 9=9=9=9=9=9=9=9 --> add<!---9=9=9=9=9=9=9=9--->ress<!-- 9=9=9=9=9=9=9=9 --> bar: <font style="font-weight:bold; color:#009977;"><!-- 9=9=9=9=9=9=9=9 -->xlowfznrg4wf7dli.onion/638B0225BDD4E79<!-- 9=9=9=9=9=9=9=9 --></font><!-- 9=9=9=9=9=9=9=9 --><br>
4 - <!--- 9=9=9=9=9=9=9=9 --> Fol<!---9=9=9=9=9=9=9=9--->low the instr<!---9=9=9=9=9=9=9=9--->uctions <!-- 9=9=9=9=9=9=9=9 --> on the site.</div><br><br><b>!!! IMPO<!---9=9=9=9=9=9=9=9--->RTANT INFO<!---9=9=9=9=9=9=9=9--->RMATION:</b><br>
<!-----9=9=9=9=9=9=9=9 --><div class="tb" style="width:790px;"><!-----9=9=9=9=9=9=9=9 --> Yo<!---9=9=9=9=9=9=9=9--->ur Pers<!---9=9=9=9=9=9=9=9--->onal PAGES<b>:
<br> <a href=http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/638B0225BDD4E79 target="_blank">http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/638B0225BDD4E79</a> <br><a href=http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/638B0225BDD4E79 target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/638B0225BDD4E79</a> <br>
<!-----9=9=9=9=9=9=9=9 --><a href=http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/638B0225BDD4E79 target="_blank">http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/638B0225BDD4E79</a> <br>
<!-----9=9=9=9=9=9=9=9 --> Your <!------9=9=9=9=9=9=9=9 --> Personal TOR-Browser<!-----9=9=9=9=9=9=9=9 --> page :
<!-----9=9=9=9=9=9=9=9 --><font style="font-weight:bold; color:#009977;"><!-- 9=9=9=9=9=9=9=9 -->xlowfznrg4wf7dli.onion/638B0225BDD4E79<!-- 9=9=9=9=9=9=9=9 --></font><br>
<!-----9=9=9=9=9=9=9=9 --> Your personal <!------9=9=9=9=9=9=9=9 --> ID
<!-----9=9=9=9=9=9=9=9 --> (if you open <!------9=9=9=9=9=9=9=9 --> the site directly):
<!-----9=9=9=9=9=9=9=9 --> <font style="font-weight:bold; color:#770000;">638B0225BDD4E79</font><br>
</div></div></center></body></html>
Signatures
-
TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
-
suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon
suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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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 file in Program Files directory 64 IoCs
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Drops file in Windows directory 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 47 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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System policy modification 1 TTPs 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\446a85755a16fb242c67c7c24ae86b0cf85cd8620cc50f711385ecd371b510f9.exe"C:\Users\Admin\AppData\Local\Temp\446a85755a16fb242c67c7c24ae86b0cf85cd8620cc50f711385ecd371b510f9.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\cuxmghsuustt.exeC:\Windows\cuxmghsuustt.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive3⤵
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\446A85~1.EXE2⤵
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
424KB
MD555c77c21b6e70c1c4d4e3df4b0152e40
SHA1e50611bae7fc6fc98841c15867c2cef45d3bf7c1
SHA256446a85755a16fb242c67c7c24ae86b0cf85cd8620cc50f711385ecd371b510f9
SHA5122083e4c600051d0500c3a999fdb0f337b3a90e440f8f791fd78e2e37d1a1a39adb7ac742e489ac853c1acc893754fbaaf233c7466ec92a29b0d2e4a034ab9c66
-
Filesize
424KB
MD555c77c21b6e70c1c4d4e3df4b0152e40
SHA1e50611bae7fc6fc98841c15867c2cef45d3bf7c1
SHA256446a85755a16fb242c67c7c24ae86b0cf85cd8620cc50f711385ecd371b510f9
SHA5122083e4c600051d0500c3a999fdb0f337b3a90e440f8f791fd78e2e37d1a1a39adb7ac742e489ac853c1acc893754fbaaf233c7466ec92a29b0d2e4a034ab9c66
-
-
Filesize
528KB
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-
Filesize
528KB
-
Filesize
692KB
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Filesize
528KB
-