Analysis
- max time kernel
165s - max time network
178s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
24/01/2022, 00:45
General
- Target ec5943e6ac030816a293459fecf57406d27c2e718a49a4acfad637e3bc2e7a35.exe
- Size 165KB
- Sample220124-a4j2ksghdl
- SHA256 ec5943e6ac030816a293459fecf57406d27c2e718a49a4acfad637e3bc2e7a35
Score
10/10
Malware Config
Extracted
Path
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C:\1u6798d72-readme.txt
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sodinokibi
Ransom Note
- ---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension 1u6798d72. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/4ACE0A95A28D1691 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.cc/4ACE0A95A28D1691 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: z+aNgBNSZDbyMaardcFK+N/qTBdvd86NT3DA4ZQh+EWa8sNpA68flHKjgTN8/7x8 Wst2uFFJyf/C3HARCmd8RL1zRQ1Edl/BtyekrEbaFVQpFS6lvisTLc3oX9v+xkyI syOgwlygEPNhJry7u00TvA7IZUi1QVqNc31cwH07SSHSgnQbvU8QoQhXgqnXIGGb e6zliPd1T9koicoR8q95yjWcsCj4MPyY5Nu9+c2eR2LqpRNrO/bS/AJONUIr4j1F hE+oDCBwvS4cuWss9yh7LN10rsxjUpJBELjYnLY59k2ZEsJzmFrSfwwZaWWcp6oy yobG92LCC1iLAOYfiPkP/lwWuo+JHeYOlZmKJpsYaPFDxoEVQ5SfGTRKyfe2hWAC 3/dgLY7S1bNY7mAl0nMR+1aolbTa7eWPX98EEi8jW2i5nidQjQkUtRMJFLm8FOaI LovZSVpfj6jgRjbrPIvcbi12b9ABIQhlu/dHtc/w7i6pRyXAuTDFwYqP8Wq17yrj MtTi4EpPHU+r/oORRy+g1ByPJMZ74TEn1w3dXwr6vBckX0uHy1xaWfx3N6c2aiKU kgLSZlMxfULNjERYmNTWDLEQW6jWMn2daiatvwQvHqixYbHRQNG+CYqEcIEmtwSN o4zCIS4zRR5L/GOY3O9/aXr71vZSaK+wTJ6cxMDpGllc3nN9jF5Ji/+YejCCeoVV lAjULtpM1N0HazD1pqnGzOt+5UgcQIY1OyHRbYO3sha/+qSe6+YhOO97JmMZSOsx 4HB0zv6QVcWNoN0/dQAlo5DLMTS9rZm7O/l+0wBBDagX5RlsbgOIFZ16k+nQ+Ye6 sUHP5/b2YvK7iKF93lFqzsJFHRSzBNLwdFEw2R7hrIEvHNI4/IFcnsim4zEGps6r wBkgLNaExGP0CuCrWcegdfzg+YK+5XAcl2Yz8CdoIMgLzPzQeaZ/cEspK0S8DGA5 vxLBzM8HdbqR+EePzZCMzgYASIFzzj0zytFeOZDIjTE8CXhQpkWyPiEHgGRTpSd6 Wmt/MhzzniH5XV7CB/HiThEdifv15upXO9Cc0nl2l+Pyqy9Wub5CBlDJDcbDNmWm +JoEWPl8Zry8Qu0gKu2xQhZaZeS7mKHGKhTwPhRL0pjhBeZ+vQhXrlAppOjtizFG 6Og= ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs
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http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/4ACE0A95A28D1691
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http://decryptor.cc/4ACE0A95A28D1691
Signatures
- Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
- Modifies extensions of user files 5 IoCs
Ransomware generally changes the extension on encrypted files.
- Adds Run key to start application 2 TTPs 2 IoCs
- Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Sets desktop wallpaper using registry 2 TTPs 1 IoCs
- Drops file in Program Files directory 30 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ec5943e6ac030816a293459fecf57406d27c2e718a49a4acfad637e3bc2e7a35.exe"C:\Users\Admin\AppData\Local\Temp\ec5943e6ac030816a293459fecf57406d27c2e718a49a4acfad637e3bc2e7a35.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/652-119-0x00000181D7B20000-0x00000181D7B42000-memory.dmp
memory/652-121-0x00000181D7B60000-0x00000181D7B62000-memory.dmp
memory/652-123-0x00000181D7B63000-0x00000181D7B65000-memory.dmp
memory/652-124-0x00000181D7CF0000-0x00000181D7D66000-memory.dmp