Analysis
- max time kernel
118s - max time network
124s - platform
windows7_x64 - resource
win7-20240319-en - resource tags
- submitted
29/03/2024, 21:43
General
- Target 2024-03-29_9ef9a8497761db7ffb2d35c150a376e1_revil.exe
- Size 118KB
- Sample240329-1k2qdsbc45
- SHA256 07f13ae44f7dfe796d27023a327d5f3e8c615ba9c897faa35d21c77eedc32f55
Score
10/10
Malware Config
Extracted
Path
-
C:\Recovery\dece5d02-e637-11ee-8d99-de339d6e7664\u5tp571-readme.txt
-
sodinokibi
Ransom Note
- ---=== Welcome BrightKey Inc. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension u5tp571. 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/61D804EEED47BF9D 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/61D804EEED47BF9D 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: eackiA6ItOk7t0sGdhBQkJNr9saoHO7ca9UcaXp5EYZWnmVNEGPFdhP4T+lW4yb/ Up1tFEMQh2N9vYA1MN4j+c99w04GucKtRWXwiXsawxmrtereDmD5pFwNaJdycbGa uDqqULK/cB/EUWchBks+V96PkBS7W14IdIexwlOlLOK3FU6A4o+n37jhiPVMjqly +1ZZaaL8McNzIM8o1lTnKzWIwz+2aCAJWReNkeiB113cwneGfq7VCbBU4L/hbnPc Mi2Q5zUEMfwxLnW9zr4nHulpLbrTk3gSkd1M+huqWfbudMR6Uxrgjmkgc8+Ywcsn iZK5tJVBD6+ucmxKG6qAwI7IEwwOaCy9YmR71QClAToRYSiJTHnlykA3zybivSu7 CewDKEUjzgt65OqEGVF3ZA8okBMu//dZJMgOgyEt6y2WYFEjlyD85/53UYa2fHbG UBf0gnGzm7nL96a30/VAY8NBFa9TCMg2yjFOxe0EytQPkLJ1pHhGPE+IMfTobhIM /J6K1nUToxDOpEuLdv4cx+F+uKMBaVFKUHaicqdSkF4pIZqEg/e6vLt6iOgwKult TglrJdg6MKCudMW98sJlSLrRUJWetXP1vvZblA0zOvfwhYojRZCipdJNKKu6jvQy lg2DZUreLVbru1MhE2vGgc0AzZyckN0Ffq/wVTg+uIcJ93E4eVewYwSi2C4e54nM pFyFsbfIkGhiIq99jHFgL2VJlUqfPJgX1MIJamB0Wm7eNsVk24yhyvn0GafYct4y 1dErSyQh/x1ngHNGXACEcCIgs2XGeL7O8sWGPxHJmHNsNVhs+4+cg12l/OZl7BLQ u391JKrm2rcNn+FEvLxbtJ9KJinMJRhe4xwgQ1E6Qf7Z5l/c/Bx/cfJmLBkXuUz9 1mLyB1xQfzzXpQaWYDSFaAp9nradTGS1UMZ5qfTARmP+utX7X44FYZmT8M9+rUvo AlL824xFr6wLkmK94dTV6dbyH89UzWvtxWdmML8NnMOEJXL+TSRwxd9l2SLCz0js tHBHuqD3qXDxLxaAgaTFKfsaSFeglN3NNWrUi8wFn9JnYfNhujvl1omn2D/2ZMqe sqlFK52gUvRbgt38sR+rm4gPPzoJW5b/0UEe9/zlFYpoJ3OBivSASLPonFSaiSdO 4c1FGh4athlymaykFO0zsbOCyF16Lz2bjszPVBGNvetW8jGzDhQ78RpOxoeJPvGS JtpoHZQnQTFrU0dMRoniFDJLoLU/N6fPhmgw3ntb5dqnFysbH31D4xr0HEddmZJZ Gc9DSDliGqcnNF21UCNd/VZk/4iAWFR3B5CM9BmyWjfQbyGK3Co3fFMDwORZFF/8 dJsbzP7Z1G/69oB7FXkGNl8/v+JVTbkeTWWdfQQiBeQoJg== ----------------------------------------------------------------------------------------- !!! 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
-
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/61D804EEED47BF9D
-
http://decryptor.cc/61D804EEED47BF9D
Signatures
- Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 19 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 37 IoCs
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-03-29_9ef9a8497761db7ffb2d35c150a376e1_revil.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-29_9ef9a8497761db7ffb2d35c150a376e1_revil.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
u5tp571-readme.txt