Resubmissions
30/11/2025, 12:12
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250331-fzse2swn1331/03/2025, 05:18
250331-fzmvkawnz8Analysis
- max time kernel
535s - max time network
556s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20250314-en - resource tags
- submitted
31/03/2025, 00:22
General
- Target RansomwareSamples/REvil_08_04_2021_121KB.exe
- Size 120KB
- Sample250331-apdw1ssjs8
- SHA256 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39
Score
10/10
Malware Config
Extracted
Path
-
C:\Program Files (x86)\8r29n1h-readme.txt
-
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 8r29n1h. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] Attention!!! [+] Also your private data was downloaded. We will publish it in case you will not get in touch with us asap. [+] 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/F9F73AF08007CFEB 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://decoder.re/F9F73AF08007CFEB 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: Y0sN7rsQTCf0ErEyuAoXANTs7PvAXJIhwBh4aOBF7RRNh6C7kTHOoDA/LzK0gyWq 50lFSbgo+mq9+bZQrQtMFSDJanyOivM0CO++Q1OEH+1UEotCb03IOaI48IvEg89R Rr7yn41MRxJbQ1v9ic4VoG4E/78Rx7moyY7IeqAzG48Re5dR0RS6zMlGSBtiBNR7 lM4hYY8PDjMPc1cUnMM9m4tHuCdWXNi6SDdZ9yxMV+5g2izIcm6nUKoIEdJFdlfC xJEYseSNe53s6M+DRtykoRbDIEANN0u8dBuQIACPeHFjlrzKUetVMa+0zOAa+GHz Rq/+I1S118/gZFtRBIkUS7nA1QJWX0ouU/B/lD6hHAP4TEH8nOBUY5ZP3T9YVpbi mQK+X1gEfUlsU71vWvQbkg3R7UYhYRexsGipJAkh6xUydy6v12Il+M0AauhtnD1v 1aH4VqvxBif6FKSbjoXK7mMm7yGmNUAJF6xsZhOv5+2im5KId9yrLoSNTKA8J88c iQpMRttyxrUko2uN4LFVoOojtt7uNtYG8FdbClKje9i054YFfsH36ub7qh+VBa9Z /6N6IkT2zCoPFvdMzm1zwO5KnRik+gotUEfkJFP25b9jevrlXSM8WMDbsv+y584f OaxXHJ562HVKrmjGL1dKxKrEfdvJtaPyksuYqeotk3YexshqIj10t46sRDRmkCv5 Z5oAIRUUAZMWaPY3OVkbfjx/amI3TZ+5a1OcMppZnk9imHGbDsRUNcFQARTci2XC /fsK0FLYRMqO6cvNPgEGm1Dso5txRFuEi8fDGMVcOcKZo2j3AteOKAZZja1q/y4K jCVUJoVEmptKe46wUubq7kZxZjhEIYHBgvtdSXKBe7cO7nW+L1qYyxfBqxGkE0Ya 5O9ShYDwcHBFYJjqn8zxYfvG3yYbgts6ydfe07uwPnfMRgh+jbLyB29llq2sWobm nhjiL8x9/vBcKDalSzWI/a6ACbhgheemQMe7m7aUb55VWhe7YyHxRu15xebZsRVL o+QKwWsdA5xp44bqbZ2yJtT+C6Cv4dx/q1DZVtYMugbuVXqqHqXvLvKA4N9qo/1t 7Rc/gOAYD92IRUOMkO86EUcApQYFtvrAxXMrVuC1IEhEQvpQ/AOXXhRwcA1dqN5g OO4KrDoFSksOKEVt1luLoxl771e+eZob4tK7VbWZtXQk+5cdqHxhEcgeKR+i/udy mfZevyY/by9IMifp2+FeaD0SAphw+fUeZzD01aHLxcQrjHmHpZXfE84jSnmdAcA1 eSk2oROlJ+nJgXSaUlF/jVYHePQbsa6GAuROboid9qhg+MHF5C7AJnom2pcLhRyr ci4wFJP0CZJUUctrnzb4BfDOKTxViyU5b6sUYeBFIkpyA3itMTDwQOskxb5kggOz Qt0= ----------------------------------------------------------------------------------------- !!! 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/F9F73AF08007CFEB
-
http://decoder.re/F9F73AF08007CFEB
Signatures
- Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
- Sodinokibi family
- Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
- Reads user/profile data of web browsers 3 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 24 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 5 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\RansomwareSamples\REvil_08_04_2021_121KB.exe"C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\REvil_08_04_2021_121KB.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- 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
Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
8r29n1h-readme.txt