Analysis
- max time kernel
157s - max time network
164s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
13/10/2022, 16:28
General
- Target unpacked.exe
- Size 72KB
- Sample221013-ty5wmsdbcj
- SHA256 b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
Score
10/10
Malware Config
Extracted
Path
-
C:\Users\Admin\AppData\Local\Temp\!satana!.txt
Ransom Note
- You had bad luck.There was crypting of all your files in a FS bootkit virus <!SATANA!> To decrypt you need send on this E-mail: [email protected] your private code: 513E5C1EB737506EF96B1B0C50B56FA5 and pay on a Bitcoin Wallet: XqW49FMuYkSVhSwjB6wvgHNnTDhTasLqtx total 0,5 btc After that during 1 - 2 days the software will be sent to you - decryptor - and the necessary instructions. All changes in hardware configurations of your computer can make the decryption of your files absolutely impossible! Decryption of your files is possible only on your PC! Recovery is possible during 7 days, after which the program - decryptor - can not ask for the necessary signature from a public certificate server. Please contact via e-mail, which you can find as yet in the form of a text document in a folder with encrypted files, as well as in the name of all encrypted files.If you do not appreciate your files we recommend you format all your disks and reinstall the system. Read carefully this warning as it is no longer able to see at startup of the computer. We remind once again- it is all serious! Do not touch the configuration of your computer! E-mail: [email protected] - this is our mail CODE: 513E5C1EB737506EF96B1B0C50B56FA5 this is code; you must send BTC: XqW49FMuYkSVhSwjB6wvgHNnTDhTasLqtx here need to pay 0,5 bitcoins How to pay on the Bitcoin wallet you can easily find on the Internet. Enter your unlock code, obtained by E-mail here and press "ENTER" to continue the normal download on your computer. Good luck! May God help you! <!SATANA!>
Emails
Signatures
- Satana
Ransomware family which also encrypts the system's Master Boot Record (MBR).
- Executes dropped EXE 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 2 IoCs
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\unpacked.exe"C:\Users\Admin\AppData\Local\Temp\unpacked.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\xrroaq.exe"C:\Users\Admin\AppData\Local\Temp\xrroaq.exe" {1ca2f389-1ab8-11ed-aebb-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
!satana!.txt
xrroaq.exe
xrroaq.exe