Analysis
- max time kernel
222s - max time network
290s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
02/09/2025, 18:04
General
- Target unpacked.exe
- Size 72KB
- Sample250902-wnlfcsgl2v
- 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: 81DFE6FD47088D71BD2190E36472A141 and pay on a Bitcoin Wallet: Xoq9wmiB1vbT7WAkGZWcgex544YGdC93Eb 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: 81DFE6FD47088D71BD2190E36472A141 this is code; you must send BTC: Xoq9wmiB1vbT7WAkGZWcgex544YGdC93Eb 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).
- Satana family
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 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).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\unpacked.exe"C:\Users\Admin\AppData\Local\Temp\unpacked.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\nvnmbm.exe"C:\Users\Admin\AppData\Local\Temp\nvnmbm.exe" {2bdd0351-4d6a-11f0-a259-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\!satana!.txt1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\!satana!.txt2⤵
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
!satana!.txt
nvnmbm.exe