Resubmissions

11/01/2024, 16:01

240111-tgd2laahcq10

11/01/2024, 13:57

240111-q9c38ahbcn10

30/12/2023, 02:18

231230-crebnsadgm9

Analysis

  • max time kernel
    27s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2024, 16:01

General

  • Target
    Satana.exe
  • Size 49KB
  • Sample240111-tgd2laahcq
  • SHA256 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
  • MD5 SHA1 SHA512 SSDEEP

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: A3D90235E1136671AB1195C6078184FF and pay on a Bitcoin Wallet: XpVh1a3MqRPea2e1GJEvAYeVkpvF98sqhS 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: A3D90235E1136671AB1195C6078184FF this is code; you must send BTC: XpVh1a3MqRPea2e1GJEvAYeVkpvF98sqhS 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!>

Signatures

  • Satana

    Ransomware family which also encrypts the system's Master Boot Record (MBR).

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Satana.exe
    "C:\Users\Admin\AppData\Local\Temp\Satana.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Users\Admin\AppData\Local\Temp\Satana.exe
      "C:\Users\Admin\AppData\Local\Temp\Satana.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2140
      • C:\Users\Admin\AppData\Local\Temp\fnug.exe
        "C:\Users\Admin\AppData\Local\Temp\fnug.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\Satana.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2120
        • C:\Users\Admin\AppData\Local\Temp\fnug.exe
          "C:\Users\Admin\AppData\Local\Temp\fnug.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\Satana.exe"
          4⤵
          • Deletes itself
          • Executes dropped EXE
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of AdjustPrivilegeToken
          PID:2212
          • C:\Windows\SysWOW64\VSSADMIN.EXE
            "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet
            5⤵
            • Interacts with shadow copies
            PID:2296

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        !satana!.txt

        • Path C:\Users\Admin\AppData\Local\Temp\!satana!.txt
        • Size 1KB
        • SHA256 0956cbba6e944fd76a98fc03c69a1e4d819723e5e60dd87e550f5d4b11223af3
        • MD5 SHA1 SHA512

        fnug.exe

        • Path \Users\Admin\AppData\Local\Temp\fnug.exe
        • Size 49KB
        • SHA256 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
        • MD5 SHA1 SHA512 SSDEEP

        memory/2140-5-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2140-0-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2140-7-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2140-10-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2140-3-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2140-1-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2212-36-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2212-38-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2212-39-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2212-43-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2212-41-0x0000000000400000-0x000000000041B000-memory.dmp