Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2024 03:42

General

  • Target

    683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe

  • Size

    49KB

  • MD5

    46bfd4f1d581d7c0121d2b19a005d3df

  • SHA1

    5b063298bbd1670b4d39e1baef67f854b8dcba9d

  • SHA256

    683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96

  • SHA512

    b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5

  • SSDEEP

    768:AbFw10RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtDj:Apw10vnAOIUaJh4IXdWXLXTWLfuFj

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: XjU81vkJn4kExpBE2r92tcA3zXVdbfux6T 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: XjU81vkJn4kExpBE2r92tcA3zXVdbfux6T 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 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 32 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\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
    "C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
      "C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2552
      • C:\Users\Admin\AppData\Local\Temp\nwzmpjou.exe
        "C:\Users\Admin\AppData\Local\Temp\nwzmpjou.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\683A09~1.EXE"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\Users\Admin\AppData\Local\Temp\nwzmpjou.exe
          "C:\Users\Admin\AppData\Local\Temp\nwzmpjou.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\683A09~1.EXE"
          4⤵
          • Deletes itself
          • Executes dropped EXE
          • Loads dropped DLL
          • Writes to the Master Boot Record (MBR)
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2624
          • C:\Windows\SysWOW64\VSSADMIN.EXE
            "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet
            5⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:3056
          • C:\Windows\SysWOW64\NOTEPAD.EXE
            "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\!satana!.txt
            5⤵
            • System Location Discovery: System Language Discovery
            PID:14484
  • C:\Windows\system32\calc.exe
    "C:\Windows\system32\calc.exe"
    1⤵
      PID:1672
    • C:\Windows\system32\mspaint.exe
      "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\StepRestart.wmf"
      1⤵
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:2740
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\!satana!.txt

      Filesize

      1KB

      MD5

      f1ac688527d1c3925d9b4126e89d0a26

      SHA1

      ca5d0d09b3354f1ec90e5b30a99b4c950cae4246

      SHA256

      1f54cf424439cca05ba9f82f22eb1b6d37d7988a7c63bc8233c58273827fcba0

      SHA512

      da59305a7b1e604bce3e946838bf82babafec60cf2f3158a62f991945095a2465dc2f1d8224d4a564304c3b6c1a27df74e4b9586a440d1775d3695b6667569fd

    • \Users\Admin\AppData\Local\Temp\nwzmpjou.exe

      Filesize

      49KB

      MD5

      46bfd4f1d581d7c0121d2b19a005d3df

      SHA1

      5b063298bbd1670b4d39e1baef67f854b8dcba9d

      SHA256

      683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96

      SHA512

      b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5

    • memory/2552-0-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2552-1-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2552-3-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2552-5-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2552-7-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2552-12-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-68-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-62-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-40-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-42-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-45-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-54-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-53-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-52-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-56-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-57-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-59-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-60-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-63-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-64-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-70-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-69-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-73-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-72-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-37-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-66-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-74-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-39-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-77-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-80-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-78-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-81-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-86-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-98-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-102-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-89-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-101-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-99-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-96-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-92-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-88-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-85-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-84-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-83-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-105-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-104-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2624-103-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2740-9-0x000007FEF6440000-0x000007FEF648C000-memory.dmp

      Filesize

      304KB

    • memory/2740-10-0x0000000001D90000-0x0000000001D91000-memory.dmp

      Filesize

      4KB

    • memory/2740-30-0x000007FEF6440000-0x000007FEF648C000-memory.dmp

      Filesize

      304KB