Overview

overview

10

Static

static

3

683a09da21...96.exe

windows10-1703-x64

5

unpacked.exe

windows10-1703-x64

Analysis

  • max time kernel
    130s
  • max time network
    135s
  • platform
    windows10-1703_x64
  • resource
    win10-20231025-en
  • resource tags

    arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24/11/2023, 16:30

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Errors

Reason
Machine shutdown

General

  • Target
    unpacked.exe
  • Size 72KB
  • Sample231124-tz97racf85
  • SHA256 b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
satanabootkitpersistenceransomwarespywarestealer

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: D00BA97AA1E1BCE86718979C6DA868D5 and pay on a Bitcoin Wallet: XbvKCGr8VowpBLwE8VxHNL2oL24ukKcNFw 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: D00BA97AA1E1BCE86718979C6DA868D5 this is code; you must send BTC: XbvKCGr8VowpBLwE8VxHNL2oL24ukKcNFw 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).

    ransomwaresatana
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

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

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    bootkitpersistence
  • Drops file in Program Files directory 64 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.

    ransomware
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\unpacked.exe
    "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\yolp.exe
      "C:\Users\Admin\AppData\Local\Temp\yolp.exe" {859a38c1-7373-11ee-8d1d-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\SysWOW64\VSSADMIN.EXE
        "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:4324
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\!satana!.txt
        3⤵
          PID:42556
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe
          3⤵
            PID:43124
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32.exe
            3⤵
              PID:42560
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe
              3⤵
                PID:42356
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3540
          • C:\Windows\system32\LogonUI.exe
            "LogonUI.exe" /flags:0x0 /state0:0xa3ae8055 /state1:0x41c64e6d
            1⤵
            • Modifies data under HKEY_USERS
            • Suspicious use of SetWindowsHookEx
            PID:43188

          Network

                MITRE ATT&CK Enterprise v15

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                Downloads

                !satana!.txt
                • Path C:\Users\Admin\AppData\Local\Temp\!satana!.txt
                • Size 1KB
                • SHA256 0afdf24234c23bddd98f9e47e8f941441ee09557ee4c569a784c6417170b29af
                • MD5 SHA1 SHA512
                Submit Download

                yolp.exe
                • Path C:\Users\Admin\AppData\Local\Temp\yolp.exe
                • Size 72KB
                • SHA256 b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
                • MD5 SHA1 SHA512 SSDEEP
                Submit Download

                yolp.exe
                • Path C:\Users\Admin\AppData\Local\Temp\yolp.exe
                • Size 72KB
                • SHA256 b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
                • MD5 SHA1 SHA512 SSDEEP
                Submit Download

                !satana!.txt
                • Path C:\odt\!satana!.txt
                • Size 1KB
                • SHA256 0afdf24234c23bddd98f9e47e8f941441ee09557ee4c569a784c6417170b29af
                • MD5 SHA1 SHA512
                Submit Download

                memory/43124-4455-0x0000000002F20000-0x0000000002F21000-memory.dmp
                Download