Analysis

  • max time kernel
    152s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07-07-2022 16:04

General

  • Target

    455facede70e46324ae62c80dfa14a4fe19f4ded867cb2ca0757199c338538c4.exe

  • Size

    340KB

  • MD5

    25c249bf89b9cfc739218b94c87e21c0

  • SHA1

    841b5450973119c8a679bc99c4c54503c7482c01

  • SHA256

    455facede70e46324ae62c80dfa14a4fe19f4ded867cb2ca0757199c338538c4

  • SHA512

    5c5729ca219305fc76cd87ef38f3c0b0843d8fc6fe4fcd4569b5ea3b2bffddcdf51552090374c57d9bac0a4b0ff4e4295ab3b58c14dd6eae59cfdedcf4daf1e2

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1809750270-3141839489-3074374771-1000\_RECOVERY_+eodpf.txt

Family

teslacrypt

Ransom Note
NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/148891B367C1B1D3 2. http://tes543berda73i48fsdfsd.keratadze.at/148891B367C1B1D3 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/148891B367C1B1D3 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser 3. Type in the address bar: xlowfznrg4wf7dli.onion/148891B367C1B1D3 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/148891B367C1B1D3 http://tes543berda73i48fsdfsd.keratadze.at/148891B367C1B1D3 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/148891B367C1B1D3 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/148891B367C1B1D3
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/148891B367C1B1D3

http://tes543berda73i48fsdfsd.keratadze.at/148891B367C1B1D3

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/148891B367C1B1D3

http://xlowfznrg4wf7dli.ONION/148891B367C1B1D3

Signatures

  • TeslaCrypt, AlphaCrypt

    Ransomware based on CryptoLocker. Shut down by the developers in 2016.

  • suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\455facede70e46324ae62c80dfa14a4fe19f4ded867cb2ca0757199c338538c4.exe
    "C:\Users\Admin\AppData\Local\Temp\455facede70e46324ae62c80dfa14a4fe19f4ded867cb2ca0757199c338538c4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Users\Admin\AppData\Local\Temp\455facede70e46324ae62c80dfa14a4fe19f4ded867cb2ca0757199c338538c4.exe
      "C:\Users\Admin\AppData\Local\Temp\455facede70e46324ae62c80dfa14a4fe19f4ded867cb2ca0757199c338538c4.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\pmieucpspgqw.exe
        C:\Windows\pmieucpspgqw.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2676
        • C:\Windows\pmieucpspgqw.exe
          C:\Windows\pmieucpspgqw.exe
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:5084
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2664
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\455FAC~1.EXE
        3⤵
          PID:2696
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3148

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\pmieucpspgqw.exe

      Filesize

      340KB

      MD5

      25c249bf89b9cfc739218b94c87e21c0

      SHA1

      841b5450973119c8a679bc99c4c54503c7482c01

      SHA256

      455facede70e46324ae62c80dfa14a4fe19f4ded867cb2ca0757199c338538c4

      SHA512

      5c5729ca219305fc76cd87ef38f3c0b0843d8fc6fe4fcd4569b5ea3b2bffddcdf51552090374c57d9bac0a4b0ff4e4295ab3b58c14dd6eae59cfdedcf4daf1e2

    • C:\Windows\pmieucpspgqw.exe

      Filesize

      340KB

      MD5

      25c249bf89b9cfc739218b94c87e21c0

      SHA1

      841b5450973119c8a679bc99c4c54503c7482c01

      SHA256

      455facede70e46324ae62c80dfa14a4fe19f4ded867cb2ca0757199c338538c4

      SHA512

      5c5729ca219305fc76cd87ef38f3c0b0843d8fc6fe4fcd4569b5ea3b2bffddcdf51552090374c57d9bac0a4b0ff4e4295ab3b58c14dd6eae59cfdedcf4daf1e2

    • C:\Windows\pmieucpspgqw.exe

      Filesize

      340KB

      MD5

      25c249bf89b9cfc739218b94c87e21c0

      SHA1

      841b5450973119c8a679bc99c4c54503c7482c01

      SHA256

      455facede70e46324ae62c80dfa14a4fe19f4ded867cb2ca0757199c338538c4

      SHA512

      5c5729ca219305fc76cd87ef38f3c0b0843d8fc6fe4fcd4569b5ea3b2bffddcdf51552090374c57d9bac0a4b0ff4e4295ab3b58c14dd6eae59cfdedcf4daf1e2

    • memory/2224-135-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

    • memory/2224-131-0x0000000000000000-mapping.dmp

    • memory/2224-141-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

    • memory/2224-139-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

    • memory/2224-132-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

    • memory/2224-133-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

    • memory/2624-134-0x0000000000790000-0x0000000000793000-memory.dmp

      Filesize

      12KB

    • memory/2624-130-0x0000000000790000-0x0000000000793000-memory.dmp

      Filesize

      12KB

    • memory/2664-148-0x0000000000000000-mapping.dmp

    • memory/2676-136-0x0000000000000000-mapping.dmp

    • memory/2696-140-0x0000000000000000-mapping.dmp

    • memory/5084-142-0x0000000000000000-mapping.dmp

    • memory/5084-145-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

    • memory/5084-146-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

    • memory/5084-147-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

    • memory/5084-149-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB