Analysis

  • max time kernel
    153s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2022, 16:44

General

  • Target

    580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148.exe

  • Size

    384KB

  • MD5

    6e40ceedbbe126326e9f2c00a6bcea26

  • SHA1

    589928e1e8d398a4be6a3e85270bd09bad9104d1

  • SHA256

    580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148

  • SHA512

    05da4dd8f16ee82988ddec7e5e5c09dbf21da944a72dc464cbd9cdaab6117080bde3409185a37d0d8aff82017b1bc43f77371d4afb899230365f5e6312e4957d

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3463845317-933582289-45817732-1000\Recovery+pieom.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 RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 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://tt54rfdjhb34rfbnknaerg.milerteddy.com/F7895A6BFBF13BB2 2. http://kkd47eh4hdjshb5t.angortra.at/F7895A6BFBF13BB2 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/F7895A6BFBF13BB2 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/F7895A6BFBF13BB2 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/F7895A6BFBF13BB2 http://kkd47eh4hdjshb5t.angortra.at/F7895A6BFBF13BB2 http://ytrest84y5i456hghadefdsd.pontogrot.com/F7895A6BFBF13BB2 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/F7895A6BFBF13BB2
URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/F7895A6BFBF13BB2

http://kkd47eh4hdjshb5t.angortra.at/F7895A6BFBF13BB2

http://ytrest84y5i456hghadefdsd.pontogrot.com/F7895A6BFBF13BB2

http://xlowfznrg4wf7dli.ONION/F7895A6BFBF13BB2

Signatures

  • TeslaCrypt, AlphaCrypt

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

  • 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.

  • 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 23 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148.exe
    "C:\Users\Admin\AppData\Local\Temp\580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148.exe
      "C:\Users\Admin\AppData\Local\Temp\580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4092
      • C:\Windows\hyoqssilrsbi.exe
        C:\Windows\hyoqssilrsbi.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:372
        • C:\Windows\hyoqssilrsbi.exe
          C:\Windows\hyoqssilrsbi.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:2664
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /noin teractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4148
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\580484~1.EXE
        3⤵
          PID:4976

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\hyoqssilrsbi.exe

      Filesize

      384KB

      MD5

      6e40ceedbbe126326e9f2c00a6bcea26

      SHA1

      589928e1e8d398a4be6a3e85270bd09bad9104d1

      SHA256

      580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148

      SHA512

      05da4dd8f16ee82988ddec7e5e5c09dbf21da944a72dc464cbd9cdaab6117080bde3409185a37d0d8aff82017b1bc43f77371d4afb899230365f5e6312e4957d

    • C:\Windows\hyoqssilrsbi.exe

      Filesize

      384KB

      MD5

      6e40ceedbbe126326e9f2c00a6bcea26

      SHA1

      589928e1e8d398a4be6a3e85270bd09bad9104d1

      SHA256

      580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148

      SHA512

      05da4dd8f16ee82988ddec7e5e5c09dbf21da944a72dc464cbd9cdaab6117080bde3409185a37d0d8aff82017b1bc43f77371d4afb899230365f5e6312e4957d

    • C:\Windows\hyoqssilrsbi.exe

      Filesize

      384KB

      MD5

      6e40ceedbbe126326e9f2c00a6bcea26

      SHA1

      589928e1e8d398a4be6a3e85270bd09bad9104d1

      SHA256

      580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148

      SHA512

      05da4dd8f16ee82988ddec7e5e5c09dbf21da944a72dc464cbd9cdaab6117080bde3409185a37d0d8aff82017b1bc43f77371d4afb899230365f5e6312e4957d

    • memory/1360-133-0x0000000002660000-0x0000000002663000-memory.dmp

      Filesize

      12KB

    • memory/1360-132-0x0000000002660000-0x0000000002663000-memory.dmp

      Filesize

      12KB

    • memory/1360-138-0x0000000002660000-0x0000000002663000-memory.dmp

      Filesize

      12KB

    • memory/2664-149-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/2664-148-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/2664-150-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/2664-152-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/4092-139-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/4092-137-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/4092-135-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/4092-144-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/4092-136-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB