Analysis

  • max time kernel
    151s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-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-1-5-21-3440072777-2118400376-1759599358-1000\Recovery+pmqbl.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/E748928275D11EF 2. http://kkd47eh4hdjshb5t.angortra.at/E748928275D11EF 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/E748928275D11EF 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/E748928275D11EF 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E748928275D11EF http://kkd47eh4hdjshb5t.angortra.at/E748928275D11EF http://ytrest84y5i456hghadefdsd.pontogrot.com/E748928275D11EF *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/E748928275D11EF
URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E748928275D11EF

http://kkd47eh4hdjshb5t.angortra.at/E748928275D11EF

http://ytrest84y5i456hghadefdsd.pontogrot.com/E748928275D11EF

http://xlowfznrg4wf7dli.ONION/E748928275D11EF

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
  • Deletes itself 1 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 34 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:1108
    • C:\Users\Admin\AppData\Local\Temp\580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148.exe
      "C:\Users\Admin\AppData\Local\Temp\580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Windows\jotuefwdhpib.exe
        C:\Windows\jotuefwdhpib.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Windows\jotuefwdhpib.exe
          C:\Windows\jotuefwdhpib.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1684
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /noin teractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1160
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\580484~1.EXE
        3⤵
        • Deletes itself
        PID:1904

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\jotuefwdhpib.exe

    Filesize

    384KB

    MD5

    6e40ceedbbe126326e9f2c00a6bcea26

    SHA1

    589928e1e8d398a4be6a3e85270bd09bad9104d1

    SHA256

    580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148

    SHA512

    05da4dd8f16ee82988ddec7e5e5c09dbf21da944a72dc464cbd9cdaab6117080bde3409185a37d0d8aff82017b1bc43f77371d4afb899230365f5e6312e4957d

  • C:\Windows\jotuefwdhpib.exe

    Filesize

    384KB

    MD5

    6e40ceedbbe126326e9f2c00a6bcea26

    SHA1

    589928e1e8d398a4be6a3e85270bd09bad9104d1

    SHA256

    580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148

    SHA512

    05da4dd8f16ee82988ddec7e5e5c09dbf21da944a72dc464cbd9cdaab6117080bde3409185a37d0d8aff82017b1bc43f77371d4afb899230365f5e6312e4957d

  • C:\Windows\jotuefwdhpib.exe

    Filesize

    384KB

    MD5

    6e40ceedbbe126326e9f2c00a6bcea26

    SHA1

    589928e1e8d398a4be6a3e85270bd09bad9104d1

    SHA256

    580484e4aa95bfa8e5b86b568b57e76625a8fe648bbe1093517281ac8cd0f148

    SHA512

    05da4dd8f16ee82988ddec7e5e5c09dbf21da944a72dc464cbd9cdaab6117080bde3409185a37d0d8aff82017b1bc43f77371d4afb899230365f5e6312e4957d

  • memory/1108-69-0x0000000000290000-0x0000000000293000-memory.dmp

    Filesize

    12KB

  • memory/1108-55-0x0000000000290000-0x0000000000293000-memory.dmp

    Filesize

    12KB

  • memory/1108-54-0x00000000762A1000-0x00000000762A3000-memory.dmp

    Filesize

    8KB

  • memory/1424-72-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1424-77-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1424-64-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1424-71-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1424-63-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1424-56-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1424-61-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1424-57-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1424-66-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1424-59-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1684-94-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1684-95-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1684-96-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB