Overview

overview

10

Static

static

5cb0c4b219...d1.exe

windows7-x64

10

5cb0c4b219...d1.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    190s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2022 05:36

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General

  • Target

    5cb0c4b21927d654e5f0b1efe8b8ec80dc693c463b4de29f6b1e591105c584d1.exe

  • Size

    369KB

  • MD5

    5b638a15ecb9b00a6a0aef70de059ff8

  • SHA1

    c1ab227d0fe218b1cca7415b02eb78beb6d69e1f

  • SHA256

    5cb0c4b21927d654e5f0b1efe8b8ec80dc693c463b4de29f6b1e591105c584d1

  • SHA512

    90c90884116058a9de73c95adb92edbf12410b7ef1a92c1436342789c57565d06cb69cceecbde91782a03a7cb6dd13abaa390c68e1a47db34f7ed58d53498b01

Score
10/10
teslacryptpersistenceransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2372564722-193526734-2636556182-1000\_RECoVERY_+uglxb.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://yyre45dbvn2nhbefbmh.begumvelic.at/E2BC1FA9CAD25AE 2. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/E2BC1FA9CAD25AE 3. http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/E2BC1FA9CAD25AE 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/E2BC1FA9CAD25AE 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://yyre45dbvn2nhbefbmh.begumvelic.at/E2BC1FA9CAD25AE http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/E2BC1FA9CAD25AE http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/E2BC1FA9CAD25AE *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/E2BC1FA9CAD25AE
URLs

http://yyre45dbvn2nhbefbmh.begumvelic.at/E2BC1FA9CAD25AE

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/E2BC1FA9CAD25AE

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/E2BC1FA9CAD25AE

http://xlowfznrg4wf7dli.ONION/E2BC1FA9CAD25AE

Signatures

  • TeslaCrypt, AlphaCrypt

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

    ransomwareteslacrypt
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • 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
    persistence
  • 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
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\5cb0c4b21927d654e5f0b1efe8b8ec80dc693c463b4de29f6b1e591105c584d1.exe
    "C:\Users\Admin\AppData\Local\Temp\5cb0c4b21927d654e5f0b1efe8b8ec80dc693c463b4de29f6b1e591105c584d1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\5cb0c4b21927d654e5f0b1efe8b8ec80dc693c463b4de29f6b1e591105c584d1.exe
      "C:\Users\Admin\AppData\Local\Temp\5cb0c4b21927d654e5f0b1efe8b8ec80dc693c463b4de29f6b1e591105c584d1.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4028
      • C:\Windows\panpfaiaggit.exe
        C:\Windows\panpfaiaggit.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:260
        • C:\Windows\panpfaiaggit.exe
          C:\Windows\panpfaiaggit.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:2712
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:388
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\5CB0C4~1.EXE
        3⤵
          PID:4396
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4000

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\panpfaiaggit.exe
      Filesize

      369KB

      MD5

      5b638a15ecb9b00a6a0aef70de059ff8

      SHA1

      c1ab227d0fe218b1cca7415b02eb78beb6d69e1f

      SHA256

      5cb0c4b21927d654e5f0b1efe8b8ec80dc693c463b4de29f6b1e591105c584d1

      SHA512

      90c90884116058a9de73c95adb92edbf12410b7ef1a92c1436342789c57565d06cb69cceecbde91782a03a7cb6dd13abaa390c68e1a47db34f7ed58d53498b01

      Download Submit

    • C:\Windows\panpfaiaggit.exe
      Filesize

      369KB

      MD5

      5b638a15ecb9b00a6a0aef70de059ff8

      SHA1

      c1ab227d0fe218b1cca7415b02eb78beb6d69e1f

      SHA256

      5cb0c4b21927d654e5f0b1efe8b8ec80dc693c463b4de29f6b1e591105c584d1

      SHA512

      90c90884116058a9de73c95adb92edbf12410b7ef1a92c1436342789c57565d06cb69cceecbde91782a03a7cb6dd13abaa390c68e1a47db34f7ed58d53498b01

      Download Submit

    • C:\Windows\panpfaiaggit.exe
      Filesize

      369KB

      MD5

      5b638a15ecb9b00a6a0aef70de059ff8

      SHA1

      c1ab227d0fe218b1cca7415b02eb78beb6d69e1f

      SHA256

      5cb0c4b21927d654e5f0b1efe8b8ec80dc693c463b4de29f6b1e591105c584d1

      SHA512

      90c90884116058a9de73c95adb92edbf12410b7ef1a92c1436342789c57565d06cb69cceecbde91782a03a7cb6dd13abaa390c68e1a47db34f7ed58d53498b01

      Download Submit

    • memory/260-137-0x0000000000000000-mapping.dmp

      Download

    • memory/388-148-0x0000000000000000-mapping.dmp

      Download

    • memory/2712-142-0x0000000000000000-mapping.dmp

      Download

    • memory/2712-145-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2712-149-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2712-147-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2712-146-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2988-130-0x00000000007F0000-0x00000000007F3000-memory.dmp

      Filesize

      12KB

      Download

    • memory/2988-134-0x00000000007F0000-0x00000000007F3000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4028-141-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4028-136-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4028-132-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4028-133-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4028-131-0x0000000000000000-mapping.dmp

      Download

    • memory/4028-135-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4396-140-0x0000000000000000-mapping.dmp

      Download