Analysis

  • max time kernel
    186s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 21:59

General

  • Target

    57829520d9161ecb5ccdbf320c40615bd13ec7a514f4d34d3f95534013ebcbfd.exe

  • Size

    369KB

  • MD5

    9009f09c28c128032a54dd758c608fb0

  • SHA1

    023c1cd36ae7eaf17824e08b70f32641f8b8098a

  • SHA256

    57829520d9161ecb5ccdbf320c40615bd13ec7a514f4d34d3f95534013ebcbfd

  • SHA512

    606b5deaa9969ae04cf4a94e766d72eb295551ccd3fadd8c9a22c7e1be98a0f03c66116599c0a1518f35aa59685bd276c89499c300b3806ef7a0b0e2013e9347

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3762437355-3468409815-1164039494-1000\_RECoVERY_+urjue.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/81FABDED4350C48D 2. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/81FABDED4350C48D 3. http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/81FABDED4350C48D 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/81FABDED4350C48D 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://yyre45dbvn2nhbefbmh.begumvelic.at/81FABDED4350C48D http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/81FABDED4350C48D http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/81FABDED4350C48D *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/81FABDED4350C48D
URLs

http://yyre45dbvn2nhbefbmh.begumvelic.at/81FABDED4350C48D

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/81FABDED4350C48D

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/81FABDED4350C48D

http://xlowfznrg4wf7dli.ONION/81FABDED4350C48D

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 3 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 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57829520d9161ecb5ccdbf320c40615bd13ec7a514f4d34d3f95534013ebcbfd.exe
    "C:\Users\Admin\AppData\Local\Temp\57829520d9161ecb5ccdbf320c40615bd13ec7a514f4d34d3f95534013ebcbfd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\57829520d9161ecb5ccdbf320c40615bd13ec7a514f4d34d3f95534013ebcbfd.exe
      "C:\Users\Admin\AppData\Local\Temp\57829520d9161ecb5ccdbf320c40615bd13ec7a514f4d34d3f95534013ebcbfd.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\botusgtjaoer.exe
        C:\Windows\botusgtjaoer.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1316
        • C:\Windows\botusgtjaoer.exe
          C:\Windows\botusgtjaoer.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:1776
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:684
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\578295~1.EXE
        3⤵
        • Deletes itself
        PID:848
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\botusgtjaoer.exe

    Filesize

    369KB

    MD5

    9009f09c28c128032a54dd758c608fb0

    SHA1

    023c1cd36ae7eaf17824e08b70f32641f8b8098a

    SHA256

    57829520d9161ecb5ccdbf320c40615bd13ec7a514f4d34d3f95534013ebcbfd

    SHA512

    606b5deaa9969ae04cf4a94e766d72eb295551ccd3fadd8c9a22c7e1be98a0f03c66116599c0a1518f35aa59685bd276c89499c300b3806ef7a0b0e2013e9347

  • C:\Windows\botusgtjaoer.exe

    Filesize

    369KB

    MD5

    9009f09c28c128032a54dd758c608fb0

    SHA1

    023c1cd36ae7eaf17824e08b70f32641f8b8098a

    SHA256

    57829520d9161ecb5ccdbf320c40615bd13ec7a514f4d34d3f95534013ebcbfd

    SHA512

    606b5deaa9969ae04cf4a94e766d72eb295551ccd3fadd8c9a22c7e1be98a0f03c66116599c0a1518f35aa59685bd276c89499c300b3806ef7a0b0e2013e9347

  • C:\Windows\botusgtjaoer.exe

    Filesize

    369KB

    MD5

    9009f09c28c128032a54dd758c608fb0

    SHA1

    023c1cd36ae7eaf17824e08b70f32641f8b8098a

    SHA256

    57829520d9161ecb5ccdbf320c40615bd13ec7a514f4d34d3f95534013ebcbfd

    SHA512

    606b5deaa9969ae04cf4a94e766d72eb295551ccd3fadd8c9a22c7e1be98a0f03c66116599c0a1518f35aa59685bd276c89499c300b3806ef7a0b0e2013e9347

  • memory/684-93-0x0000000000000000-mapping.dmp

  • memory/848-73-0x0000000000000000-mapping.dmp

  • memory/1316-71-0x0000000000000000-mapping.dmp

  • memory/1776-92-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/1776-91-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/1776-90-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/1776-86-0x00000000004164E8-mapping.dmp

  • memory/2012-69-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/2012-70-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/2012-68-0x0000000075211000-0x0000000075213000-memory.dmp

    Filesize

    8KB

  • memory/2012-74-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/2012-65-0x00000000004164E8-mapping.dmp

  • memory/2012-64-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/2012-62-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/2012-60-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/2012-58-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/2012-56-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/2012-55-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/2032-54-0x00000000002C0000-0x00000000002C3000-memory.dmp

    Filesize

    12KB

  • memory/2032-67-0x00000000002C0000-0x00000000002C3000-memory.dmp

    Filesize

    12KB