Overview

overview

10

Static

static

58ff230560...db.exe

windows7-x64

10

58ff230560...db.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2022 05:51

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    58ff230560bfeb0c5bd9d3fb7654e4ad5d38ce3962782da698331c8ecfa459db.exe

  • Size

    360KB

  • MD5

    7ef2ee7c53fe41db4e1b17674ceab984

  • SHA1

    e961deef333563a226b7214799e92d1f51895c5a

  • SHA256

    58ff230560bfeb0c5bd9d3fb7654e4ad5d38ce3962782da698331c8ecfa459db

  • SHA512

    d122530a31fe196711a12bfd458b211662a0fb44cc1eadaf97c91160ad9e0de094660bc93c3e05b1be15b9ed3ffffd2c915ad4b934c43b69b442c4c455b99dbb

Score
10/10
teslacryptpersistenceransomwaresuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1101907861-274115917-2188613224-1000\_RECoVERY_+msgmx.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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/BB8321E6A1CE69F6 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/BB8321E6A1CE69F6 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/BB8321E6A1CE69F6 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/BB8321E6A1CE69F6 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/BB8321E6A1CE69F6 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/BB8321E6A1CE69F6 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/BB8321E6A1CE69F6 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/BB8321E6A1CE69F6
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/BB8321E6A1CE69F6

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/BB8321E6A1CE69F6

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/BB8321E6A1CE69F6

http://xlowfznrg4wf7dli.ONION/BB8321E6A1CE69F6

Signatures

  • TeslaCrypt, AlphaCrypt

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

    ransomwareteslacrypt
  • suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata
  • 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\58ff230560bfeb0c5bd9d3fb7654e4ad5d38ce3962782da698331c8ecfa459db.exe
    "C:\Users\Admin\AppData\Local\Temp\58ff230560bfeb0c5bd9d3fb7654e4ad5d38ce3962782da698331c8ecfa459db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Users\Admin\AppData\Local\Temp\58ff230560bfeb0c5bd9d3fb7654e4ad5d38ce3962782da698331c8ecfa459db.exe
      "C:\Users\Admin\AppData\Local\Temp\58ff230560bfeb0c5bd9d3fb7654e4ad5d38ce3962782da698331c8ecfa459db.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\svckpbihimoj.exe
        C:\Windows\svckpbihimoj.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:516
        • C:\Windows\svckpbihimoj.exe
          C:\Windows\svckpbihimoj.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:4136
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2356
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\58FF23~1.EXE
        3⤵
          PID:4348
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3680

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\svckpbihimoj.exe
      Filesize

      360KB

      MD5

      7ef2ee7c53fe41db4e1b17674ceab984

      SHA1

      e961deef333563a226b7214799e92d1f51895c5a

      SHA256

      58ff230560bfeb0c5bd9d3fb7654e4ad5d38ce3962782da698331c8ecfa459db

      SHA512

      d122530a31fe196711a12bfd458b211662a0fb44cc1eadaf97c91160ad9e0de094660bc93c3e05b1be15b9ed3ffffd2c915ad4b934c43b69b442c4c455b99dbb

      Download Submit

    • C:\Windows\svckpbihimoj.exe
      Filesize

      360KB

      MD5

      7ef2ee7c53fe41db4e1b17674ceab984

      SHA1

      e961deef333563a226b7214799e92d1f51895c5a

      SHA256

      58ff230560bfeb0c5bd9d3fb7654e4ad5d38ce3962782da698331c8ecfa459db

      SHA512

      d122530a31fe196711a12bfd458b211662a0fb44cc1eadaf97c91160ad9e0de094660bc93c3e05b1be15b9ed3ffffd2c915ad4b934c43b69b442c4c455b99dbb

      Download Submit

    • C:\Windows\svckpbihimoj.exe
      Filesize

      360KB

      MD5

      7ef2ee7c53fe41db4e1b17674ceab984

      SHA1

      e961deef333563a226b7214799e92d1f51895c5a

      SHA256

      58ff230560bfeb0c5bd9d3fb7654e4ad5d38ce3962782da698331c8ecfa459db

      SHA512

      d122530a31fe196711a12bfd458b211662a0fb44cc1eadaf97c91160ad9e0de094660bc93c3e05b1be15b9ed3ffffd2c915ad4b934c43b69b442c4c455b99dbb

      Download Submit

    • memory/516-138-0x0000000000000000-mapping.dmp

      Download

    • memory/2356-150-0x0000000000000000-mapping.dmp

      Download

    • memory/2556-142-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2556-132-0x0000000000000000-mapping.dmp

      Download

    • memory/2556-133-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2556-134-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2556-136-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2556-137-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/3140-135-0x0000000000B10000-0x0000000000B13000-memory.dmp

      Filesize

      12KB

      Download

    • memory/3140-130-0x0000000000B10000-0x0000000000B13000-memory.dmp

      Filesize

      12KB

      Download

    • memory/3140-131-0x0000000000B10000-0x0000000000B13000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4136-143-0x0000000000000000-mapping.dmp

      Download

    • memory/4136-147-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4136-146-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4136-148-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4136-149-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4348-141-0x0000000000000000-mapping.dmp

      Download