Overview

overview

10

Static

static

5207a70e0e...4f.exe

windows7-x64

10

5207a70e0e...4f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-07-2022 04:19

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General

  • Target

    5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f.exe

  • Size

    384KB

  • MD5

    8736b31e13bcd6e154dd6ad39b839f8c

  • SHA1

    9135b9746cb37636cd26cbcc73ffd0451a34b426

  • SHA256

    5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f

  • SHA512

    1f8a4ca3b1d33e6208e45c8f42fa1650dd1b97162b499053cc45c034dc87f4d03448a4289d9efbc64bd0e135b7cb597036311dd0f5c763dd6ced6f36ac6a01bf

Score
10/10
teslacryptpersistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1809750270-3141839489-3074374771-1000\Recovery+itkes.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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/EDC3712793B42548 2. http://tes543berda73i48fsdfsd.keratadze.at/EDC3712793B42548 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/EDC3712793B42548 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/EDC3712793B42548 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/EDC3712793B42548 http://tes543berda73i48fsdfsd.keratadze.at/EDC3712793B42548 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/EDC3712793B42548 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/EDC3712793B42548
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/EDC3712793B42548

http://tes543berda73i48fsdfsd.keratadze.at/EDC3712793B42548

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/EDC3712793B42548

http://xlowfznrg4wf7dli.ONION/EDC3712793B42548

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.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • 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 28 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f.exe
    "C:\Users\Admin\AppData\Local\Temp\5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Users\Admin\AppData\Local\Temp\5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f.exe
      "C:\Users\Admin\AppData\Local\Temp\5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\pkqxdwdbvbin.exe
        C:\Windows\pkqxdwdbvbin.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Windows\pkqxdwdbvbin.exe
          C:\Windows\pkqxdwdbvbin.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:3816
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:984
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\5207A7~1.EXE
        3⤵
          PID:3028
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1608

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\pkqxdwdbvbin.exe
      Filesize

      384KB

      MD5

      8736b31e13bcd6e154dd6ad39b839f8c

      SHA1

      9135b9746cb37636cd26cbcc73ffd0451a34b426

      SHA256

      5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f

      SHA512

      1f8a4ca3b1d33e6208e45c8f42fa1650dd1b97162b499053cc45c034dc87f4d03448a4289d9efbc64bd0e135b7cb597036311dd0f5c763dd6ced6f36ac6a01bf

      Download Submit

    • C:\Windows\pkqxdwdbvbin.exe
      Filesize

      384KB

      MD5

      8736b31e13bcd6e154dd6ad39b839f8c

      SHA1

      9135b9746cb37636cd26cbcc73ffd0451a34b426

      SHA256

      5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f

      SHA512

      1f8a4ca3b1d33e6208e45c8f42fa1650dd1b97162b499053cc45c034dc87f4d03448a4289d9efbc64bd0e135b7cb597036311dd0f5c763dd6ced6f36ac6a01bf

      Download Submit

    • C:\Windows\pkqxdwdbvbin.exe
      Filesize

      384KB

      MD5

      8736b31e13bcd6e154dd6ad39b839f8c

      SHA1

      9135b9746cb37636cd26cbcc73ffd0451a34b426

      SHA256

      5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f

      SHA512

      1f8a4ca3b1d33e6208e45c8f42fa1650dd1b97162b499053cc45c034dc87f4d03448a4289d9efbc64bd0e135b7cb597036311dd0f5c763dd6ced6f36ac6a01bf

      Download Submit

    • memory/3668-140-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/3668-142-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/3668-135-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/3668-133-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/3668-134-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/3816-147-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/3816-146-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/3816-148-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/3816-150-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4236-130-0x00000000021F0000-0x00000000021F3000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4236-136-0x00000000021F0000-0x00000000021F3000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4236-131-0x00000000021F0000-0x00000000021F3000-memory.dmp

      Filesize

      12KB

      Download