Overview

overview

10

Static

static

5ccd792bd2...21.exe

windows7-x64

10

5ccd792bd2...21.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    145s
  • 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 05:15

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General

  • Target

    5ccd792bd2288d32bf5ab28b6be3aa6ba5c0a74fdecc236c8f64abcbbf5b2021.exe

  • Size

    374KB

  • MD5

    66cf2f53a28aa0f168abb241dc6467d2

  • SHA1

    7709554dbfcab5afe50d2a94d6c94d7913337368

  • SHA256

    5ccd792bd2288d32bf5ab28b6be3aa6ba5c0a74fdecc236c8f64abcbbf5b2021

  • SHA512

    92f4e85ebc70bf3d625cf3a672c42a50ac105fe1498d4a2078c2bb1757f50b59b84ce0c68443e68a5d113f9ed90eca53c195016b85461a8f75f34baf552633b8

Score
10/10
teslacryptpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2660308776-3705150086-26593515-1000\_RECoVERY_+ofoty.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/D28F1A08BF15C47 2. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/D28F1A08BF15C47 3. http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/D28F1A08BF15C47 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/D28F1A08BF15C47 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://yyre45dbvn2nhbefbmh.begumvelic.at/D28F1A08BF15C47 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/D28F1A08BF15C47 http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/D28F1A08BF15C47 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/D28F1A08BF15C47
URLs

http://yyre45dbvn2nhbefbmh.begumvelic.at/D28F1A08BF15C47

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/D28F1A08BF15C47

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/D28F1A08BF15C47

http://xlowfznrg4wf7dli.ONION/D28F1A08BF15C47

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.

  • 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 26 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ccd792bd2288d32bf5ab28b6be3aa6ba5c0a74fdecc236c8f64abcbbf5b2021.exe
    "C:\Users\Admin\AppData\Local\Temp\5ccd792bd2288d32bf5ab28b6be3aa6ba5c0a74fdecc236c8f64abcbbf5b2021.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Users\Admin\AppData\Local\Temp\5ccd792bd2288d32bf5ab28b6be3aa6ba5c0a74fdecc236c8f64abcbbf5b2021.exe
      "C:\Users\Admin\AppData\Local\Temp\5ccd792bd2288d32bf5ab28b6be3aa6ba5c0a74fdecc236c8f64abcbbf5b2021.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Windows\gnxpgquprjum.exe
        C:\Windows\gnxpgquprjum.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1788
        • C:\Windows\gnxpgquprjum.exe
          C:\Windows\gnxpgquprjum.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:2464
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4464
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\5CCD79~1.EXE
        3⤵
          PID:3800
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:224

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\gnxpgquprjum.exe
      Filesize

      374KB

      MD5

      66cf2f53a28aa0f168abb241dc6467d2

      SHA1

      7709554dbfcab5afe50d2a94d6c94d7913337368

      SHA256

      5ccd792bd2288d32bf5ab28b6be3aa6ba5c0a74fdecc236c8f64abcbbf5b2021

      SHA512

      92f4e85ebc70bf3d625cf3a672c42a50ac105fe1498d4a2078c2bb1757f50b59b84ce0c68443e68a5d113f9ed90eca53c195016b85461a8f75f34baf552633b8

      Download Submit

    • C:\Windows\gnxpgquprjum.exe
      Filesize

      374KB

      MD5

      66cf2f53a28aa0f168abb241dc6467d2

      SHA1

      7709554dbfcab5afe50d2a94d6c94d7913337368

      SHA256

      5ccd792bd2288d32bf5ab28b6be3aa6ba5c0a74fdecc236c8f64abcbbf5b2021

      SHA512

      92f4e85ebc70bf3d625cf3a672c42a50ac105fe1498d4a2078c2bb1757f50b59b84ce0c68443e68a5d113f9ed90eca53c195016b85461a8f75f34baf552633b8

      Download Submit

    • C:\Windows\gnxpgquprjum.exe
      Filesize

      374KB

      MD5

      66cf2f53a28aa0f168abb241dc6467d2

      SHA1

      7709554dbfcab5afe50d2a94d6c94d7913337368

      SHA256

      5ccd792bd2288d32bf5ab28b6be3aa6ba5c0a74fdecc236c8f64abcbbf5b2021

      SHA512

      92f4e85ebc70bf3d625cf3a672c42a50ac105fe1498d4a2078c2bb1757f50b59b84ce0c68443e68a5d113f9ed90eca53c195016b85461a8f75f34baf552633b8

      Download Submit

    • memory/1788-137-0x0000000000000000-mapping.dmp

      Download

    • memory/2464-142-0x0000000000000000-mapping.dmp

      Download

    • memory/2464-145-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2464-149-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2464-147-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2464-146-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2716-133-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2716-141-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2716-131-0x0000000000000000-mapping.dmp

      Download

    • memory/2716-132-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2716-135-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2716-136-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/3800-140-0x0000000000000000-mapping.dmp

      Download

    • memory/4384-130-0x0000000000870000-0x0000000000873000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4384-134-0x0000000000870000-0x0000000000873000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4464-148-0x0000000000000000-mapping.dmp

      Download