Overview

overview

10

Static

static

5ac4195efe...17.exe

windows7-x64

10

5ac4195efe...17.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    154s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2022 02:21

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General

  • Target

    5ac4195efe073d84ea88603e45d77a692783aa3f24add4bb078229047fd18c17.exe

  • Size

    364KB

  • MD5

    133177107c86588123cc36624ba8a4f3

  • SHA1

    cf472a1a5758f602cf6e9ca940d14e8709d3ea52

  • SHA256

    5ac4195efe073d84ea88603e45d77a692783aa3f24add4bb078229047fd18c17

  • SHA512

    2d30007f2b47d72315d9864408bca75d14fca4b1c5fe37754263ca6a64129792c3db7cb7be8952f595b9a78288446a53645fb2382843dd2a3282729da5d409ec

Score
10/10
teslacryptpersistenceransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3463845317-933582289-45817732-1000\_RECoVERY_+jomuy.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/BFBF3690AE49396E 2. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/BFBF3690AE49396E 3. http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/BFBF3690AE49396E 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/BFBF3690AE49396E 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://yyre45dbvn2nhbefbmh.begumvelic.at/BFBF3690AE49396E http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/BFBF3690AE49396E http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/BFBF3690AE49396E *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/BFBF3690AE49396E
URLs

http://yyre45dbvn2nhbefbmh.begumvelic.at/BFBF3690AE49396E

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/BFBF3690AE49396E

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/BFBF3690AE49396E

http://xlowfznrg4wf7dli.ONION/BFBF3690AE49396E

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ac4195efe073d84ea88603e45d77a692783aa3f24add4bb078229047fd18c17.exe
    "C:\Users\Admin\AppData\Local\Temp\5ac4195efe073d84ea88603e45d77a692783aa3f24add4bb078229047fd18c17.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:888
    • C:\Windows\vbjhbglsuced.exe
      C:\Windows\vbjhbglsuced.exe
      2⤵
      • 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:1104
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4132
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\5AC419~1.EXE
      2⤵
        PID:4136
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2688

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\vbjhbglsuced.exe
      Filesize

      364KB

      MD5

      133177107c86588123cc36624ba8a4f3

      SHA1

      cf472a1a5758f602cf6e9ca940d14e8709d3ea52

      SHA256

      5ac4195efe073d84ea88603e45d77a692783aa3f24add4bb078229047fd18c17

      SHA512

      2d30007f2b47d72315d9864408bca75d14fca4b1c5fe37754263ca6a64129792c3db7cb7be8952f595b9a78288446a53645fb2382843dd2a3282729da5d409ec

      Download Submit

    • C:\Windows\vbjhbglsuced.exe
      Filesize

      364KB

      MD5

      133177107c86588123cc36624ba8a4f3

      SHA1

      cf472a1a5758f602cf6e9ca940d14e8709d3ea52

      SHA256

      5ac4195efe073d84ea88603e45d77a692783aa3f24add4bb078229047fd18c17

      SHA512

      2d30007f2b47d72315d9864408bca75d14fca4b1c5fe37754263ca6a64129792c3db7cb7be8952f595b9a78288446a53645fb2382843dd2a3282729da5d409ec

      Download Submit

    • memory/888-132-0x0000000002310000-0x0000000002396000-memory.dmp

      Filesize

      536KB

      Download

    • memory/888-133-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

      Download

    • memory/888-145-0x0000000002310000-0x0000000002396000-memory.dmp

      Filesize

      536KB

      Download

    • memory/1104-137-0x0000000000000000-mapping.dmp

      Download

    • memory/1104-144-0x0000000002290000-0x0000000002316000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4132-147-0x0000000000000000-mapping.dmp

      Download

    • memory/4136-146-0x0000000000000000-mapping.dmp

      Download