Overview

overview

10

Static

static

a9401d52ba...85.exe

windows7-x64

10

a9401d52ba...85.exe

windows10-2004-x64

1

Analysis

  • max time kernel
    152s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2022 13:29

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General

  • Target

    a9401d52ba62b218245100c6343448040eac43934476fd1fc7c14dbc8f5a6185.exe

  • Size

    384KB

  • MD5

    6eb1c8fb571684bd3d219b963fad3d6f

  • SHA1

    b9205cd714e320fbac5f8c22171d40cc005a26ab

  • SHA256

    a9401d52ba62b218245100c6343448040eac43934476fd1fc7c14dbc8f5a6185

  • SHA512

    c65072e68066bf503ffae0605c56ecc86142c0d72cd14367a3c9237725ef2705b58d14f78abc31795d6fec691737a9562c8c48075ca6e3e614824be8b1278cde

  • SSDEEP

    6144:5NcjGIJMerRAOEYIAZ6enYlFXENKtamXUIecJw+y9Mn8c8O0lb4oI:w1JfVaT7JlF00Rex9M13oI

Score
10/10
teslacryptpersistenceransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2292972927-2705560509-2768824231-1000\Recovery+xstrf.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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/F663808E1B65445 2. http://tes543berda73i48fsdfsd.keratadze.at/F663808E1B65445 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/F663808E1B65445 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/F663808E1B65445 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/F663808E1B65445 http://tes543berda73i48fsdfsd.keratadze.at/F663808E1B65445 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/F663808E1B65445 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/F663808E1B65445
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/F663808E1B65445

http://tes543berda73i48fsdfsd.keratadze.at/F663808E1B65445

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/F663808E1B65445

http://xlowfznrg4wf7dli.ONION/F663808E1B65445

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
  • Deletes itself 1 IoCs
  • 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 45 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9401d52ba62b218245100c6343448040eac43934476fd1fc7c14dbc8f5a6185.exe
    "C:\Users\Admin\AppData\Local\Temp\a9401d52ba62b218245100c6343448040eac43934476fd1fc7c14dbc8f5a6185.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\laejuvtmcuia.exe
      C:\Windows\laejuvtmcuia.exe
      2⤵
      • Executes dropped EXE
      • 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:944
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:584
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\A9401D~1.EXE
      2⤵
      • Deletes itself
      PID:1200
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\laejuvtmcuia.exe
    Filesize

    384KB

    MD5

    6eb1c8fb571684bd3d219b963fad3d6f

    SHA1

    b9205cd714e320fbac5f8c22171d40cc005a26ab

    SHA256

    a9401d52ba62b218245100c6343448040eac43934476fd1fc7c14dbc8f5a6185

    SHA512

    c65072e68066bf503ffae0605c56ecc86142c0d72cd14367a3c9237725ef2705b58d14f78abc31795d6fec691737a9562c8c48075ca6e3e614824be8b1278cde

    Download Submit

  • C:\Windows\laejuvtmcuia.exe
    Filesize

    384KB

    MD5

    6eb1c8fb571684bd3d219b963fad3d6f

    SHA1

    b9205cd714e320fbac5f8c22171d40cc005a26ab

    SHA256

    a9401d52ba62b218245100c6343448040eac43934476fd1fc7c14dbc8f5a6185

    SHA512

    c65072e68066bf503ffae0605c56ecc86142c0d72cd14367a3c9237725ef2705b58d14f78abc31795d6fec691737a9562c8c48075ca6e3e614824be8b1278cde

    Download Submit

  • memory/944-62-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/944-64-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/2004-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2004-55-0x00000000003D0000-0x00000000003FE000-memory.dmp

    Filesize

    184KB

    Download

  • memory/2004-56-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download

  • memory/2004-61-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

    Download