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Overview

overview

10

Static

static

35d1fa7fef...0e.exe

windows7_x64

10

35d1fa7fef...0e.exe

windows10-2004_x64

3

Resubmissions

27/06/2022, 01:03

220627-bevbpaadc9 10

26/06/2022, 22:58

220626-2xxsmsfga3 10

Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26/06/2022, 22:58

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General

  • Target

    35d1fa7feffeb02de85e5726deb2c229d45ef193a1684afd97faeb01f1166e0e.exe

  • Size

    240KB

  • MD5

    180332aa8761749cb03a06e000e614f2

  • SHA1

    4be7216002a0b13c2c7772728e1c0047f5d39f85

  • SHA256

    35d1fa7feffeb02de85e5726deb2c229d45ef193a1684afd97faeb01f1166e0e

  • SHA512

    838b214cca0aa92987e01cb83aeabe5f5d404dc9d90332fee869c42883abe27a59f4e06c4939502f51ae8ac358f24f2ec866317fb52baea0e415b3ed383c61be

Score
10/10
teslacryptpersistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1083475884-596052423-1669053738-1000\Recovery+ktamn.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/0CCB4172AF1DE73 2. http://tes543berda73i48fsdfsd.keratadze.at/0CCB4172AF1DE73 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/0CCB4172AF1DE73 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/0CCB4172AF1DE73 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/0CCB4172AF1DE73 http://tes543berda73i48fsdfsd.keratadze.at/0CCB4172AF1DE73 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/0CCB4172AF1DE73 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/0CCB4172AF1DE73
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/0CCB4172AF1DE73

http://tes543berda73i48fsdfsd.keratadze.at/0CCB4172AF1DE73

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/0CCB4172AF1DE73

http://xlowfznrg4wf7dli.ONION/0CCB4172AF1DE73

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 1 IoCs
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Deletes itself 1 IoCs
  • Drops startup file 3 IoCs
  • 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
  • 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.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies system certificate store 2 TTPs 6 IoCs
    evasionspywaretrojan
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\35d1fa7feffeb02de85e5726deb2c229d45ef193a1684afd97faeb01f1166e0e.exe
    "C:\Users\Admin\AppData\Local\Temp\35d1fa7feffeb02de85e5726deb2c229d45ef193a1684afd97faeb01f1166e0e.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\wrhhprcawhef.exe
      C:\Windows\wrhhprcawhef.exe
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Drops startup file
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1788
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:676
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\RECOVERY.TXT
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:1576
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\RECOVERY.HTM
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1148
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1148 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:900
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1084
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Windows\WRHHPR~1.EXE
        3⤵
          PID:1604
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\35D1FA~1.EXE
        2⤵
        • Deletes itself
        PID:1828
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:688
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:1176

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Desktop\RECOVERY.HTM
      Filesize

      11KB

      MD5

      c2d08ed1fcbb74ca0cd441b52a0b96f8

      SHA1

      2cb2f4822807fceb643e70ec808f58d1dd15295d

      SHA256

      c83f6f97eec4a6b8a25731473454b3a657977b2321ef0800db86cad8877b8300

      SHA512

      e61034875aa31420fb100efa7c4ed19b9161712f765823fa83a9c208c8fe2ae059fe72120adbe662c398b64979c6fe411ab9c14825939913e8b02baf9e3673dc

      Download Submit

    • C:\Users\Admin\Desktop\RECOVERY.TXT
      Filesize

      1KB

      MD5

      c8bec1f49f8b864e3ee0a838948d60f3

      SHA1

      235e05c7c3328e6015e60349d88350e2ce219f5d

      SHA256

      25033e9b7f72bbb5a7e2bf89b93883726839e1dadf7067ba21e24d08d68b4e22

      SHA512

      3790da38e77a9cb8c42c8b3f85e9b7156b69287db146e1517c6aa960d5d3782eef5dd029ffedb053c561d53af41c7f266159211b5ef92954fb5f335b0016d3af

      Download Submit

    • C:\Users\Admin\Desktop\RECOVERY.png
      Filesize

      62KB

      MD5

      7b898e710edf21e02b2b8a4c9221692e

      SHA1

      cf72305681387ada536265b6cfc413a17baa9dfd

      SHA256

      8ffbc8c44623bfe9d3f1ef6d23d6acfb641c2df3207de55332401de05f4a2bc9

      SHA512

      0a9ce957234b98612189d2168467727b5711deb59e92da10094b280a8b14a4d24fb3cf1f61b55ea6cdd32a927f4f0919c08f6357167fae9cd817e06218905691

      Download Submit

    • C:\Windows\wrhhprcawhef.exe
      Filesize

      240KB

      MD5

      180332aa8761749cb03a06e000e614f2

      SHA1

      4be7216002a0b13c2c7772728e1c0047f5d39f85

      SHA256

      35d1fa7feffeb02de85e5726deb2c229d45ef193a1684afd97faeb01f1166e0e

      SHA512

      838b214cca0aa92987e01cb83aeabe5f5d404dc9d90332fee869c42883abe27a59f4e06c4939502f51ae8ac358f24f2ec866317fb52baea0e415b3ed383c61be

      Download Submit

    • C:\Windows\wrhhprcawhef.exe
      Filesize

      240KB

      MD5

      180332aa8761749cb03a06e000e614f2

      SHA1

      4be7216002a0b13c2c7772728e1c0047f5d39f85

      SHA256

      35d1fa7feffeb02de85e5726deb2c229d45ef193a1684afd97faeb01f1166e0e

      SHA512

      838b214cca0aa92987e01cb83aeabe5f5d404dc9d90332fee869c42883abe27a59f4e06c4939502f51ae8ac358f24f2ec866317fb52baea0e415b3ed383c61be

      Download Submit

    • memory/1788-62-0x0000000000400000-0x000000000048F000-memory.dmp

      Filesize

      572KB

      Download

    • memory/1788-64-0x0000000000400000-0x000000000048F000-memory.dmp

      Filesize

      572KB

      Download

    • memory/1788-74-0x0000000000400000-0x000000000048F000-memory.dmp

      Filesize

      572KB

      Download

    • memory/2044-61-0x0000000000400000-0x000000000048F000-memory.dmp

      Filesize

      572KB

      Download

    • memory/2044-54-0x0000000075841000-0x0000000075843000-memory.dmp

      Filesize

      8KB

      Download

    • memory/2044-56-0x0000000000400000-0x000000000048F000-memory.dmp

      Filesize

      572KB

      Download

    • memory/2044-55-0x00000000003B0000-0x00000000003DE000-memory.dmp

      Filesize

      184KB

      Download