Overview

overview

10

Static

static

5207a70e0e...4f.exe

windows7-x64

10

5207a70e0e...4f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-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
teslacryptpersistenceransomwaresuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3440072777-2118400376-1759599358-1000\Recovery+qwtxb.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/89ADEA588123906B 2. http://tes543berda73i48fsdfsd.keratadze.at/89ADEA588123906B 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/89ADEA588123906B 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/89ADEA588123906B 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/89ADEA588123906B http://tes543berda73i48fsdfsd.keratadze.at/89ADEA588123906B http://tt54rfdjhb34rfbnknaerg.milerteddy.com/89ADEA588123906B *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/89ADEA588123906B
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/89ADEA588123906B

http://tes543berda73i48fsdfsd.keratadze.at/89ADEA588123906B

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/89ADEA588123906B

http://xlowfznrg4wf7dli.ONION/89ADEA588123906B

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
  • Deletes itself 1 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 4 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 34 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:1820
    • C:\Users\Admin\AppData\Local\Temp\5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f.exe
      "C:\Users\Admin\AppData\Local\Temp\5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Windows\wrxlpvtvdyci.exe
        C:\Windows\wrxlpvtvdyci.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2008
        • C:\Windows\wrxlpvtvdyci.exe
          C:\Windows\wrxlpvtvdyci.exe
          4⤵
          • Executes dropped EXE
          • 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:1692
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:972
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\5207A7~1.EXE
        3⤵
        • Deletes itself
        PID:1728
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1364

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\wrxlpvtvdyci.exe
    Filesize

    384KB

    MD5

    8736b31e13bcd6e154dd6ad39b839f8c

    SHA1

    9135b9746cb37636cd26cbcc73ffd0451a34b426

    SHA256

    5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f

    SHA512

    1f8a4ca3b1d33e6208e45c8f42fa1650dd1b97162b499053cc45c034dc87f4d03448a4289d9efbc64bd0e135b7cb597036311dd0f5c763dd6ced6f36ac6a01bf

    Download Submit

  • C:\Windows\wrxlpvtvdyci.exe
    Filesize

    384KB

    MD5

    8736b31e13bcd6e154dd6ad39b839f8c

    SHA1

    9135b9746cb37636cd26cbcc73ffd0451a34b426

    SHA256

    5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f

    SHA512

    1f8a4ca3b1d33e6208e45c8f42fa1650dd1b97162b499053cc45c034dc87f4d03448a4289d9efbc64bd0e135b7cb597036311dd0f5c763dd6ced6f36ac6a01bf

    Download Submit

  • C:\Windows\wrxlpvtvdyci.exe
    Filesize

    384KB

    MD5

    8736b31e13bcd6e154dd6ad39b839f8c

    SHA1

    9135b9746cb37636cd26cbcc73ffd0451a34b426

    SHA256

    5207a70e0e818741279d7c25c0d9cb6be136a4fc8ca8fe6f48112c4d0572d64f

    SHA512

    1f8a4ca3b1d33e6208e45c8f42fa1650dd1b97162b499053cc45c034dc87f4d03448a4289d9efbc64bd0e135b7cb597036311dd0f5c763dd6ced6f36ac6a01bf

    Download Submit

  • memory/1692-96-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1692-95-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1692-97-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1820-54-0x0000000000300000-0x0000000000303000-memory.dmp

    Filesize

    12KB

    Download

  • memory/1820-56-0x0000000000300000-0x0000000000303000-memory.dmp

    Filesize

    12KB

    Download

  • memory/1820-55-0x0000000076C01000-0x0000000076C03000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1820-69-0x0000000000300000-0x0000000000303000-memory.dmp

    Filesize

    12KB

    Download

  • memory/1960-62-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1960-73-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1960-72-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1960-78-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1960-67-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1960-65-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1960-64-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1960-60-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1960-58-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/1960-57-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download