Analysis

  • max time kernel
    151s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 13:49

General

  • Target

    af1150b6bc76db56a05401c3b6dcb5ec5bef272f0dca74725a7618126f4e4e6e.exe

  • Size

    380KB

  • MD5

    09d90808ed7d4e9e7738fead37273b54

  • SHA1

    17fff1085882a35f656515805bde691da1730c08

  • SHA256

    af1150b6bc76db56a05401c3b6dcb5ec5bef272f0dca74725a7618126f4e4e6e

  • SHA512

    e29879105ceaa1a04d3498c495df8c699512626ffd9243216bbb98d653a9c3ad013ad79fa2a86767b671427fa62a55c82c54033ef70581d9f7eb6c86cea33ac4

  • SSDEEP

    6144:DjNn/yINdVCIlr7m7H6+OWiWlAam4REDEAAYVKeYfqzDyGKM9bifvDNWT5kwhQWw:HU8exTIWlKiEDkveYfqzHw7IT5kwKWce

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2292972927-2705560509-2768824231-1000\Recovery+icviv.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/57259E3AB0677E6B 2. http://tes543berda73i48fsdfsd.keratadze.at/57259E3AB0677E6B 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/57259E3AB0677E6B 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/57259E3AB0677E6B 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/57259E3AB0677E6B http://tes543berda73i48fsdfsd.keratadze.at/57259E3AB0677E6B http://tt54rfdjhb34rfbnknaerg.milerteddy.com/57259E3AB0677E6B *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/57259E3AB0677E6B
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/57259E3AB0677E6B

http://tes543berda73i48fsdfsd.keratadze.at/57259E3AB0677E6B

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/57259E3AB0677E6B

http://xlowfznrg4wf7dli.ONION/57259E3AB0677E6B

Signatures

  • TeslaCrypt, AlphaCrypt

    Ransomware based on CryptoLocker. Shut down by the developers in 2016.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 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 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af1150b6bc76db56a05401c3b6dcb5ec5bef272f0dca74725a7618126f4e4e6e.exe
    "C:\Users\Admin\AppData\Local\Temp\af1150b6bc76db56a05401c3b6dcb5ec5bef272f0dca74725a7618126f4e4e6e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:328
    • C:\Users\Admin\AppData\Local\Temp\af1150b6bc76db56a05401c3b6dcb5ec5bef272f0dca74725a7618126f4e4e6e.exe
      "C:\Users\Admin\AppData\Local\Temp\af1150b6bc76db56a05401c3b6dcb5ec5bef272f0dca74725a7618126f4e4e6e.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Windows\lkhjsfabdtad.exe
        C:\Windows\lkhjsfabdtad.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Windows\lkhjsfabdtad.exe
          C:\Windows\lkhjsfabdtad.exe
          4⤵
          • 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:1716
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1496
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\AF1150~1.EXE
        3⤵
        • Deletes itself
        PID:996
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\lkhjsfabdtad.exe

    Filesize

    380KB

    MD5

    09d90808ed7d4e9e7738fead37273b54

    SHA1

    17fff1085882a35f656515805bde691da1730c08

    SHA256

    af1150b6bc76db56a05401c3b6dcb5ec5bef272f0dca74725a7618126f4e4e6e

    SHA512

    e29879105ceaa1a04d3498c495df8c699512626ffd9243216bbb98d653a9c3ad013ad79fa2a86767b671427fa62a55c82c54033ef70581d9f7eb6c86cea33ac4

  • C:\Windows\lkhjsfabdtad.exe

    Filesize

    380KB

    MD5

    09d90808ed7d4e9e7738fead37273b54

    SHA1

    17fff1085882a35f656515805bde691da1730c08

    SHA256

    af1150b6bc76db56a05401c3b6dcb5ec5bef272f0dca74725a7618126f4e4e6e

    SHA512

    e29879105ceaa1a04d3498c495df8c699512626ffd9243216bbb98d653a9c3ad013ad79fa2a86767b671427fa62a55c82c54033ef70581d9f7eb6c86cea33ac4

  • C:\Windows\lkhjsfabdtad.exe

    Filesize

    380KB

    MD5

    09d90808ed7d4e9e7738fead37273b54

    SHA1

    17fff1085882a35f656515805bde691da1730c08

    SHA256

    af1150b6bc76db56a05401c3b6dcb5ec5bef272f0dca74725a7618126f4e4e6e

    SHA512

    e29879105ceaa1a04d3498c495df8c699512626ffd9243216bbb98d653a9c3ad013ad79fa2a86767b671427fa62a55c82c54033ef70581d9f7eb6c86cea33ac4

  • memory/328-54-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

    Filesize

    8KB

  • memory/328-55-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB

  • memory/328-69-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB

  • memory/1716-96-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1716-95-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1716-97-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-63-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-73-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-72-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-71-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-78-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-66-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-64-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-61-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-59-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-57-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2044-56-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB