Overview

overview

10

Static

static

09f36ab633...44.exe

windows7-x64

1

09f36ab633...44.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    11s
  • max time network
    15s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2022 07:18

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General

  • Target

    09f36ab633d5ecc1b59034f35d11bf3bd3507c780f9afea683dce83627c2a444.exe

  • Size

    424KB

  • MD5

    77524130a695886729d39028a0540b30

  • SHA1

    5282ecada34607c247d9579abf6e8afc37ec45f8

  • SHA256

    09f36ab633d5ecc1b59034f35d11bf3bd3507c780f9afea683dce83627c2a444

  • SHA512

    ac1775c2155c498ec411ba39d0d1a9a4488b1047e2939fbd1ec5eb62788fb1f77ece800ca22435601459d4332f0e8577a091efe7d6b60689c292d837451da140

  • SSDEEP

    12288:XqEXeMVG+C7QP2sFZ1u2iW4ZJSPhgYblCJxfS6:aEXeCG+uOLFDId2PhggOR1

Score
10/10
teslacryptpersistenceransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-929662420-1054238289-2961194603-1000\_RECoVERY_+dijgx.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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/E05325F9A1797090 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/E05325F9A1797090 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/E05325F9A1797090 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/E05325F9A1797090 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/E05325F9A1797090 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/E05325F9A1797090 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/E05325F9A1797090 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/E05325F9A1797090
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/E05325F9A1797090

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/E05325F9A1797090

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/E05325F9A1797090

http://xlowfznrg4wf7dli.ONION/E05325F9A1797090

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 34 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\09f36ab633d5ecc1b59034f35d11bf3bd3507c780f9afea683dce83627c2a444.exe
    "C:\Users\Admin\AppData\Local\Temp\09f36ab633d5ecc1b59034f35d11bf3bd3507c780f9afea683dce83627c2a444.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\kbnuarqoykmn.exe
      C:\Windows\kbnuarqoykmn.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:5048
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1444
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\09F36A~1.EXE
      2⤵
        PID:4212
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4228

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\kbnuarqoykmn.exe
      Filesize

      424KB

      MD5

      77524130a695886729d39028a0540b30

      SHA1

      5282ecada34607c247d9579abf6e8afc37ec45f8

      SHA256

      09f36ab633d5ecc1b59034f35d11bf3bd3507c780f9afea683dce83627c2a444

      SHA512

      ac1775c2155c498ec411ba39d0d1a9a4488b1047e2939fbd1ec5eb62788fb1f77ece800ca22435601459d4332f0e8577a091efe7d6b60689c292d837451da140

      Download Submit

    • C:\Windows\kbnuarqoykmn.exe
      Filesize

      424KB

      MD5

      77524130a695886729d39028a0540b30

      SHA1

      5282ecada34607c247d9579abf6e8afc37ec45f8

      SHA256

      09f36ab633d5ecc1b59034f35d11bf3bd3507c780f9afea683dce83627c2a444

      SHA512

      ac1775c2155c498ec411ba39d0d1a9a4488b1047e2939fbd1ec5eb62788fb1f77ece800ca22435601459d4332f0e8577a091efe7d6b60689c292d837451da140

      Download Submit

    • memory/1284-135-0x0000000000400000-0x00000000004AD000-memory.dmp

      Filesize

      692KB

      Download

    • memory/1284-139-0x0000000002280000-0x0000000002305000-memory.dmp

      Filesize

      532KB

      Download

    • memory/5048-143-0x00000000021B0000-0x0000000002235000-memory.dmp

      Filesize

      532KB

      Download