Analysis

  • max time kernel
    174s
  • max time network
    203s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 01:53

General

  • Target

    6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe

  • Size

    210KB

  • MD5

    2c9b2855bdcb60d63bd9d859ca6218ce

  • SHA1

    d7b7ff92d28ef4e9981669a0b6d49145c21e6b38

  • SHA256

    6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e

  • SHA512

    8fb3ccfadc9d819de20e3cc22a12590a54a30b5929b1a7a06de560bf2cb752f84237601797a7569350384a26d0ed905d5708af0cfd041618afc9b225fbb4013a

Score
10/10

Malware Config

Extracted

Path

C:\9u62ekqx-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion 9u62ekqx. 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/E3E581375E86E560 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.top/E3E581375E86E560 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: zQXytC2U1Wc2TQDF4bY4jiOh7xXK2d7cMUNcPxk/aeT8sRgr6gk8WoOR2tRW1GOm 0g+ZN78Gr9duvCHv2pm5T8t+vMmtLkfNnyIph18OXaDFMyEx5vg6WpziILyGY7bF uH7kAwcOEUJWIgHnoy9CrOfe/F1dQG+HZuZaoV75cqWb4LDeiJ04C0UHugwVThqd iHVuXGUPmQvZMLdSFu3EpqCxKImN4fFAmLbUbRgDTllaPPKdDGDRiBMdpWxB43QA Xhy+TXd72cp9DEMhOIvDgUAVI9pwlEXykcfb6Mp1vi++JyMeJSCkqtQRCKgRajGU q5DNZLrFzRrUU5NHeAomdl9aDQArwODTkLAOv92oVP7/GKJ+4CPEI9+ezedvQ50G /AjNwUsdcfJx1gRvlXsmXRLlaLab056D/3jlXmx/lkEa9omHWL0drDADUTSyziFM ZY/rVtGQpUuEyNqawCoceXvWdW95L6ut1o8wXJhcoJBLIlSFSFgFmpxs9n1mhpj4 BXcESdGIeOIz8em3VcWCETcTCm91qvdGrCDIke7Xqqo72vrmGkDViCbJWq4wAm2/ uy3usvj1as8k7MIt+ZzS0v3NrFQdcpSDx+4wkFNdrcMAxagpaz5XTCegJBthKGd2 H6d49lQ9Jz9VYcrjnY1kwocov6ItQeBKEGrUiyMqz43dOmeb2BQVq7eZF0oeRejU I/0M43R/e+xdCGFxo/Gmnh/NX1r+oSkmn51kaDjIL7XcGE4XERl6HeGc8LbAcOOy 1L8ZhhadFhT3ySBxo2/rEohxZPRU9uvMjC7AIdlcvSaPTBiriXNdQrCgXKAI2DRQ 4D/edJSiAicQx67XHfLDsyfGWNW1G45qWDA8NRGEEeLCQ5UgZXAlZArXXhfZ1W+v bWS+T3CseyXOdQHLzkx5Ag0dBka5/NtINsGcY5Qsg99VDmpa02thzvVdPoKvB/D0 6R6V8AgFWtWoFXh/utbOclYbAKq9uc3CWjXxZ+M8tHPEJWNC6EJvUsAhyJgw8sE8 m+fvjAxOISvTs2YtzqUa/a6iHhdonH70WKldU7+jjIK7uOYoO7NXkfFxHoOTSjEQ 0k5BvxDBE7TeeoOScuswo9NaPzRhjZs0e41o/IC9hj8GEVgqcVH/1cbwReo= Extension name: 9u62ekqx ----------------------------------------------------------------------------------------- !!! 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/E3E581375E86E560

http://decryptor.top/E3E581375E86E560

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops desktop.ini file(s) 26 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 25 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe
    "C:\Users\Admin\AppData\Local\Temp\6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1512
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1664
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:964

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    File Deletion

    2
    T1107

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Impact

    Inhibit System Recovery

    2
    T1490

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads