Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    14-04-2021 18:10

General

  • Target

    6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe

  • Size

    120KB

  • MD5

    18e958c8975f67d02d3e6e4a269c2e08

  • SHA1

    f03b3b2777ce07fd68b7d242c7355c93748f86af

  • SHA256

    6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d

  • SHA512

    3c74d8d13611565d9334cd80ebb3f010606edb30df17f1a052469e14b3df915dddc28bb9c1d99984cd2a610650e8dd7e4cb77f85f7730a833d2f8ed5cdadbdbf

Malware Config

Extracted

Path

C:\9438anusxz-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 9438anusxz. 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/E6307FCD73386587 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://decoder.re/E6307FCD73386587 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: YN0384rOjV/1WtS/eZCAvAq3KXM3dqWSXGi69EQyhtFAY0LqcK0mDIpIgC2er6Oc xZ/qwZfvK7z+ikI2Yvo/33ShYyNplVYLVUyEdpqwodsqnSFBjO5HUTQprT7EfGrp tATrOtk9RsyHzQ2PsC2KQN+ofPSpvs63QHjtgWYpHxM5+U1doe4+KUQ9lQzN2sCg HceZdAH+qS2qnh0OPqu+2TYld1vzoE519Er51Xh7UYHBg2kuftLk8j4PTaUXXqh4 QxP+ltZ8UjxmOAOHvPjEyu3/ME0vMhvZFQnI7QFVWK4r3fR14c4idwYFZ9N0bWFA z9COLT0qjz1aIcEfIcXggDXrZvEZOmE6sXoTPs9fWY5iRDXb3aUja8Q369wwjq/w 1W+t7L0k2Zg22ywzaNjVgTxWbxSektnOdBwHqLlBtfq7W5QmR9cRGZDUfvcoQ3iG 8a9BO6fgYWyJDk0skKDF1X9RIOXhUyRq/l+6G5/iZkNQSUstM39keXHOKDwZUU5L WwGQmXMk1zk8ZYcGsIFJL/r+fVdNYXpXU/pbQblXx4IuL6Wlxcqa5t5R81AOG2Z4 dX+SHrKovsCFM9Wdl9AH0qmiNbWAmhgKiISYABG+FhJkRvhOfBSu/yp5SMzmSDOd 5CnL54Cewo6Eb9JCroaSC6mzE2+p1y8neIWk2ORmA4+MPlYj4T9lwEyIbrQzZE5u q1r4hjgfC5vZ2ZhDGWd9h8nutMFp9uoejjldJPpPboO2SCOqTLs4r/n+ezcg71NF D2p6ArVYYkQehUOaK6lF329WO+AhKWcKwn3Wt+kQvn/Fh2zggpN2MiajO9t+K/JE 0sgZTxtSpl8DIi+C7FJ60cqSVU50XrTlcH/v3QolOZr4z6B0iLK32e9/mUgssM5U 8Bg3xcsNKbqPQCyBtMl72aCarxCgapZgGSsxD3tGTV08IyWMyJijt8cAHhfTny/J qh7clBRYF8tpjVi46pHXLHuq4TKhDg7uMbFJ/ZHrm2iNLogMP2oRfUT5JQnQIuvf N/ZudEdo+x9uXWFlqr8gpNAeI+50tAVB4GjH83SM5E8fbZl6Gbe5lHNVrx9NjNzF j447ZT1zGITHD/RFbyy3DwZSQQ7XuA/workPV96yFbvwqlCr9znRkM4O000pASj9 tK1T+xrqYdjIYC2fYxE6IgB92+8fk6vNTrDQ7EzvEY6leNmnkx+xNDODoGlpj+DO SDg4AIs/avHmAb7semFAHbHMRm4sYq4/DE85zf4XVIJpCITu8f4lc2xA5KS1hk7B UpJe2uNtTiiyDy8zPZg= ----------------------------------------------------------------------------------------- !!! 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/E6307FCD73386587

http://decoder.re/E6307FCD73386587

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 20 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe
    "C:\Users\Admin\AppData\Local\Temp\6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe"
    1⤵
    • 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
    PID:668
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2940
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2752

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Impact

    Defacement

    1
    T1491

    Replay Monitor

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    Downloads