Resubmissions

23-04-2021 13:55

210423-m31zr4wvn2 10

23-04-2021 13:43

210423-ej1p8y7brj 10

Analysis

  • max time kernel
    484s
  • max time network
    486s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    23-04-2021 13:55

General

  • Target

    08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe

  • Size

    121KB

  • MD5

    46a40ec6d39b7530830f3047cdebaa1b

  • SHA1

    a1540914b5ceb9e772ee5898e777f48e3cd57010

  • SHA256

    08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2

  • SHA512

    64d3bd219e939100612242a35d36db8636a18eb962ce174284359178b6abb29c957bb1a0083015b948ff17c30e01ddd46c12824a83d0698b03372effeae0aa12

Malware Config

Extracted

Path

C:\4j2z07mltq-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 4j2z07mltq. 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/F42768E394EB214D 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/F42768E394EB214D 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: 3Xwpz33dSGghLwbI0ZSWMvWTTm2eYlFQzjGbEvxYa4JX9KKv0ChrnBFWEVpAV2+h pGwfvwo6wwF5ov2i+3rhOE7mPa5EeJ7NFDpbCwhjBJMooYmcgXA4TbIWGn5q0gLy Du4FbpI0I4FZs0XbrTxyKMZOTm9Hb1hccyx3tykpu4MEWWQsT0OHMkxBh895yyM8 Ee2ozEiSu0tWwjdIl5onX0rrLz7V0GDo/U98FNvDRjx9bcgCrh+kR3arXo1fyyG8 h87J/uI98mqpFKb8hiAadSXpGzBhd5E76udeM35oknd5baPPjtn4ZYmXJvHdTbVu 4ddV+8BzJn/0z2XL6V0qKZnCcy3bC70j6XRiXP1z0NYwbpnqdYRNQaoyRnjMKmV+ Flr+j5Nq/qciMN+jVSFzrZ7mgaFqlbedjtAQZzwtlvxujPFECF6LKAn5FiNUeuZ4 h1MAciNfitxmQq+I0w5njbQQbfndES1Q8JBwfyPIlgtpfecZcAvIXVqGh+gVORji q3eEpjOQ6eNgzhOJuEIULGkxydMU0o2h7LKVJj4A4sPwqW97rpaFGI3QpiuBZrMD mS4GLfS3TT16t+IVHhMJapqAD/XRnm2HK8S1h5/W/q+xFIKPuLIOroSqfmVfADQN 9g00LFMutq4KYSOCCfpjv5P+MOTlVDqKoZbZC22lY71KlWxtV6JRuJ1r86aOudTu lrObQ2nNSkfdBfcquFeOI8oDSA58xx7LRR69S/iFek8gAGlAu6qYlJoaza700hj+ Qbw2BnQAvfd4r9lUxSm5QCnWtE+rTavPvhnU/kwDKbcFXGz0qzCkWYISGpITB0Xq 9HXk56VyF9rpBDaWlO9iGIbZFrGyGYepexW/MQOdhWtg1wQU0VmqRL2224KG8vgJ Tl1lNeSJ15uuuciJYN8mFgP9Wj8R9FobuFNrPSvo/MX5HEuuuQS/roSlDj2FdlDG UzRLtWCJ+UfWXthJuwOqOoX9FbrAhDZBeMYK+brOH3EYKI/1XietOALNEsS89COE Oj4VlO4//8e7w00EhlULAQ0EzBt12iTo6HIBqHQK6T9Y41v5i56LIvNUVB6+ipjS Z4bqCIe21EPpsh9P7Jk1jh54L2T6Qz1yF/+lhhJHmbnJQFbHw9C/3h4LWbPVhiHW ey5hTxYM4BKooaD/MwVY/DrhdOfNVzaTsGHwLi4rsF6HrzQXl3GJJ1HSgqgkkkcY kVX7SBfkcULH36dLoNcnga+z0xVB909PmpDYjxx5hIGIRCTubhatcHYTdOnleYvV EwTRsQvfYL0t1emwd98= ----------------------------------------------------------------------------------------- !!! 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/F42768E394EB214D

http://decoder.re/F42768E394EB214D

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 10 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 25 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.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:3172
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2760
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3972

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads