Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    06-05-2021 12:13

General

  • Target

    seu.exe

  • Size

    6.4MB

  • MD5

    bd3c693ecd17dcd9e60b08ab963121de

  • SHA1

    3480a1dbc4bcc1bb06a7fbdc82e892ec5ba3d6ab

  • SHA256

    8bd2067d088dad4df24e11244f5b72ce1fd22b686e2ce9ba6ee8711f8f6a836d

  • SHA512

    88a6cdd1435c85b288cc37bd6f15b82fe8619e00f439a0bf5f3411fd171a4c84a0e1e7c34261f7510dc2f92af3c14323b97e2efc47fc78e61b6db4d3865eed46

Malware Config

Extracted

Path

C:\o788z4m3-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 o788z4m3. 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/EDFE1427FC6CE50C 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/EDFE1427FC6CE50C 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: bXJBfg1WIZjzXyEGLN+g8izBGTljIjwcB0B/JQPz3FQCSuSZ9D4N2K3NHsJlEBG1 GteMZC2klSeRKfJ+K5cy4G2XoL099V1ZFCJ3jLlHhfuQAbxVw/eMQedj6Ha7mGqF Uc6SPdDqstlIpNTFXxS+16KqNc7Fq+1hCvdXfyKG9Ep5HJJFDbaf38yAkmpfcPkH rIc4kj3nJUWdjONC1B0j62otgIBlb1kCue+ZjULs9JEfExxhTv0j4rKI2uApY4A0 PE0AP1IgMl4DyGPz71hpOxEVD8lN0Gf0ssmV4oQRGhAgQoGV+QD5kmgc1s5KBWGK 5RTVR6UJ/WVmfS0n1rYYTqwGwpN6iC8zky06wIVreoxhjCw58l0FoZOPohvQoW0A Xqp1A/AtMMalkqlNz5+J7nOUrweUkPj07vGgZ52Mw7WVJ7a4dMon9n/kLePvrhGi euzsa6OaoctPaGGRtAKCfyheO1X189JsoaJFfgXwcZhbECb9J39VCfaZ9nKs/nqA Hh3qjjbrnFJVQa+FOYE/f7WLEro0RXuZBHgKtsSHao53Vcv/a/SIho1UT9ziPJHN ba1PKKbcCKr0ZH0EqLLrDY3sMcHqeivztzZm57wB4t+9rDd25uTSXHurUbtMxuIe 1TZJfzcNlQVPqqg6dFF5WNCm/xtwyhhlCxYqFxrMGrT+NMdHcjR6hNvH5qrKE4vy ciFi9h4jaRe69QWw0ZYtpxHJxHMG+HRnh+84lsbjtSlGPZFp92zRJDvp6J5Yv8ba q7wo0MFO93QzGk0dRN+x2rInAkLBmqaXN7xka1d9H1kEYmfNw68iD1J277Ju0bFv sr89KYUTtYQNbVpDTUt6UWhmvsdqh05BDVcSOTuHWHYJG0lBCo+urD0q3Ez/LQW6 edAz1OxhDifbjM5NEM0gZxSizov1obQcqCbWE8+m9VISqRAnJ0oxAnUkoV9Eg688 qcSjdeE9x8StvZZn87BjPfapfkH1qm2fNa5vU9Gyu2jZMJk+bRqF4l0Bmn2OIDRP s/r3e8YBlGfI88no1B2lQzN3aeUWX7vPsjjt/BhvvvpR9k/aOGhsHo/86T6f0ziS SUIJGL0J7H9s64aU9Mq3urRjWgnj2Yef1hjN96JoxpTqSlsheRxWZ/p+/nZOPy4O LEAaba+TjxGlPg5dNu4O5S0b9PtzUMPDYX8+cLFPiTwrUFO+8D4A+y/vMmKxi2Uo n/aXuHXC5ypEeBY8sy6r1DxmVe840o9WPVj7e6Zc+rVCG4Y7zDd/nXIuAWdenjU+ ZBNCbSeCgcDq5w== ----------------------------------------------------------------------------------------- !!! 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/EDFE1427FC6CE50C

http://decoder.re/EDFE1427FC6CE50C

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Executes dropped EXE 1 IoCs
  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

  • VMProtect packed file 1 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Loads dropped DLL 1 IoCs
  • 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 18 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\seu.exe
    "C:\Users\Admin\AppData\Local\Temp\seu.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3724
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\System32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MsMpEng.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Users\Admin\AppData\Local\Temp\MsMpEng.exe
        C:\Users\Admin\AppData\Local\Temp\MsMpEng.exe
        3⤵
        • Executes dropped EXE
        • Modifies extensions of user files
        • Loads dropped DLL
        • Enumerates connected drives
        • Sets desktop wallpaper using registry
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3772
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:3544
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3404

    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

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\MsMpEng.exe
      MD5

      8cc83221870dd07144e63df594c391d9

      SHA1

      3d409b39b8502fcd23335a878f2cbdaf6d721995

      SHA256

      33bc14d231a4afaa18f06513766d5f69d8b88f1e697cd127d24fb4b72ad44c7a

      SHA512

      e7f964a10a8799310a519fa569d264f652e13cc7ea199792dc6a5c0507dec4a12844a87bf8bab714255dce717839908ed5d967ce8f65f5520fe4e7f9d25a622c

    • C:\Users\Admin\AppData\Local\Temp\MsMpEng.exe
      MD5

      8cc83221870dd07144e63df594c391d9

      SHA1

      3d409b39b8502fcd23335a878f2cbdaf6d721995

      SHA256

      33bc14d231a4afaa18f06513766d5f69d8b88f1e697cd127d24fb4b72ad44c7a

      SHA512

      e7f964a10a8799310a519fa569d264f652e13cc7ea199792dc6a5c0507dec4a12844a87bf8bab714255dce717839908ed5d967ce8f65f5520fe4e7f9d25a622c

    • C:\Users\Admin\AppData\Local\Temp\mpsvc.dll
      MD5

      040818b1b3c9b1bf8245f5bcb4eebbbc

      SHA1

      c0f569fc22cb5dd8e02e44f85168b4b72a6669c3

      SHA256

      0496ca57e387b10dfdac809de8a4e039f68e8d66535d5d19ec76d39f7d0a4402

      SHA512

      bf4dcfb3c7cac05776560e751414a8babfa25fb8703768d0264133d4964f841055cfcab9f30d9854e422642855b4452b9fbf431889cb70a37ecbca7564f638c1

    • \Users\Admin\AppData\Local\Temp\MpsVc.dll
      MD5

      040818b1b3c9b1bf8245f5bcb4eebbbc

      SHA1

      c0f569fc22cb5dd8e02e44f85168b4b72a6669c3

      SHA256

      0496ca57e387b10dfdac809de8a4e039f68e8d66535d5d19ec76d39f7d0a4402

      SHA512

      bf4dcfb3c7cac05776560e751414a8babfa25fb8703768d0264133d4964f841055cfcab9f30d9854e422642855b4452b9fbf431889cb70a37ecbca7564f638c1

    • memory/1596-122-0x0000000000000000-mapping.dmp
    • memory/3724-120-0x0000000000DF0000-0x0000000000DF1000-memory.dmp
      Filesize

      4KB

    • memory/3724-115-0x0000000000790000-0x0000000000791000-memory.dmp
      Filesize

      4KB

    • memory/3724-121-0x0000000000FA0000-0x0000000001A60000-memory.dmp
      Filesize

      10.8MB

    • memory/3724-119-0x0000000000DE0000-0x0000000000DE1000-memory.dmp
      Filesize

      4KB

    • memory/3724-118-0x0000000000B40000-0x0000000000B41000-memory.dmp
      Filesize

      4KB

    • memory/3724-117-0x00000000007F0000-0x00000000007F1000-memory.dmp
      Filesize

      4KB

    • memory/3724-116-0x00000000007A0000-0x00000000007A1000-memory.dmp
      Filesize

      4KB

    • memory/3724-114-0x0000000000780000-0x0000000000781000-memory.dmp
      Filesize

      4KB

    • memory/3772-123-0x0000000000000000-mapping.dmp
    • memory/3772-129-0x0000000000BC0000-0x0000000000BE1000-memory.dmp
      Filesize

      132KB