Analysis

  • max time kernel
    169s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    18-04-2022 10:11

General

  • Target

    e42feb8039597dd71287304e097411bb27fd54fc29bbfcdc87ceb5d111738568.exe

  • Size

    266KB

  • MD5

    2cecd79470cd71227a29740d9bada0f2

  • SHA1

    96f6e20475d1bf4ab7668718ebfc2887a3d49d98

  • SHA256

    e42feb8039597dd71287304e097411bb27fd54fc29bbfcdc87ceb5d111738568

  • SHA512

    71e4d35e4d885989b46a9117955151a8d1a0736b626e593b0ab41b70b92ef8c875ba3f3b3f9a1044bb557667fbc5661a92b396dd76ab86c1f6dd01bfcadaedf2

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: http://dj55huaqbbsnhwngb5rgeq65ns3nteyon7wlp32gkamzs3k2ogrdr5qd.onion/chat.php or Telegram telegram_@spacedatax Your ID AB3D73C4 Use Tor Browser to access this address. If you have not been answered via the link within 12 hours, write to us by e-mail: telegram_@spacedatax Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
URLs

http://dj55huaqbbsnhwngb5rgeq65ns3nteyon7wlp32gkamzs3k2ogrdr5qd.onion/chat.php

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 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 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e42feb8039597dd71287304e097411bb27fd54fc29bbfcdc87ceb5d111738568.exe
    "C:\Users\Admin\AppData\Local\Temp\e42feb8039597dd71287304e097411bb27fd54fc29bbfcdc87ceb5d111738568.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:556
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1156
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1592
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:520
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1372
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:1884
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:1344
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1324

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        Filesize

        7KB

        MD5

        dddead1e8ea7d0c5e636877a6e43a526

        SHA1

        a7e595f1b0d20d870fafdce2a448966720113e22

        SHA256

        0e96e50475cd359ebc08fb9d2d3dca21890bf5ecdc13274c17ac8b96a0e229d9

        SHA512

        5fb8ea4b4cbf13ed349bf790d3a95f0ee8ac7b7a10c3276a199b0d65933aa8b76c2ccb7f483799c22e21a20789b86fec2b062117b9678c392378804a5cddd6ae

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        Filesize

        7KB

        MD5

        dddead1e8ea7d0c5e636877a6e43a526

        SHA1

        a7e595f1b0d20d870fafdce2a448966720113e22

        SHA256

        0e96e50475cd359ebc08fb9d2d3dca21890bf5ecdc13274c17ac8b96a0e229d9

        SHA512

        5fb8ea4b4cbf13ed349bf790d3a95f0ee8ac7b7a10c3276a199b0d65933aa8b76c2ccb7f483799c22e21a20789b86fec2b062117b9678c392378804a5cddd6ae

      • memory/520-63-0x0000000000000000-mapping.dmp
      • memory/556-59-0x0000000000000000-mapping.dmp
      • memory/1156-60-0x0000000000000000-mapping.dmp
      • memory/1344-66-0x0000000000000000-mapping.dmp
      • memory/1372-64-0x0000000000000000-mapping.dmp
      • memory/1592-62-0x0000000000000000-mapping.dmp
      • memory/1744-58-0x0000000000000000-mapping.dmp
      • memory/1884-65-0x0000000000000000-mapping.dmp
      • memory/1988-54-0x00000000002F7000-0x000000000030A000-memory.dmp
        Filesize

        76KB

      • memory/1988-61-0x0000000000400000-0x0000000000C1C000-memory.dmp
        Filesize

        8.1MB

      • memory/1988-57-0x0000000075501000-0x0000000075503000-memory.dmp
        Filesize

        8KB

      • memory/1988-56-0x00000000001C0000-0x00000000001D9000-memory.dmp
        Filesize

        100KB

      • memory/1988-55-0x00000000002F7000-0x000000000030A000-memory.dmp
        Filesize

        76KB