Analysis

  • max time kernel
    153s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    18-04-2022 10:15

General

  • Target

    00fd74dd5519249df4a2ac90f8d22616d2a068c520d41ee19b53c7311ab65550.exe

  • Size

    431KB

  • MD5

    01908989c865949654fd19b58fc9657c

  • SHA1

    a515287d73a6655c01accf6ca3705dd19c9b0d21

  • SHA256

    00fd74dd5519249df4a2ac90f8d22616d2a068c520d41ee19b53c7311ab65550

  • SHA512

    a93c0f6d739cba56a730a99600f226df68083e136d5be125c9448effd79662ea6019f9a0129b2782afc86e55c8f12bf05b4066791c30550265323cc83477b062

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 51EC4C3C 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 1 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 1 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\00fd74dd5519249df4a2ac90f8d22616d2a068c520d41ee19b53c7311ab65550.exe
    "C:\Users\Admin\AppData\Local\Temp\00fd74dd5519249df4a2ac90f8d22616d2a068c520d41ee19b53c7311ab65550.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:1676
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1540
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1624
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:560
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:284
        • 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:1616
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:1612
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:876

        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

          074be3c5b37b39a7255c86acbf3cf3df

          SHA1

          fdd969e96576d2765ce65421955446e478b89b2d

          SHA256

          6b49ce13eb836ad4e73503d98e1c615fbbb33caba779f166c12feab459226de8

          SHA512

          161e09e815428b261f5b6524ea72c8ff829d04a00e3d1e75172110d7adb62b57f2e00a7b508b8819710d23bb2b48a3060a9253f0a424a3aadbb54a3993c5d28b

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

          7KB

          MD5

          074be3c5b37b39a7255c86acbf3cf3df

          SHA1

          fdd969e96576d2765ce65421955446e478b89b2d

          SHA256

          6b49ce13eb836ad4e73503d98e1c615fbbb33caba779f166c12feab459226de8

          SHA512

          161e09e815428b261f5b6524ea72c8ff829d04a00e3d1e75172110d7adb62b57f2e00a7b508b8819710d23bb2b48a3060a9253f0a424a3aadbb54a3993c5d28b

        • memory/284-64-0x0000000000000000-mapping.dmp
        • memory/560-63-0x0000000000000000-mapping.dmp
        • memory/1540-57-0x0000000000000000-mapping.dmp
        • memory/1612-66-0x0000000000000000-mapping.dmp
        • memory/1616-65-0x0000000000000000-mapping.dmp
        • memory/1624-58-0x0000000000000000-mapping.dmp
        • memory/1676-59-0x00000000023E7000-0x00000000023FA000-memory.dmp
          Filesize

          76KB

        • memory/1676-60-0x0000000000220000-0x0000000000239000-memory.dmp
          Filesize

          100KB

        • memory/1676-61-0x0000000000400000-0x0000000002328000-memory.dmp
          Filesize

          31.2MB

        • memory/1676-54-0x00000000023E7000-0x00000000023FA000-memory.dmp
          Filesize

          76KB

        • memory/1676-55-0x0000000076171000-0x0000000076173000-memory.dmp
          Filesize

          8KB

        • memory/1724-62-0x0000000000000000-mapping.dmp
        • memory/1780-56-0x0000000000000000-mapping.dmp