Analysis

  • max time kernel
    149s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15-04-2022 15:11

General

  • Target

    78d5c7c6d91c1c2cbde3eed22cf1e1f41fb69083464898e74f5dd5e097d43658.exe

  • Size

    137KB

  • MD5

    8a6d5f20007f1507be1a84608fbb4748

  • SHA1

    9c7f9400e0345350d40b96acefb54bfd1c5b507e

  • SHA256

    78d5c7c6d91c1c2cbde3eed22cf1e1f41fb69083464898e74f5dd5e097d43658

  • SHA512

    1115055a3684f9412738ad61db6ab6f2b63532e80585d500099067cd81fd3c482c0225b6eb7154d1c048d7e1b6ac599d291b6d4a510036f94c6ef50cff1ac9c1

Malware Config

Extracted

Path

C:\ProgramData\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: email [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to Telegram:@pexdata - our telegram contact or http://pexdatax.com/ or email [email protected] 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://pexdatax.com/

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.

  • 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\78d5c7c6d91c1c2cbde3eed22cf1e1f41fb69083464898e74f5dd5e097d43658.exe
    "C:\Users\Admin\AppData\Local\Temp\78d5c7c6d91c1c2cbde3eed22cf1e1f41fb69083464898e74f5dd5e097d43658.exe"
    1⤵
    • 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:1668
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1088
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1500
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:984
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:552
        • 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:1008
        • 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:2016
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1456

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        7KB

        MD5

        472a876e06c332bc0fab7455696f5ae3

        SHA1

        17ced8b91f53bcef699ce17264aa91d9e7d9d32f

        SHA256

        738a67d107a47ad72e7f04679c516909a8ff765d831e7598dd32f72d35f6ade8

        SHA512

        7803137794b570cfbeca240992a16f62d8664b1e8192ed2b3bb7a6ef4b26517fefff75c9ccd5206df966ad8192fa0811d62a4e45d7464b0deb7c22d8da6ea578

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

        Filesize

        7KB

        MD5

        472a876e06c332bc0fab7455696f5ae3

        SHA1

        17ced8b91f53bcef699ce17264aa91d9e7d9d32f

        SHA256

        738a67d107a47ad72e7f04679c516909a8ff765d831e7598dd32f72d35f6ade8

        SHA512

        7803137794b570cfbeca240992a16f62d8664b1e8192ed2b3bb7a6ef4b26517fefff75c9ccd5206df966ad8192fa0811d62a4e45d7464b0deb7c22d8da6ea578

      • memory/552-64-0x0000000000000000-mapping.dmp

      • memory/984-63-0x0000000000000000-mapping.dmp

      • memory/1008-65-0x0000000000000000-mapping.dmp

      • memory/1088-57-0x0000000000000000-mapping.dmp

      • memory/1500-58-0x0000000000000000-mapping.dmp

      • memory/1668-60-0x00000000001B0000-0x00000000001C9000-memory.dmp

        Filesize

        100KB

      • memory/1668-61-0x0000000000400000-0x0000000002FAD000-memory.dmp

        Filesize

        43.7MB

      • memory/1668-59-0x00000000002AB000-0x00000000002BE000-memory.dmp

        Filesize

        76KB

      • memory/1668-54-0x00000000002AB000-0x00000000002BE000-memory.dmp

        Filesize

        76KB

      • memory/1668-55-0x00000000762C1000-0x00000000762C3000-memory.dmp

        Filesize

        8KB

      • memory/1824-56-0x0000000000000000-mapping.dmp

      • memory/1996-62-0x0000000000000000-mapping.dmp

      • memory/2016-66-0x0000000000000000-mapping.dmp