Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-04-2022 06:49

General

  • Target

    d4685c27c59c0a4cdf73553631692f4219901428ce53b92699770459bfcd0afb.exe

  • Size

    140KB

  • MD5

    8b27c925e572714653a2275bd3e53010

  • SHA1

    d00ebd3241cbc8785bb9360686c7a67745651b6f

  • SHA256

    d4685c27c59c0a4cdf73553631692f4219901428ce53b92699770459bfcd0afb

  • SHA512

    605872bd214a51bed966898a772650b507525e79221e3d75658dbaebd8c570f00ed74551744b48d2dc6b268b69ba87b8859f39aea74fdc1a15fa01a7a308ca00

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: 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 4 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 1 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Interacts with shadow copies 2 TTPs 2 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4685c27c59c0a4cdf73553631692f4219901428ce53b92699770459bfcd0afb.exe
    "C:\Users\Admin\AppData\Local\Temp\d4685c27c59c0a4cdf73553631692f4219901428ce53b92699770459bfcd0afb.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:2608
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4496
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1296
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:428
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
          PID:276
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            3⤵
              PID:3980
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              3⤵
              • Interacts with shadow copies
              PID:1256
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:4508
            • C:\Windows\System32\mshta.exe
              "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
              2⤵
                PID:540
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3080
            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
              1⤵
              • Enumerates system info in registry
              • Modifies registry class
              • Suspicious use of SetWindowsHookEx
              PID:2620
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
              1⤵
                PID:3828

              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

                d209f6037dd41d512429914ef112a3d8

                SHA1

                101063e47398244f2658fa0ec050a6168b5476a2

                SHA256

                8be783548f9e392077221ff57208dfe506de437f0b831bdfac51266261956368

                SHA512

                421929266296fde80c4d04ff0d996eba86b5d9803b0f21581927585339a0d7e382c303b10f9fd2adad6f0f6182bb911bf691f8f8ca9815638f762f292be2708a

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

                Filesize

                7KB

                MD5

                d209f6037dd41d512429914ef112a3d8

                SHA1

                101063e47398244f2658fa0ec050a6168b5476a2

                SHA256

                8be783548f9e392077221ff57208dfe506de437f0b831bdfac51266261956368

                SHA512

                421929266296fde80c4d04ff0d996eba86b5d9803b0f21581927585339a0d7e382c303b10f9fd2adad6f0f6182bb911bf691f8f8ca9815638f762f292be2708a

              • memory/276-137-0x0000000000000000-mapping.dmp

              • memory/428-136-0x0000000000000000-mapping.dmp

              • memory/540-145-0x0000000000000000-mapping.dmp

              • memory/1256-139-0x0000000000000000-mapping.dmp

              • memory/1296-134-0x0000000000000000-mapping.dmp

              • memory/2608-135-0x0000000000400000-0x0000000002FAD000-memory.dmp

                Filesize

                43.7MB

              • memory/2608-130-0x0000000003279000-0x000000000328C000-memory.dmp

                Filesize

                76KB

              • memory/2608-133-0x0000000003240000-0x0000000003259000-memory.dmp

                Filesize

                100KB

              • memory/2608-132-0x0000000003279000-0x000000000328C000-memory.dmp

                Filesize

                76KB

              • memory/3980-138-0x0000000000000000-mapping.dmp

              • memory/4496-131-0x0000000000000000-mapping.dmp

              • memory/4508-142-0x0000000000000000-mapping.dmp