Analysis

  • max time kernel
    123s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    13-07-2020 13:56

General

  • Target

    602c753ee7337a5398df34b82238dd243d6afc9aa0f2d6e75f9d5a98cb609aa9.exe

  • Size

    4.6MB

  • MD5

    1d3e630e85d4055a6b00bf588f30af21

  • SHA1

    64658fd77ddcb9496d2c6a6f174210010bbcdf54

  • SHA256

    602c753ee7337a5398df34b82238dd243d6afc9aa0f2d6e75f9d5a98cb609aa9

  • SHA512

    0fe39d9fdfc317c5fbbafa7dab5380be6daac8e9cee54df4814e976b8d4a95db45e1259b2a99f1a451dc2a8d4c1435bc9134e13a6ead2df6c812c4a128236246

Malware Config

Extracted

Path

C:\Boot\Fonts\HOW TO RESTORE YOUR FILES.TXT

Ransom Note
Hello! All your files are encrypted and only I can decrypt them. Contact me: [email protected] Write me if you want to return your files - I can do it very quickly! The header of letter must contain extension of encrypted files. I'm always reply within 24 hours. If not - check spam folder, resend your letter or try send letter from another email service (like protonmail.com). Attention! Do not rename or edit encrypted files: you may have permanent data loss. To prove that I can recover your files, I am ready to decrypt any three files (less than 1Mb) for free (except databases, Excel and backups) HURRY UP! ! ! ! If you do not email me in the next 48 hours then your data may be lost permanently ! ! !

Signatures

  • Drops startup file 2 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Modifies service 2 TTPs 5 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Drops file in Program Files directory 25611 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\602c753ee7337a5398df34b82238dd243d6afc9aa0f2d6e75f9d5a98cb609aa9.exe
    "C:\Users\Admin\AppData\Local\Temp\602c753ee7337a5398df34b82238dd243d6afc9aa0f2d6e75f9d5a98cb609aa9.exe"
    1⤵
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:716
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ffdxespibjhb.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3840
      • C:\Windows\system32\sc.exe
        SC QUERY
        3⤵
          PID:3692
        • C:\Windows\system32\findstr.exe
          FINDSTR SERVICE_NAME
          3⤵
            PID:3584
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\rumnnpbcprqfxcyxqff.bat
          2⤵
            PID:3872
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\tolkymjcwsgqitaonnnj.bat
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3156
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              3⤵
              • Interacts with shadow copies
              PID:2648
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\prjrsrfivskvjlkkv.bat
            2⤵
              PID:3756
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Modifies service
            • Suspicious use of AdjustPrivilegeToken
            PID:2208

          Network

          MITRE ATT&CK Enterprise v6

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          Downloads