Overview

overview

9

Static

static

Privacy By...le.exe

windows7_x64

8

Privacy By...le.exe

windows10_x64

9

Analysis

  • max time kernel
    33s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22/08/2021, 04:11

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General

  • Target
    Privacy By Design - Training Module.exe
  • Size 724KB
  • Sample210822-1e3vg4k6d2
  • SHA256 aa438f22db488466ed39153b302b4f7557ca4bcc44ba35f83ad2dc8a04903398
  • MD5 SHA1 SHA512
Score
9/10
evasionransomwarespywarestealer

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Executes dropped EXE 1 IoCs
  • Modifies extensions of user files 7 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 34 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Modifies registry class 4 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Privacy By Design - Training Module.exe
    "C:\Users\Admin\AppData\Local\Temp\Privacy By Design - Training Module.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Roaming\Privacy By Design - Training Module.exe
      "C:\Users\Admin\AppData\Roaming\Privacy By Design - Training Module.exe"
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Drops startup file
      • Drops desktop.ini file(s)
      • Sets desktop wallpaper using registry
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3968
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
        3⤵
          PID:3744
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:2108
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:656
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2372
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:476
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:3128
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:732
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            4⤵
            • Deletes backup catalog
            PID:3712
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1284
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3960
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1360
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:276
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:2172
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:1468
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:1228

      Network

            MITRE ATT&CK Enterprise v6

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            Downloads

            memory/640-114-0x0000000000900000-0x0000000000901000-memory.dmp
            Download

            memory/3968-122-0x0000000001220000-0x0000000001222000-memory.dmp
            Download