Analysis

  • max time kernel
    160s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    18/02/2022, 08:14

General

  • Target
    42ccd61f1357d37d8c439082e195eed6eb0d3a6b060852ce57161b469919f778.exe
  • Size 122.5MB
  • Sample220218-j5f6radbep
  • SHA256 42ccd61f1357d37d8c439082e195eed6eb0d3a6b060852ce57161b469919f778
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Babadeda

    Babadeda is a crypter delivered as a legitimate installer and used to drop other malware families.

  • Babadeda Crypter 2 IoCs
  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 53 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 14 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Detects BABADEDA Crypter 2 IoCs

    Detects BABADEDA Crypter.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 51 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42ccd61f1357d37d8c439082e195eed6eb0d3a6b060852ce57161b469919f778.exe
    "C:\Users\Admin\AppData\Local\Temp\42ccd61f1357d37d8c439082e195eed6eb0d3a6b060852ce57161b469919f778.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3880
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\setup.msi" /q
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2144
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:488
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AE5AAA22B39FB0DD2BCB24BF26665B42
      2⤵
      • Loads dropped DLL
      PID:3096
    • C:\Users\Admin\AppData\Roaming\Plex, Inc\Plex Media Server DLNA\iisexpress.exe
      "C:\Users\Admin\AppData\Roaming\Plex, Inc\Plex Media Server DLNA\iisexpress.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:4012
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3644
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3436
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3760

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/4012-200-0x0000000008130000-0x000000000D230000-memory.dmp