Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 07:50

General

  • Target

    e61a819cd7473dbe776cb25c19969eb12c8c4556d955da195ddf586280a52228.exe

  • Size

    227KB

  • MD5

    b15cb2e022da92e746204ccb40f1a272

  • SHA1

    7e5ce68102d90eb19f693ba1ef10dc065c342ee0

  • SHA256

    e61a819cd7473dbe776cb25c19969eb12c8c4556d955da195ddf586280a52228

  • SHA512

    7bde34add433af3c8a1a4487251bdb728e8f5e8ed6326e850eac1b1af4501e6e2d75e3821cc0c369099038f35a13b19350eec0cb7088eac771c5a123e82d4a18

  • SSDEEP

    3072:Ht5ztq/xeIhOmYnJcawmSDA7jwOAIZyNiYLUETAB5EKJQabgH9acpr4kdQ9XWaIr:XwOBsr0fwbI8imFkBaKncHppZQ9fJc3

Score
8/10

Malware Config

Signatures

  • Sets file execution options in registry 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Checks for any installed AV software in registry 1 TTPs 2 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e61a819cd7473dbe776cb25c19969eb12c8c4556d955da195ddf586280a52228.exe
    "C:\Users\Admin\AppData\Local\Temp\e61a819cd7473dbe776cb25c19969eb12c8c4556d955da195ddf586280a52228.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\e61a819cd7473dbe776cb25c19969eb12c8c4556d955da195ddf586280a52228.exe
      "C:\Users\Admin\AppData\Local\Temp\e61a819cd7473dbe776cb25c19969eb12c8c4556d955da195ddf586280a52228.exe"
      2⤵
        PID:2244
      • C:\Users\Admin\AppData\Local\Temp\e61a819cd7473dbe776cb25c19969eb12c8c4556d955da195ddf586280a52228.exe
        "C:\Users\Admin\AppData\Local\Temp\e61a819cd7473dbe776cb25c19969eb12c8c4556d955da195ddf586280a52228.exe"
        2⤵
        • Sets file execution options in registry
        • Checks computer location settings
        • Checks for any installed AV software in registry
        • Drops desktop.ini file(s)
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious behavior: MapViewOfSection
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4968
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x05B00178" /TR "C:\ProgramData\Apple Device Updater Client\cxdxudqll.exe" /RL HIGHEST
          3⤵
          • Creates scheduled task(s)
          PID:532
        • C:\Windows\SysWOW64\WerFault.exe
          "C:\Windows\SysWOW64\WerFault.exe"
          3⤵
            PID:4136

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/532-144-0x0000000000000000-mapping.dmp

      • memory/2244-133-0x0000000000000000-mapping.dmp

      • memory/2540-132-0x00000000745F0000-0x0000000074BA1000-memory.dmp

        Filesize

        5.7MB

      • memory/2540-139-0x00000000745F0000-0x0000000074BA1000-memory.dmp

        Filesize

        5.7MB

      • memory/4136-149-0x0000000001210000-0x0000000001297000-memory.dmp

        Filesize

        540KB

      • memory/4136-148-0x0000000001210000-0x0000000001297000-memory.dmp

        Filesize

        540KB

      • memory/4136-147-0x0000000000E80000-0x0000000000EFB000-memory.dmp

        Filesize

        492KB

      • memory/4136-145-0x0000000000000000-mapping.dmp

      • memory/4968-142-0x0000000000C30000-0x0000000000C7B000-memory.dmp

        Filesize

        300KB

      • memory/4968-143-0x0000000002700000-0x000000000270B000-memory.dmp

        Filesize

        44KB

      • memory/4968-141-0x0000000000C30000-0x0000000000C7B000-memory.dmp

        Filesize

        300KB

      • memory/4968-140-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/4968-146-0x0000000000C30000-0x0000000000C7B000-memory.dmp

        Filesize

        300KB

      • memory/4968-137-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/4968-135-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/4968-134-0x0000000000000000-mapping.dmp