Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2022, 15:01

General

  • Target

    fc6d5302c10f5633be2df9b214b45ef4adc454f9dfb934bbd361bc03a405e4ec.exe

  • Size

    596KB

  • MD5

    7b5d98a0cf55c5eaa4bc63fe8d7e6a10

  • SHA1

    7a34dad68990aa38a00c70bcb97957d9ef34ff4c

  • SHA256

    fc6d5302c10f5633be2df9b214b45ef4adc454f9dfb934bbd361bc03a405e4ec

  • SHA512

    7457bf2f7aea03e7f169f4e66f5c2ff9246c1822414eef61bd842ce10f0d467da7c5a988171c01c01c3ecfea64e79bd4e479e937ecb58a0d638e168b6300fe45

  • SSDEEP

    1536:4NpvWWnptijPYacUi++txzAfZaIAT4BJ9fE435ORouD0M/odpmjTku6s:4NpvZ2YaLintxzEaIS4BJ9Ma5OJ/o6

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 18 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 4 IoCs
  • Windows security bypass 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Disables taskbar notifications via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 15 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 15 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc6d5302c10f5633be2df9b214b45ef4adc454f9dfb934bbd361bc03a405e4ec.exe
    "C:\Users\Admin\AppData\Local\Temp\fc6d5302c10f5633be2df9b214b45ef4adc454f9dfb934bbd361bc03a405e4ec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Users\Admin\AppData\Local\Temp\fc6d5302c10f5633be2df9b214b45ef4adc454f9dfb934bbd361bc03a405e4ec.exe
      "C:\Users\Admin\AppData\Local\Temp\fc6d5302c10f5633be2df9b214b45ef4adc454f9dfb934bbd361bc03a405e4ec.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Users\Admin\EE0DB28D63E64960\CD06B5.exe
        "C:\Users\Admin\EE0DB28D63E64960\CD06B5.exe" 9014DCD8
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1972
        • C:\Users\Admin\EE0DB28D63E64960\CD06B5.exe
          "C:\Users\Admin\EE0DB28D63E64960\CD06B5.exe"
          4⤵
          • Modifies firewall policy service
          • Modifies security service
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Drops file in Drivers directory
          • Executes dropped EXE
          • Sets file execution options in registry
          • Drops startup file
          • Windows security modification
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Modifies Control Panel
          • Modifies Internet Explorer settings
          • Modifies Internet Explorer start page
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:1260
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4780

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\EE0DB28D63E64960\CD06B5.exe

            Filesize

            596KB

            MD5

            7b5d98a0cf55c5eaa4bc63fe8d7e6a10

            SHA1

            7a34dad68990aa38a00c70bcb97957d9ef34ff4c

            SHA256

            fc6d5302c10f5633be2df9b214b45ef4adc454f9dfb934bbd361bc03a405e4ec

            SHA512

            7457bf2f7aea03e7f169f4e66f5c2ff9246c1822414eef61bd842ce10f0d467da7c5a988171c01c01c3ecfea64e79bd4e479e937ecb58a0d638e168b6300fe45

          • C:\Users\Admin\EE0DB28D63E64960\CD06B5.exe

            Filesize

            596KB

            MD5

            7b5d98a0cf55c5eaa4bc63fe8d7e6a10

            SHA1

            7a34dad68990aa38a00c70bcb97957d9ef34ff4c

            SHA256

            fc6d5302c10f5633be2df9b214b45ef4adc454f9dfb934bbd361bc03a405e4ec

            SHA512

            7457bf2f7aea03e7f169f4e66f5c2ff9246c1822414eef61bd842ce10f0d467da7c5a988171c01c01c3ecfea64e79bd4e479e937ecb58a0d638e168b6300fe45

          • C:\Users\Admin\EE0DB28D63E64960\CD06B5.exe

            Filesize

            596KB

            MD5

            7b5d98a0cf55c5eaa4bc63fe8d7e6a10

            SHA1

            7a34dad68990aa38a00c70bcb97957d9ef34ff4c

            SHA256

            fc6d5302c10f5633be2df9b214b45ef4adc454f9dfb934bbd361bc03a405e4ec

            SHA512

            7457bf2f7aea03e7f169f4e66f5c2ff9246c1822414eef61bd842ce10f0d467da7c5a988171c01c01c3ecfea64e79bd4e479e937ecb58a0d638e168b6300fe45

          • memory/1260-157-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/1260-156-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/1812-138-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/1812-146-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/1812-141-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/1812-137-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/1812-135-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB