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Analysis

  • max time kernel
    153s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 17:10

General

  • Target

    7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b.exe

  • Size

    826KB

  • MD5

    19e6603fc037cd1267556ac92056cb40

  • SHA1

    6dd367c5427f304f86324584bcfdb32add14049e

  • SHA256

    7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b

  • SHA512

    db408f2efecf18a04580badf50ea58e92918b4eab622f1d0a7688672203e4008e9d51c7e2fdd293d09cd6c0e5c9cf5cbe72c6c27d5df6ac2c1e1f5e17c8b19b5

  • SSDEEP

    1536:VT7kWlngkYFKynXvAh1MFOMLwOueYdqXhVBZXcMik421dNSkWNVYM3O3:VMQgk6Kyn/wMFOMLN9AQdjWzT+

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 14 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
  • Executes dropped EXE 2 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
  • UPX packed file 6 IoCs

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 2 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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 6 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1268
      • C:\Users\Admin\AppData\Local\Temp\7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b.exe
        "C:\Users\Admin\AppData\Local\Temp\7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:944
        • C:\Users\Admin\AppData\Local\Temp\7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b.exe
          "C:\Users\Admin\AppData\Local\Temp\7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b.exe"
          3⤵
          • Loads dropped DLL
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:864
          • C:\Windows\SysWOW64\svchost.exe
            svchost.exe
            4⤵
              PID:1344
            • C:\Users\Admin\67F8E5B2D4DDFE2F\44F3E2.exe
              "C:\Users\Admin\67F8E5B2D4DDFE2F\44F3E2.exe" BBDAD142
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1176
              • C:\Users\Admin\67F8E5B2D4DDFE2F\44F3E2.exe
                BBDAD142
                5⤵
                • 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
                • Executes dropped EXE
                • Sets file execution options in registry
                • Drops startup file
                • Windows security modification
                • 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
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:612
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  6⤵
                    PID:512
        • C:\Windows\system32\wbem\unsecapp.exe
          C:\Windows\system32\wbem\unsecapp.exe -Embedding
          1⤵
            PID:1660

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\67F8E5B2D4DDFE2F\44F3E2.exe

            Filesize

            826KB

            MD5

            19e6603fc037cd1267556ac92056cb40

            SHA1

            6dd367c5427f304f86324584bcfdb32add14049e

            SHA256

            7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b

            SHA512

            db408f2efecf18a04580badf50ea58e92918b4eab622f1d0a7688672203e4008e9d51c7e2fdd293d09cd6c0e5c9cf5cbe72c6c27d5df6ac2c1e1f5e17c8b19b5

          • C:\Users\Admin\67F8E5B2D4DDFE2F\44F3E2.exe

            Filesize

            826KB

            MD5

            19e6603fc037cd1267556ac92056cb40

            SHA1

            6dd367c5427f304f86324584bcfdb32add14049e

            SHA256

            7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b

            SHA512

            db408f2efecf18a04580badf50ea58e92918b4eab622f1d0a7688672203e4008e9d51c7e2fdd293d09cd6c0e5c9cf5cbe72c6c27d5df6ac2c1e1f5e17c8b19b5

          • C:\Users\Admin\67F8E5B2D4DDFE2F\44F3E2.exe

            Filesize

            826KB

            MD5

            19e6603fc037cd1267556ac92056cb40

            SHA1

            6dd367c5427f304f86324584bcfdb32add14049e

            SHA256

            7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b

            SHA512

            db408f2efecf18a04580badf50ea58e92918b4eab622f1d0a7688672203e4008e9d51c7e2fdd293d09cd6c0e5c9cf5cbe72c6c27d5df6ac2c1e1f5e17c8b19b5

          • \Users\Admin\67F8E5B2D4DDFE2F\44F3E2.exe

            Filesize

            826KB

            MD5

            19e6603fc037cd1267556ac92056cb40

            SHA1

            6dd367c5427f304f86324584bcfdb32add14049e

            SHA256

            7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b

            SHA512

            db408f2efecf18a04580badf50ea58e92918b4eab622f1d0a7688672203e4008e9d51c7e2fdd293d09cd6c0e5c9cf5cbe72c6c27d5df6ac2c1e1f5e17c8b19b5

          • \Users\Admin\67F8E5B2D4DDFE2F\44F3E2.exe

            Filesize

            826KB

            MD5

            19e6603fc037cd1267556ac92056cb40

            SHA1

            6dd367c5427f304f86324584bcfdb32add14049e

            SHA256

            7d380425d00f842364237ae5e2141ed1a11f95857ee7835fefdd3b4d1b61789b

            SHA512

            db408f2efecf18a04580badf50ea58e92918b4eab622f1d0a7688672203e4008e9d51c7e2fdd293d09cd6c0e5c9cf5cbe72c6c27d5df6ac2c1e1f5e17c8b19b5

          • memory/612-81-0x0000000004210000-0x0000000005272000-memory.dmp

            Filesize

            16.4MB

          • memory/612-80-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/864-70-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/864-63-0x0000000075B61000-0x0000000075B63000-memory.dmp

            Filesize

            8KB

          • memory/864-61-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/864-58-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/864-57-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/864-54-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB