Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2024, 18:14

General

  • Target

    99ce3bdc622121d6659d28cc39daf5b3.exe

  • Size

    1.5MB

  • MD5

    99ce3bdc622121d6659d28cc39daf5b3

  • SHA1

    8baf1bde8d3b2e290055d5428ebeb539e04bdafb

  • SHA256

    181bed91b6b493f02e5473c37e38e48a6f0c3fbb2d9d725f21f4f5089eae92f0

  • SHA512

    4d1ce27a7ad80e7bd5c1cc6b8a572087bda525e1a08b150c7cfb50a5996b371e0fb23dcbefaa4ef827914bb52bbf9044d3ede62182eec6fc491e9c5a95ffb5a1

  • SSDEEP

    24576:auuRniEJhMVVhO7olEcBxNbaC99I8bKL6t+qrl4cq2jV0/tu7L30EGvXHnnXkX8y:aV1fMU75sxp19pY6tQ2Yu7L30EkHXkX

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exe
    "C:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exe
      C:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:5016

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exe

          Filesize

          1.5MB

          MD5

          5388b0fd597eaa70e4dc6a27fbdb99c2

          SHA1

          1ffdeb220ec118fe290677e597d28ea0d192f0a9

          SHA256

          1f61a994cc5f2c0005c0e5b8712d4b9b0c7de9e82cd8aa746e9c6c170351ce76

          SHA512

          a19301f2080e26b8ff812223ae95e4834e0dd919b62f9161455c1af6d7e1988d71fd385156f764ac90af89e8a1a816dd017dda00add2267e2336b30bec150e4e

        • memory/1232-0-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/1232-1-0x0000000001D50000-0x0000000001E83000-memory.dmp

          Filesize

          1.2MB

        • memory/1232-2-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/1232-12-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/5016-13-0x00000000018F0000-0x0000000001A23000-memory.dmp

          Filesize

          1.2MB

        • memory/5016-14-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/5016-16-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/5016-21-0x0000000005570000-0x000000000579A000-memory.dmp

          Filesize

          2.2MB

        • memory/5016-20-0x0000000000400000-0x000000000061D000-memory.dmp

          Filesize

          2.1MB

        • memory/5016-28-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB