Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exe
    "C:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1488
    • 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:2660

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

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

          Filesize

          1.5MB

          MD5

          264463cc4d7425bd9067967d5483700a

          SHA1

          b78bafa9f9de7e6832758aa6abc796ddf032bd95

          SHA256

          11008e68a6ece583e7ff7de0d72473037a1b05d1dadb01bf0052015c580b3945

          SHA512

          1b25c54a81fbe939fd598393d46c657bf7d248996f074f0124f4ecd22c1329e36f8f47d1b40ca65d4dcbc74dd1f6c5716c9a78d47c35ec241d4b31265b11d6a4

        • memory/1488-0-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/1488-1-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/1488-2-0x0000000000240000-0x0000000000373000-memory.dmp

          Filesize

          1.2MB

        • memory/1488-14-0x0000000003760000-0x0000000003C4F000-memory.dmp

          Filesize

          4.9MB

        • memory/1488-13-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/2660-16-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/2660-17-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/2660-18-0x0000000000240000-0x0000000000373000-memory.dmp

          Filesize

          1.2MB

        • memory/2660-24-0x00000000034D0000-0x00000000036FA000-memory.dmp

          Filesize

          2.2MB

        • memory/2660-23-0x0000000000400000-0x000000000061D000-memory.dmp

          Filesize

          2.1MB

        • memory/2660-31-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB