Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2024, 03:43

General

  • Target

    4a58fe4b13e88ac6f544dd335ee41c8f.exe

  • Size

    5.8MB

  • MD5

    4a58fe4b13e88ac6f544dd335ee41c8f

  • SHA1

    44ca2037773df85a65a419041f7a5e2d1a1e04f3

  • SHA256

    1d78620379dd7ca10686091c5e04f231be004e18d0051d46d52aaff1dcc07170

  • SHA512

    7b57d8c7033fd6b1d7a3eee3c268e856b49d2649ad5c02f4bfb9ce1bb2fb5922ccdc9441d6ea99dd35c458b2f32f0b7db03e49b92250c52f05bd7de023969f3f

  • SSDEEP

    98304:MgxG/NW2fRzgZwt1gg3gnl/IVUs1jePsczwpf24pD6qaFWWOBrgg3gnl/IVUs1jl:i82Ckgl/iBiPvA2qyWWYgl/iBiP

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\4a58fe4b13e88ac6f544dd335ee41c8f.exe
    "C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe
      C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2668

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe

          Filesize

          3KB

          MD5

          8c72a7a3df6ad571ba0d30f1fc7630a6

          SHA1

          77d50be2e1850743a9558305e4766a9b969d78fe

          SHA256

          3ac21a98698313703acf85cd9c487ed091c078538730fd48179c7548e147902c

          SHA512

          dd2b85ae9b602f416bfc3de6834584a3510c546a75dc0f57993f68eceb7b8121c7a3733bd75868d9e8072a66bf9b317748587a61267cc3a0e5324dd777e0d232

        • \Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe

          Filesize

          856KB

          MD5

          aac525de92a06837c53cdc13b9d6a108

          SHA1

          0991b7a507c679f7a6a991d8e9fa5e09a9f57e60

          SHA256

          72bf6cddfe5702d9aad357cdc954d6d52af48924363eb99a1be58f43cfe17447

          SHA512

          0ed94e668b2fe50bab2d9155ac010d6efcb1221bfe8d64e7eb948796b35e3cbcdcb4375d2a6aadbf9a986ba41979818bb0d10fc74f0072efef22637addf202ed

        • memory/2052-13-0x0000000003DD0000-0x00000000042BF000-memory.dmp

          Filesize

          4.9MB

        • memory/2052-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

          Filesize

          1.2MB

        • memory/2052-1-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/2052-14-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/2052-31-0x0000000003DD0000-0x00000000042BF000-memory.dmp

          Filesize

          4.9MB

        • memory/2052-0-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/2668-26-0x0000000003410000-0x000000000363A000-memory.dmp

          Filesize

          2.2MB

        • memory/2668-16-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/2668-20-0x0000000001B20000-0x0000000001C53000-memory.dmp

          Filesize

          1.2MB

        • memory/2668-23-0x0000000000400000-0x000000000061D000-memory.dmp

          Filesize

          2.1MB

        • memory/2668-18-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/2668-32-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB