Analysis

  • max time kernel
    141s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2024, 06:23

General

  • Target

    a319f2d73eff80842aae7b4e5cb228d4.exe

  • Size

    133KB

  • MD5

    a319f2d73eff80842aae7b4e5cb228d4

  • SHA1

    a7b8c7f35ca08cf9b8e38ed421be01e69215e2c8

  • SHA256

    0ba18a2414d303e792b8818930458e607df54da5bde036c1158d1a139805654e

  • SHA512

    53bcb464d041b42c9a9750fa129aeeac8a2a7bf3c3592bbfc32668cd85fd9ccc9f0932b5b0ac6a135f871dbc277081defefab8c5097bf8198c22931758b60f22

  • SSDEEP

    3072:zEGFn764i/9OiZ4k4oB24fpbTqjX1Htg7JX/YQ:Dn76P/o04ejVqjXxe7ZYQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a319f2d73eff80842aae7b4e5cb228d4.exe
    "C:\Users\Admin\AppData\Local\Temp\a319f2d73eff80842aae7b4e5cb228d4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\Temp\a319f2d73eff80842aae7b4e5cb228d4.exe
      C:\Users\Admin\AppData\Local\Temp\a319f2d73eff80842aae7b4e5cb228d4.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\a319f2d73eff80842aae7b4e5cb228d4.exe

          Filesize

          133KB

          MD5

          37674c60dffe61277a9d62b67d5fb893

          SHA1

          b2828b7bf75e76ea451fcd2f535861bc321dd538

          SHA256

          4eba011896f98dec67e65be5e026f60144cb9a2b1be87b61a377786f46fd4aac

          SHA512

          8e13269d63034c475d962931c571c7a632a261c2f520a723f9983b3e3ad55ddaa7ca838a9f33b265767bbcfc7b21beddb10fb6af05470e945a692a9724ed2217

        • memory/2140-0-0x0000000000400000-0x0000000000486000-memory.dmp

          Filesize

          536KB

        • memory/2140-2-0x0000000000150000-0x0000000000171000-memory.dmp

          Filesize

          132KB

        • memory/2140-1-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/2140-13-0x0000000001490000-0x0000000001516000-memory.dmp

          Filesize

          536KB

        • memory/2140-15-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/2612-17-0x0000000000400000-0x0000000000486000-memory.dmp

          Filesize

          536KB

        • memory/2612-18-0x0000000000150000-0x0000000000171000-memory.dmp

          Filesize

          132KB

        • memory/2612-43-0x0000000000400000-0x0000000000486000-memory.dmp

          Filesize

          536KB