Analysis

  • max time kernel
    140s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2024, 03:47

General

  • Target

    3bce9c350d2a0d4e3506bbbb04e1635a.exe

  • Size

    133KB

  • MD5

    3bce9c350d2a0d4e3506bbbb04e1635a

  • SHA1

    d1d67498632e8470b6c6f386d8660329a7473fe5

  • SHA256

    6dceefdbaa2a3fb1a519f27f37b0df0cf2e15a92f85287d988382bd3a843ed4b

  • SHA512

    b08f13fbeb685d01da1b7e89674466d9e6cbedcc0a9ff57f2ae1925ef0ee7fd40f71d2af27faa8db05d8a63dc509fbdc47d37ed8bbf0814002fa0efe04114fef

  • SSDEEP

    3072:MwSgyKSmF9OTAGKzXuQ1UGj6Y8S6mH2V0VUvtsadcIVlToX2+v917awO456EQ:MyZSZTAdjuQ1ZnQ7iI/Tu2IwEQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3bce9c350d2a0d4e3506bbbb04e1635a.exe
    "C:\Users\Admin\AppData\Local\Temp\3bce9c350d2a0d4e3506bbbb04e1635a.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Users\Admin\AppData\Local\Temp\3bce9c350d2a0d4e3506bbbb04e1635a.exe
      C:\Users\Admin\AppData\Local\Temp\3bce9c350d2a0d4e3506bbbb04e1635a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4620

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3bce9c350d2a0d4e3506bbbb04e1635a.exe

          Filesize

          133KB

          MD5

          35a3d1aa08bc00479b4117f8e0be6f78

          SHA1

          c3bda8e4deb5a8ff47eab47061205120bb973d3a

          SHA256

          ba1e74d1a21027c381ecf97060116434fd1b3ff3c8bb44d5796a6f7cfe14c6e1

          SHA512

          f3649ceab99e68c65a011299db80ae4ec4fcf9c0397cfc14f1855ca3bb6e83435f4cf8ca3de405500fdd2e8507f911ecb3495871518d5d2897983abaff58390b

        • memory/4620-16-0x0000000000400000-0x0000000000486000-memory.dmp

          Filesize

          536KB

        • memory/4620-17-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/4620-18-0x00000000001A0000-0x00000000001C1000-memory.dmp

          Filesize

          132KB

        • memory/4620-24-0x0000000000400000-0x0000000000486000-memory.dmp

          Filesize

          536KB

        • memory/4652-0-0x0000000000400000-0x0000000000486000-memory.dmp

          Filesize

          536KB

        • memory/4652-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

          Filesize

          132KB

        • memory/4652-2-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/4652-11-0x0000000000400000-0x0000000000486000-memory.dmp

          Filesize

          536KB

        • memory/4652-15-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB