Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2024, 00:49

General

  • Target
    4a393e2d794cf8859d8ac34b17955a40.exe
  • Size 2.5MB
  • Sample240108-a6m61shdap
  • SHA256 8b8f28a213fa19f690dc0afd3d4f80955517f481f43d46674a907b80da408541
  • MD5 SHA1 SHA512 SSDEEP
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\4a393e2d794cf8859d8ac34b17955a40.exe
    "C:\Users\Admin\AppData\Local\Temp\4a393e2d794cf8859d8ac34b17955a40.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Users\Admin\AppData\Local\Temp\4a393e2d794cf8859d8ac34b17955a40.exe
      C:\Users\Admin\AppData\Local\Temp\4a393e2d794cf8859d8ac34b17955a40.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3092

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        4a393e2d794cf8859d8ac34b17955a40.exe

        • Path C:\Users\Admin\AppData\Local\Temp\4a393e2d794cf8859d8ac34b17955a40.exe
        • Size 438KB
        • SHA256 988983b151c389d0057bccf560c3fa912dd797dbc015555a3bcc93c412a3b9fb
        • MD5 SHA1 SHA512 SSDEEP

        memory/3092-15-0x0000000000400000-0x0000000000CE1000-memory.dmp

        memory/3092-17-0x0000000002070000-0x000000000229E000-memory.dmp

        memory/3092-32-0x0000000000400000-0x0000000000CE1000-memory.dmp

        memory/4936-0-0x0000000000400000-0x0000000000CE1000-memory.dmp

        memory/4936-1-0x0000000002190000-0x00000000023BE000-memory.dmp

        memory/4936-2-0x0000000000400000-0x00000000005EF000-memory.dmp

        memory/4936-13-0x0000000000400000-0x00000000005EF000-memory.dmp