Analysis

  • max time kernel
    158s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2024, 01:01

General

  • Target
    4a3c9526cce4175af2b0564a1f5af12c.exe
  • Size 133KB
  • Sample240108-bdgdfahdep
  • SHA256 db671c53ab8a64f891e1907d8478c43827cf57c39dc5ccac09aae50d0e141ada
  • 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\4a3c9526cce4175af2b0564a1f5af12c.exe
    "C:\Users\Admin\AppData\Local\Temp\4a3c9526cce4175af2b0564a1f5af12c.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\4a3c9526cce4175af2b0564a1f5af12c.exe
      C:\Users\Admin\AppData\Local\Temp\4a3c9526cce4175af2b0564a1f5af12c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:412

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        4a3c9526cce4175af2b0564a1f5af12c.exe

        • Path C:\Users\Admin\AppData\Local\Temp\4a3c9526cce4175af2b0564a1f5af12c.exe
        • Size 133KB
        • SHA256 9d8ffd898527d26019b56e52e68e6524cd21483ff681c1795b7238281e31672b
        • MD5 SHA1 SHA512 SSDEEP

        memory/412-14-0x0000000000400000-0x0000000000486000-memory.dmp

        memory/412-15-0x00000000001A0000-0x00000000001C1000-memory.dmp

        memory/412-16-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/412-22-0x0000000000400000-0x0000000000486000-memory.dmp

        memory/2228-0-0x0000000000400000-0x0000000000486000-memory.dmp

        memory/2228-1-0x00000000000F0000-0x0000000000111000-memory.dmp

        memory/2228-2-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2228-13-0x0000000000400000-0x000000000041F000-memory.dmp