Analysis

  • max time kernel
    139s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2023, 03:58

General

  • Target
    5f3193979695062505450579e47b8de8.exe
  • Size 10.2MB
  • Sample231222-ejx5xscagq
  • SHA256 801e06b6c50ff4e25152082e855d3109ba75a2b6896d1ffa1e9ebf63b4c93cc5
  • 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\5f3193979695062505450579e47b8de8.exe
    "C:\Users\Admin\AppData\Local\Temp\5f3193979695062505450579e47b8de8.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Users\Admin\AppData\Local\Temp\5f3193979695062505450579e47b8de8.exe
      C:\Users\Admin\AppData\Local\Temp\5f3193979695062505450579e47b8de8.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3252

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        5f3193979695062505450579e47b8de8.exe

        • Path C:\Users\Admin\AppData\Local\Temp\5f3193979695062505450579e47b8de8.exe
        • Size 403KB
        • SHA256 440e368160eaa940ab2a52b224551ec8cf3b038317fe201c061bd9f23030067a
        • MD5 SHA1 SHA512 SSDEEP

        memory/400-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

        memory/400-1-0x0000000002100000-0x000000000235A000-memory.dmp

        memory/400-2-0x0000000000400000-0x0000000000605000-memory.dmp

        memory/400-13-0x0000000000400000-0x0000000000605000-memory.dmp

        memory/3252-14-0x0000000000400000-0x0000000000D9E000-memory.dmp

        memory/3252-17-0x0000000002180000-0x00000000023DA000-memory.dmp

        memory/3252-30-0x0000000000400000-0x0000000000D9E000-memory.dmp