Analysis

  • max time kernel
    112s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    07/11/2021, 14:23

General

  • Target
    ce81eed854cece7bf84332694f26943f.exe
  • Size 715KB
  • Sample211107-rp47msada6
  • SHA256 2fc5d385b3ec6a3d5fe5c90bbc26105d8f9387597bb1705bf042451b25da4fbb
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce81eed854cece7bf84332694f26943f.exe
    "C:\Users\Admin\AppData\Local\Temp\ce81eed854cece7bf84332694f26943f.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Users\Admin\AppData\Local\YTS\SJPT\MANAGER\SJPTMANAGERLauncher.exe
      "C:\Users\Admin\AppData\Local\YTS\SJPT\MANAGER\SJPTMANAGERLauncher.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3496
      • C:\Users\Admin\AppData\Local\YTS\SJPT\MANAGER\SJPTMANAGER.exe
        "C:\Users\Admin\AppData\Local\YTS\SJPT\MANAGER\SJPTMANAGER.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3872

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2676-118-0x0000000002A40000-0x0000000002A41000-memory.dmp

        memory/3496-127-0x0000000001710000-0x0000000001711000-memory.dmp

        memory/3496-128-0x0000000001711000-0x0000000001712000-memory.dmp

        memory/3496-129-0x0000000001714000-0x0000000001716000-memory.dmp

        memory/3872-134-0x0000000002700000-0x0000000002701000-memory.dmp

        memory/3872-135-0x0000000002701000-0x0000000002702000-memory.dmp

        memory/3872-136-0x0000000002704000-0x0000000002706000-memory.dmp