Analysis

  • max time kernel
    152s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    21/03/2022, 09:00

General

  • Target
    9394c417afa9c6615a4aa929b062f420.exe
  • Size 210KB
  • Sample220321-kyb4wsafh7
  • SHA256 ebbf3b5a2fea9d1313ec35ce127db7dd86a7b6c55c241fcf3d7e2f7b167a7100
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • VKeylogger

    A keylogger first seen in Nov 2020.

  • VKeylogger Payload 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe
    "C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe
      "C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe
        "C:\Users\Admin\AppData\Local\Temp\9394c417afa9c6615a4aa929b062f420.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2384
        • C:\Windows\SysWOW64\explorer.exe
          "C:\Windows\SysWOW64\explorer.exe"
          4⤵
          • Adds Run key to start application
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of FindShellTrayWindow
          PID:2012

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1708-130-0x0000000077210000-0x00000000773B3000-memory.dmp

        memory/1708-131-0x0000000000780000-0x00000000007B7000-memory.dmp

        memory/1708-133-0x0000000077210000-0x00000000773B3000-memory.dmp

        memory/2012-138-0x00000000010F0000-0x00000000010FF000-memory.dmp

        memory/2132-132-0x0000000077210000-0x00000000773B3000-memory.dmp

        memory/2132-135-0x0000000000780000-0x00000000007B7000-memory.dmp

        memory/2132-137-0x0000000077210000-0x00000000773B3000-memory.dmp

        memory/2384-134-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2384-136-0x0000000000400000-0x000000000040F000-memory.dmp