Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 02:27

General

  • Target
    Новая папка/Xenos64.exe
  • Size 1.1MB
  • Sample240204-cxt93shgcl
  • SHA256 e76c38ad723e6a8e433c8e155396c2b469e69ca505b7cbc4a0ba34aca7981dfc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Новая папка\Xenos64.exe
    "C:\Users\Admin\AppData\Local\Temp\Новая папка\Xenos64.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\Xenos64.exe
      "C:\Users\Admin\AppData\Local\Temp\Xenos64.exe"
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Users\Admin\AppData\Local\Temp\NVIDIA Container.exe
      "C:\Users\Admin\AppData\Local\Temp\NVIDIA Container.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3120

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        NVIDIA Container.exe

        • Path C:\Users\Admin\AppData\Local\Temp\NVIDIA Container.exe
        • Size 202KB
        • SHA256 f64301d34383f81645e95b8c97be0dc8deb9653c09597d463269977f99ff10d2
        • MD5 SHA1 SHA512 SSDEEP

        Xenos64.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Xenos64.exe
        • Size 440KB
        • SHA256 b6d301ec02f0a06173fe7fef74f466edd310dc981c108336086cfb8e0fd49083
        • MD5 SHA1 SHA512 SSDEEP

        Xenos64.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Xenos64.exe
        • Size 1019KB
        • SHA256 4d2f6d7d5fa0d84f8b067af66f4ad26727b726d751dad65dd1e5301041c3cdc5
        • MD5 SHA1 SHA512 SSDEEP

        Xenos64.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Xenos64.exe
        • Size 685KB
        • SHA256 42f7ae09479f44438e9bee7480b099d29f2264c88dd95db41001eecdc835b3b4
        • MD5 SHA1 SHA512 SSDEEP

        memory/2736-39-0x0000000000050000-0x0000000000150000-memory.dmp

        memory/2736-31-0x0000000000050000-0x0000000000150000-memory.dmp

        memory/3120-33-0x00000000754F0000-0x0000000075AA1000-memory.dmp

        memory/3120-34-0x00000000754F0000-0x0000000075AA1000-memory.dmp

        memory/3120-36-0x0000000001270000-0x0000000001280000-memory.dmp

        memory/3120-32-0x0000000001270000-0x0000000001280000-memory.dmp

        memory/3120-40-0x0000000001270000-0x0000000001280000-memory.dmp

        memory/3120-41-0x00000000754F0000-0x0000000075AA1000-memory.dmp

        memory/3120-43-0x00000000754F0000-0x0000000075AA1000-memory.dmp