Analysis

  • max time kernel
    152s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/11/2022, 09:02

General

  • Target
    73371a04380683a8c5e28e73f8a74b604441f445ae898bdcd25f364c39b34c15.exe
  • Size 408KB
  • Sample221126-kzfhpsff65
  • SHA256 73371a04380683a8c5e28e73f8a74b604441f445ae898bdcd25f364c39b34c15
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • NanoCore

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

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73371a04380683a8c5e28e73f8a74b604441f445ae898bdcd25f364c39b34c15.exe
    "C:\Users\Admin\AppData\Local\Temp\73371a04380683a8c5e28e73f8a74b604441f445ae898bdcd25f364c39b34c15.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Users\Admin\AppData\Local\Temp\Binded_32.exe
      "C:\Users\Admin\AppData\Local\Temp\Binded_32.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      PID:4628

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        Binded_32.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Binded_32.exe
        • Size 31KB
        • SHA256 8833df32992ef03eb51c3aec5354be775f15ebdfba9016f1156222b3a7145091
        • MD5 SHA1 SHA512 SSDEEP

        Binded_32.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Binded_32.exe
        • Size 31KB
        • SHA256 8833df32992ef03eb51c3aec5354be775f15ebdfba9016f1156222b3a7145091
        • MD5 SHA1 SHA512 SSDEEP

        memory/1784-132-0x0000000074EC0000-0x0000000075471000-memory.dmp

        memory/1784-140-0x0000000074EC0000-0x0000000075471000-memory.dmp

        memory/4628-136-0x00000000000C0000-0x00000000000D0000-memory.dmp

        memory/4628-137-0x00000000049B0000-0x0000000004A4C000-memory.dmp

        memory/4628-138-0x0000000005000000-0x00000000055A4000-memory.dmp

        memory/4628-139-0x0000000004A50000-0x0000000004AE2000-memory.dmp

        memory/4628-141-0x0000000004930000-0x000000000493A000-memory.dmp

        memory/4628-142-0x0000000004AF0000-0x0000000004B46000-memory.dmp

        memory/4628-143-0x0000000006F60000-0x00000000070E6000-memory.dmp