Analysis

  • max time kernel
    165s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 03:03

General

  • Target

    259d058aaa27ed76f7b7127fbcfdff7a.exe

  • Size

    512KB

  • MD5

    259d058aaa27ed76f7b7127fbcfdff7a

  • SHA1

    449687785d6a5cab667e853be1ca9e7e658658cc

  • SHA256

    1447436b2481ff206379d7bbece652edb18ab7c6d7f63ec8c2a742ec72cd9e0d

  • SHA512

    30e3981f3072e4a96ed819157f92bc6a1eee0e1912754366bb200598eecb91debc61482c04d400fe4bfcf7e9ccc31e109a0ff165eb1e6c64f2253e2677628196

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4PX:0+h9OY70z+warul3E4PX

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\259d058aaa27ed76f7b7127fbcfdff7a.exe
    "C:\Users\Admin\AppData\Local\Temp\259d058aaa27ed76f7b7127fbcfdff7a.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Users\Admin\AppData\Local\Temp\n228\s228.exe
      "C:\Users\Admin\AppData\Local\Temp\n228\s228.exe" e451865cee77b8e1823b8544RVrYUJcfWw6/1eIomIRqbP1gTTFaH9f2ZLZgHX1IZDI8OiQbgVkvp9toXvRJstRXaSh2Uk1zGkWg2L3lzhHkwg92SL9UJPjB01ZoUCWc7utjEjA4jLZyyqG8GwKVyL4stAYsQGuIKzA2dMDIyLLQ/oiS /v "C:\Users\Admin\AppData\Local\Temp\259d058aaa27ed76f7b7127fbcfdff7a.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1572

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1572-13-0x00000000001F0000-0x0000000000200000-memory.dmp

          Filesize

          64KB

        • memory/1572-12-0x00007FF916ED0000-0x00007FF917871000-memory.dmp

          Filesize

          9.6MB

        • memory/1572-14-0x00007FF916ED0000-0x00007FF917871000-memory.dmp

          Filesize

          9.6MB

        • memory/1572-28-0x00000000009E0000-0x00000000009F2000-memory.dmp

          Filesize

          72KB

        • memory/1572-31-0x000000001BFC0000-0x000000001C48E000-memory.dmp

          Filesize

          4.8MB

        • memory/1572-32-0x00007FF916ED0000-0x00007FF917871000-memory.dmp

          Filesize

          9.6MB

        • memory/1572-33-0x000000001C490000-0x000000001C52C000-memory.dmp

          Filesize

          624KB

        • memory/1572-34-0x00000000001F0000-0x0000000000200000-memory.dmp

          Filesize

          64KB

        • memory/1572-35-0x00007FF916ED0000-0x00007FF917871000-memory.dmp

          Filesize

          9.6MB

        • memory/1572-36-0x000000001C610000-0x000000001C672000-memory.dmp

          Filesize

          392KB

        • memory/1572-37-0x00000000001F0000-0x0000000000200000-memory.dmp

          Filesize

          64KB

        • memory/1572-38-0x000000001B210000-0x000000001B218000-memory.dmp

          Filesize

          32KB

        • memory/1572-39-0x00000000001F0000-0x0000000000200000-memory.dmp

          Filesize

          64KB

        • memory/1572-40-0x00000000001F0000-0x0000000000200000-memory.dmp

          Filesize

          64KB

        • memory/1572-41-0x00000000001F0000-0x0000000000200000-memory.dmp

          Filesize

          64KB

        • memory/1572-42-0x00000000001F0000-0x0000000000200000-memory.dmp

          Filesize

          64KB

        • memory/1572-43-0x000000001F780000-0x000000001FC8E000-memory.dmp

          Filesize

          5.1MB

        • memory/1572-44-0x000000001DA60000-0x000000001DB9C000-memory.dmp

          Filesize

          1.2MB

        • memory/1572-46-0x00007FF916ED0000-0x00007FF917871000-memory.dmp

          Filesize

          9.6MB